TW345549B - Failure detection and circuit cutoff apparatus and method for use in an electromotive railcar the apparatus is adapted for use with an auxiliary power supply system of the type including a voltage transformer, a bridge rectifier, and an inverter. - Google Patents

Failure detection and circuit cutoff apparatus and method for use in an electromotive railcar the apparatus is adapted for use with an auxiliary power supply system of the type including a voltage transformer, a bridge rectifier, and an inverter.

Info

Publication number
TW345549B
TW345549B TW085113833A TW85113833A TW345549B TW 345549 B TW345549 B TW 345549B TW 085113833 A TW085113833 A TW 085113833A TW 85113833 A TW85113833 A TW 85113833A TW 345549 B TW345549 B TW 345549B
Authority
TW
Taiwan
Prior art keywords
voltage
rectifier
supply system
power supply
voltage data
Prior art date
Application number
TW085113833A
Other languages
English (en)
Chinese (zh)
Inventor
Shianq-Yow Chyi
Whan Park Yoon
Original Assignee
Daewoo Heavy Ind 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 Daewoo Heavy Ind Ltd filed Critical Daewoo Heavy Ind Ltd
Application granted granted Critical
Publication of TW345549B publication Critical patent/TW345549B/zh

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
    • H02H7/125—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 rectifiers
    • H02H7/1252—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 rectifiers responsive to overvoltage in input or output, e.g. by load dump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Protection Of Static Devices (AREA)
TW085113833A 1995-08-16 1996-11-11 Failure detection and circuit cutoff apparatus and method for use in an electromotive railcar the apparatus is adapted for use with an auxiliary power supply system of the type including a voltage transformer, a bridge rectifier, and an inverter. TW345549B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950021097U KR0133492Y1 (ko) 1995-08-16 1995-08-16 보조 전원장치 보호회로

Publications (1)

Publication Number Publication Date
TW345549B true TW345549B (en) 1998-11-21

Family

ID=19420853

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085113833A TW345549B (en) 1995-08-16 1996-11-11 Failure detection and circuit cutoff apparatus and method for use in an electromotive railcar the apparatus is adapted for use with an auxiliary power supply system of the type including a voltage transformer, a bridge rectifier, and an inverter.

Country Status (2)

Country Link
KR (1) KR0133492Y1 (ko)
TW (1) TW345549B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000074686A (ko) * 1999-05-25 2000-12-15 김성현 단상 전파 위상 제어 정류기의 에스 씨 알 게이트 트리거 방법
KR20010039138A (ko) * 1999-10-29 2001-05-15 이구택 단상전파 위상제어정류기의 에스씨알 게이트 트리거 방법
KR100881086B1 (ko) * 2007-09-06 2009-01-30 현대로템 주식회사 철도차량 전원공급시스템

Also Published As

Publication number Publication date
KR970011422U (ko) 1997-03-29
KR0133492Y1 (ko) 1999-04-15

Similar Documents

Publication Publication Date Title
KR930007048A (ko) 상이한 용량을 갖는 상이한 형태의 교류전원을 공통모선에 병렬연결가능한 전력변환방법 및 장치
KR910010823A (ko) Ac 모터 제어장치
KR890005948A (ko) 무정전전력공급장치(ups)에 있어서의 역전력 흐름을 방지하기 위한 백업보호스위치
KR850008069A (ko) 전원시스템 및 그의 제어방법
KR860003698A (ko) 자기소호 소자를 구비한 전류형 전력변환장치
US20050047035A1 (en) Method and apparatus for detecting faults in AC to AC, or DC to AC power conversion equipments when the equipment is in a high impedance mode
US11644506B2 (en) Power switch fault detection method and power switch fault detection circuit
US5717335A (en) Electric bulb short detection apparatus for traffic signal controller
US5646462A (en) DC voltage bypass power system architecture
TW345549B (en) Failure detection and circuit cutoff apparatus and method for use in an electromotive railcar the apparatus is adapted for use with an auxiliary power supply system of the type including a voltage transformer, a bridge rectifier, and an inverter.
US4150325A (en) Power conversion system having inversion fault detection and correction circuit
CN102046091A (zh) 用于控制dc-ac转换器的x射线设备
CN213693453U (zh) 一种功率开关故障自检电路、变频器及空调设备
CN211151512U (zh) 漏电保护电路
EP0214691B1 (en) Monitor system for traffic-lights
WO2024065784A1 (en) Protection apparatus and protection method for driver, and driver
CN210839066U (zh) 用于地铁站台门系统的应急供电装置
JP2548738B2 (ja) Ｐｗｍコンバータ装置
GB1296229A (ko)
JPH08280176A (ja) 電源装置
JPS61260169A (ja) 交流信号検出回路
JPH01152966A (ja) 停電検出装置
KR940001785B1 (ko) 3상 정류전압의 위상제어장치
KR100193610B1 (ko) 적정 전원 감지 회로
KR910009075B1 (ko) 순간 정전 방지회로