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Статті в журналах з теми "Current load"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 липня 2025

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1

Ullah, Ibrar, Irshad Hussain, Khalid Rehman, Piotr Wróblewski, Wojciech Lewicki, and Balasubramanian Prabhu Kavin. "Exploiting the Moth–Flame Optimization Algorithm for Optimal Load Management of the University Campus: A Viable Approach in the Academia Sector." Energies 15, no. 10 (2022): 3741. http://dx.doi.org/10.3390/en15103741.

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Unbalanced load condition is one of the major issues of all commercial, industrial and residential sectors. Unbalanced load means that, when different loads are distributed on a three-phase four-wire system, unequal currents pass through the three phases. Due to it, a heavy current flows in the neutral wire, which not only adds the losses, but also puts constraints on three phases’ loads. In this paper, we have presented a practical approach for load balancing. First, we have considered the existing three-phase load system where the supply is a three-phase unbalanced supply. Before balancing t

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2

Wu, Sheng, and Kwok L. Lo. "Non-Intrusive Monitoring Algorithm for Resident Loads with Similar Electrical Characteristic." Processes 8, no. 11 (2020): 1385. http://dx.doi.org/10.3390/pr8111385.

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Non-intrusive load monitoring is a vital part of an overall load management scheme. One major disadvantage of existing non-intrusive load monitoring methods is the difficulty to accurately identify loads with similar electrical characteristics. To overcome the various switching probability of loads with similar characteristics in a specific time period, a new non-intrusive load monitoring method is proposed in this paper which will modify monitoring results based on load switching probability distribution curve. Firstly, according to the addition theorem of load working currents, the complex c

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3

Et. al., Venkatesh E. ,. "Current Harmonics Reduction In Microgrids Using Dual Interfacing Converters." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (2021): 1647–54. http://dx.doi.org/10.17762/turcomat.v12i2.1450.

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The Growing Installation of Distributed Generation (DG) units in low voltage conveyance frameworks has promoted the idea of nonlinear load symphonious current remuneration utilizing multi-utilitarian DG interfacing converters. In appropriation frameworks, the load has been an unexpected increment or diminishes and it resembles as nonlinear loads so the load draw non-sinusoidal flows from the AC mains and causes the load sounds and responsive power, and over the top impartial flows that give contamination in power frameworks. It is investigated in this paper that the pay of neighborhood load sy

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4

Shurupov, Alexei, Alexander Kozlov, Mikhail Shurupov, et al. "Pulse-Current Sources for Plasma Accelerators." Energies 11, no. 11 (2018): 3057. http://dx.doi.org/10.3390/en11113057.

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The pulse source for plasma-accelerators supply operates under the conditions of nonlinear growth of load inductance, which complicates the matching of the source and the load. This article presents experimental studies of the use of both traditional pulse-energy sources based on capacitive storage and alternative ones based on explosive magnetic generators (EMG). It is shown that the EMG with the special device of the current-pulse formation more effectively matches with such a plasma load as the pulse plasma-accelerator (PPA). This device allows a wide range to manage the current-pulse forma

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5

Amit, Rai*. "COLD LOAD PICK-UP FOR AIR-CONDITIONERS." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 4, no. 7 (2017): 137–42. https://doi.org/10.5281/zenodo.835419.

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Cold load pickup (CLPU) is the well-known problem defined as excessive inrush current drawn by loads when the distribution circuits are re-energized after extended outages. During extreme weather conditions, these currents can be high enough to appear as faults or overload. This phenomenon is referred to as cold load pickup because the power supply has been unavailable for a period of time so that the load has reached a “cold” state before being re-energized. It is seen that effect of cold load pickup is more on thermostatic load (refrigerators, air-conditioners, room heaters etc). This paper

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6

Zhuikov, V. J., I. V. Verbytskyi, and A. G. Kyselova. "REACTIVE POWER COMPENSATION APPROACH WITH DYNAMIC MODE OF LOAD CURRENT." Tekhnichna Elektrodynamika 2018, no. 4 (2018): 47–52. http://dx.doi.org/10.15407/techned2018.04.047.

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7

Bendig, M., M. Ksoll, A. Kalter, M. Schaak, K. Ermeler, and A. Schnettler. "Synthetic Testing of Load Current Interruption in Medium Voltage Load Break Switches." PLASMA PHYSICS AND TECHNOLOGY 4, no. 3 (2017): 241–44. http://dx.doi.org/10.14311/ppt.2017.3.241.

