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Artykuły w czasopismach na temat „Overspeed”

Autor: Grafiati

Data publikacji: 7 września 2024

Data aktualizacji: 31 lipca 2025

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1

Sidorov, A. A., V. I. Abolmasov, K. O. Kosolapov, A. V. Kuznetsov, and M. A. Arkhipov. "Multifunctional Overspeed Protection Device." Power Technology and Engineering 55, no. 4 (2021): 494–97. http://dx.doi.org/10.1007/s10749-021-01387-z.

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Liao, Aihua, Xiaodong Chai, and Jian Yang. "A Numerical Simulation of Elastoplastic Contact Analysis of Compressor by Overspeeding." Advances in Mechanical Engineering 6 (January 1, 2014): 176897. http://dx.doi.org/10.1155/2014/176897.

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This study analyzes the stress distribution of 3D elastoplastic contact problems by using the FE parametric quadratic programming (PQP) method derived from a 3D FE model based on parametric variational principle (PVP). We numerically analyze a 24-blade compressor by combining centrifugal loading with interference-fit one. To accelerate computation, calculation is simplified by structural modeling via multisubstructuring, aiming to deal with FE-simulated computer aided design (CAD) conveniently. We then analyze the relationships between the maximum residual stresses of the compressor posterior

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3

Cecília-Gallego, Pau, Adrián Odriozola, José Vicente Beltrán-Garrido, and Jesús Álvarez-Herms. "Acute Effects of Different Overspeed Loads with Motorized Towing System in Young Athletes: A Pilot Study." Biology 11, no. 8 (2022): 1223. http://dx.doi.org/10.3390/biology11081223.

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Overspeed is a training method used to improve running speed, although its effects are not supported by consensual scientific evidence. The overspeed stimulus can be boosted by several methods, including motorized towing devices. Our objectives were to analyze the acute effects of three overspeed loads in young athletes and to select optimal loads for training periods. Eight young athletes (16.73 ± 1.69 years) performed one unassisted sprint and three assisted sprints, and kinematic and biomechanical data were compared. Significant increases (p < 0.05) in step velocity and step length were

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4

Wang, Li, Wentao Sun, Jie Zhao, and Dichen Liu. "A Speed-Governing System Model with Over-Frequency Protection for Nuclear Power Generating Units." Energies 13, no. 1 (2019): 173. http://dx.doi.org/10.3390/en13010173.

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Overspeed is more likely to occur in the process of load rejection or large disturbances for nuclear steam turbines due to the large parameter range and low steam parameters, as well as the power of the low-pressure cylinder accounting for a high proportion of the total power. It is of great significance to study the overspeed characteristics of nuclear power plants (NPPs) to ensure the safe and stable operation of the unit and power grid. According to the characteristics of NPPs, the overspeed protection model and the super-acceleration protection model were established, which were added to t

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5

Stien, Nicolay, Morten Strate, Vidar Andersen, and Atle Hole Saeterbakken. "Effects of Overspeed or Overload Plyometric Training on Jump Height and Lifting Velocity." Sports Medicine International Open 4, no. 02 (2020): E32—E38. http://dx.doi.org/10.1055/a-1116-0749.

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AbstractThe aim of this study was to examine the effects of overspeed or overload plyometric training on jump height and lifting velocity in resistance trained females without plyometric training experience. Fifty-six participants (age: 21.2±1.7 years; body mass: 65.1±8.2 kg; height: 168.0±5.9 cm) were randomly allocated to either an overspeed (n=18), overload (n=18), or passive control (n=16) group. The two training groups completed 18.7±1.7 sessions consisting of three different plyometric exercises with overspeed or overload over eight weeks. Apart from the external loading, the two trainin

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6

Jiang, Haicheng, Decheng Wang, Peng Cheng, and Chenxi Shao. "Dynamics Analysis of a Double-Plunger-Type Turbine Overspeed Protection Mechanism." Applied Sciences 13, no. 21 (2023): 11995. http://dx.doi.org/10.3390/app132111995.

