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Articles de revues sur le sujet « Digital Real-Time Simulator »

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Auteur : Grafiati

Publié le 14 mars 2023

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1

Chen, Jinchao, Chenglie Du, Pengcheng Han et Xiaoyan Du. « Real-time digital simulator for distributed systems ». SIMULATION 97, n^o 5 (22 janvier 2021) : 299–309. http://dx.doi.org/10.1177/0037549720986865.

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Simulation has been widely adopted as a support tool for the validation and experimentation of distributed systems. It allows different devices and applications to be evaluated and analyzed without requiring the actual presence of those machines. Although the simulation plays an important role in investigating and evaluating the behaviors of devices, it results in a serious simulator building problem as the distributed systems become more and more complicated and dynamically data driven. Most of the existing simulators are designed and developed to target a specific type of application, lacking the capabilities to be a configurable and standardized tool for researchers. To solve the adaptability and reusability problems of simulators, this paper proposes a new approach to design and implement a configurable real-time digital simulator for hardware devices that are connected via data buses in distributed systems. First, the proposed simulator uses a logic automaton to simulate the activities of a real device, and generates the incentive data for tested equipment according to the predefined XML-based files. Then with a virtual bus, the simulator can receive, handle, and send data in various network environments, improving the flexibility and adaptability of a simulator design. Experimental results show that the proposed simulator has a high real-time performance, and can meet the increasing requirements of modern simulations of distributed systems.

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INABE, HIROTO. « Real-Time Digital Simulation for Power System. 4. Hybrid Real Time Simulator. » Journal of the Institute of Electrical Engineers of Japan 122, n^o 5 (2002) : 304–6. http://dx.doi.org/10.1541/ieejjournal.122.304.

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Sato, Nobuyuki, Taro Nakazawa, Akira Yamazaki, Hisao Taoka, Isao Iyoda et Hideo Noguchi. « Real-Time Digital Simulator for Power System Analysis ». IEEJ Transactions on Power and Energy 113, n^o 8 (1993) : 855–64. http://dx.doi.org/10.1541/ieejpes1990.113.8_855.

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McLaren, P. G., R. Kuffel, R. Wierckx, J. Giesbrecht et L. Arendt. « A real time digital simulator for testing relays ». IEEE Transactions on Power Delivery 7, n^o 1 (1992) : 207–13. http://dx.doi.org/10.1109/61.108909.

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Kezunovic, M., et M. McKenna. « Real-time digital simulator for protective relay testing ». IEEE Computer Applications in Power 7, n^o 3 (juillet 1994) : 30–35. http://dx.doi.org/10.1109/67.294167.

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Sato, Nobuyuki, Taro Nakazawa, Akira Yamazaki, Hisao Taoka, Isao Iyoda et Hideo Noguchi. « Real-time digital simulator for power system analysis ». Electrical Engineering in Japan 114, n^o 6 (1994) : 48–62. http://dx.doi.org/10.1002/eej.4391140605.

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Zhang, Yingbin, Xiaowei Zhao, Guoshi Wang, Qing Yan, Siming Li et Ying Liu. « Researching a Simulation of Real-Time Nonlinear Dynamical Systems for Digital Power Grids in Massive IoT ». Wireless Communications and Mobile Computing 2022 (24 août 2022) : 1–9. http://dx.doi.org/10.1155/2022/7153456.

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“Digital real-time simulation” refers to the replication of output waveforms with the required accuracy, which duplicates the behavior of a real power system that is being simulated. A variety of problems relating to the functioning of power systems can be effectively solved using real-time simulators. Fortunately, modern state-of-the-art technological advancements have solved the energy problems. When used as a real-time application of electromagnetic transient-type simulation, the real-time digital simulator takes advantage of the traveling wave properties of cables and transmission lines in conjunction with a parallel processing platform. Power Control (PC), Hardware Under Test (HUT), Time Scale of Events (TSE), and Control Action (CA) are used as independent variables and the Real-Time Dynamic Simulation (RTDS) has been used as dependent variables. The objective of study improves the energy production in Digital Power Grids using Real-time Dynamic Nonlinear System Simulation System. The data was collected by using questionnaires based on 5-Likert Scale. The data has been analyzed using smart PLS 3. The questionnaire were filled from 50 technicians of power grids. The results are that Real-Time Dynamic Simulation improves the energy production in Digital Power Grids.

