公开(公告)号：GB2478190A

公开(公告)日：2011-08-31

申请号：GB201103082

申请日：2011-02-23

Applicant: GEN ELECTRIC

Inventor： ANTALEK JAMES DANIEL ,  ANDRITZ JEFFREY JAMES ,  GEORGE ANTHONY JAMES ,  KNUIJT HANS MILTON ,  MAGRO ABBY MARIE ,  O'DELL KEVIN JON ,  RAFTELIS FOTIOS ,  SCARLATA STEVEN PAUL

IPC: H02K9/12 ,  H02K9/24

Abstract: A hydrogen control system for a generator housing includes: a mass flow control system 100 fluidly connected to the generator housing, to measure a flow rate of a gas mixture extracted from the generator housing and modify the flow rate across a range of flow rates; and a vent 108 conduit fluidly connected to the mass flow control system, which receives a portion of the gas mixture from the mass flow control system and feeds it to an outlet. The generator can be operatively connected to a turbine 208, such as a steam turbine of a heat recovery steam generator, and a gas turbine (figs 4,5). The gas flow control system may include a mass flow control valve (fig 1, 110) and adjust the gas mixture flow rate base on a signal received form a purity monitoring system (PMS) 204 which can monitor environmental conditions within the housing, including hydrogen purity. Should the mass flow valve fail it can be closed and bypassed by opening a solenoid valve (fig 1, 112). The flow meter can be a thermal dissipation or a coriolis type. PMS 204 can transmit signals to an external database for diagnosis, efficiency and control analysis and to hydrogen source 106 to provide clean hydrogen to the generator. PMS 204 can include two independent analysers (fig 3, 304) connected to front, central and rear sections of the generator housing.

公开(公告)号：GB2478832A

公开(公告)日：2011-09-21

申请号：GB201104136

申请日：2011-03-11

Applicant: GEN ELECTRIC

Inventor： ANDRITZ JEFFREY JAMES ,  ANTALEK JAMES DANIEL ,  FITZMORRIS DANIEL JAMES ,  GEORGE ANTHONY JAMES ,  MAGRO ABBY MARIE ,  O'DELL KEVIN JON ,  RAFTELIS FOTIOS ,  SCARLATA STEVEN PAUL

IPC: H02K9/24

Abstract: A system for diagnosing a seal oil system comprises: sensors 22A, for measuring a seal oil pressure differential across shaft seal 16; sensors 24A, 26A, for measuring a seal oil temperature differential across the seal; a sensor 34A,34B for measuring a hydrogen side seal oil flow rate ; and a systein for analysing data collected from at least two of the sensors in order to diagnose the seal oil system. The system can be used in a hydrogen cooled generator 10 having a shaft 14 with turbine end 30 and collector end 32, to diagnose shaft seals 16 about the shaft at respective ends and can include respective seal oil pressure differential sensors 22A, 22B and seal oil temperature differential sensors 24A, 26A measuring across both shaft seals 16. Sensor 34A,B can be located in a drain of a detraining tank 20. The system can identify potential failures and analyse using a computer (fig 2, 40) and a look-up table (fig 3).