Relevant bibliographies by topics / Synchronous Reference Frame (SRF)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Synchronous Reference Frame (SRF)'

Author: Grafiati
Published: 11 December 2022
Last updated: 12 June 2025

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Journal articles on the topic "Synchronous Reference Frame (SRF)"

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Che, Yanbo, Zhaojing Yin, Shuyan Yu, and Qiang Sun. "Random Harmonic Detection and Compensation Based on Synchronous Reference Frame." Journal of Electrical and Computer Engineering 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/7239267.

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Algorithms for harmonic detection and compensation are important guarantees for an active power filter (APF) to achieve the harmonic control function and directly determine the overall performance. Existing algorithms usually need a large amount of computation, and the compensation effect of specified order harmonic is also limited. DC side capacitor voltage at sudden change of load is affected by the algorithm as well. This paper proposes a new algorithm for harmonic detection and compensation based on synchronous reference frame (SRF), in which a band-pass filter with center frequency of 6kth harmonic is designed in fundamental frequency SRF to extract random harmonic current with two different frequencies of (6k±1)th harmonic in stationary reference frame. This new algorithm can rapidly detect any specified harmonic, and it can adjust the power factor to compensate reactive power. Meanwhile, it has few impacts on DC side capacitor voltage under complicated operating conditions such as sudden change of load. The correctness and effectiveness of this new algorithm are verified by simulation and experiment.
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Izah, Rofiatul, Subiyanto Subiyanto, and Dhidik Prastiyanto. "Improvement of DSOGI PLL Synchronization Algorithm with Filter on Three-Phase Grid-connected Photovoltaic System." Jurnal Elektronika dan Telekomunikasi 18, no. 1 (2018): 35. http://dx.doi.org/10.14203/jet.v18.35-45.

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Synchronous Reference Frame Phase Locked Loop (SRF PLL) has been widely used for synchronization three-phase grid-connected photovoltaic (PV) system. On the grid fault, SRF PLL distorted by negative sequence component and grid harmonic that caused an error in estimating parameter because of ripple and oscillation. This work combined SRF PLL with Dual Second Order Generalized Integrator (DSOGI) and filter to minimize ripple and minimize oscillation in the phase estimation and frequency estimation. DSOGI was used for filtering and obtaining the 90o shifted versions from the vαβ signals. These signals (vαβ) were generated from three phase grid voltage signal using Clarke transform. The vαβ signal was the inputs to the positive-sequence calculator (PSC). The positive-sequence vαβ was transformed to the dq synchronous reference frame and became an input to SRF-PLL to create the estimation frequency. This estimation frequency from SRF PLL was filtered by the low-pass filter to decrease grid harmonic. Moreover, the output of low-pass filter was a frequency adaptive. The performance of DSOGI PLL with filter is compared with DSOGI PLL, SRF PLL, and IEEE standard 1547(TM)-2003. The improvement of DSOGI PLL with filter gave better performances than DSOGI PLL and SRF PLLbecause it minimized ripples and oscillations in the phase and frequency estimations.
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Lee, Jung-Yong, and Younghoon Cho. "Synchronous Reference Frame Repetitive Control of a Single-Phase Three-Level Dual-Buck Photovoltaic Inverter." Electronics 7, no. 10 (2018): 226. http://dx.doi.org/10.3390/electronics7100226.

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This paper proposes a synchronous reference frame (SRF) control strategy for a single-phase, three-level, dual-buck photovoltaic (PV) inverter. The concept of virtual d-q transformation is adapted to the current control of the inverter, and the repetitive controller is implemented in the SRF. With the proposed control strategy, the memory allocation quantity for the repetitive controller is decreased and the capability of the current reference tracking is maximized. Thus, the proposed method significantly reduces the total harmonic distortion (THD) of the output current in both the continuous conduction mode (CCM) and the discontinuous conduction mode (DCM). In addition, the distortion of the output current is mostly composed of odd harmonics. Odd harmonic expressed to the even harmonic in SRF can be calculated using Park’s transformation. Therefore, a repetitive controller can improve dynamics by considering only even harmonic components in SRF rather than including all harmonics. The simulation and the experimental results verify the effectiveness of the proposed control strategy. The proposed method not only reduces the THD of the output current in both the CCM operation and the DCM operation, but also improves the dynamics of the current controller.
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Zsigmond, Andor-Attila, and András Kelemen. "Implementation of Grid Synchronization Methods on a Real Time Development System." Acta Universitatis Sapientiae, Electrical and Mechanical Engineering 13, no. 1 (2021): 52–67. http://dx.doi.org/10.2478/auseme-2021-0005.