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Kahrs, M., et C. Zimmer. « Digital Signal Processing in a Real-Time Propagation Simulator ». IEEE Transactions on Instrumentation and Measurement 55, n^o 1 (février 2006) : 197–205. http://dx.doi.org/10.1109/tim.2005.861491.

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Logenthiran, Thillainathan, Dipti Srinivasan, Ashwin M. Khambadkone et Htay Nwe Aung. « Multiagent System for Real-Time Operation of a Microgrid in Real-Time Digital Simulator ». IEEE Transactions on Smart Grid 3, n^o 2 (juin 2012) : 925–33. http://dx.doi.org/10.1109/tsg.2012.2189028.

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Espinoza, Renzo, Yuri Molina et Maria Tavares. « PC Implementation of a Real-Time Simulator Using ATP Foreign Models and a Sound Card ». Energies 11, n^o 8 (16 août 2018) : 2140. http://dx.doi.org/10.3390/en11082140.

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This work reports the personal computer implementation of a real-time simulator based on the widely used Electromagnetic Transients Program, version Alternative Transients Program (EMTP-ATP) software for testing protection and control devices. The proposed simulator was implemented on a conventional PC with a GNU/Linux operative system including a real-time kernel. Using foreign models programmed in C, ATP was recompiled with the PortAudio (sound card I/O library) with tools for writing and reading the parallel port. In this way, the sound card was used as a digital-to-analog converter to generate voltage waveform outputs at each simulation time step of the ATP, and the parallel port was used for digital inputs and outputs, resulting in a real-time simulator that can interact with protection and control devices by means of hardware-in-the-loop tests. This work uses the minimum possible hardware requirements to try to implement a real-time simulator. Due to the limitation of two channels, this simulator was used mainly to demonstrate the implementation methodology concept at this stage; this concept could potentially be expanded with more powerful hardware to improve its performance. The performance of the implemented simulator was analyzed through interactions with a real intelligent electronic device (IED). Furthermore, a comparison with the results obtained by means of the well-known real-time digital simulator (RTDS) was presented and discussed.

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Nam, Suchul, Jiyoung Song, Jaegul Lee, Jeonghoon Shin et Tae-kyun Kim. « Modeling and Simulation about Long Term Dynamics Using Real Time Digital Simulator ». Journal of International Council on Electrical Engineering 2, n^o 4 (octobre 2012) : 456–62. http://dx.doi.org/10.5370/jicee.2012.2.4.456.

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Mikkili, Suresh, et Anup Kumar Panda. « Review of RT-LAB and Steps Involved for Implementation of a Simulink Model from MATLAB to REAL-TIME ». International Journal of Emerging Electric Power Systems 14, n^o 6 (14 novembre 2013) : 641–58. http://dx.doi.org/10.1515/ijeeps-2012-0031.

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Abstract In recent days, every researcher wants to develop his/her model in real-time. Simulation tools have been widely used for the design and improvement of electrical systems since the mid-twentieth century. The evolution of simulation tools has progressed in step with the evolution of computing technologies. Now a days, computing technologies have improved dramatically in performance and become widely available at a steadily decreasing cost. Consequently, simulation tools have also seen dramatic performance gains and steady cost decreases. Researchers and engineers now have access to affordable, high-performance simulation tools that were previously too cost prohibitive, except for the largest manufacturers and utilities.This article has introduced a specific class of digital simulator known as a real-time simulator by answering the questions “What is real-time simulation?” “Why is it needed” and “How it works”. The latest trend in real-time simulation consists of exporting simulation models to FPGA. In this article, the steps involved for implementation of a model from MATLAB to REAL-TIME are provided in detail. The detailed real-time results are presented to support the feasibility of real-time digital simulator.

