CHARACTERISTICS' ANALYSIS FOR OVER SPEED PROTECTION CONTROLLER OF 700 MW UNIT AT ZHUHAI POWER PLANT

doi:10.19666/j.rlfd.2001.01.012

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CHARACTERISTICS' ANALYSIS FOR OVER SPEED PROTECTION CONTROLLER OF 700 MW UNIT AT ZHUHAI POWER PLANT

更新时间：2025-09-28

- CHARACTERISTICS' ANALYSIS FOR OVER SPEED PROTECTION CONTROLLER OF 700 MW UNIT AT ZHUHAI POWER PLANT
- Thermal Power Generation Issue 1, Pages: 36-40(2001)
- 作者机构：
  
  广东省电力试验研究所,广东,广州,510600
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2001.01.012
  CLC： TK263.72
- Published：2001
- 稿件说明：
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CHARACTERISTICS' ANALYSIS FOR OVER SPEED PROTECTION CONTROLLER OF 700 MW UNIT AT ZHUHAI POWER PLANT[J]. Thermal power generation, 2001, (1): 36-40.
DOI：

CHARACTERISTICS' ANALYSIS FOR OVER SPEED PROTECTION CONTROLLER OF 700 MW UNIT AT ZHUHAI POWER PLANT[J]. Thermal power generation, 2001, (1): 36-40. DOI： 10.19666/j.rlfd.2001.01.012.

摘要

基于失效分析和可靠性预测

应用系统状态部件对国产大容量机组典型电液并存型调节系统可靠性进行分析

给出了机组处于各种状态概率的计算式 ;用马尔柯夫状态转移法对液压调节系统的常见故障模式进行了讨论

给出了可靠性指标的计算式。

Abstract

Combined with four stage load rejection test completed in Zhuhai power plant on unit No 1 of 2×700 MW units

the designed charaterisitics of over speed controller（OPC） of this unit has been analyzed

discussing the requiments for designing the circuits of over speed protection.The result of load rejection test of this unit shows

despite the designed OPC has a number of electronic circuits

but the compensation for power non-equilibrium has been introduced into the speed-controlling circuit

enabling not only the governor valve has fast-closing function

but also the OPC has good adaptability to load reject cases at different loads.

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