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Research on Electromagnetic Transient Simulation of AC and DC Hybrid Power System

Author: WeiPengJie
Tutor: ZhaoChengYong
School: North China Electric Power University
Course: Proceedings of the
Keywords: PSCAD / EMTDC Electromagnetic transient simulation model FLOW CONTROL Short-circuit current regulation
CLC: TM743
Type: Master's thesis
Year: 2011
Downloads: 93
Quote: 0
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Abstract


PSCAD / EMTDC environment in accordance with the the Shandong grid electrical data PSASP comprehensive stability program and the Ningdong - Shandong DC system data structures containing Ningdong DC - Shandong ( Qingdao) Shandong power grid fed electromagnetic transient simulation model . AC system model includes generators, transformers , lines , reactive power compensation devices and other electrical equipment , conversion and entered the PSASP environments generators , transformers , transmission lines , reactive power compensation device electrical parameters of the equipment , the completion of the Shandong power grid generation reactive power compensation device form of electrical wiring in the main electrical connection in the form of the plant, substation , the main substation structures ; DC system model including the inverter , converter transformers , AC and DC filters , DC Line and DC control system . The equivalent load size by adjusting the model makes PSCAD environment system trend distribution consistent with basic PSASP flow distribution ; MATLAB graphical user interface development environment GUIDE to complete the development of the man-machine interface , programming trend error calculation , the percentage of error statistics drawing of active and reactive power and voltage error of pie charts , and line trend inquiries to ensure that the the PSCAD environment static characteristics of the Shandong power grid and flow distribution PSASP environment consistent . By adjusting the the substation busbar short-circuit current size , the ensure both environments Shandong power grid substation busbar short-circuit current consistent . In both environments , including DC fed Shandong power grid flow distribution and the main substation busbar short-circuit current basic consistency typical DC transmission system fault transient characteristics in PSCAD environment research , analysis DC system commutation failure of AC protection establish a simulation foundation .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system simulation and calculation > Modeling and Simulation
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