KR980006702A - Power supply of electric car - Google Patents

Power supply of electric car Download PDF

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Publication number
KR980006702A
KR980006702A KR1019960020852A KR19960020852A KR980006702A KR 980006702 A KR980006702 A KR 980006702A KR 1019960020852 A KR1019960020852 A KR 1019960020852A KR 19960020852 A KR19960020852 A KR 19960020852A KR 980006702 A KR980006702 A KR 980006702A
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KR
South Korea
Prior art keywords
current
switch
load
relay
battery
Prior art date
Application number
KR1019960020852A
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Korean (ko)
Other versions
KR100218090B1 (en
Inventor
이원기
Original Assignee
추호석
대우중공업 주식회사
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.)
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Application filed by 추호석, 대우중공업 주식회사 filed Critical 추호석
Priority to KR1019960020852A priority Critical patent/KR100218090B1/en
Priority to US08/662,157 priority patent/US5701980A/en
Priority to JP15264296A priority patent/JPH0937406A/en
Publication of KR980006702A publication Critical patent/KR980006702A/en
Application granted granted Critical
Publication of KR100218090B1 publication Critical patent/KR100218090B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
    • B60M3/04—Arrangements for cutting in and out of individual track sections
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/24—Pantographs
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/30—Railway vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

본 발명은 전철의 가선이 정전되었을 때 전동차의 부하를 밧데리로부터 즉시 차단하여 밧데리의 과방전을 방지할 수 있는 전동차의 전원장치를 제공한다.The present invention provides an electric vehicle power supply device capable of preventing the overdischarge of the battery by immediately blocking the load of the electric vehicle from the battery when the wire of the train is out of power.

본 발명의 전원장치는 가선으로부터 판토그래프를 통해서 입력되는 고압의 전류를 제1 및 제2의 전류출력라인을 통해 부하로 공급하는 것으로서, 상기 고압의 외부전류를 저압의 구동전류로 변환하여 상기 부하로 공급하는 스테이틱 인버터와, 상기 스테이틱 인버터 및 상기 부하에 전기적으로 접속되어 스테이틱 인버터로 부터의 전류를 충전하거나 충전된 전류를 부하로 방전하는 밧데리와, 상기 부하를 밧데리에 연결하거나 양자의 연결을 차단하도록 상기 제1의 출력라인에 설치된 방전방지 스위치 수단과, 상기 스테이틱 인버터에 전류가 입력될 때에는 상기 방전방지 스위치 수단을 폐쇄시키고, 상기 인버터에 전류가 입력되지 않을 때에는 상기 방전방지 스위치 수단을 개방시키는 방전제어수단으로 구성된다.The power supply device of the present invention supplies a high voltage current input from a wire through a pantograph to a load through first and second current output lines, and converts the external high voltage current into a low voltage driving current to load the load. A static inverter for supplying to the static electricity, a battery electrically connected to the static inverter and the load, for charging current from the static inverter or discharging the charged current to the load, and connecting the load to the battery or both. A discharge preventing switch means provided at the first output line to close the connection; and closing the discharge preventing switch means when a current is input to the static inverter, and closing the discharge preventing switch when a current is not input to the inverter. Discharge control means for opening the means.

Description

전동차의 전원장치Power supply of electric car

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 전동차의 전원장치를 나타내는 회로도이다.1 is a circuit diagram showing a power supply device for an electric vehicle according to the present invention.

Claims (6)