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Brenna, Morris, Ettore De Berardinis, Luca Delli Carpini, Pietro Paulon, Paola Petroni, Gianluca Sapienza, Giorgio Scrosati et Dario Zaninelli. « Petersen Coil Regulators Analysis Using a Real-Time Digital Simulator ». IEEE Transactions on Power Delivery 26, n^o 3 (juillet 2011) : 1479–88. http://dx.doi.org/10.1109/tpwrd.2010.2097611.

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Lee, Joo-Hun, Yong-Beum Yoon, Seung-Tae Cha, Jin Lee et Jong-Woong Choe. « Development of Distance Relay Models for Real Time Digital Simulator ». IFAC Proceedings Volumes 36, n^o 20 (septembre 2003) : 979–84. http://dx.doi.org/10.1016/s1474-6670(17)34601-3.

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Taoka, H., I. Iyoda, H. Noguchi, N. Sato, T. Nakazawa et A. Yamazaki. « Real-time digital simulator with digital/analog conversion interface for testing power instruments ». IEEE Transactions on Power Systems 9, n^o 2 (mai 1994) : 862–68. http://dx.doi.org/10.1109/59.317628.

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Kimura, Misao, Yasuyuki Miyazaki, Takafumi Karube, Yasuhiro Noro, Choei Takahashi, Hideto Kishibe et Hiromichi Sato. « Development of a Digital Real-Time Simulator for Power Electronics Systems ». IEEJ Transactions on Power and Energy 123, n^o 5 (2003) : 638–45. http://dx.doi.org/10.1541/ieejpes.123.638.

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Baek, Seung-Mook, et Jung-Wook Park. « Nonlinear Parameter Optimization of FACTS Controller via Real-Time Digital Simulator ». IEEE Transactions on Industry Applications 49, n^o 5 (septembre 2013) : 2271–78. http://dx.doi.org/10.1109/tia.2013.2260313.

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Vijapurapu, Vamsi K., Anurag K. Srivastava et Noel N. Schulz. « Modelling and validation of differential relay using real time digital simulator ». International Journal of Energy Technology and Policy 8, n^o 3/4/5/6 (2012) : 305. http://dx.doi.org/10.1504/ijetp.2012.052126.

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Kutzner, Ruediger. « Experience in Testing Turbine Governors by Using Digital Real-Time Simulator ». IFAC Proceedings Volumes 36, n^o 20 (septembre 2003) : 497–501. http://dx.doi.org/10.1016/s1474-6670(17)34517-2.

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Marttila, R. J., E. P. Dick, D. Fischer et C. S. Mulkins. « Closed-loop testing with the real-time digital power system simulator ». Electric Power Systems Research 36, n^o 3 (mars 1996) : 181–90. http://dx.doi.org/10.1016/0378-7796(95)01030-0.

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Kimura, Misao, Yasuyuki Miyazaki, Takafumi Karube, Yasuhiro Noro, Choei Takahashi, Hideto Kishibe et Hiromichi Sato. « Development of a digital real-time simulator for power electronics systems ». Electrical Engineering in Japan 148, n^o 4 (2004) : 41–49. http://dx.doi.org/10.1002/eej.10321.

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Zhang, Shuang, Xinran Guo, Jian Liang et Yuanchu Cheng. « The hybrid simulation system of hydropower generation units in islanding AC grid and its applications ». ITM Web of Conferences 45 (2022) : 01026. http://dx.doi.org/10.1051/itmconf/20224501026.