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To conduct the mainly active load current test duty according to IEC 62271-103, a directly powered test circuit and therefore a medium voltage connection or a power generator is needed. A newly developed synthetic test circuit allows to replicate the current as well as the full transient recovery voltage (TRV) and the power frequent recovery voltage (RV) of the direct test circuit up to its crest value. It is dimensioned for voltage classes up to 52 kV and can be adapted to test currents between 630 A and 1250 A. The test circuit allows a detailed investigation of load break switches without c

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8

Ildarabadi, Rahim, Mohammad Hasan Nikkhah, Hossein Lotfi, Mahmoud Zadehbagheri, and Tole Sutikno. "Ternary genetic algorithm for load dynamic balancing in low voltage three-phase 400 V networks." International Journal of Applied Power Engineering (IJAPE) 12, no. 4 (2023): 441–50. https://doi.org/10.11591/ijape.v12.i4.pp441-450.

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In three-phase low voltage networks, the random behavior of single-phase loads and also their placement in different parts of single-phase feeders, leads to load imbalance in these networks. Unbalanced load causes losses and voltage drop in three-phase feeders. In this paper, using a different proposed approach based on genetic algorithm, N loads are spread over the grid phases so that the minimum current difference between the phases is formed and the ground current approaches zero. The proposed method is compared with the random load distribution method and the results are analyzed. Among th

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9

Ahmed, Eman Farag, EL-Sayed Soliman A. Said, Hala M. Abdel Mageed, and Abdelhady Abdelazim Ammar. "A novel interactive technique for load current harmonic reduction for any randomly utilized household equipment." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 4 (2022): 2159. http://dx.doi.org/10.11591/ijpeds.v13.i4.pp2159-2171.

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Sustaining a stable level of power quality in the localized network is a growing challenge due to the increased use of power electronics. This paper proposes a novel interactive technique that reads the load current according to the connected loads. Whenever equipment is started running, the system is immediately read the distorted current for three cycles. The fundamental current can be estimated according to the system acquired readings. This system subtracts this estimated fundamental current from the sensor current reader to extract the total harmonic currents. According to the total harmo

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10

Eman, Farag Ahmed, Soliman A. Said EL-Sayed, M. Abdel Mageed Hala, and M. Abdel Mageed Hala. "A novel interactive technique for load current harmonic reduction for any randomly utilized household equipment." International Journal of Power Electronics and Drive Systems 13, no. 4 (2022): 2159~2171. https://doi.org/10.11591/ijpeds.v13.i4.pp2159-2171.

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Анотація:

Sustaining a stable level of power quality in the localized network is a growing challenge due to the increased use of power electronics. This paper proposes a novel interactive technique that reads the load current according to the connected loads. Whenever equipment is started running, the system is immediately read the distorted current for three cycles. The fundamental current can be estimated according to the system acquired readings. This system subtracts this estimated fundamental current from the sensor current reader to extract the total harmonic currents. According to the total harmo

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11

Gauthier, Nimi Malonda, Lidinga Mobonda Flory, Nkouka Moukengue Lionel, et al. "Method of Calculation the Load Rates and the Unbalance Rates of the Current of the Phases in the MV/LV Network of the Sales and Service Center Lemba in Kinshasa." International Journal of Current Science Research and Review 06, no. 04 (2023): 2393–402. https://doi.org/10.5281/zenodo.7824079.

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<strong>ABSTRAC</strong>T<strong>:</strong> In this article, we discuss the calculation of load and current imbalance rates, which is a steady-state study of the distribution network that consists of determining, for each subscriber station, the operating rate of the installed power transformer and the current difference between two phases of the MV/LV distribution station. Knowing the allowable currents of each low-voltage phase of the subscriber substations from the busbars as well as the rated current of the substations transformer, we can calculate, secondly, the average currents and load

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12

Sadeghi, J. M. "Experimental evaluation of accuracy of current practices in analysis and design of railway track sleepers." Canadian Journal of Civil Engineering 35, no. 9 (2008): 881–93. http://dx.doi.org/10.1139/l08-026.