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A double-plunger type overspeed protection mechanism has excellent performance in turbine overspeed protection, but the complicated operating principle thereof makes long-term use difficult. In this study, a dynamic model is established to explain the relationship between the motion state and the force situation. Through the analysis of the dynamic model, the specific process of the linked plunger for achieving overspeed protection with tripping action is determined, and the motion law of the inner and outer plungers is clarified. Additionally, the complete solution method and calculation proc

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7

Eryilmaz, I., L. Pawsey, and V. Pachidis. "Multidisciplinary methodology for turbine overspeed analysis." Aeronautical Journal 122, no. 1257 (2018): 1711–33. http://dx.doi.org/10.1017/aer.2018.100.

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ABSTRACTIn this paper, an integrated approach to turbine overspeed analysis is presented, taking into account the secondary air system dynamics and mechanical friction in a turbine assembly following an unlocated high-pressure shaft failure. The axial load acting on the rotating turbine assembly is a governing parameter in terms of overspeed protection since it governs the level of mechanical friction which acts against the turbine acceleration due to gas torque. The axial load is dependent on both the force coming from secondary air system cavities surrounding the disc and the force on the ro

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8

Kirke, Brian K., and Benoit Paillard. "Predicted and measured performance of a vertical axis wind turbine with passive variable pitch compared to fixed pitch." Wind Engineering 41, no. 1 (2016): 74–90. http://dx.doi.org/10.1177/0309524x16677884.

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The performance of a 5-m diameter Darrieus vertical axis wind turbine was predicted using both a double multiple streamtube model and a two-dimensional unsteady Reynolds-averaged Navier–Stokes computational fluid dynamics simulation with constant rotational speed for a series of operational points. The actual performance was measured in both fixed and variable pitch modes. The aims were (1) to compare starting torque and peak efficiency in fixed and variable pitch modes and (2) to test an overspeed control mechanism. Starting torque was approximately three times higher in variable pitch mode a

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9

Moinuddin, Md Khaja. "Automatic Vehicle Overspeed Detection and Recognition." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 914–23. http://dx.doi.org/10.22214/ijraset.2021.36501.

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Vehiсle speed detection is аn imроrtаnt раrt оf trаffiс mаnаgement system. It рlаys аn imроrtаnt rоle in trасking systems, аutоmаtiс videо surveillаnсe аnd аlsо tо аvоid соllisiоn. This рарer рrороses а methоd tо estimаte the sрeed оf vehiсles оn the highwаys аnd сity аreаs. The рrороsed methоd саn be effeсtively imрlemented tо соntrоl the оver sрeed vehiсles аnd tо fоund guilty in leаding tо trаffiс ассidents. Eасh vehiсle in the videо reсоrded by the саmerа is identified. А bоunding bоx is сreаted оn the identified vehiсle аnd its сentrоid сооrdinаtes аre mаrked. The аnаlysis оf sрeed is dоn

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10

INOUE, Shinsuke, Hidemitsu NAYA, Tatsushi YABUUCHI, Naoki TAKAYAMA, and Yuki SAITO. "Study of Electronizing Overspeed Detection for Elevator." Proceedings of the Transportation and Logistics Conference 2016.25 (2016): 1207. http://dx.doi.org/10.1299/jsmetld.2016.25.1207.

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11

Zheng, Wei, Yongpan Zhao, Yiyong Weng, Xing Duan, and Haibin Jin. "Experiments on a crane overspeed protection device." IOP Conference Series: Materials Science and Engineering 612 (October 19, 2019): 032074. http://dx.doi.org/10.1088/1757-899x/612/3/032074.

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12

Ebben, William P. "The Optimal Downhill Slope for Acute Overspeed Running." International Journal of Sports Physiology and Performance 3, no. 1 (2008): 88–93. http://dx.doi.org/10.1123/ijspp.3.1.88.

