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Substation Voltage and Reactive Power Optimization Control Strategy and Implementation

Author: ChenSangHong
Tutor: GuoRuiPengï¼›ShiChangWei
School: Zhejiang University
Course: Electrical Engineering
Keywords: Substation automation Optimal Control of Voltage and Reactive Power Harmonic Analysis Communication protocol
CLC: TM761.1
Type: Master's thesis
Year: 2011
Downloads: 52
Quote: 0
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Abstract


Voltage is a measure of the key indicators of power quality , reactive power is an important factor affecting the quality of the voltage , so the implementation of substation voltage and reactive power control to improve power quality , reduce network losses and ensure the system safe, reliable and economic operation are of great significance. This article describes the status of voltage and reactive power control , elaborated voltage and reactive power relationship between , and the automatic adjustment of voltage and reactive power principle is analyzed and studied . In the control strategy of the past are discussed , based on the current control strategy for the lack of a comprehensive analysis , we propose a new control strategy: the original \has analyzed theoretically harmonic interaction with the shunt capacitors , reactive power devices from the standpoint of the measures to prevent the substation harmonic amplification combining voltage and reactive power control and substation automation systems optimize the actual requirements, scheduling and VQC the content of communications were discussed VQC proposed content of the communication and data structures , developed a VQC and scheduling client communication protocol . INTEL Corporation microcontroller design uses a new type of voltage and reactive power for the CPU automatic control device , given the specific hardware and software design solutions. pair VQC-2000 in practical engineering application control principle brief analysis has been developed based on the control strategy , the paper from the hardware and software aspects of research work by the data acquisition and processing module , the central control module , switch input and output modules , man-machine interface module and the communication of five parts of the external hardware ; software you use microcontroller a / D sampling , numerical calculation, display , input / output and communication operations. thus according to the voltage and reactive power values improved control strategy according to the transformer substation voltage and reactive power integrated regulation and control.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatically adjusts > Automatic adjustment of voltage and reactive power
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