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This research investigates the accuracy of the assumptions made in the current method of analysis and design of railway track sleepers. This study consists of a comprehensive field investigation into the response of sleepers in a railway track system to static and dynamic loads. In the experiments, several load cells (load gauges) are installed under a rail seat and beneath a B70 concrete sleeper for the purpose of monitoring the response of the sleeper to vertical loads. The dynamic coefficients factor, the ratio of the rail seat load to the wheel load and the pressures between the sleeper an

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13

Salamov, O., and F. Aliyev. "THEORETICAL AND PRACTICAL ASPECTS OF CONSTRUCTION OF THE VOLT-CURRENT CHARACTERISTICS OF A PHOTOELECTRIC CURRENT SOURCE." Scientific heritage, no. 109 (March 20, 2023): 71–77. https://doi.org/10.5281/zenodo.7759104.

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The paper presents a method for calculating the current-voltage characteristic (CVC) of a solar photovoltaic current source (PСS). The influence of external factors, such as the temperature of the environment and surfaces of photocells (PС), illumination conditions, contamination of their surface, etc., is considered. on the output parameters, especially on the values of the short-circuit current and load current, at the point of maximum СVС power, no-load voltage and load voltage at the point of СVС maximum power, as well as the maximum PCS power allocated at the optimal load. The equivalent

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14

Poutanen, Tuomo Tapani, Sampsa Pursiainen, Jari Mäkinen, and Tim Länsivaara. "Load combination of permanent and variable loads." Rakenteiden Mekaniikka 51, no. 1 (2018): 1–9. http://dx.doi.org/10.23998/rm.65175.

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This paper concentrates on the combination of permanent and variable loads in the structural probability theory and its implementation in codes. In the current codes, the permanent and variable loads are sometimes combined independently, and sometimes they are combined dependently. We propose that, for the safest outcome in the standardized load estimation, the actual permanent and variable loads should be combined dependently without any load reduction. The load reduction arising from the independent combination leads to an unsafe design. For example, when the permanent and variable loads are

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15

Wang, Shu-qi, Ying Zhang, Yang-yang Xie, Gang Xu, Kun Liu, and Yuan Zheng. "Hydrodynamic Analysis of Horizontal Axis Tidal Current Turbine under the Wave-Current Condition." Journal of Marine Science and Engineering 8, no. 8 (2020): 562. http://dx.doi.org/10.3390/jmse8080562.

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To take advantage of the high tidal current velocity near the free surface, the horizontal axis turbine is installed, which inevitably causes hydrodynamic characteristics to effect the turbine by the waves. In this article, we established a numerical calculation method for the hydrodynamic load of a horizontal axis turbine under wave-current conditions. Based on the numerical calculation results, the hydrodynamic loads were decomposed and the influence rules of wave parameters and blade tip immersion depth on the hydrodynamic load were obtained. The study found the following: (1) the multi-fre

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16

Abdul, Azis, Rizal Muhammad, . Emidiana, et al. "Analysis of Load Imbalance in Tarakan Distribution Transformer of PT PLN (Persero) Sukarami Customer Service Unit." Engineering and Technology Journal 9, no. 05 (2024): 3964–72. https://doi.org/10.5281/zenodo.11174302.

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Load imbalance in an electric power distribution system always occurs and the cause of this imbalance is unbalanced single-phase loads on low voltage network customers. As a result of this load imbalance, a current arises in the neutral of the transformer, which can cause power losses. The aim of the research is to analyse the load imbalance of the Distribution Transformer PC0044, PC0074, PC0088, PC0129, PC1319 on the Tarakan Feeder of PT PLN (Persero) Sukarami Customer Service Unit. The results of the research show that the highest peak load percentage occurs on the PC1319 Distribution Transf

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17

Ravichandran, Durgayandi, and Narayanan Muruganantham. "Effect of harmonics on reduction of unbalance in three-phase four wire composite network." Effect of harmonics on reduction of unbalance in three-phase four wire composite network 30, no. 1 (2023): 24–32. https://doi.org/10.11591/ijeecs.v30.i1.pp24-32.

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The unbalanced current drawn by the composite loads in small-scale industries is mainly due to single-phase loads. Any operation of single-phase loads will cause unbalance of current and produce distortion due to non-linear loads. The neutral current is increased and voltage at the load end is reduced due to an increase in unbalanced linear loads. Industries find it difficult to balance the load and control the neutral current. To overcome the problem, this work aims to add a passive network in different configurations along with shunt active power filter. A set of linear and non-linear loads

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18

Zamzami, Mochamad Ilham, Eka Prasetyono, Dimas Okky Anggriawan, and Mike Yuliana. "Inrush Current Based on Fast Fourier Transform." INTEK: Jurnal Penelitian 8, no. 2 (2021): 114. http://dx.doi.org/10.31963/intek.v8i2.2940.