가선으로부터 판토그래프를 통해서 입력되는 고압의 외부 전류를 저압의 구동전류를 변환하여 제1 및 제2의 전류출력라인을 통해 부하로 공급하는 전동차의 전원장치에 있어서, 상기 고압의 외부전류를 저압의 구동전류로 변환하여 상기 부하로 공급하는 스테이틱 인버터와, 상기 스테이틱 인버터 및 상기 부하에 전기적으로 접속되어 스테이틱 인버터로 부터의 전류를 충전하거나 충전된 전류를 부하로 방전하는 밧데리와, 상기 부하를 밧데리에 연결하거나 양자의 연결을 차단하는 방전방지 스위치 수단과, 상기 스테이틱 인버터에 외부전류가 입력될 때에는 상기 방전방지 스위치 수단을 폐쇄시키고, 상기 스테이틱 인버터에 외부전류가 입력되지 않을 때에는 상기 방전방지 스위치 수단을 개방시키는 방전제어수단과, 상기 방전제어수단과 협동하여 상기 방전방지 스위치 수단을 폐쇄시킴으로써 밧데리에 저장된 전류가 부하로 공급되도록 하는 수동식 비상스위치 수단을 포함하는 전동차의 전원장치.A power supply of an electric vehicle which converts a high-voltage external current input from a wire through a pantograph to a low-voltage driving current and supplies it to a load through first and second current output lines. A static inverter converting into a driving current to supply the load, a battery electrically connected to the static inverter and the load to charge a current from the static inverter or discharge a charged current to the load, and the load The discharge prevention switch means for connecting the battery to the battery or disconnecting the connection between the battery and the discharge protection switch means when the external current is input to the static inverter, and when the external current is not input to the static inverter. Discharge control means for opening the discharge preventing switch means, and in cooperation with the discharge control means; Power supply unit of an electric rail vehicle, including a hand-operated emergency switch means such that current is stored in batteries supplied to the load by closing the discharge preventing switching means. 제1항에 있어서,The method of claim 1, 상기 방전제어수단이, 상기 제1 및 제2의 전류출력라인 상이에 병렬로 설치된 제1의 상시개방형 릴레이스위치 및 제2의 상시폐쇄형 릴레이 스위치와, 상기 스테이틱 인버터에 전류가 입력되지 않을 때 상기 제1의 릴레이 스위치를 개방시키는 제1의 릴레이와, 상기 제1의 릴레이 스위치가 개방되었을 때 상기 제2의 릴레이 스위치를 폐쇄시키는 제2의 릴레이와, 상기 제2의 스위치가 패쇄되었을 때 상기 방전방지 스위치 수단으로 하여금 상기 부하와 밧데리를 차단하도록 하는 제3의 릴레이로 이루어지는 것을 특징으로 하는 전동차의 전원장치.When the discharge control means, the first normally open relay switch and the second normally closed relay switch installed in parallel between the first and second current output line and the current is not input to the static inverter A first relay for opening the first relay switch, a second relay for closing the second relay switch when the first relay switch is opened, and when the second switch is closed And a third relay configured to cause the discharge preventing switch means to cut off the load and the battery. 제2항에 있어서,The method of claim 2, 상기 방전방지 스위치 수단이 상시폐쇄형 릴레이 스위치인 것을 특징으로 하는 전동차의 전원장치.And the discharge preventing switch means is a normally closed relay switch. 제2항에 있어서,The method of claim 2, 초기전원 스위치, 판토그래프 상승 스위치 및 판토그래프 하강 스위치를 개재하여 상기 밧데리에 연결된 판토그래프 작동기를 추가로 구비하는 것을 특징으로 하는 전동차의 전원장치.And a pantograph actuator connected to the battery via an initial power switch, a pantograph up switch, and a pantograph down switch. 제4항에 있어서,The method of claim 4, wherein 상기 판토그래프 하강스우치가 상시개방형 릴레이 스위치이고, 상기 스테이틱인버터에 전류가 입력되지 않을 때 상기 판토그래프 하강스위치를 폐쇄시켜 상기 판토그래프 작동기로 하여금 상기 판토그래프를 하강시키도록 하는 제4의 릴레이를 추가로 포함하는 것을 특징으로 하는 전동차의 전원장치.The pantograph downswitch is a normally open relay switch, and when the current is not input to the static inverter, a fourth relay for closing the pantograph down switch to cause the pantograph actuator to lower the pantograph. Power supply of the electric vehicle, characterized in that it further comprises. 상기 비상스위치수단이, 밧데리의 전류를 제2의 릴레이로 공급할 수 있도록 상기 밧데리와 제2의 릴레이 사이에 설치되어 있는 것을 특징으로 하는 전동차의 전원장치.And the emergency switch means is provided between the battery and the second relay so as to supply current from the battery to the second relay. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960020852A 1995-06-13 1996-06-11 Power supply of electric car KR100218090B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019960020852A KR100218090B1 (en) 1996-06-11 1996-06-11 Power supply of electric car
US08/662,157 US5701980A (en) 1995-06-13 1996-06-12 Power supply device for an electromotive railcar
JP15264296A JPH0937406A (en) 1995-06-13 1996-06-13 Power supply for motor car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960020852A KR100218090B1 (en) 1996-06-11 1996-06-11 Power supply of electric car

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KR980006702A true KR980006702A (en) 1998-03-30
KR100218090B1 KR100218090B1 (en) 1999-09-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100856465B1 (en) * 2006-09-22 2008-09-04 오성기전주식회사 disconnecting switch and safety managing system of electric car line
KR101478081B1 (en) * 2013-02-27 2014-12-31 현대로템 주식회사 Propulsion system applied dual voltage ac and dc

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034635B1 (en) 2005-11-17 2011-05-16 현대중공업 주식회사 Battery cut off method
KR100878661B1 (en) 2007-07-13 2009-01-15 현대자동차주식회사 System for discharging super capacitor of fuel cell vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100856465B1 (en) * 2006-09-22 2008-09-04 오성기전주식회사 disconnecting switch and safety managing system of electric car line
KR101478081B1 (en) * 2013-02-27 2014-12-31 현대로템 주식회사 Propulsion system applied dual voltage ac and dc

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Publication number Publication date
KR100218090B1 (en) 1999-09-01

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