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Purpose:This study evaluated a variety of downhill slopes in an effort to determine the optimal slope for overspeed running.Methods:Thirteen NCAA Division III college athletes who participated in soccer, track, and football ran 40-yd (36.6-m) sprints, on downhill slopes of 2.1°, 3.3°, 4.7°, 5.8°, and 6.9° in random order. All sprints were timed using the Brower Timing System Speedtrap II. Data were analyzed with SSPS 15.0. A 1-way repeated-measures analysis of variance revealed significant main effects for the test slopes (P = .000). Bonferroni-adjusted pairwise comparisons determined that the

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13

Alexander, Marion J. L., and Robert Majdell. "The effect of overspeed training on sprinting speed." Journal of Biomechanics 22, no. 10 (1989): 979. http://dx.doi.org/10.1016/0021-9290(89)90099-7.

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14

Punith, B. Kotagi, Kumar N. Punith, Madakari Parishwanath, V. H. Omkar, and Vishwanath. "Overspeed Detection using Image Processing for Indian Highways." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 5 (2020): 1202–7. https://doi.org/10.35940/ijeat.E1123.069520.

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Over speeding of vehicles is the major cause of accidents in recent times. Monitoring of such over speeding vehicles especially on highways is of prime importance. Many manual methods are being used to detect the over speeding vehicles by traffic control team. However, these methods require lot of man power and continuous monitoring by traffic personnel. In this study, an attempt is made to develop an automatic speed monitoring system, which provides a simple way to monitoring speeds of all the vehicles from a centralized control room. This system calculates the instantaneous speed of vehicle

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15

N, Mrs Priya, G. Sai Mani Kumar, B. Aravind Kumar, M. Vinay Kumar Reddy, and B. Sree Harsha. "Review Paper on E-Traffic Police IoT Based Auto-Detection of Traffic Rule Violation." International Journal of Innovative Technology and Exploring Engineering 11, no. 8 (2022): 1–4. http://dx.doi.org/10.35940/ijitee.g9996.0711822.

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It is known fact that accidents are the major problem that is occurring now a days. Wearing helmets is one of the mandatory rule made by the government. Even after implementing these rules some of the bike riders are avoiding it. Because of this reason, we are seeing the increase of accidents. Also, due to slow reach of treatment accidents occurring at small areas are becoming fatal. current project looks to solve these problems. In this project a message will be sent to the rider that to wear the helmet, triple riding, signal jump, overspeed and also sends a message if driver isn’t in active

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16

Yan, Xiangwu, Linlin Yang, and Tiecheng Li. "The LVRT Control Scheme for PMSG-Based Wind Turbine Generator Based on the Coordinated Control of Rotor Overspeed and Supercapacitor Energy Storage." Energies 14, no. 2 (2021): 518. http://dx.doi.org/10.3390/en14020518.

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With the increasing penetration level of wind turbine generators (WTGs) integrated into the power system, the WTGs are enforced to aid network and fulfill the low voltage ride through (LVRT) requirements during faults. To enhance LVRT capability of permanent magnet synchronous generator (PMSG)-based WTG connected to the grid, this paper presents a novel coordinated control scheme named overspeed-while-storing control for PMSG-based WTG. The proposed control scheme purely regulates the rotor speed to reduce the input power of the machine-side converter (MSC) during slight voltage sags. Contrari

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17

Bai, Baoxue, Zhuang Xiao, Qingyuan Wang, Pengfei Sun, and Xiaoyun Feng. "Multi-Objective Trajectory Optimization for Freight Trains Based on Quadratic Programming." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 11 (2020): 466–77. http://dx.doi.org/10.1177/0361198120937307.

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The overspeed protection, smooth driving, punctuality, and energy efficiency of freight trains largely depend on their trajectory optimization. This paper proposes a multi-objective optimization model, which maximizes the weighted sum of energy efficiency, punctuality, and driving smoothness. Model constraints systematically cover many practical conditions, including varying line resistance, overspeed protection, discrete neutral zones, and nonlinear traction and electric braking characteristics. Electric braking and pneumatic braking are distinguished in the freight train model, and the utili

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18

Mrs., Priya N., Sai Mani Kumar G, Aravind Kumar B, Vinay Kumar Reddy M, and Sree Harsha B. "Review Paper on E-Traffic Police IoT Based Auto-Detection of Traffic Rule Violation." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 11, no. 8 (2022): 1–4. https://doi.org/10.35940/ijitee.G9996.0711822.