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Advances in technology have caused the use of electricity to increase rapidly. With advances in technology, this is followed by the use of increasingly efficient electrical components or equipment. This more efficient electrical equipment causes the impedance of the component to be smaller, causing a surge in current when it is turned on. This current surge, if not followed by appropriate safety precautions, will be damage other components. Each load has different waveform characteristics and current transient peaks. For this reason, it is necessary to analyze the transient condition of a load

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19

Patel, Hanuman, Sanjay Kumar Mathur, and Vikram Singh Rajpurohit. "Observer Based Single-Phase Active Current Harmonic Filter for Distributed Industrial Loads." Asian Journal of Electrical Sciences 11, no. 2 (2022): 6–15. http://dx.doi.org/10.51983/ajes-2022.11.2.3363.

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Harmonic currents are introduced into power system as use of nonlinear electrical loads increases. Extra losses are caused by harmonic current stream into effective supply lines. A dynamic power filter engenders harmonic compensating current using a switching inverter. Single-phase current into the harmonic filter connects in parallel to load end and inject current harmonic required by the load feeder to avoid harmonic current in the direction of power system. This report discusses harmonic problem, available harmonic mitigation techniques, basic design of filter, control strategy, design step

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20

Zhang, Kun, Zhaojian Yang, Qingbao Bao, and Jianwen Zhang. "Recognition of Impact Load on Connecting-Shaft Rotor System Based on Motor Current Signal Analysis." Sensors 24, no. 21 (2024): 7008. http://dx.doi.org/10.3390/s24217008.

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Impact loads affect the operational performance and safety life of rolling equipment’s connecting-shaft rotor system, even causing faults and accidents. Therefore, recognizing and investigating impact loads is of great significance. Hence, a load recognition method based on motor current information is proposed in this paper to recognize impact loads on the connecting-shaft rotor system. First, the fast Fourier transform is used to obtain the frequency domain information for the motor’s current response signal from the rotor system load recognition test. Consequently, the required load respons

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21

Kim, Wooho, Yong-Jung Kim, and Hyosung Kim. "Arc Voltage and Current Characteristics in Low-Voltage Direct Current." Energies 11, no. 10 (2018): 2511. http://dx.doi.org/10.3390/en11102511.

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Recently, Low-Voltage DC (direct current) distribution systems have received high lights according to the expansion of DC generations and DC loads such as photovoltaics (PV) generations, electric vehicles (EVs), light emitting diodes (LEDs), computers, DC homes, etc. Low-Voltage DC distribution systems have optimistic perspectives since DC has various good aspects compared to alternating current (AC). However, ensuring safety of human and electric facility in Low-Voltage DC is not easy because of arc generation and difficulty of arc-extinguishing. This paper constructs a low-voltage DC circuit

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22

Durgayandi, Ravichandran, and Muruganantham Narayanan. "Effect of harmonics on reduction of unbalance in three-phase four wire composite network." Indonesian Journal of Electrical Engineering and Computer Science 30, no. 1 (2023): 24. http://dx.doi.org/10.11591/ijeecs.v30.i1.pp24-32.

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Анотація:

The unbalanced current drawn by the composite loads in small-scale industries is mainly due to single-phase loads. Any operation of single-phase loads will cause unbalance of current and produce distortion due to non-linear loads. The neutral current is increased and voltage at the load end is reduced due to an increase in unbalanced linear loads. Industries find it difficult to balance the load and control the neutral current. To overcome the problem, this work aims to add a passive network in different configurations along with shunt active power filter. A set of linear and non-linear loads

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23

Nikhila, V. "Reducing Harmonics in Micro Grid Distribution System Using APF with PI Controller." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 04 (2025): 1–9. https://doi.org/10.55041/ijsrem45278.

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ABSTRACT: In distribution systems, the load has been a sudden increase or decreases and it is like as nonlinear loads so the load draws non-sinusoidal currents from the AC mains and causes the load harmonics and reactive power, and excessive neutral currents that give pollution in power systems. Most pollution problems created in power systems are due to the nonlinear characteristics and fast switching of power electronic devices. Shunt active filter based on current controlled PWM converters are seen as a most viable solution. This paper presents the harmonics and reactive power compensation

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24

Sabat, M. B., N. G. Maltseva, M. Y. Oliinyk, and V. G. Fedishin. "CALCULATION OF CURRENT LOADING OF THREE-PHASE BRIDGE RADIATION IN NON-SUPERMEAL MODES UNDER THE FILTRATION AVAILABILITY." METHODS AND DEVICES OF QUALITY CONTROL, no. 1(42) (June 27, 2019): 65–69. http://dx.doi.org/10.31471/1993-9981-2019-1(42)-65-69.