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Abstract The paper presents a study regarding the implementation of two representative grid synchronization methods, intended to be used in the control structure of a three phase switch mode voltage rectifier. The methods considered are the Synchronous Reference Frame Phase Locked Loop (SRF PLL) and the Double Synchronous Frame Phase Locked Loop (DSRF PLL), respectively. These synchronization methods have been compared on a real time development system type dSpace 1104 from the point of view of their performance in case of an unbalanced mains voltage system. Finally, the influence of the chosen grid synchronization method on the performance of a synchronous reference frame controlled three-phase switch mode voltage rectifier is studied by simulation, and better results are demonstrated to be provided by the use of the DSRF PLL.
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Kampitsis, Georgios E., Anastasis P. Tsoumanis, Konstantinos C. Gallos, Stavros A. Papathanassiou, and Stefanos N. Manias. "Experimental Investigation of the Response of Different PLL Algorithms to Grid Disturbances." Materials Science Forum 856 (May 2016): 291–96. http://dx.doi.org/10.4028/www.scientific.net/msf.856.291.

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In this paper, the performance of three different phase locked loop (PLL) algorithms is experimentally evaluated in a grid connected photovoltaic inverter. Robust PLL is a key requirement for ensuring system compatibility with existing grid codes. The double second order generalized integrator (DSOGI) and the decoupled double synchronous reference frame (DDSRF) PLL are compared against the conventional synchronous reference frame (SRF) PLL under grid disturbances. All synchronization algorithms are initially simulated in Matlab and subsequently transformed in discrete time for implementation in the digital controller. Grid distortions, such as phase voltage sags, frequency fluctuations and voltage harmonic distortion are emulated via a controllable three phase generator.
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Tham, Zhen Ye, Yap Hoon, and Mohd Amran Mohd Radzi. "Synchronous Reference Frame with Finite Impulse Response Filter for Operation of Single-phase Shunt Active Power Filter." MATEC Web of Conferences 335 (2021): 02004. http://dx.doi.org/10.1051/matecconf/202133502004.

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Power Quality (PQ) has been recognized as one of the main issues in electricity supply worldwide after the invention of nonlinear load. In 2017, PQ problem leads to significant economic losses in the Pan European region. Therefore, Active Power Filter has been developed during the past two decades to improve the harmonic compensation, reactive power, and voltage balance. In this research, the evaluation of the Synchronous Reference Frame (SRF) method is done under nonlinear load condition. The objective of this research is to modify the harmonic extraction algorithm based on SRF concepts for the application of single-phase shunt active power filter (SAPF) in harmonics mitigation and evaluate the performance of it. The performance of the SAPF that used SRF is evaluated and verified using MATLAB/Simulink. Besides that, the proposed SRF will be benchmarked with several existing techniques. The results are verified using MATLAB/Simulink with the aid of Powergui in the SimPower System block. Powergui has a built in Fast Fourier Transform (FFT) analysis tool that could perform harmonic analysis. With the aid of this tool, the Total Harmonic Distortion (THD) value can be viewed in the block. This research does achieve the THD value of the power system keeps under the limit set by IEEE standard 519.
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Abdurrahman, Muhammad Hanif, Iwan Setiawan, and Susatyo Handoko. "DESAIN DAN IMPLEMENTASI SYNCHRONOUS REFERENCE FRAME-PHASE LOCKED LOOP (SRF-PLL) UNTUK TEGANGAN SATU FASE MENGGUNAKAN DSPIC30F4011." TRANSIENT 7, no. 1 (2018): 145. http://dx.doi.org/10.14710/transient.7.1.145-151.