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It is a trend for the large hydropower bases to transport the electricity to consuming center with High Voltage Direct Current (HVDC) transmission lines. The fault of HVDC has great significance impact on hydropower units in islanding sending AC grid. In this paper, a hybrid simulation system is established to analyze the dynamic characteristic of hydropower units in islanding system. The simulation system is based on Real Time Digital Simulator (RTDS) and Digital Signal Processor (DSP). The simulation of electromagnetic transient process in the generator, the load, the network and HVDC is completed by RTDS. The Hydroturbine Real Time Simulator (HRTS) based on DSP completes the simulation of hydraulic-mechanical-electrical transient process in hydroturbine, division system and governing system. The real time data communication between RTDS, HRTS and external equipment ensures the real time calculation of simulation. The simulation results show high coincidence with field data. The hybrid simulation system is an effective approach for the research of islanding system at sending terminal with HVDC.

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23

Guo, Chun Lin, Jian Ting Xu, Yang Zhao et Xiang Ning Xiao. « A Research on Suppression of SSO Based on the Real Time Digital Simulation ». Advanced Materials Research 732-733 (août 2013) : 1415–19. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.1415.

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According to the first project using SVC to mitigate SSO in China, this paper builds the system model based on real time digtal simulator,and gives an introduction to the sysem model. Under typical operation mode and fault conditions,the performance of SVC is fully validated,it also analysis and comparise the performance of SVC under different operation modes. Simulation results show that the SVC can mitigate the SSO phenomenon.

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Idir, Abdelhakim, A. Ahriche, K. Khettab, Y. Bensafia et M. Kidouche. « Real time simulation of sensorless control based on back-EMF of PMSM on RT-Lab/ARTEMIS real-time digital simulator ». International Journal of Advances in Applied Sciences 8, n^o 4 (1 décembre 2019) : 269. http://dx.doi.org/10.11591/ijaas.v8.i4.pp269-278.

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<p>Real-time simulation (RT) is very useful for rapid prototyping of complex and expensive systems using the high performance of a multiprocessor system. It has many applications in the field of testing controllers and protection systems under real conditions. In this article, Real-time simulations results of sensorless control of permanent magnet synchronous motor (PMSM) are presented. This simulator consists of two major subsystems, software with a Matlab / Simulink and hardware including FPGA boards for data acquisition, control boards and sensors. The two subsystems were coordinated together to achieve the simulation RT. To estimate the rotor position, a sliding mode observer (SMO) based on back emfs of the motor was implemented. The stability of the proposed method was verified using the concept of Lyapunov. A real-time system based on FPGA, is used for implementing and testing the algorithm for rotor position estimation based on back-emf tracking.</p>

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Kim, Joorak, Gyu-Jung Cho et Jaewon Kim. « Development of Railway Protective Relay Simulator for Real-Time Applications ». Applied Sciences 10, n^o 1 (25 décembre 2019) : 191. http://dx.doi.org/10.3390/app10010191.

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Electric railways use a single-phase system, with the line comprising a trolley wire (TF) that supplies power to the load with a neutral wire and an autotransformer (AF) feeder to absorb the return current of the rail. Testing the performance of the protective relay that detects the fault of the traction power-supply system (TPSS) and operates the circuit breaker is very important. Until now, the performance test of protective relays for the TPSS has been conducted via a simple-steady test or using an expensive real-time simulator. However, under a fast-moving environment in which the load consumes a large amount of power, the protective relay must always detect faults and operate properly. This paper proposes a digital simulator that enables the dynamic testing of protective relays without using any steady test and expensive real-time simulators. This simulator includes both external waveform import and internal waveform generation functions. Users can test the operation of the protective relay by entering the waveform generated externally or internally into the protective relay. Additionally, it has the ability to monitor the operating protection elements and pickup time when the protective relay detects a fault and orders the circuit breaker trip.

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Leng, Feng, Chengxiong Mao, Dan Wang, Ranran An, Yuan Zhang, Yanjun Zhao, Linglong Cai et Jie Tian. « Applications of Digital-Physical Hybrid Real-Time Simulation Platform in Power Systems ». Energies 11, n^o 10 (9 octobre 2018) : 2682. http://dx.doi.org/10.3390/en11102682.