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The curves of the rectified voltage of the non-ventilated modes of the three-phase bridge rectifier circuit have in their composition a number of non-canonical higher harmonics, which results in significant pulsations of the load current. Hence the problem of choosing the optimal composition of filters in order to prove the load current pulsation coefficient to allowable values. The analysis of the current state of the problem is carried out by studying the latest publications. The analytical expressions and forms of load current curves are obtained based on the results of mathematical m

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25

Igbogidi, O. N., and H. N. Amadi. "Efficient Power Flow on Direct Current Transmission Lines Using the Load and Component Sizing Technique." Journal of Research and Advancement in Electrical Engineering 7, no. 1 (2024): 1–9. https://doi.org/10.5281/zenodo.10617869.

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<em>Due to losses, hazards and cost implications inherent in the use of alternating current systems, the benefits surrounding the use of direct current are so large that it is imperative to explore the technology of direct current, especially on transmission lines. The use of direct current has become so attractive with its attendant benefits and that is the reason a 132kV direct current transmission line from Afam power station to Port Harcourt Mains was proposed. A bipolar direct current link was designed between Afam and Port Harcourt Mains with full utilization of load and component sizing

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26

Xia, Minghe, Fengping Li, Ce Ji, et al. "Current pulse shaping of the load current on PTS." AIP Advances 6, no. 2 (2016): 025319. http://dx.doi.org/10.1063/1.4942816.

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27

Cortes, Patricio, JosÉ Rodriguez, Daniel E. Quevedo, and Cesar Silva. "Predictive Current Control Strategy With Imposed Load Current Spectrum." IEEE Transactions on Power Electronics 23, no. 2 (2008): 612–18. http://dx.doi.org/10.1109/tpel.2007.915605.

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28

Трушляков, Євген Іванович. "МЕТОДОЛОГИЧЕСКИЙ ПОДХОД К ЭНЕРГОСБЕРЕГАЮЩЕМУ ХЛАДОСНАБЖЕНИЮ СИСТЕМ КОНДИЦИОНИРОВАНИЯ ВОЗДУХА АДАПТАЦИЕЙ К ТЕКУЩИМ КЛИМАТИЧЕСКИМ УСЛОВИЯМ". Aerospace technic and technology, № 4 (14 жовтня 2018): 58–62. http://dx.doi.org/10.32620/aktt.2018.4.08.

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Анотація:

The methodological approach was suggested to define a rational heat load of the air conditioning system (ACS) with taking into consideration the current climatic conditions of operation. The proposed approach is based on the hypothesis of sharing the current changeable heat load on the relatively stable share as the basic one for choosing installed (designed) refrigeration capacity of the refrigeration machine, operating with high energy efficiency in nominal or similar modes, and unstable heat load, corresponding to ambient air precooling at changeable current temperatures. To prove the metho

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29

Poutanen, Tuomo, Sampsa Pursiainen, and Tim Länsivaara. "Combination of Permanent and Variable Load Is Dependent." Applied Sciences 11, no. 10 (2021): 4434. http://dx.doi.org/10.3390/app11104434.

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This study concerns the combination of the permanent and the variable loads in the structural design. The Eurocodes are used as a reference. Three new findings are presented: (1) In each physical structure, and in every load pair of the permanent load and the variable load, the maximum variable load is the service time load, the 50-year load, i.e., the high value of the variable load. Therefore, no load reduction should be applied in the combination. (2) The governing hypothesis is the independent load combination (ILC) with random load pairs and random single loads. However, the load pairs ar

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30

Lin, Hsiung-Cheng, Heng-Chuan Zo, and Bo-Rong He. "Advanced Fast Large Current Electronic Breaker Using Integration of Surge Current Suppression and Current Divider Sensing Methods." Journal of Sensors 2019 (January 13, 2019): 1–8. http://dx.doi.org/10.1155/2019/6256735.

