GB2293505B - Inverter control system, and method of detecting abnormal conditions in an inverter device having a semiconductor composite element - Google Patents

Inverter control system, and method of detecting abnormal conditions in an inverter device having a semiconductor composite element

Info

Publication number
GB2293505B
GB2293505B GB9426168A GB9426168A GB2293505B GB 2293505 B GB2293505 B GB 2293505B GB 9426168 A GB9426168 A GB 9426168A GB 9426168 A GB9426168 A GB 9426168A GB 2293505 B GB2293505 B GB 2293505B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
inverter
control system
method
abnormal conditions
composite element
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.)
Expired - Fee Related
Application number
GB9426168A
Other versions
GB9426168D0 (en )
GB2293505A (en )
Inventor
Norihiko Okumura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/32Means for protecting converters other than automatic disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/10Emergency 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
    • H02H7/12Emergency 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
    • H02H7/122Emergency 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making or -braking
    • H03K17/08Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output circuit to the control circuit
    • H03K17/0828Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output circuit to the control circuit in composite switches
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making or -braking
    • H03K17/08Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K2017/0806Modifications for protecting switching circuit against overcurrent or overvoltage against excessive temperature
GB9426168A 1994-09-20 1994-12-23 Inverter control system, and method of detecting abnormal conditions in an inverter device having a semiconductor composite element Expired - Fee Related GB2293505B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22479194A JPH0898505A (en) 1994-09-20 1994-09-20 Semiconductor compound element and method for detecting failure of inverter device with semiconductor compound element

Publications (3)

Publication Number Publication Date
GB9426168D0 true GB9426168D0 (en) 1995-02-22
GB2293505A true GB2293505A (en) 1996-03-27
GB2293505B true GB2293505B (en) 1998-11-11

Family

ID=16819262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9426168A Expired - Fee Related GB2293505B (en) 1994-09-20 1994-12-23 Inverter control system, and method of detecting abnormal conditions in an inverter device having a semiconductor composite element

Country Status (4)

Country Link
JP (1) JPH0898505A (en)
CN (1) CN1039269C (en)
DE (1) DE19501373A1 (en)
GB (1) GB2293505B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5712802A (en) * 1996-04-16 1998-01-27 General Electric Company Thermal protection of traction inverters
DE19855370A1 (en) * 1998-12-01 2000-06-15 Bosch Gmbh Robert Protection circuit for a power semiconductor
JP3635988B2 (en) * 1999-05-27 2005-04-06 富士電機デバイステクノロジー株式会社 Semiconductor device
US6469919B1 (en) 1999-07-22 2002-10-22 Eni Technology, Inc. Power supplies having protection circuits
US7180758B2 (en) 1999-07-22 2007-02-20 Mks Instruments, Inc. Class E amplifier with inductive clamp
EP1134881B1 (en) * 2000-03-17 2006-01-04 STMicroelectronics S.r.l. Self-recovering and self-disabling system for converter
JP4344542B2 (en) * 2003-05-30 2009-10-14 シャープ株式会社 Inverter power source control circuit of the high-frequency heating apparatus
JP4701052B2 (en) 2005-09-21 2011-06-15 矢崎総業株式会社 Overcurrent detection device
CN101382585B (en) 2007-09-07 2011-01-26 比亚迪股份有限公司 Test method, apparatus and generator for inverter in generator
US8344801B2 (en) 2010-04-02 2013-01-01 Mks Instruments, Inc. Variable class characteristic amplifier
US8400739B2 (en) * 2011-02-28 2013-03-19 General Electric Company System and method for operating inverters
CN102751856B (en) * 2012-07-19 2015-04-08 成都芯源系统有限公司 Multi-phase switching converter with overcurrent protection function and control method of multi-phase switching converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250932A1 (en) * 1986-06-24 1988-01-07 International Business Machines Corporation Power supply system
GB2247118A (en) * 1990-08-13 1992-02-19 Brother Ind Ltd Multi-function status and fault indicator for a recording device
GB2264204A (en) * 1988-11-17 1993-08-18 Honda Motor Co Ltd Dc resistance welding apparatus having parallel inverters
GB2267190A (en) * 1992-05-15 1993-11-24 Ind Tech Res Inst Circuit breaker with current range indicator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250932A1 (en) * 1986-06-24 1988-01-07 International Business Machines Corporation Power supply system
GB2264204A (en) * 1988-11-17 1993-08-18 Honda Motor Co Ltd Dc resistance welding apparatus having parallel inverters
GB2247118A (en) * 1990-08-13 1992-02-19 Brother Ind Ltd Multi-function status and fault indicator for a recording device
GB2267190A (en) * 1992-05-15 1993-11-24 Ind Tech Res Inst Circuit breaker with current range indicator

Also Published As

Publication number Publication date Type
GB9426168D0 (en) 1995-02-22 application
GB2293505A (en) 1996-03-27 application
DE19501373A1 (en) 1996-03-28 application
CN1119359A (en) 1996-03-27 application
CN1039269C (en) 1998-07-22 grant
JPH0898505A (en) 1996-04-12 application

Similar Documents

Publication Publication Date Title
US5805287C1 (en) Method and system for geometry measurements
GB2295676B (en) Electrochemical detection systems
GB2301919B (en) Multi-step digital signature method and system
KR100181353B1 (en) Method and device for position recognition
EP0162652A3 (en) System, apparatus, and method for detecting and controlling surge in a turbo compressor
EP0725539A3 (en) Electrical program guide system and method
GB2352592B (en) Vehicle monitoring and control systems
GB2305778B (en) Method for testing overlay occurring in a semiconductor device
GB2304483B (en) System for and method of determining the location of an object in a medium

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001223