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Digital-physical hybrid real-time simulation (hybrid simulation) platform integrates the advantages of both digital simulation and physical simulation by combining the physical simulation laboratory and the real-time digital simulator. Based on a 400 V/50 kVA hybrid simulation platform with 500 kVA short-circuit capacity, the hybrid simulation methodology and a Hausdorff distance based accuracy evaluation method are proposed. The case validation of power system fault recurrence is performed through this platform, and the stability and accuracy are further validated by comparing the hybrid simulation waveform and field-recorded waveform and by evaluating the accuracy with the proposed error index. Two typical application scenarios in power systems are studied subsequently. The static var generator testing shows the hybrid simulation platform can provide system-level testing conditions for power electronics equipment conveniently. The low-voltage ride through standard testing of a photovoltaic inverter indicates that the hybrid simulation platform can be also used for voltage standard testing for various power system apparatus with low cost. With this hybrid simulation platform, the power system simulation and equipment testing can be implemented with many advantages, such as short period of modelling, flexible modification of parameter and network, low cost, and low risk. Based on this powerful tool platform, there will be more application scenarios in future power systems.

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Mathur, R. M., et X. Wang. « Real-time digital simulator of the electromagnetic transients of power transmission lines ». IEEE Transactions on Power Delivery 4, n^o 2 (avril 1989) : 1275–80. http://dx.doi.org/10.1109/61.25614.

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Mathur, R. M., et Xuegong Wang. « Real-Time Digital Simulator of the Electromagnetic Transients of Power Transmission Lines ». IEEE Power Engineering Review 9, n^o 4 (1989) : 87–88. http://dx.doi.org/10.1109/mper.1989.4310629.

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Chen, Meng Jen, Yu Chi Wu, Wen Shiush Chen, Pei Wei Huang et Tsung Wei Tsai. « Integration of Power System Real-Time Digital Simulator and Optimal Power Flow ». Advanced Materials Research 590 (novembre 2012) : 195–200. http://dx.doi.org/10.4028/www.scientific.net/amr.590.195.

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In this paper, a framework for integrating a real-time digital simulator and EMS-OPF program is proposed and addressed, through two different communication architectures: asynchronous and synchronous. Validation of these communication architectures is carried out by Ethernet UDP/IP (asynchronous) and analog channels of IO card (synchronous). With this framework, both dynamic and steady-state performance of a power system can be studied easily in real-time mode.

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Yang, Ping, Qunru Zheng, Sibo Song, Ting He, Xu Yin et Jinyong Lei. « A Photovoltaic Power Station Equivalent Method Based on Real-Time Digital Simulator ». MATEC Web of Conferences 70 (2016) : 10001. http://dx.doi.org/10.1051/matecconf/20167010001.

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Dinavahi, V., R. Iravani et R. Bonert. « Design of a Real-Time Digital Simulator for a D-STATCOM System ». IEEE Transactions on Industrial Electronics 51, n^o 5 (octobre 2004) : 1001–8. http://dx.doi.org/10.1109/tie.2004.834954.

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Pak, L. F., M. O. Faruque, X. Nie et V. Dinavahi. « A Versatile Cluster-Based Real-Time Digital Simulator for Power Engineering Research ». IEEE Transactions on Power Systems 21, n^o 2 (mai 2006) : 455–65. http://dx.doi.org/10.1109/tpwrs.2006.873414.

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Larose, C., S. Guerette, F. Guay, A. Nolet, T. Yamamoto, H. Enomoto, Y. Kono, Y. Hasegawa et H. Taoka. « A fully digital real-time power system simulator based on PC-cluster ». Mathematics and Computers in Simulation 63, n^o 3-5 (novembre 2003) : 151–59. http://dx.doi.org/10.1016/s0378-4754(03)00071-5.

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Taoka, H., I. Iyoda, H. Noguchi, N. Sato et T. Nakazawa. « Real-time digital simulator for power system analysis on a hypercube computer ». IEEE Transactions on Power Systems 7, n^o 1 (1992) : 1–10. http://dx.doi.org/10.1109/59.141680.