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Fase, magnitude, dan frekuensi dari tegangan listrik merupakan informasi penting dalam pengoprasian sistem jaringan. Berdasarkan kebutuhan penerapan koneksi pembangkit dengan grid side converter (GSC), GSC harus dapat dioperasikan meski pun jaringan mengalami interferensi. Untuk mencapai tujuan tersebut, dibutuhkan metode yang dapat mendeteksi gangguan jaringan secara cepat, yaitu dengan menggunakan metode Phase Locked Loop (PLL) yang dapat menyediakan informasi tegangan jaringan. Dibandingkan dengan algoritma PLL yang lainnya, Synchronous Reference Frame-Phase Locked Loop (SRF-PLL) bisa dikatakan merupakan yang paling populer dalam penerapannya. Dalam Penelitian ini, dibuat sebuah desain untuk pengaplikasian SRF-PLL untuk tegangan satu fase menggunakan mikrokontroler 16-bit dsPIC30f4011 dengan kontroler PI, dimana kontroler PI diharapkan akan membuat sistem memiliki respon yang cepat terhadap perubahan yang terjadi, dikarenakan tujuan dari kebutuhan PLL itu sendiri, sehingga akan didapatkan hasil data tegangan jaringan berupa, magnitude, frekuensi dan fase. Hasilnya, pengkondisi sinyal dapat mengatur sinyal tegangan jaringan agar dapat terabca oleh ADC mikrokontroler, sehingga magnitude, frekuensi, dan fase dari tegangan jaringan berhasil dibaca oleh algoritma SRF-PLL yang ditampilkan pada oscilloscope dengan bantuan DAC 8bit.
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Chmielewski, Tomasz. "CONTROL AND GRID SYNCHRONIZATION OF TWO LEVEL VOLTAGE SOURCE INVERTER UNDER TEMPORARY VOLTAGE UNBALANCE." Informatics Control Measurement in Economy and Environment Protection 6, no. 4 (2016): 26–31. http://dx.doi.org/10.5604/01.3001.0009.5185.

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This paper presents the operation of grid tied, two level voltage source inverter (VSI) during network voltage unbalance. The control system was implemented in synchronous rotating reference frame dq0 (SRF). Two types of control structures were investigated herein. First utilizes the Double Decoupled SRF Phase-locked loop (DDSRF-PLL) synchronisation with positive and negative sequence currents control. Second one is simplified system that does not provide symmetrical components decomposition and decoupling for synchronisation. Simulation results exhibited a superior performance of the DDSRF-PLL control system under grid voltage unbalance.
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Reddy, S. R., P. V. Prasad, and G. N. Srinivas. "Power Quality Enhancement Using Particle Swarm Optimization Based Shunt Active Power Filter." International Journal of Mathematical Models and Methods in Applied Sciences 16 (June 25, 2022): 134–39. http://dx.doi.org/10.46300/9101.2022.16.22.

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The shunt active power filter is one compelling arrangement is utilized for reducing the source current harmonics distortion in nonlinear load distribution system. The synchronous reference frame control algorithm utilized to creating current controlled reference signals. The acquired reference control signals are compared with hysteresis controller for better switching of shunt active power filters. Generally SRF with PI controlled shunt active power filter are used to compensation of harmonic. But, they won't give better results to bigger variety loads. In these papers a particle swarm optimization (PSO) system is proposed for better tuning of PI values of SRF with PSO-PI controlled shunt active power filter. The simulation results without and with conventional PI and furthermore with PSO-PI is analyzed for nonlinear load distribution system.
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Prasad, Miska, and Ashok Kumar Akella. "Comparison of DSTATCOM Performance for Voltage Sag Alleviation." Indonesian Journal of Electrical Engineering and Computer Science 4, no. 2 (2016): 305. http://dx.doi.org/10.11591/ijeecs.v4.i2.pp305-316.

