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Research on Acquisition and Analysis System of Generator Voltage Disturbance Based on DSP

Author: WeiWei
Tutor: WanShuTing
School: North China Electric Power University
Course: Mechanical and Electronic Engineering
Keywords: Generator DSP Signal acquisition Voltage disturbance USB
CLC: TM31
Type: Master's thesis
Year: 2011
Downloads: 23
Quote: 0
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Abstract


Parameter of reasonable configuration or selected PSS (Power System Stabilizer) is the key to the power system stabilizer PSS can effectively suppress the low-frequency oscillation . This paper describes a generator voltage disturbance acquisition and analysis system , the purpose is to measure the excitation system in different frequency phase lag angle to determine the parameters of the PSS . First, a brief introduction to the knowledge of the system . Using a real-time synchronous sampling method, the sampling method to reduce sampling bias ; voltage perturbation amount of extraction , an instantaneous voltage of the calculation method based on reactive power , and in MATLAB simulation ; compare several white noise signal mathematical generated , and ultimately choose the linear congruential method to generate a series of white noise , and with a C program . TI's TMS320F2812 core processing chip A / D conversion chip ADS8365 and D / A converter chip the DAC8532, design the system for the collection and analysis of the amount of voltage disturbances , mainly including the DSP processing power circuits , AC voltage and current measurement circuit , white noise and disturbance to the output circuit and data transmission circuit ; complete the design of the major software modules , including hardware initialization procedure , the signal acquisition process , the analog output program , and with the host computer communication procedures . Finally, dynamic simulation laboratory instrument function test results show that the system is able to run safely and accurately , has a certain value .

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CLC: > Industrial Technology > Electrotechnical > Motor > Generators, large the generator group ( Zonglun,)
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