KR910002063A - Open phase and reverse phase detection relay device - Google Patents

Open phase and reverse phase detection relay device Download PDF

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Publication number
KR910002063A
KR910002063A KR1019890008463A KR890008463A KR910002063A KR 910002063 A KR910002063 A KR 910002063A KR 1019890008463 A KR1019890008463 A KR 1019890008463A KR 890008463 A KR890008463 A KR 890008463A KR 910002063 A KR910002063 A KR 910002063A
Authority
KR
South Korea
Prior art keywords
gate
comparator
reverse phase
detection relay
relay device
Prior art date
Application number
KR1019890008463A
Other languages
Korean (ko)
Other versions
KR0121575B1 (en
Inventor
김인석
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 KR1019890008463A priority Critical patent/KR0121575B1/en
Publication of KR910002063A publication Critical patent/KR910002063A/en
Application granted granted Critical
Publication of KR0121575B1 publication Critical patent/KR0121575B1/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

Abstract

내용 없음No content

Description

결상 및 역상신호검출 릴레이 장치Open phase and reverse phase detection relay device

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

제 1도 내지 제3도는 본 발명을 설명키 위한 회로도, 제1도(가)는 역상검출회로의 실시예도, (나)는 결상검출회로의 실시예도,1 to 3 are circuit diagrams for explaining the present invention, FIG.

제 2도는 작용설명도이며,2 is a diagram explaining the operation,

제 3도는 역상검출회로의 다른 실시예의 회로도이다.3 is a circuit diagram of another embodiment of a reverse phase detection circuit.

Claims (1)

수개의 저항(R1-R4)으로 전압분배하여 비교기(OP5-OP8)에 기준전압으로 인가토록 되고, 변류기(CT1-CT3)의 출력신호를 비교기(OP4)에 의해 검출증폭하여 비교기(OP8)를 제어함으로써 AND게이트(G3, G4)를 반전시켜 트랜지스터(Tr1)를 제어하는 과전류 감지회로와, 익스크루시브오아게이트(X-OR1~X-OR3)또는 NAND게이트(G7-G9) 및 저항(R8-R10)의 분배전압에 의해 비교기(OR9)로 비교된 신호를 콘덴서(C1)와 저항(R11)으로된 미분회로에 의해 비교긱(OP10)로 비교하여 AND게이트(G1)로 트랜지스터(Tr1)을 제어하는 역상검출회로와, 트랜지스터(Tr3-Tr5)의 콜렉터에 분배저항으로 전압분배 AND게이트(G4)의 입력단과 다이오드(D11-D13)을 통해 AND게이트(G23)의 입력단에 연결되고 출력을 AND게이트(G6)를 통해 결상검출회로를 구비하여서 되는 것을 특징으로 하는 결상 및 역상 신호검출 릴레이장치.The voltage is divided by several resistors (R 1- R 4 ) and applied to the comparator (OP 5 -OP 8 ) as a reference voltage, and the output signal of the current transformer (CT 1 -CT 3 ) is detected by the comparator (OP 4 ). An overcurrent sensing circuit for controlling the transistor Tr 1 by inverting the AND gates G 3 and G 4 by amplifying and controlling the comparator OP 8 , and an exclusive oar gate (X-OR 1 to X-OR 3). Or a differential circuit consisting of a capacitor (C 1 ) and a resistor (R 11 ) of a signal compared to a comparator (OR 9 ) by the distribution voltages of the NAND gates (G 7 -G 9 ) and resistors (R 8 -R 10 ). The reverse phase detection circuit controls the transistor Tr 1 with the AND gate G 1 compared with the comparison OP 10 , and the voltage division AND gate with the divider resistor in the collectors of the transistors Tr 3 -Tr 5 . G 4) at the input terminal and the diode (D 11 -D 13) through a special hayeoseo being connected to the input of the aND gate (G 23) is provided with a phase loss detection circuit through a gate the output aND (G 6) Focusing and reverse phase signal detection relay apparatus as. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890008463A 1989-06-20 1989-06-20 Relay apparatus with detecting an absent phase and reverse phase KR0121575B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890008463A KR0121575B1 (en) 1989-06-20 1989-06-20 Relay apparatus with detecting an absent phase and reverse phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890008463A KR0121575B1 (en) 1989-06-20 1989-06-20 Relay apparatus with detecting an absent phase and reverse phase

Publications (2)

Publication Number Publication Date
KR910002063A true KR910002063A (en) 1991-01-31
KR0121575B1 KR0121575B1 (en) 1997-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890008463A KR0121575B1 (en) 1989-06-20 1989-06-20 Relay apparatus with detecting an absent phase and reverse phase

Country Status (1)

Country Link
KR (1) KR0121575B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100335137B1 (en) * 2000-02-01 2002-05-04 이종수 Device for detecting signal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180001149U (en) 2016-10-17 2018-04-25 한국전력공사 Skirt for extending leakage distance of connection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100335137B1 (en) * 2000-02-01 2002-05-04 이종수 Device for detecting signal

Also Published As

Publication number Publication date
KR0121575B1 (en) 1997-11-22

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