ACCIDENT ANALYSIS AND SOLVING MEASURES FOR 135MW STEAM TURBINES RUNNING IN AN ISOLATED ISLAND

DAI Guo-chao; YAN Guang-hua; WANG Lu-kui Zhoukou Longda Power Generation Co Ltd

doi:10.19666/j.rlfd.2007.07.019

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ACCIDENT ANALYSIS AND SOLVING MEASURES FOR 135MW STEAM TURBINES RUNNING IN AN ISOLATED ISLAND

Thermal Power Generation Issue 7, Pages: 69-71(2007)

更新时间：2025-09-28

- ACCIDENT ANALYSIS AND SOLVING MEASURES FOR 135MW STEAM TURBINES RUNNING IN AN ISOLATED ISLAND
- 作者机构：
  
  周口隆达发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.07.019
  CLC： TK268
- Published：2007
- 稿件说明：
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DAI Guo-chao, YAN Guang-hua, WANG Lu-kui Zhoukou Longda Power Generation Co Ltd. ACCIDENT ANALYSIS AND SOLVING MEASURES FOR 135MW STEAM TURBINES RUNNING IN AN ISOLATED ISLAND[J]. Thermal Power Generation, 2007, (7): 69-71.
DOI：

DAI Guo-chao, YAN Guang-hua, WANG Lu-kui Zhoukou Longda Power Generation Co Ltd. ACCIDENT ANALYSIS AND SOLVING MEASURES FOR 135MW STEAM TURBINES RUNNING IN AN ISOLATED ISLAND[J]. Thermal Power Generation, 2007, (7): 69-71. DOI： 10.19666/j.rlfd.2007.07.019.

摘要

针对周口隆达发电有限公司2×135 MW机组在电网发生严重故障时数字式电液控制系统(DEH)暴露出来的问题进行了分析

并提出了解决措施

即在DEH中增加功率负荷不平衡判断、调频控制等功能。通过甩地区大电网负荷试验表明

改进后的控制系统满足孤立电网稳定运行的需要。

Abstract

Directing against the problems appeared in digital electro-hydraulic(DEN) system of two 135 MW units in Zhoukou Longda Power Generation Co Ltd at time of severe fault occurred in the power grid

an analysis has been carried out

and solving measures being put forward

i.e.adding function of power-load imbalance judgement and function of frequency modulation control into the DEN system.The test of rejecting load for regional large power grid shows that the control system after retrofit can satisfy the requirements of stable operation in an isolated power grid.

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