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Анотація:

Electronic breakers or fuses are most widely used tools to protect the electric-driven facilities from overload or short circuit. However, they may suffer from two major drawbacks: (1) it normally takes more than 0.1 s to react, resulting in facilities not sufficiently protected, and (2) a higher rating size of breakers or fuses is demanded than expected due to lack of a surge current suppression mechanism. To overcome these problems, this paper proposes a fast large current electronic breaker based on the integration of current divider sensing and surge suppressing methods. The load surge cur

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31

Maizana, Dina, Emi Zurima Bt Ismail, and Nuriziani Hussin. "Harmonic Current Effect on Three Phase 100kVA Transformer Losses under Static Load and Dynamic Load." Applied Mechanics and Materials 679 (October 2014): 261–66. http://dx.doi.org/10.4028/www.scientific.net/amm.679.261.

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This paper describes the harmonic current effect under static and dynamic load on 3 phase 100kVA transformer model. The methodology that used to measure a harmonic current is using power analyzer with different excitation. The experiment is conducted by changing input voltage with different flux density. A waveform can be obtained by using the data collected. 3rdorder of harmonic gives a high impact to the complex waveform. At 0.6 Tesla, 50 Hz, the 3rdorder of harmonic current under static load and dynamic load is 0.00196A and 0.26746A respectively. Therefore, both static and dynamic load were

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32

Singh, Bhim, and Sabha Raj Arya. "Adaptive Control of Four-Leg VSC Based DSTATCOM in Distribution System." International Journal of Emerging Electric Power Systems 15, no. 1 (2014): 93–99. http://dx.doi.org/10.1515/ijeeps-2013-0145.

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Анотація:

Abstract This work discusses an experimental performance of a four-leg Distribution Static Compensator (DSTATCOM) using an adaptive filter based approach. It is used for estimation of reference supply currents through extracting the fundamental active power components of three-phase distorted load currents. This control algorithm is implemented on an assembled DSTATCOM for harmonics elimination, neutral current compensation and load balancing, under nonlinear loads. Experimental results are discussed, and it is noticed that DSTATCOM is effective solution to perform satisfactory performance und

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33

SOLJAN, Zbigniew. "Part 1: Decomposition of the Load’s Current in Three-phase Four-wire Systems Supplied with Asymmetrical Sinusoidal Voltage Following Currents’ Physical Components Theory." AUTOMATYKA, ELEKTRYKA, ZAKLOCENIA 11 (September 30, 2020): 34–42. http://dx.doi.org/10.17274/aez.2020.41.03.

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Анотація:

Electricity receivers in low-voltage networks are mainly single-phase loads, which, when grouped within a given consumer, create a three-phase load. Such a replacement three-phase load works in a four-wire system. Besides, under real conditions, the supply voltage has some amplitude and phase asymmetry. Voltage unbalances, load's imbalances are issues that not simultaneously included in the power equation in four-wire systems. This article eliminates the limitations of electrical engineering in this area by deriving the power equation for three-phase loads supplied with unbalanced voltage.

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34

Shareef, Hussain, Madathodika Asna, Rachid Errouissi, and Achikkulath Prasanthi. "Rule-Based Non-Intrusive Load Monitoring Using Steady-State Current Waveform Features." Sensors 23, no. 15 (2023): 6926. http://dx.doi.org/10.3390/s23156926.

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Анотація:

Monitoring electricity energy usage can help to reduce power consumption considerably. Among load monitoring techniques, non-intrusive load monitoring (NILM) provides a cost-efficient solution to identify individual load consumption details from the aggregate voltage and current measurements. Existing load monitoring techniques often require large datasets or use complex algorithms to obtain acceptable performance. In this paper, a NILM technique using six non-redundant current waveform features with rule-based set theory (CRuST) is proposed. The architecture consists of an event detection sta

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35

Wu, Chi Jui, and Yu Wei Liu. "Reactive Power Compensation for Unbalanced Fluctuating Loads by Using Two-Dimensional Instantaneous Space Vector Approach." Advanced Materials Research 732-733 (August 2013): 1444–49. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.1444.

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Анотація:

To improve the power quality and efficiency on feeding unbalanced loads, this paper proposes a scheme of instantaneous current compensation that can modify the power factor and balance the three-phase currents simultaneously. The method of instantaneous space vectors can compensate the reactive power effectively, but the problems of unbalanced load currents remains. This paper suggests a method that can mitigate the unbalanced load currents by setting the active power as a constant for each cycle. Field measurement data were analyzed. Simulation results confirmed the feasibility of correcting

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36

Shcherbinin, A. G., N. M. Trufanova, and V. G. Savchenko. "Method of determining cable-current load." Russian Electrical Engineering 81, no. 6 (2010): 334–37. http://dx.doi.org/10.3103/s1068371210060118.

