Sequential tripping of steam turbine generators: Working group report

被引：2

作者：

Fennell, E ^{[1
]}

Kozminski, K ^{[1
]}

Bajpai, M ^{[1
]}

Easterday-McPadden, S ^{[1
]}

Elmore, W ^{[1
]}

Fromen, C ^{[1
]}

Gardell, J ^{[1
]}

Hartmann, W ^{[1
]}

Hurley, J ^{[1
]}

Kerrigan, P ^{[1
]}

Khunkhun, K ^{[1
]}

Mozina, CJ ^{[1
]}

Nail, G ^{[1
]}

Patel, S ^{[1
]}

Pence, G ^{[1
]}

Pierce, A ^{[1
]}

Smaha, D ^{[1
]}

Usman, S ^{[1
]}

Waudby, P ^{[1
]}

Yalla, M ^{[1
]}

机构：

[1] ABB Power P&D Co, Working Grp J4, N Brunswick, NJ 08902 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1998年 / 34卷 / 06期

关键词：

exhaust hood temperature; generator overspeed; sequential tripping; simultaneous tripping; unit separation tripping; valve limit switches;

D O I：

10.1109/28.739029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The practice of tripping the generator breakers immediately following a boiler/turbine trip exposes a steam turbine generator to a potentially damaging overspeed operating condition, This paper describes the use of the sequential trip mode as a means of minimizing the exposure to possible unit damage following a boiler/turbine trip, Included is a comparison of the application of devices used by several major steam turbine generator manufacturers in accomplishing sequential tripping of the unit. This paper also discusses the differences in the devices used in implementing the tripping scheme and those applied as backup motoring protection, Additionally, the paper provides guidance in the selection of which functions should and should not be used to initiate sequential tripping.

引用

页码：1411 / 1418

页数：8

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