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<p><em>This paper describes the comparative analysis of three different control techniques of distributed flexible AC transmission system (DFACTS) controller called as distributed static synchronous compensator (DSTATCOM), </em><em>aimed at power quality (PQ) enhancement in terms of voltage sag mitigation in a three-phase four-wire (3p4w) distribution system. A DSTATCOM is one of the major power quality improvement devices which consist of a DC energy source, a voltage source inverter (VSI), a filter, a coupling transformer and the control system. The control strategy based on synchronous reference frame (SRF) theory, instantaneous active and reactive current (IARC) theory and propositional-integral (PI) controller has been used for reference current generation of voltage source inverter (VSI) based DSTATCOM. The SRF, IARC and PI control based DSTATCOM is validated through dynamic simulation in a MATLAB\SIMULINK environment under linear as well as nonlinear loads.</em></p>
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Dissertations / Theses on the topic "Synchronous Reference Frame (SRF)"

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Sagha, Hossein. "Development of innovative robust stability enhancement algorithms for distribution systems containing distributed generators." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/91052/1/Hossein_Sagha_Thesis.pdf.

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This project was a step forward in improving the voltage profile of traditional low voltage distribution networks with high photovoltaic generation or high peak demand. As a practical and economical solution, the developed methods use a Dynamic Voltage Restorer or DVR, which is a series voltage compensator, for continuous and communication-less power quality enhancement. The placement of DVR in the network is optimised in order to minimise its power rating and cost. In addition, new approaches were developed for grid synchronisation and control of DVR which are integrated with the voltage quality improvement algorithm for stable operation.
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Felicetti, Roberto. "Field Current Control for the Damping of Rotor Oscillations and for the Alternative Start of Synchronous Machines : Further Innovative Applications of Field Current Active Control besides UMP-Compensation." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353669.

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The possibility to save energy in synchronous machines operation by dismissing d-axis damping bars and surrogating them with active excitation current control in sectored field winding is proved. In particular a way to recover the energy of rotor oscillations during power regulation is shown by means of a studycase generator whereas a self-starting machine is analytically and numerically designed in view of its next construction and test. Principal design requirements and limits for both applications are presented and discussed.
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Dušek, Jiří. "Řízení stroje s PM v d-q osách při použití Matlab/Simulink." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218789.

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Tato práce se zabývá synchronním motorem s permanentními magnety na rotoru (PMSM), jeho modelováním a návrhu regulační struktury. V práci jsou uvedeny způsoby a výhody použití permanentních magnetů v elektrických motorech. Dále se práce zabývá transformací třífázové soustavy do dq0. Pomocí Parkovy transformace jsou v práci odvozeny rovnice stroje v dq0 souřadnicovém systému a vytvořeny náhradní schémata stroje v dq osách. Rovnice i schémata zahrnují jak ztráty v mědi, tak ztráty v železe. Náhradní schémata jsou popsány elektrickými a mechanickými rovnicemi a následně překresleny do grafické podoby v programu Matlab Simulink. Vytvořeny jsou dva modely PMSM, jeden s uvažováním ztrát v železe a druhý bez těchto ztrát. Pro oba dva modely je zde popsán postup návrhu regulátorů proudu a otáček. Pro model, u kterého jsou uvažovány ztráty v železe je navíc použito více druhů řídicích strategií a tyto strategie jsou mezi sebou navzájem porovnány.
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Abhijit, K. "Design And Control of Power Converters for Renewable Energy Systems." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2663.