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<strong>Abstract</strong>: It is known fact that accidents are the major problem that is occurring now a days. Wearing helmets is one of the mandatory rule made by the government. Even after implementing these rules some of the bike riders are avoiding it. Because of this reason, we are seeing the increase of accidents. Also, due to slow reach of treatment accidents occurring at small areas are becoming fatal. current project looks to solve these problems. In this project a message will be sent to the rider that to wear the helmet, triple riding, signal jump, overspeed and also sends a message

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19

Wen-tao LI, 厉文涛, 汤灏 Hao TANG, and 周健 Jian ZHOU. "Research on Laser Velocimeter for Overspeed Detection on Highways." ACTA PHOTONICA SINICA 49, no. 9 (2020): 912001. http://dx.doi.org/10.3788/gzxb20204909.0912001.

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20

Cenitagoya, A., A. Remirez, M. Cabello, and I. Esnal. "Novel Elevator Overspeed Governor Design and Multibody Dynamic Analysis." Journal of Testing and Evaluation 50, no. 5 (2022): 20210698. http://dx.doi.org/10.1520/jte20210698.

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21

Xun, Jing, Mingliang Chen, Yafei Liu, and Fan Liu. "An Overspeed Protection Mechanism for Virtual Coupling in Railway." IEEE Access 8 (2020): 187400–187410. http://dx.doi.org/10.1109/access.2020.3029147.

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22

Eryilmaz, I., and V. Pachidis. "Turbine thermomechanical modelling during excessive axial movement and overspeed." Aeronautical Journal 123, no. 1260 (2019): 248–64. http://dx.doi.org/10.1017/aer.2018.162.

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ABSTRACTThis manuscript discusses the numerical (finite element) and analytical modelling of structural interactions between gas turbine components in case of excessive axial movement and overspeed. Excessive axial movement, which may occur after a shaft failure, results in contact between rotating and static turbine components under high forces. These forces create friction which can act as a counter torque, potentially retarding the ‘free-rotating’ components. The study is based on a shaft failure scenario of a ‘three-shaft’, high ‘bypass’ ratio, civil ‘large-fan’ engine. Coupled analytical

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23

Alhaq, Habib, Esa Apriaskar, and Djuniadi Djuniadi. "Overspeed Detection Using Arduino Uno-based IR Infrared Sensor." Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro 7, no. 2 (2023): 189. http://dx.doi.org/10.22373/crc.v7i2.16409.

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The goal of this project is to measure the speed of an object as it passes through the sensor being utilized. The tool that will be developed as a result of this project has already been designed in software simulation to ensure that it will work as intended. This device uses two infrared sensors as input signals to be processed in accordance with orders.I will be connected to an Arduino Uno through a middle whiteboard as a communication hub between various parts. The parameter used in this tool is the movement of the object going through the infrared sensor because that is what is measured wh

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24

Tang, Ran, Shuren Wang, Biao Xiao, and Heng Wang. "Troubleshooting and Improvement of Mechanical Overspeed Shutdown of Diesel Generator." Journal of Physics: Conference Series 2187, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1742-6596/2187/1/012036.

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Abstract This paper introduced the components and functions of control components of a ship automatic power station, with an analysis of the control principle of such station. The fault treatment method and troubleshooting process are elaborated based on mechanical overspeed automatic shutdown fault of the generator. Finally, in view of the problem of 4K6 relay, appropriate improvement measures are proposed.

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25

Ikaningsih, Manty Aldilani, and War’an Rosihan. "Penggunaan Styrofoam sebagai Material Bilah Turbin Angin." ROTASI 21, no. 1 (2019): 23. http://dx.doi.org/10.14710/rotasi.21.1.23-29.