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Sato, Kosuke, Hirokazu Takigawa et Isao Iyoda. « Manufacture and Study of Modular Multilevel Converter Using Real-time Digital Simulator ». Journal of the Japan Institute of Power Electronics 41 (2015) : 50–56. http://dx.doi.org/10.5416/jipe.41.50.

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Jakominich, D., R. Krebs, D. Retzmann et A. Kumar. « Real time digital power system simulator design considerations and relay performance evaluation ». IEEE Transactions on Power Delivery 14, n^o 3 (juillet 1999) : 773–81. http://dx.doi.org/10.1109/61.772314.

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Zeno, A., J. R. Orillaza et M. L. Kolhe. « Analytical Modelling of Power Swing and Validation Using Real Time Digital Simulator ». IOP Conference Series : Materials Science and Engineering 605 (30 août 2019) : 012010. http://dx.doi.org/10.1088/1757-899x/605/1/012010.

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Hamed, A., et A. Hazzab. « Modeling and Real-Time Simulation of Induction Motor Using RT-LAB ». International Journal of Power Electronics and Drive Systems (IJPEDS) 9, n^o 4 (1 décembre 2018) : 1476. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1476-1485.

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<span lang="EN-US">This paper presents the modeling and real-time simulation of an induction motor. The RT- LAB simulation software enables the parallel simulation of power drives and electric circuits on clusters of a PC running QNX or RT- Linux operating systems at sample time below 10 µs. Using standard Simulink models including SimPowerSystems models, RT-LAB build computation and communication tasks are necessary to make parallel simulation of electrical systems. The code generated by the Real-Time Workshop of RT- LAB is linked to the OP5600 digital real-time simulator. A case study example of real-time simulation of an induction motor system is presented.This paper discusses methods to overcome the challenges of real-time simulation of an induction motor system synchronizing with a real-time clock.</span>

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Tanaka, Yukao, Hidetoshi Nishigaito, Hiroo Konishi et Masashi Nishimura. « Studies on Combining Method between Analogue Simulator and Real-time Digital Simulator for Power System Analysis ». IEEJ Transactions on Power and Energy 120, n^o 2 (2000) : 154–60. http://dx.doi.org/10.1541/ieejpes1990.120.2_154.

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Mnguni, Mkhululi Elvis Siyanda, et Raynitchka Tzoneva. « Development and Real-Time Implementation of an Under Voltage Load Shedding Scheme Using a Real-Time Digital Simulator ». International Review of Electrical Engineering (IREE) 14, n^o 6 (31 décembre 2019) : 420. http://dx.doi.org/10.15866/iree.v14i6.16609.

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Iracheta-Cortez, Reynaldo, Norberto Flores-Guzman et Rogelio Hasimoto-Beltran. « Implementation of the frequency dependent line model in a real-time power system simulator ». Ingeniería e Investigación 37, n^o 3 (1 septembre 2017) : 61–71. http://dx.doi.org/10.15446/ing.investig.v37n3.62271.

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In this paper is described the implementation of the frequency-dependent line model (FD-Line) in a real-time digital power system simulator. The main goal with such development is to describe a general procedure to incorporate new realistic models of power system components in modern real-time simulators based on the Electromagnetic Transients Program (EMTP). In this procedure are described, firstly, the steps to obtain the time domain solution of the differential equations that models the electromagnetic behavior in multi-phase transmission lines with frequency dependent parameters. After, the algorithmic solution of the FD-Line model is implemented in Simulink environment, through an S-function programmed in C language, for running off-line simulations of electromagnetic transients. This implementation allows the free assembling of the FD Line model with any element of the Power System Blockset library and also, it can be used to build any network topology. The main advantage of having a power network built in Simulink is that can be executed in real-time by means of the commercial eMEGAsim simulator. Finally, several simulation cases are presented to validate the accuracy and the real-time performance of the FD-Line model.

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Tormo, Daniel, Ricardo Vidal-Albalate, Lahoucine Idkhajine, Eric Monmasson et Ramon Blasco-Gimenez. « Embedded Real-Time Simulator for Sensorless Control of Modular Multi-Level Converters ». Electronics 11, n^o 5 (25 février 2022) : 719. http://dx.doi.org/10.3390/electronics11050719.