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Renewable energy sources normally require power converters to convert their energy into standardized regulated ac output. The motivation for this thesis is to design and control power converters for renewable energy systems to ensure very good power quality, efficiency and reliability. The renewable energy sources considered are low voltage dc sources such as photovoltaic (PV) modules. Two transformer-isolated power circuit topologies with input voltage of less than 50V are designed and developed for low and medium power applications. Various design and control issues of these converters are identified and new solutions are proposed. For low power rating of a few hundred watts, a line-frequency transformer interfaced inverter is developed. In the grid connected operation, it is observed that this topology injects considerable lower order odd and even harmonics in the grid current. The reasons for this are identified. A new current control method using adaptive harmonic compensation technique and a proportional-resonant-integral (PRI) controller is proposed. The proposed current controller is designed to ensure that the grid current harmonics are within the limits set by the IEEE 1547-2003 standard. Phase-locked loops (PLLs) are used for grid synchronization of power converters in grid-tied operation and for closed-loop control reference generation. Analysis and design of synchronous reference frame PLL (SRF-PLL) and second-order generalized integrator (SOGI) based PLLs considering unit vector distortion under the possible non-ideal grid conditions of harmonics, unbalance, dc offsets and frequency deviations are proposed and validated. Both SRF-PLL and SOGI-PLL are low-complexity PLLs. The proposed designs achieve fastest settling time for these PLLs for a given worst-case input condition. The harmonic distortion and dc offsets in the resulting unit vectors are limited to be well within the limits set by the IEEE 1547-2003 standard. The proposed designs can be used to achieve very good performance using conventional low-complexity PLLs without the requirement of advanced PLLs which can be computationally intensive. A high-frequency (HF) transformer interfaced ac link inverter with a lossless snubber is developed medium power level in the order of few kilowatts. The HF transformer makes the topology compact and economical compared to an equally rated line frequency transformer. A new synchronized modulation method is proposed to suppress the possible over-voltages due to current commutation in the leakage inductance of the HF transformer. The effect of circuit non-ideality of turn-on delay time is analyzed. The proposed modulation mitigates the problem of spurious turn-on that can occur due to the turn-on delay time. The HF inverter, rectifier and snubber devices have soft switching with this modulation. A new reliable start-up method is proposed for this inverter topology without any additional start- up circuitry. This solves the problems of over-voltages and inrush currents during start-up. The overall research work reported in the thesis shows that it is possible to have compact, reliable and high performance power converters for renewable energy conversion systems. It is also shown that high control performance and power quality can be achieved using the proposed control techniques of low implementation complexity.
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Teng, Chao-Hsi, and 滕肇熙. "The Implementation of a Vector-Controlled Induction Motor Drive in the Synchronous Reference Frame." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/48452011961818856402.

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碩士<br>國立臺灣科技大學<br>電機工程研究所<br>82<br>In this paper, a vector-controlled induction motor drive is implemented in the synchronous reference frame. The principle of field orientation is employed in a speed-controlled application. This algorithm provides a dynamic decoupling of a fourth-order dynamic system of the induction motor and reduces it to a first-order one in the synchronous reference frame. And the voltage space vector modulation method is also employed in this paper. In the hardware structure, we use two CPUs to implement the vector-controlled theorey. Use the firstone - 80196MC single-chip micropressor to act as the master controller to read the three-phase currents and calculate the vector-controlled algorithm. And use the other one - TMS320-C14 DSP to act as the slave controller to employ the voltage space vector modulation method.
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Eren, Suzan. "Modifying the Three-Phase Synchronous Reference Frame Phase-Locked Loop to Remove Unbalance and Harmonic Errors." Thesis, 2008. http://hdl.handle.net/1974/1635.

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As an increasing number of distributed power generation systems (DPGS) are being connected to the utility grid, there is a growing requirement for the DPGS to be able to ride through short grid disturbances. This requires improvements to be made to the grid-side control scheme of the DPGS. An important part of the grid-side control scheme is the grid synchronization method, which is responsible for tracking the phase angle of the grid voltage vector. The state-of-the-art grid synchronization methods being used today are phase-locked loops. This thesis presents a modified phase-locked loop which is more robust towards grid disturbances. It consists of a multi-block adaptive notch filter (ANF) integrated into a conventional three-phase synchronous reference frame phase-locked loop (SRF-PLL). The addition of the multi-block ANF to the system allows it to become frequency adaptive. Also, since the multi-block ANF consists of multiple ANF blocks in parallel with one another, the system is able to remove multiple input signal distortions. Thus, the proposed system is able to eliminate the double frequency ripple that is caused in the conventional three-phase SRF-PLL by input unbalance, as well as harmonic errors, despite the presence of frequency variations in the input signal. Simulation results found using Matlab/Simulink, and experimental results found using the dSPACE DS1103 DSP board, demonstrate the feasibility of the modified SRF-PLL. Also, the modified SRF-PLL is compared to a conventional three-phase SRF-PLL, as well as to a conventional three-phase SRF-PLL with a simple notch filter, and the advantages of the modified SRF-PLL are discussed.<br>Thesis (Master, Electrical & Computer Engineering) -- Queen's University, 2008-12-17 12:38:02.589
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Books on the topic "Synchronous Reference Frame (SRF)"

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Vaez-Zadeh, Sadegh. Machine Modeling. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0002.