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Percobaan pembuatan bilah turbin angin dengan bahan kayu dan styrofoam dilakukan dengan tujuan agar pada kecepatan tertentu bilah dapat rusak. Kerusakan ini dipusatkan pada bagian styrofoam yang memiliki tingkat ketahanan pembebanan di bawah kayu. Kerusakan bilah tersebut nantinya akan melindungi generator agar tidak mengalami overspeed. Pada penelitian ini, desain bilah turbin angin yang digunakan berasal dari lembaga penelitian Lentera Angin Nusantara. Bilah turbin angin yang dibuat adalah tipe taperless, dimana ukuran bilah sama dari pangkal hingga ujung. Modifikasi bilah turbin angin dilak

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26

FUKUDA, Toshiyuki, Tetsuya NAKAYAMA, Yuki NOZAWA, Takashi ABE, and Koichi MIYATA. "Mechanism and Analysis of Tensioning Device for Elevator Overspeed Governor." Proceedings of the Elevator, Escalator and Amusement Rides Conference 2018 (2018): 101. http://dx.doi.org/10.1299/jsmeearc.2018.101.

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Johnson, R. M., J. H. Chow, and M. V. Dillon. "Pelton Turbine Deflector Overspeed Control for a Small Power System." IEEE Transactions on Power Systems 19, no. 2 (2004): 1032–37. http://dx.doi.org/10.1109/tpwrs.2004.825918.

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李, 海祯. "Analysis for Overspeed Problem of Electrombile Based on TRIZ Theory." Mechanical Engineering and Technology 05, no. 03 (2016): 247–52. http://dx.doi.org/10.12677/met.2016.53029.

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Pawsey, Lucas, David John Rajendran, and Vassilios Pachidis. "Characterisation of turbine behaviour for an engine overspeed prediction model." Aerospace Science and Technology 73 (February 2018): 10–18. http://dx.doi.org/10.1016/j.ast.2017.11.037.

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Hure, Nikola, Mario Vašak, Mate Jelavić, and Nedjeljko Perić. "Wind turbine overspeed protection based on polytopic robustly invariant sets." Wind Energy 19, no. 9 (2015): 1713–31. http://dx.doi.org/10.1002/we.1948.

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Y, Rakesh Kumar, and Suma Latha P. "Vehicle Overspeed Detection and Number Plate Extraction Using Raspberry Pi." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 3792–96. http://dx.doi.org/10.22214/ijraset.2023.54195.

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Abstract: The worst possible scenario for a road user is a traffic accident. The majority of fatal incidents are caused by overspeeding. Vehicles travelling faster are more likely to be involved in collisions. In the past, numerous gadgets were employed to catch reckless highway driving. Most of the approaches require human concentration and involve a lot of effort, which is difficult to implement With the help of this project, we hope to create a system for the early identification and warning of reckless driving-related unsafe vehicle driving patterns. The entire implementation requires an I

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32

Wang, Jin, Jie Yan, Yongqian Liu, and Zhicheng Xu. "Inertia Evaluation of Wind Farm Under Overspeed Power Shedding Control." Journal of Physics: Conference Series 2564, no. 1 (2023): 012042. http://dx.doi.org/10.1088/1742-6596/2564/1/012042.

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Abstract As the penetration rate of wind power generation gradually increases in most grids, it is necessary to evaluate wind farms’ inertia to provide inertia information for electric grids and boost grid stability. This paper firstly models the inertia control mode of overspeed power shedding, which can realize the inertia control under the operation of different blade tip speed ratios, so that the wind turbine has a high inertia support capability. Then the energy change process in the inertia control process is analyzed, and the virtual inertia time constant is derived to evaluate a single

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Cai, Enyu, Yunqiang Yan, Lei Dong, and Xiaozhong Liao. "A Control Scheme with the Variable-Speed Pitch System for Wind Turbines during a Zero-Voltage Ride Through." Energies 13, no. 13 (2020): 3344. http://dx.doi.org/10.3390/en13133344.

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Zero-voltage ride through (ZVRT) is the extreme case of low-voltage ride through (LVRT), which represents the optimal grid-connection capability of wind turbines (WTs). Enforcing ZVRT will improve the dynamic performance of WTs and therefore significantly enhance the resiliency of renewable-rich grids. A control scheme that includes a pitch system is an essential control aspect of WTs riding through voltage dips; however, the existing control scheme with a pitch system for LVRT cannot distinguish between a ZVRT status and a power-loss condition, and, consequently, does not meet the ZVRT requir

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Hodson, H. P., and J. S. Addison. "Wake–Boundary Layer Interactions in an Axial Flow Turbine Rotor at Off-Design Conditions." Journal of Turbomachinery 111, no. 2 (1989): 181–92. http://dx.doi.org/10.1115/1.3262254.

