JPS54122847A - Circuit apparatus for current share monitoring of converting valve - Google Patents

Circuit apparatus for current share monitoring of converting valve

Info

Publication number
JPS54122847A
JPS54122847A JP1898079A JP1898079A JPS54122847A JP S54122847 A JPS54122847 A JP S54122847A JP 1898079 A JP1898079 A JP 1898079A JP 1898079 A JP1898079 A JP 1898079A JP S54122847 A JPS54122847 A JP S54122847A
Authority
JP
Japan
Prior art keywords
circuit apparatus
current share
converting valve
share monitoring
monitoring
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.)
Pending
Application number
JP1898079A
Other languages
English (en)
Inventor
Kurausu Ahimu
Gaishingu Hainritsuhi
Uruburitsuhi Uirii
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JPS54122847A publication Critical patent/JPS54122847A/ja
Pending legal-status Critical Current

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
    • H02H7/10—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/36—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points of different systems, e.g. of parallel feeder systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Protection Of Static Devices (AREA)
  • Rectifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
JP1898079A 1978-02-20 1979-02-20 Circuit apparatus for current share monitoring of converting valve Pending JPS54122847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2807095A DE2807095C2 (de) 1978-02-20 1978-02-20 Schaltungsanordnung zur Überwachung der Stromfehlverteilung in zwei parallelgeschalteten Stromrichterzweigen

Publications (1)

Publication Number Publication Date
JPS54122847A true JPS54122847A (en) 1979-09-22

Family

ID=6032415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1898079A Pending JPS54122847A (en) 1978-02-20 1979-02-20 Circuit apparatus for current share monitoring of converting valve

Country Status (8)

Country Link
US (1) US4228477A (ja)
JP (1) JPS54122847A (ja)
CA (1) CA1126820A (ja)
DE (1) DE2807095C2 (ja)
FR (1) FR2417873A1 (ja)
GB (1) GB2014806B (ja)
SE (1) SE7900261L (ja)
SU (1) SU841617A3 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384248A (en) * 1979-06-22 1983-05-17 Hitachi, Ltd. Method and apparatus for detecting shortcircuit in arm of GTO inverter
DE2930034A1 (de) * 1979-07-24 1981-02-12 Siemens Ag Ueberwachungseinrichtung fuer die kondensatorbatterie eines gleichstromfilterkreises
US4290007A (en) * 1979-12-03 1981-09-15 United Systems Corporation High power and high voltage transistor control circuit
US4706159A (en) * 1985-03-12 1987-11-10 Pitney Bowes Inc. Multiple power supply overcurrent protection circuit
ATE98024T1 (de) * 1988-06-29 1993-12-15 Siemens Ag Einrichtung zum erfassen von inneren fehlern bei einer hochspannungskondensatorbatterie.
US5170118A (en) * 1991-08-14 1992-12-08 Sundstrand Corporation Circuit and method for testing inverter drive logic switching patterns
CN103336163B (zh) * 2013-06-18 2015-06-17 中国科学院电工研究所 柔性高压直流输电系统换流阀交直流电压测试电路
CN103887768B (zh) * 2014-04-09 2016-07-06 南京保合太和电力科技有限公司 励磁系统整流桥差动保护方法及系统
CN104020378B (zh) * 2014-06-10 2016-11-23 杭州泽天科技有限公司 多个电磁阀的检测方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121206B (de) * 1960-03-24 1962-01-04 Licentia Gmbh Schaltungsanordnung zur UEberwachung einer Gleichrichteranlage
DE1110744B (de) * 1960-04-14 1961-07-13 Bbc Brown Boveri & Cie Anordnung zur UEberwachung des Stromflusses parallelgeschalteter Halbleiterventile
CA933592A (en) * 1971-06-16 1973-09-11 Canadian General Electric Company Limited Cell surveillance monitor for a power converter
AT331920B (de) * 1973-12-05 1976-08-25 Siemens Ag Uberwachungsschaltung fur eine anzahl gleichzeitig stromdurchflossener ventile
US4063145A (en) * 1975-05-13 1977-12-13 Siemens Aktiengesellschaft Circuit arrangement for firing controlled, parallel-connected electric valves

Also Published As

Publication number Publication date
FR2417873A1 (fr) 1979-09-14
SE7900261L (sv) 1979-08-21
SU841617A3 (ru) 1981-06-23
DE2807095B1 (de) 1978-12-14
DE2807095C2 (de) 1979-08-16
GB2014806B (en) 1982-03-10
US4228477A (en) 1980-10-14
FR2417873B1 (ja) 1981-11-06
GB2014806A (en) 1979-08-30
CA1126820A (en) 1982-06-29

Similar Documents

Publication Publication Date Title
GB2013985B (en) Current transformer
JPS5496775A (en) Method of forming circuit
GB2013979B (en) Expolosionproof switchgear apparatus
GB2025073B (en) Apparatus for monitoring the state of an electrical circiut
JPS54138971A (en) Monitoring circuit
GB2020042B (en) Monitoring rate of change of an electrical signal
JPS54140968A (en) Method of forming circuit
JPS54122847A (en) Circuit apparatus for current share monitoring of converting valve
DE3268907D1 (en) Electrical switchgear apparatus
DK164679A (da) Fremgangsmaade til fremstilling af et farmaceutisk praeparat
GB2013040B (en) Porous encapsulating composition for electrical apparatus
EP0011972A3 (en) Electrical switchgear
ZA791421B (en) Method of making magnetic component for direct current apparatus
JPS55106042A (en) Isolating circuit for power system
JPS54103568A (en) Method of forming electric circuit
JPS5529797A (en) Device for measuring electrical current
JPS54114719A (en) Dial type monitoring apparatus for transformers
JPS5530186A (en) Device for operating revolution of electric equipment
JPS552423A (en) Control circuit of highhfrequency electric operation device
JPS54144972A (en) Circuit connection method
GB2022950B (en) Housing for electrical apparatus
GB2063493B (en) Electrical measuring apparatus
GB2034976B (en) Safety devices for electrical apparatus
JPS5537727A (en) Device for monitoring pressure level of power breaker
JPS54132752A (en) Constant current circuit