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This paper suggests the application of an embedded real-time simulator (eRTS) in the context of voltage–sensorless control of a modular multilevel power converter (MMC). This eRTS acts as an observer and ensures digital redundancy in the case of any fault occurring among the capacitor voltage sensors of the MMC submodules. Hence, in such a faulty situation, the MMC controller switches from the measured voltages to their estimated counterparts. As for the digital implementation, to ensure a high level of integration of the overall control system, the Xilinx Zynq-7020 system-on-chip field programmable gate array (SoC-FPGA) device was used. The controller was implemented in the hardwired ARM Cortex-A9 processor, with a 100 µs time step. Regarding the time-sensitive blocks (PWM, eRTS and measurements filtering), a full hardware implementation was privileged, using the FPGA fabric. The execution time of these blocks was 710 ns with a 100 MHz system clock, and the synchronization with the analog to digital acquisition chain was made with a 5 µs time resolution. The whole proof-of-concept system was experimentally tested, including the time/area evaluation of the implemented designs and the experimental validation of the eRTS estimations in both healthy and faulty scenarios.

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Kaijian Ou, Hong Rao, Zexiang Cai, Haiping Guo, Xuehua Lin, Lin Guan, Trevor Maguire, Bruce Warkentin et Yuan Chen. « MMC-HVDC Simulation and Testing Based on Real-Time Digital Simulator and Physical Control System ». IEEE Journal of Emerging and Selected Topics in Power Electronics 2, n^o 4 (décembre 2014) : 1109–16. http://dx.doi.org/10.1109/jestpe.2014.2337512.

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Nzimako, Onyinyechi, et Rudi Wierckx. « Modeling and Simulation of a Grid-Integrated Photovoltaic System Using a Real-Time Digital Simulator ». IEEE Transactions on Industry Applications 53, n^o 2 (mars 2017) : 1326–36. http://dx.doi.org/10.1109/tia.2016.2631120.

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HU, ZHIJIAN, CHENGXUE ZHANG, DAWEI FAN et YUNPING CHEN. « REAL TIME HARMONIC ESTIMATION BASED ON ARTIFICIAL NEURAL NETWORK, ETHERNET AND GPS TECHNOLOGY ». International Journal of Information Acquisition 02, n^o 04 (décembre 2005) : 323–31. http://dx.doi.org/10.1142/s0219878905000684.

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A new real time harmonic estimation approach based on adaptive neural network, GPS technology and distributed Ethernet is proposed in this paper. The method uses adaptive neural network to estimate the amplitudes and angles of the distorted current in power system. Only half-cycle harmonic current signal is used as the input of the neural network. In order to improve the accuracy of harmonic source identification, GPS (Global Positioning System) is used as the synchronization signal for the embedded measurement system based on digital signal processor (DSP). The sample selection and training methods of artificial neural network are explained and the hardware structure of the embedded harmonic identification system is given. RTDS (Real-Time Digital Simulator) simulation results illustrate the effectiveness of the proposed approach.

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Queiroz, Janailson, Sarah Carvalho, Camila Barros, Luciano Barros et Daniel Barbosa. « Embedding an Electrical System Real-Time Simulator with Floating-Point Arithmetic in a Field Programmable Gate Array ». Energies 14, n^o 24 (13 décembre 2021) : 8404. http://dx.doi.org/10.3390/en14248404.

