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DSP - based low-voltage TSC dynamic reactive power compensation device developed

Author: ZhuLianHuan
Tutor: HuangMinXiang
School: Zhejiang University
Course: Electrical Engineering
Keywords: dynamic reactive power compensator reactive power Compensation Digital signal processor zero-crossing triggering
CLC: TM761
Type: Master's thesis
Year: 2008
Downloads: 358
Quote: 10
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Abstract


The paper mainly includes the followed parts: the ameliorating of the net’s capability by the reactive power compensation, the control method and principle of reactive power compensation device and the hardware and software design of the device.The device’s hardware core is the 32-bit fix point DSP TMS320LF2812 produced by TI corp., which has many merits such as high operating speed and high real-time. The system adopts thyristor as switch that connect capacitors to main circuit, numeralization control, and Chinese menu LCD screen interface displaying system’s run-time Status momentarily. It actualizes the capacitor’s speediness, no arc, no percussion switching, and has superior performance.The software design adopts the assemble language; we use the method of modularization which can improve the universal trait of the program and simplify the device’s maintenance. Mention of switching law, control method considering reactive power, comparing with familiar control method considering power factor, avoids oscillation on the condition of light loading. In order to realize system’s required function, this paper designs and realizes comparatively integrate microcomputer controlled circuit and its peripherals circuit, including triggering circuit, sampling circuit, displaying circuit and communicating circuit. It also designs the whole controlling program of the system, and gives the controlling software structure flow chart.At last, the paper looks into the future of the development of reactive power compensation and the technique of DSP controller.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatically adjusts
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