GB2501623B - Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator - Google Patents

Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator

Info

Publication number
GB2501623B
GB2501623B GB1310864.2A GB201310864A GB2501623B GB 2501623 B GB2501623 B GB 2501623B GB 201310864 A GB201310864 A GB 201310864A GB 2501623 B GB2501623 B GB 2501623B
Authority
GB
United Kingdom
Prior art keywords
monitoring
electrical generator
power devices
protection circuitry
exciter current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1310864.2A
Other versions
GB201310864D0 (en
GB2501623A (en
Inventor
Denis Hedley Dalby
Michael John Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cummins Generator Technologies Ltd
Original Assignee
Cummins Generator Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cummins Generator Technologies Ltd filed Critical Cummins Generator Technologies Ltd
Publication of GB201310864D0 publication Critical patent/GB201310864D0/en
Publication of GB2501623A publication Critical patent/GB2501623A/en
Application granted granted Critical
Publication of GB2501623B publication Critical patent/GB2501623B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
    • H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H02H7/1225—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to internal faults, e.g. shoot-through
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H02H7/1227—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to abnormalities in the output circuit, e.g. short circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/006—Means for protecting the generator by using control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
    • H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
    • H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
    • H02P9/302—Brushless excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
GB1310864.2A 2011-02-24 2012-02-22 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator Active GB2501623B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1103224.0A GB201103224D0 (en) 2011-02-24 2011-02-24 Protection circuitry for an electrical generator
PCT/GB2012/000183 WO2012114071A1 (en) 2011-02-24 2012-02-22 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator

Publications (3)

Publication Number Publication Date
GB201310864D0 GB201310864D0 (en) 2013-07-31
GB2501623A GB2501623A (en) 2013-10-30
GB2501623B true GB2501623B (en) 2014-04-02

Family

ID=43904163

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1103224.0A Ceased GB201103224D0 (en) 2011-02-24 2011-02-24 Protection circuitry for an electrical generator
GB1310864.2A Active GB2501623B (en) 2011-02-24 2012-02-22 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1103224.0A Ceased GB201103224D0 (en) 2011-02-24 2011-02-24 Protection circuitry for an electrical generator

Country Status (2)

Country Link
GB (2) GB201103224D0 (en)
WO (1) WO2012114071A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112952755B (en) * 2021-02-03 2022-08-26 西安热工研究院有限公司 Electrical braking system and method with pure resistance load for turbine generator set
CN117674033B (en) * 2023-12-06 2024-08-06 华中科技大学 Method for maintaining and limiting line voltage under short-circuit fault of three-phase inverter power supply

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924653A1 (en) * 1989-07-26 1991-01-31 Telefunken Electronic Gmbh Monitoring circuit for pulse controlled DC load - provides binary logic sensing and control of fault condition in load or its associated FET switching device
JPH0327799A (en) * 1989-06-23 1991-02-06 Mitsubishi Electric Corp Automatic voltage regulator
US20070035976A1 (en) * 2003-05-23 2007-02-15 Frank Sader Method and arrangement for monitoring a power output stage
WO2007036697A1 (en) * 2005-09-27 2007-04-05 Cummins Generator Technologies Limited Power control circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0327799A (en) * 1989-06-23 1991-02-06 Mitsubishi Electric Corp Automatic voltage regulator
DE3924653A1 (en) * 1989-07-26 1991-01-31 Telefunken Electronic Gmbh Monitoring circuit for pulse controlled DC load - provides binary logic sensing and control of fault condition in load or its associated FET switching device
US20070035976A1 (en) * 2003-05-23 2007-02-15 Frank Sader Method and arrangement for monitoring a power output stage
WO2007036697A1 (en) * 2005-09-27 2007-04-05 Cummins Generator Technologies Limited Power control circuit

Also Published As

Publication number Publication date
GB201103224D0 (en) 2011-04-13
WO2012114071A9 (en) 2012-10-18
GB201310864D0 (en) 2013-07-31
GB2501623A (en) 2013-10-30
WO2012114071A1 (en) 2012-08-30

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