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A series of experimental investigations has been undertaken in a single-stage low-speed turbine. The measurements involved rotor blade surface flow visualization, surface-mounted hot-film anemometry, and exit pitot traverses. The effects of varying the flow coefficient and Reynolds number upon the performance of the rotor blade at midspan are described. At the design flow coefficient (φ = 0.495), the rotor pressure surface flow may be regarded as laminar, while on the suction surface, laminar flow gives way to unsteady stator wake-induced transition and then to turbulent flow. Over the range o

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Zhou, Chuangxin, Shengfeng Zhao, and Xingen Lu. "Flow Mechanism of a New Concept Transonic Tandem Fan Stage under the Design and Off-Design Conditions." Aerospace 9, no. 11 (2022): 686. http://dx.doi.org/10.3390/aerospace9110686.

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A detailed numerical simulation of a transonic tandem fan stage was conducted, and the change rule of the flow structure inside the fan stage under the design and off-design conditions was discussed to determine the internal flow mechanisms. The results demonstrate that the total pressure ratio of the fan stage steadily increases with the rotating speed, exhibiting an approximately quadratic growth rate. The peak efficiency reaches the maximum at 80% design speed and rapidly declines under the overspeed condition. Furthermore, the peak efficiency point for different rotating speeds was investi

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Zhong, Ming En, Han Chi Hong, and Jian Jin Cai. "Study on Changes of Vehicle Driving Behavior Characteristics for Alcohol Used Drivers." Advanced Materials Research 1030-1032 (September 2014): 2115–20. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.2115.

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Drunk driving is proved to be dangerous for traffic transportation safety. However, there are still no specific conclusions about what changes do drinking make to each kind of driving behaviors. This paper set out a drunk states induce program and a simulated driving experiment to measure the data about driving speed, overspeed driving probability, brake frequency, probability of deceleration for avoidance and probability of running red lights when the drivers were in different degree of drunk states. Results showed that driving speed increases significantly only in state of heavy drunk while

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Hu, Yunxuan. "Research on Frequency Regulation Technology for Wind Power Generation." MATEC Web of Conferences 404 (2024): 02010. http://dx.doi.org/10.1051/matecconf/202440402010.

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With the development of industrial technology, traditional energy sources are facing serious challenges, wind energy has become an alternative energy source, and its development prospects as a renewable energy source with cost-effectiveness close to traditional energy sources. However, nowadays, the enhancement of wind power FM technology is a key issue in the wind power generation system that needs to be solved urgently. This paper describes the urgency of the development of FM technology, and on this basis lists the current status of research on FM technology for wind turbine systems. The ad

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Huang, Shaokang, Jie Li, Zichun Yi, Haotian Zheng, Kaining Huang, and Lei Jing. "SEH based independent APU overspeed protection circuit and its bit design." IET Conference Proceedings 2024, no. 13 (2025): 2441–47. https://doi.org/10.1049/icp.2024.3243.

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McMahon, Niall M., Patrick Rogers, Raymond Byrne, Paul MacArtain, and Lawrence D. Staudt. "Technical Note: Blade Integrated Overspeed Protection for Small Turbines — Experimental Observations." Wind Engineering 38, no. 1 (2014): 117–20. http://dx.doi.org/10.1260/0309-524x.38.1.117.

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Hejzlar, Pavel, Olga Ubra, and Jaroslav Ambroz. "A computer program for transient analysis of steam turbine generator overspeed." Nuclear Engineering and Design 144, no. 3 (1993): 469–85. http://dx.doi.org/10.1016/0029-5493(93)90043-9.