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This chapter presents dynamic and steady-state modeling of permanent magnet synchronous (PMS) machines with the help of reference frames. The modeling starts with a machine model in terms of phase variables. An equivalent two-axis model in a stationary reference is then obtained by a reference frame transformation. A further transformation to a two-axis rotor reference frame, with its direct axis aligned with the axis of a permanent magnet rotor pole, is derived. Another transformation to a two-axis stator flux linkage reference frame is also presented. Finally, a motor model in polar coordinates, based on space vector theory, is developed. In this chapter, PMS motor equivalent circuits are drawn, based on the mathematical models where appropriate. Iron losses and iron saturation are also taken into the models. The chapter ends with a brief presentation of the dynamic equation of PMS machines mechanical parts.
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Book chapters on the topic "Synchronous Reference Frame (SRF)"

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Sridharan, K., B. Chitti Babu, B. Naga Parvathi, and P. Kartheek. "Pre-filters Based Synchronous Rotating Reference Frame Phase Locked Loop (SRF PLL) Design for Distorted Grid Conditions." In Advances in Intelligent Systems and Computing. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3174-8_16.

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Ruan, Xinbo, Xuehua Wang, Donghua Pan, Dongsheng Yang, Weiwei Li, and Chenlei Bao. "Prefilter-Based Synchronous Reference Frame Phase-Locked Loop Techniques." In CPSS Power Electronics Series. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4277-5_12.

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Rini Ann Jerin, A., K. Palanisamy, S. Umashankar, and Padmanaban Sanjeevikumar. "Comparative Analysis of Feed-Forward and Synchronous Reference Frame Control-Based Dynamic Voltage Restorer." In Advances in Power Systems and Energy Management. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4394-9_41.

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Prasad, Dinanath, Narendra Kumar, and Rakhi Sharma. "Shunt Active Power Filter Based on Synchronous Reference Frame Theory Connected to SPV for Power Quality Enrichment." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2354-7_26.

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Vijayakumari, A., A. T. Devarajan, and N. Devarajan. "Effect of Grid Impedance Variation on the Control of Grid Connected Converters with Synchronous Reference Frame Controllers in Micro-Grids." In Lecture Notes in Electrical Engineering. Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2119-7_126.

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Kabat, Subash Ranjan, Chinmoy Kumar Panigrahi, and Bibhu Prasad Ganthia. "Comparative Analysis of Fuzzy Logic and Synchronous Reference Frame Controlled LVRT Capability Enhancement in Wind Energy System Using DVR and STATCOM." In Advances in Sustainability Science and Technology. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9033-4_32.

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Lipo, T. A. "Reference Frame Theory." In Analysis of Synchronous Machines. CRC Press, 2017. http://dx.doi.org/10.1201/b12211-2.

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"Synchronous Reference Frame PLL." In Enhanced Phase-Locked Loop Structures for Power and Energy Applications. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118795187.ch6.

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Conference papers on the topic "Synchronous Reference Frame (SRF)"

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Ali, Syarief, Iwan Setiawan, and Susatyo Handoko. "Design and Performance Test of Three Phased Synchronous Reference Frame-Phase Locked Loop (SRF-PLL) using DSPIC30F4011." In 2018 5th International Conference on Information Technology, Computer, and Electrical Engineering (ICITACEE). IEEE, 2018. http://dx.doi.org/10.1109/icitacee.2018.8576978.

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Khater, Faeka M. H., Mohamed I. Abu-Elsebah, and Farouk I. Ahmed. "Novel Speed and Position Estimation in Field-Oriented Control of Induction Machine Drive System." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4501.