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Real-Time Digital Simulation (RTDS) is a powerful tool in modeling and analyzing electrical and drive systems because it provides an efficient and accurate process. There are several hardware devices for this type of simulation; however, their high costs have led to the increasing use of more affordable and reconfigurable technologies. In this context, many logic blocks and storage elements make the Field Programmable Gate Array (FPGA) an ideal device to perform RTDS. This work proposes a technique to embed a real-time digital simulator in an FPGA through Hardware Description Language (HDL) since it provides liberty in the architecture choice and no dependency on commercial ready-made hardware–software packages. The approach proposed focuses on system design developing with expression tree graph, synthesizing and verifying, prioritizing the performance and design accuracy concerning area and power consumption. Thus, the result acquisition occurs at a time step considered in real-time. A simulation of a direct current (DC) motor speed control has been incorporated into this work as an example of application, which includes the embedding and simulation of the electric machine and its drive system. Performance tests have shown that the developed simulator is real-time and makes possible realistic analysis of the interaction between the plant and its control. In addition, an idea of the hardware requirement for real-time simulation is proposed based on the number of mathematical operations.

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Ko, Baekkyeong, Suchul Nam, Bongil Koo, Sungbum Kang et Jeonghoon Shin. « Real-time voltage stability monitoring and transmission parameter estimation based on phasor measurement data using real-time digital simulator ». Transactions of The Korean Institute of Electrical Engineers 69, n^o 11 (30 novembre 2020) : 1626–32. http://dx.doi.org/10.5370/kiee.2020.69.11.1626.

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Mohanty, Kanungo Barada, Satish Choudhury et Madhu Singh. « Vector Control Realization of DFIG Under Grid Abnormalities using Real Time Digital Simulator ». International Journal of Power Electronics and Drive Systems (IJPEDS) 7, n^o 4 (1 décembre 2016) : 1337. http://dx.doi.org/10.11591/ijpeds.v7.i4.pp1337-1347.

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A grid connected doubly-fed induction generator (DFIG) system, driven by variable speed wind turbine is considered in this research to satisfy grid code requirements. Remaining grid synchronized and stable under voltage sag and voltage swell, obtaining power control through dc link voltage control, and providing unity power factor at grid terminals are the achievements. The DFIG system uses two back-to-back converters. Vector control strategy is used with the grid side and rotor side converters, and taken up for research for further improvement. The grid side converter controls dc-link voltage and maintains unity power factor at the grid connection point. The rotor side converter supplies the reactive power of the machine and maintains the speed constant irrespective of the transient behavior of the grid. In this paper the behavior of the DFIG system is analyzed under grid voltage fluctuation and the experimental results are obtained using RT-LAB. Main contribution of this work is in improving the DFIG system performance with grid low voltage and over voltage ride through capability through simulation, and its real time experimental verification.

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Won, Y. J., J. G. Kim, A. R. Kim, G. H. Kim, M. Park, I. K. Yu, K. D. Sim et al. « Power system analysis of Hanlim superconducting HVDC system using real time digital simulator ». Physica C : Superconductivity and its Applications 471, n^o 21-22 (novembre 2011) : 1290–94. http://dx.doi.org/10.1016/j.physc.2011.05.180.

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Di Fazio, Anna Rita, Giuseppe Fusco et Mario Russo. « Testing New Reactive Power Control of DERs by Real-Time Simulation ». International Journal of Emerging Electric Power Systems 15, n^o 2 (1 avril 2014) : 151–59. http://dx.doi.org/10.1515/ijeeps-2013-0130.

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Abstract In the smart grid paradigm, the reactive power control of distributed energy resources (DERs) plays a key role improving the voltage profile in the distribution systems. This topic has been addressed by previous papers in which the Optimal Set-Point Design (OSPD) of DER reactive control, based on a decentralized approach, has been developed. The OSPD determines the set point of a reactive power closed-loop regulation scheme according to an optimization strategy. After briefly recalling the OSPD procedure, the article presents validation studies aiming at testing the effectiveness of the OSPD. The validation is based on a hardware-in-the-loop real-time simulation facility. In particular, an experimental setup has been arranged and presented, in which the system is simulated using the real-time digital simulator (RTDS), while the OSPD has been implemented on a PC in the LabView environment. The OSPD has been developed by considering two different optimization objectives, namely the feeder voltage profile optimization and the distribution losses minimization. The achieved results are then presented and also compared with the ones obtained a classical regulation scheme.

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