ZHAO Zhidan, CHEN Zhigang, HAO Defeng, et al. THE RB CONTROL STRATEGY OF THERMAL POWER UNITS AND PROBLEMS NEEDING TO PAY ATTENTION IN THE TEST[J]. Thermal power generation, 2010, 39(6): 48-50.
ZHAO Zhidan, CHEN Zhigang, HAO Defeng, et al. THE RB CONTROL STRATEGY OF THERMAL POWER UNITS AND PROBLEMS NEEDING TO PAY ATTENTION IN THE TEST[J]. Thermal power generation, 2010, 39(6): 48-50.DOI:
火电机组RB控制策略及其试验中应注意的问题
摘要
介绍了300 MW、600 MW1、000 MW火电机组的辅机故障减负荷(RB)控制策略
分析了RB控制策略的特点
并提出了在RB试验中应注意:RB试验前
应对RB控制功能进行模拟试验
确保RB正确动作;在RB试验中
应防止送风机、引风机、一次风机的电机过电流;强制RB状态下的油枪起动条件
确保油枪正确投运。
Abstract
The run back(RB) strategy for 300 MW
600 MW
and 1 000 MW thermal power units has been presented
the features of RB control strategy being analysed
and the problems needing to pay attention in RB test being put forward.Before the RB test
a simulation test for RB control functions should be carried out
so as to ensure correct activation of RB;in the RB test
overcurrent of electric motors for the forced draft fan
the induced draft fan
and the primary air fan should be prevented
specifying the start-up condition of oil guns under RB state
ensuring the oil guns correctly to be put into operation.