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37

Lambert, W. J., M. J. Hill, and R. Ayyanar. "Estimation of Microprocessor Instantaneous Load Current." IEEE Transactions on Advanced Packaging 32, no. 4 (2009): 831–40. http://dx.doi.org/10.1109/tadvp.2009.2022844.

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38

Graf, Paul, Meike Flebbe, Detlef Utzat, Hermann Nienhaus, and Rolf Möller. "Electrometer with sub-attoampere current load." Review of Scientific Instruments 88, no. 8 (2017): 084702. http://dx.doi.org/10.1063/1.4998979.

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39

Bourkas, P. D., E. A. Kayafas, and A. V. MacHias. "Specified current in emergency load switches." IEE Proceedings C Generation, Transmission and Distribution 135, no. 4 (1988): 330. http://dx.doi.org/10.1049/ip-c.1988.0046.

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40

Nagumo, Toshihiro, Hirokazu Ito, and Tsuneyo Sano. "Load current forecasting using statistical analysis." CIRED - Open Access Proceedings Journal 2017, no. 1 (2017): 1274–77. http://dx.doi.org/10.1049/oap-cired.2017.0304.

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41

Rateb, H. Issa, Sarhan Hussein, and K. Al-Abbas Ibrahim. "Optimization of Electric Passenger Elevator." Journal of Scientific and Engineering Research 8, no. 5 (2021): 43–55. https://doi.org/10.5281/zenodo.10590067.

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<strong>Abstract </strong>Electric passenger elevator is a constant load torque machinery which runs under light loads most time of loading diagram cycle. This will affect the performance of drive system to become inefficient. In this paper to improve the energy efficiency of electric elevator drive system, the optimal closed- loop drive system with load torque (passengers’ number) feed-back signal is proposed. The Genetic Algorithm and Direct Torque Control are implemented as combined searching tool for optimal variables; flux, stator voltage and stator current under different values of

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42

Marques Junior, Nelson Kautzner. "Periodization models used in the current sport." MOJ Sports Medicine 4, no. 2 (2020): 27–34. http://dx.doi.org/10.15406/mojsm.2020.04.00090.

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Traditional periodization has some characteristics that are the individualization of the training load, training load response based on biological laws and most of these models have the objective of the athlete archive the peak. The contemporary periodization has the following characteristics: individualized training load with monitoring of the physiological adaptation, training of the specific motor capacities of the modality, use of the evolution time and of the residual training effect for the coach prescribes the session, much attention with technical and tactical training and attention in

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43

Anggriawan, Dimas Okky, Aidin Amsyar, Eka Prasetyono, Endro Wahjono, Indhana Sudiharto, and Anang Tjahjono. "Load Identification Using Harmonic Based on Probabilistic Neural Network." EMITTER International Journal of Engineering Technology 7, no. 1 (2019): 71–82. http://dx.doi.org/10.24003/emitter.v7i1.330.

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Анотація:

Due to increase power quality which are caused by harmonic distortion it could be affected malfunction electrical equipment. Therefore, identification of harmonic loads become important attentionÂ in the power system. According to those problems, this paper proposes a Load Identification using harmonic based on probabilistic neural network (PNN). Harmonic is obtained by experiment using prototype, which it consists of microcontroller and current sensor. Fast Fourier Transform (FFT) method to analyze of current waveform on loads become harmonic load data. PNN is used to identify the type of loa

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44

Abdulkareem, Mokif Obais, and Abdulkareem Mukheef Ali. "Energy saving through load balancing of 3-wire loads." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3857–75. https://doi.org/10.11591/ijece.v13i4.pp3857-3875.

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In this paper, static var compensators (SVCs) and many load compensation techniques are reviewed. A continuously and linearly controlled compensating susceptance is devised from a switched capacitor bank and a switched reactor bank. The switched capacitor bank is built of four binary weighted thyristor switched capacitors, while the switched reactor bank is built of three binary weighted thyristor switched reactors. Although few switched capacitors and reactor are used, their binary weighted values beside their control scheme make them respond as a continuously and linearly controlled reactive

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45

G Chremk Chremk, Faissl, and Hanene Medhaffar. "Substations power quality improvement by flexible alternating current transmission system devices." Indonesian Journal of Electrical Engineering and Computer Science 33, no. 2 (2024): 671. http://dx.doi.org/10.11591/ijeecs.v33.i2.pp671-686.

