KR900004071A - Electronic voltage relay - Google Patents

Electronic voltage relay Download PDF

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Publication number
KR900004071A
KR900004071A KR1019880011012A KR880011012A KR900004071A KR 900004071 A KR900004071 A KR 900004071A KR 1019880011012 A KR1019880011012 A KR 1019880011012A KR 880011012 A KR880011012 A KR 880011012A KR 900004071 A KR900004071 A KR 900004071A
Authority
KR
South Korea
Prior art keywords
gate
circuit
voltage relay
electronic voltage
resistor
Prior art date
Application number
KR1019880011012A
Other languages
Korean (ko)
Other versions
KR910002456B1 (en
Inventor
엄기석
Original Assignee
김인석
삼화기연 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.)
Filing date
Publication date
Application filed by 김인석, 삼화기연 주식회사 filed Critical 김인석
Priority to KR1019880011012A priority Critical patent/KR910002456B1/en
Publication of KR900004071A publication Critical patent/KR900004071A/en
Application granted granted Critical
Publication of KR910002456B1 publication Critical patent/KR910002456B1/en

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Classifications

    • 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
    • H02H3/20—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 excess voltage
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • 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
    • H02H3/12—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 underload or no-load
    • H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
    • 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
    • H02H3/24—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 undervoltage or no-voltage

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

내용 없음.No content.

Description

전자식 전압 계전기Electronic voltage relay

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

삼성전원단자 R-S 사이에 브리지다이오드의 직류 2차측에 가변저항에 의한 과전압 감지회로와 부족 전압 감지회로가 구성되고 또한 역상 감지회로가 구성되어 각 회로의 출력은 NOT 게이트에 의해 반전시켜 발광다이오드를 점등시키도록됨과 동시에 다이오드로 휘드백된 AND 게이트가 연결되고 그 신호를 AND (A4)의 일측 입력에 주어 발생되는 신호를 NOT 게이트로 반전시켜 릴레이의 코일을 여자하도록 되고, 직류 전원회로가 각 회로에 전원을 공급하도록 되는 것을 특징으로 하는 전자식 전압 계전기.Overvoltage detection circuit and undervoltage detection circuit by variable resistor are composed on DC secondary side of bridge diode between Samsung power supply terminal RS, and reverse phase detection circuit is composed, and the output of each circuit is inverted by NOT gate to light LED. At the same time, the AND gate fed back to the diode is connected and the signal is given to one input of AND (A 4 ) to invert the generated signal to the NOT gate to excite the coil of the relay. An electronic voltage relay, characterized in that to supply power. 청구의 범위 제1항 기재의 과전압 감지회로는 가변저항(VR1)의 가동단자에 저항(R5)을 통해 에미터접지된 트랜지스터(TR1)를 도통도록 되고 그 출력을 NOT 게이트(G1)로 반전시켜 발광다이오드(LED1)와 AND 게이트(A4)의 입력측에 인가해 주도록 되는 것을 특징으로 하는 전자식 전압 계전기.The overvoltage sensing circuit of claim 1 is configured to conduct an emitter grounded transistor TR 1 through a resistor R 5 to a movable terminal of the variable resistor VR 1 , and outputs the NOT gate G 1. And inverts to the input side of the light emitting diode (LED 1 ) and the AND gate (A 4 ). 청구의 범위 제1항에 있어서, 부족전압 감지회로는 가변저항 (VR3)의 가동단자와 에미터접지된 트랜지스터(TR2)의 베이스사이에 저항(R10)이 연결되고 그 출력은 NOT 게이트(G2)와 (G3)로 반전시켜 발광다이오드(LED2)와 AND 게이트(A4)의 입력측에 송출하도록 되는 전자식 전압 계전기.The undervoltage detection circuit of claim 1, wherein the undervoltage detecting circuit has a resistor R 10 connected between the movable terminal of the variable resistor VR 3 and the base of the emitter grounded transistor TR 2 and its output is a NOT gate. An electronic voltage relay inverted into (G 2 ) and (G 3 ) to be sent to the input side of the light emitting diode (LED 2 ) and the AND gate (A 4 ). 청구의 범위 제1항에 있어서 역상 감지회로는 단자(T)에 콘덴서(C12)와 저항(R20)이 트랜지스터(TR3)의 베이스에 연결되고 에미터는 제너다이오드(ZD3)를 통해 포토커플러(PC)의 발광체를 발광시켜 NOT 게이트(G4)를 반전토록 되는 전자식 전압 계전기.The reverse phase sensing circuit of claim 1 has a capacitor C 12 and a resistor R 20 connected to a base of a transistor TR 3 at a terminal T, and an emitter connected to a photodiode through a zener diode ZD 3 . An electronic voltage relay that emits light from a coupler (PC) to invert the NOT gate (G 4 ). 청구의 범위 제1항에 있어서 조작전원(L1, L2)사이의 브리지다이오드(BD1)의 직류출력전원으로 축전지(BD)를 충전하도록 되고 축전지의 직류전원으로 각 회로에 전원을 공급하도록 되는 전자식 전압 계전기.The method according to claim 1, wherein the battery BD is charged with the DC output power of the bridge diode BD 1 between the operation power sources L 1 and L 2 and the power is supplied to each circuit by the DC power supply of the battery. Electronic voltage relay. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880011012A 1988-08-30 1988-08-30 Voltage relay KR910002456B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880011012A KR910002456B1 (en) 1988-08-30 1988-08-30 Voltage relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880011012A KR910002456B1 (en) 1988-08-30 1988-08-30 Voltage relay

Publications (2)

Publication Number Publication Date
KR900004071A true KR900004071A (en) 1990-03-27
KR910002456B1 KR910002456B1 (en) 1991-04-22

Family

ID=19277223

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011012A KR910002456B1 (en) 1988-08-30 1988-08-30 Voltage relay

Country Status (1)

Country Link
KR (1) KR910002456B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133146A1 (en) * 2016-02-05 2017-08-10 ZIH YUAN TANG Biotechnology Co., Ltd New use of isoquinoline derivatives for diabetic wound healing

Also Published As

Publication number Publication date
KR910002456B1 (en) 1991-04-22

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