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Abstract This paper describes a novel technique which has been proposed to simplify field orientation control system. This technique depends on zero crossing detection of different waveform of stator fluxes using the comparator reference signal which control the inverter transistors. By using this technique it is available to update the position θ and current components in the rotational reference frame up to twelve times per cycle. As a result, the transformation from two phase stationary reference frame (SRF) to two phase rotating synchronously reference frame (RRF), has been canceled which leads to less consumption time in software. Thus control algorithm requires less time to be implemented via software for position detection and speed estimation.
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Gonzatti, R. B., Carlos H. da Silva, E. M. Vaciloto, S. C. Ferreira, L. E. Borges da Silva, and G. Lambert-Torres. "STATCOM based on Modified Synchronous Reference Frame." In 2013 Brazilian Power Electronics Conference (COBEP 2013). IEEE, 2013. http://dx.doi.org/10.1109/cobep.2013.6785269.

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He, Xiaoyang, Miao Liu, Yunlu Li, Feng Hong, Junyou Yang, and Feng Jiang. "Synchronous Reference Frame Paralleled MAF/DSC-Based PLL." In 2020 Asia Energy and Electrical Engineering Symposium (AEEES). IEEE, 2020. http://dx.doi.org/10.1109/aeees48850.2020.9121525.

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Stojic, Djordje, Slavko Veinovic, and Milan Milinkovic. "Modified Synchronous Reference Frame Based Hysteresis Current Controller." In 2019 20th International Symposium on Power Electronics (Ee). IEEE, 2019. http://dx.doi.org/10.1109/pee.2019.8923322.

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Mazumdar, Joy, Ronald G. Harley, and Ganesh K. Venayagamoorthy. "Synchronous Reference Frame Based Active Filter Current Reference Generation Using Neural Networks." In IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics. IEEE, 2006. http://dx.doi.org/10.1109/iecon.2006.348114.

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Marques, G. D., V. Fernao Pires, Mariusz Malinowski, and Marian Kazmierkowski. "An Improved Synchronous Reference Frame Method for Active Filters." In EUROCON 2007 - The International Conference on "Computer as a Tool". IEEE, 2007. http://dx.doi.org/10.1109/eurcon.2007.4400408.

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Kim, Junwoo, Sungyoon Jung, and Kwanghee Nam. "Dynamic overmodulation in the synchronous reference frame for IPMSMs." In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. http://dx.doi.org/10.1109/ecce.2012.6342735.

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Sheikh, Ahmed, Tarek Youssef, and Osama Mohammed. "AC Microgrid Control Using Adaptive Synchronous Reference Frame PLL." In 2017 Ninth Annual IEEE Green Technologies Conference (GreenTech). IEEE, 2017. http://dx.doi.org/10.1109/greentech.2017.13.

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Queiroz, Eliabe Duarte, and Jose Antenor Pomilio. "Synchronous Reference Frame PLL Frequency Estimation under Voltage Variations." In 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC). IEEE, 2019. http://dx.doi.org/10.1109/cobep/spec44138.2019.9065530.

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Reports on the topic "Synchronous Reference Frame (SRF)"

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APPLICATION OF HYDRAULIC SYNCHRONOUS LIFTING TECHNOLOGY IN THE CONSTRUCTION OF LONG-SPAN HYBRID STEEL STRUCTURES. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.070.

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Abstract:
The aim of this study was to solve technical problems, such as uneven structures, multiple lifting points, high accuracy control requirements, and multi-disciplinary collaborative work, in the process of lifting and hoisting long-span hybrid steel structures based on the lifting work of a steel roof and steel beams of the Hunan Radio and Television studio F. First, after conducting research on the comparison and selection of the construction scheme, lifting process, quality control and other aspects, a floor assembly + hydraulic lifting + overhead supplementary bar construction plan was proposed. The large-section steel beam and truss hybrid structure system with different bottom chord elevations was divided into two units for synchronous lifting, with weights of 715 tons and 340 tons, lifting heights of 21.5 metres and 15 metres, and a maximum span of 50.4 metres , Second, the maximum vertical displacement, maximum stress ratio of the members, lifting reaction force frame and overall stability of the hybrid structure during the lifting process were analysed, and the results showed that they all met the requirements. Finally, the monitoring data of the field construction process were in good agreement with the numerical calculation results, further verifying the rationality and feasibility of hydraulic synchronous lifting technology, which can provide guidance and a reference for the construction of similar long-span hybrid steel structures.
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