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1.发明公开System and method for operating steam turbine with transient elevated back pressure 审中-公开系统和方法蒸汽轮机与临时反压提高操作
公开(公告)号：EP2345795A2
公开(公告)日：2011-07-20
申请号：EP10195193.7
申请日：2010-12-15
IPC分类号： F01K13/02
CPC分类号： F01K13/02
摘要： A method and control system for implementing a transient protection logic algorithm 400 to avoid a turbine exhaust pressure trip 30 due to a short duration transient on turbine exhaust pressure 30 caused by a large reduction in turbine flow coupled with a transient increase in turbine exhaust pressure 30, which specifically occurs during full load rejections. When full load rejection conditions are sensed by power load unbalance 50 and confirmed by secondary means, normal trip settings 20 for turbine exhaust pressure 5 are blocked for a delay period 95 while transient operating limits are in place.
摘要翻译： 对于由于短持续时间的瞬态上通过在涡轮流量大的减速加上涡轮机废气的压力30的瞬时增加引起的涡轮排气压力30实现一个瞬变保护逻辑算法400，以避免涡轮机排气压力跳闸30所述的方法和控制系统 ，具体的过程中满负荷排斥发生。 当甩满负荷条件由电力负载不平衡50感测到的和由辅助手段证实，正常跳闸设置20，用于涡轮排气压力5被阻塞达延迟时间95，而瞬态操作限制到位。
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公开(公告)号：EP2345794A3
公开(公告)日：2016-07-06
申请号：EP10175355.6
申请日：2010-09-06
CPC分类号： F01K3/18 , F01K3/181 , F01K7/223 , F01K7/24 , F01K13/02 , G05B19/048 , G05B2219/37401 , G05D23/1917
摘要： A system (10) and a method are provided that may be used to control the temperature of steam being reheated by a moisture separator reheater (MSR 32). The temperature of a steam being reheated by a (MSR 32) may be sensed, and controller embodiments may use the sensed temperature to control the transfer of heat from various MSR components into the reheated steam. By using such control embodiments, the (MSR 32) may provide optimally heated steam to other power plant components, thus increasing the performance, efficiency, and safety of a power plant.
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3.发明公开System and method for operating steam turbine with transient elevated back pressure 审中-公开用于运行具有瞬时高背压的蒸汽轮机的系统和方法
公开(公告)号：EP2345795A3
公开(公告)日：2017-12-13
申请号：EP10195193.7
申请日：2010-12-15
IPC分类号： F01K13/02
CPC分类号： F01K13/02
摘要： A method and control system for implementing a transient protection logic algorithm 400 to avoid a turbine exhaust pressure trip 30 due to a short duration transient on turbine exhaust pressure 30 caused by a large reduction in turbine flow coupled with a transient increase in turbine exhaust pressure 30, which specifically occurs during full load rejections. When full load rejection conditions are sensed by power load unbalance 50 and confirmed by secondary means, normal trip settings 20 for turbine exhaust pressure 5 are blocked for a delay period 95 while transient operating limits are in place.
摘要翻译： 一种用于实现瞬态保护逻辑算法400的方法和控制系统，以避免由于涡轮机排气压力30的短暂持续时间短暂引起的涡轮机排气压力跳闸30，该涡轮机排气压力30伴随着涡轮机排气压力30的瞬时增加 ，这在满载排斥期间特别发生。 当动力负载不平衡50检测到满载拒绝条件并且通过次要装置确认时，用于涡轮机排气压力5的正常跳闸设置20在暂时运行极限到位时被阻断延迟时间段95。
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公开(公告)号：EP2345794A2
公开(公告)日：2011-07-20
申请号：EP10175355.6
申请日：2010-09-06
CPC分类号： F01K3/18 , F01K3/181 , F01K7/223 , F01K7/24 , F01K13/02 , G05B19/048 , G05B2219/37401 , G05D23/1917
摘要： A system (10) and a method are provided that may be used to control the temperature of steam being reheated by a moisture separator reheater (MSR 32). The temperature of a steam being reheated by a (MSR 32) may be sensed, and controller embodiments may use the sensed temperature to control the transfer of heat from various MSR components into the reheated steam. By using such control embodiments, the (MSR 32) may provide optimally heated steam to other power plant components, thus increasing the performance, efficiency, and safety of a power plant.
摘要翻译： 本发明提供一种系统（10）和方法也可以被用于控制由一个湿气分离再热（MSR 32）再加热的蒸汽的温度。 蒸汽的温度由（MSR 32）再加热可以被感测和控制器的实施例可以使用所感测的温度来控制的热从各种MSR部件转移到的再热蒸汽。 通过使用搜索控制实施例中，（MSR 32）可以提供OPTI马利加热的蒸汽至其他电厂的部件，从而提高了性能，效率和发电设备的安全性。
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