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fast valving protection during transient load cut-back
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fast valving protection during transient load cut-back
Encyclopedia
工学
〔机组保护〕
释
fast valving protection during transient load cut-back
瞬间甩负荷快控保护
在电网瞬间故障而使发电机大幅度甩负荷时,先快速关闭,经短时延迟后再自动开启调节汽阀,以减少机械和电气功率的明显不平衡,改善电力系统暂态稳定的保护措施。简称为调节阀门快控(fast valving)或阀门超前动作(early valve actuation,EVA)。
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