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GOJANOVIC, BORIS, REBECCA SHULTZ, FRANCOIS FEIHL, and GORDON MATHESON. "Overspeed HIIT in Lower-Body Positive Pressure Treadmill Improves Running Performance." Medicine & Science in Sports & Exercise 47, no. 12 (2015): 2571–78. http://dx.doi.org/10.1249/mss.0000000000000707.

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Wang, Xin, and Rui Ying Zhao. "A Reverse Driving Control Method for Hydrostatic Mobile Machinery." Applied Mechanics and Materials 135-136 (October 2011): 140–45. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.140.

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A reverse driving control method for one type of hydrostatic mobile machinery is devised in this paper. Based on the analysis of dynamics of stopping process, the relationship between engine speed and pump displacement is established. To restrict the peak value of engine overspeed within the region of the allowable value, an offline parameter determination approach complied to the requirements of average stopping deceleration is developed. The online control method using the selected parameter is presented. A flow diagram is given to illustrate the control method.

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Ma, Shi Jun, Hao Wang, Jian She Tian, and Li Meng. "Research on Analysis and Control Strategy of High Frequency Phenomenon in an Isolated Power Grid." Advanced Materials Research 694-697 (May 2013): 2073–79. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.2073.

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An operation and control simulation platform for isolated power grid are set up, which is based on the detailed models of the boiler, turbine, Coordinated Control System (CCS), Digital Electric-hydraulic Control system (DEH), Overspeed Protection Controller (OPC) and so on. By means of simulation, the accuracy of this platform is verified and the cause leading to high frequency of the isolated power grid is proposed..In addition, the control strategy for high frequency of isolated power grid based on wide area measurement data is proposed.

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Mazur, Robert E., and Guy Ankerl. "Urbanization Overspeed in Tropical Africa 1970-2000: Facts, Social Problems, and Policy." Contemporary Sociology 17, no. 3 (1988): 354. http://dx.doi.org/10.2307/2069649.

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Ma, Mengdi, Dasheng Wei, Yanrong Wang, Di Li, and Hui Zhang. "Strength Evaluation and Failure Analysis of the Vortex Reducer under Overspeed Condition." Aerospace 8, no. 12 (2021): 394. http://dx.doi.org/10.3390/aerospace8120394.

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Rotating parts of aeroengines need to have a high speed margin according to the civil aviation airworthiness regulations. Previous studies on burst speed are based on mechanical properties of standard specimens. In this paper, a new method for predicting burst speed by means of a tensile test of a simulative specimen is proposed, and the predicted results are compared with the traditional method. The results show that the stress gradient of the designed simulative specimen and the assessment location of vortex reducer are in good agreement, which indicates that they have similar stress charact

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Chen, Hao, Hui-Jun Tan, Qi-Fan Zhang, and Yue Zhang. "Throttling Process and Buzz Mechanism of a Supersonic Inlet at Overspeed Mode." AIAA Journal 56, no. 5 (2018): 1953–64. http://dx.doi.org/10.2514/1.j056674.

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Yonggyun Shin, Ryu Jun Beom, and Hahn,Doug-Woong. "A Prediction of Overspeed Driving on the Road with Driving Anger Scale." Korean Journal of Health Psychology 14, no. 1 (2009): 159–73. http://dx.doi.org/10.17315/kjhp.2009.14.1.010.

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Appell, Bo, Harald Hoffeld, and Achim Menne. "New method for the protection of gas turbines against overload and overspeed." Technology, Law and Insurance 4, no. 1-2 (1999): 121–25. http://dx.doi.org/10.1080/135993799349216.

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Nozhnitsky, Y. A., and A. N. Servetnik. "Prevention of Hazardous Failure of the Turbine Rotor Due to Its Overspeed." IOP Conference Series: Materials Science and Engineering 449 (November 29, 2018): 012025. http://dx.doi.org/10.1088/1757-899x/449/1/012025.

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Macaulay, M. R., J. R. Keener, and R. Rothenberger. "EFFECT OF OVERSPEED HARNESS SUPPORTED TREADMILL TRAINING ON RUNNING ECONOMY AND PERFORMANCE." Medicine & Science in Sports & Exercise 27, Supplement (1995): S23. http://dx.doi.org/10.1249/00005768-199505001-00136.

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