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Анотація:

<p>The increase in load demand has a negative impact on power system quality, reliability, and stability. Transporting reactive power from the generating side to the distribution side reduces the transmission line’s capacity to deliver active power to loads. In conventional power systems, during faults or sudden loads, the load flow changes and causes extra voltage drop. Reactive power compensation at the load side can improve voltage quality at distribution busbars, but the conventional compensation method doesn’t offer the required flexibility. With the development of the power electro

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46

Chremk, Faissl G. Chremk, and Hanene Medhaffar. "Substations power quality improvement by flexible alternating current transmission system devices." Indonesian Journal of Electrical Engineering and Computer Science 33, no. 2 (2024): 671–86. https://doi.org/10.11591/ijeecs.v33.i2.pp671-686.

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Анотація:

The increase in load demand has a negative impact on power system quality, reliability, and stability. Transporting reactive power from the generating side to the distribution side reduces the transmission line’s capacity to deliver active power to loads. In conventional power systems, during faults or sudden loads, the load flow changes and causes extra voltage drop. Reactive power compensation at the load side can improve voltage quality at distribution busbars, but the conventional compensation method doesn’t offer the required flexibility. With the development of the power elec

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47

Baya, Nurbaya Harun, Titi Andriani, Indra Darmawan, and Masyitah Aulia. "ANALYSIS OF THE INFLUENCE OF NON-LINEAR LOADING CHANGES ON GENERATOR PERFORMANCE ALTERNATING CURRENT (AC) THREE PHASE." Journal Altron; Journal of Electronics, Science & Energy systems 2, no. 02 (2023): 48–59. http://dx.doi.org/10.51401/altron.v2i02.3266.

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Анотація:

used quantitative methods, namely, analytical, experimental methods where researchers used a software PSIM where the loads used are three-phase capacitors, three-phase RC loads, three-phase RL loads and three-phase RLC loads, so that the lowest efficiency results are obtained at three-phase capacitor loads, namely 40%, and the highest efficiency is 98%. , at three-phase RC load the highest efficiency is 95% and the lowest efficiency is 54%, at three-phase RL load the highest efficiency is 92% and the lowest is 30%, while at three-phase RLC load the highest efficiency is 94% and the lowest is 4

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48

Gorantla, Satyanarayana, and Goli Ravi Kumar. "Harmonic Elimination Using STATCOM for SEIG Fed Induction Motor Load." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 3 (2017): 1026. http://dx.doi.org/10.11591/ijpeds.v8.i3.pp1026-1034.

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Анотація:

Non-linear loads connected to distribution system induce harmonics in to source components and the presence of harmonics in source components affects the performance of other sensitive loads connected at the same point. Induction motor load for drive system should be operated with variable frequency and variable voltage for its speed control. To vary the voltage and frequency, induction motor is fed from an inverter. This total drive set-up constitutes non-linear load type and will be the source of harmonics. This paper depicts the suppression of harmonics with STATCOM in distribution system w

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49

Obais, Abdulkareem Mokif, and Ali Abdulkareem Mukheef. "Load current balancing for 4-wire systems using harmonic treated TCR based SVCs." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 3 (2022): 1922. http://dx.doi.org/10.11591/ijpeds.v13.i3.pp1922-1950.

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Анотація:

<p>In this paper, a harmonic-treated thyristor-controlled reactor TCR is presented as a linearized harmonic-free compensating susceptance controllable in inductive and capacitive modes. The harmonic-treated TCR is a traditional TCR conditioned in such a manner that it can respond continuously and linearly to capacitive and inductive reactive current demands without noticeable harmonic association or active power contribution. The conditioned configuration is produced by equipping the TCR with self-harmonic suppressing and filtering circuitries, which guarantee harmonic cancellation with

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50

Obais, Abdulkareem Mokif, and Ali Abdulkareem Mukheef. "Load current balancing for 4-wire systems using harmonic treated TCR based SVCs." International Journal of Power Electronics and Drive Systems 13, no. 3 (2025): 1922–50. https://doi.org/10.11591/ijpeds.v13.i3.pp1922-1950.

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Анотація:

In this paper, a harmonic-treated thyristor-controlled reactor TCR is presented as a linearized harmonic-free compensating susceptance controllable in inductive and capacitive modes. The harmonic-treated TCR is a traditional TCR conditioned in such a manner that it can respond continuously and linearly to capacitive and inductive reactive current demands without noticeable harmonic association or active power contribution. The conditioned configuration is produced by equipping the TCR with self-harmonic suppressing and filtering circuitries, which guarantee harmonic cancellation with minimal n

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