KR970000419Y1 - Checking of three-phase circuit - Google Patents

Checking of three-phase circuit Download PDF

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Publication number
KR970000419Y1
KR970000419Y1 KR2019940015678U KR19940015678U KR970000419Y1 KR 970000419 Y1 KR970000419 Y1 KR 970000419Y1 KR 2019940015678 U KR2019940015678 U KR 2019940015678U KR 19940015678 U KR19940015678 U KR 19940015678U KR 970000419 Y1 KR970000419 Y1 KR 970000419Y1
Authority
KR
South Korea
Prior art keywords
checking
phase circuit
phase
circuit
Prior art date
Application number
KR2019940015678U
Other languages
Korean (ko)
Other versions
KR960002646U (en
Inventor
최봉일
Original Assignee
신아전기공업 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 신아전기공업 주식회사 filed Critical 신아전기공업 주식회사
Priority to KR2019940015678U priority Critical patent/KR970000419Y1/en
Publication of KR960002646U publication Critical patent/KR960002646U/en
Application granted granted Critical
Publication of KR970000419Y1 publication Critical patent/KR970000419Y1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/04—Voltage dividers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
KR2019940015678U 1994-06-29 1994-06-29 Checking of three-phase circuit KR970000419Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940015678U KR970000419Y1 (en) 1994-06-29 1994-06-29 Checking of three-phase circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940015678U KR970000419Y1 (en) 1994-06-29 1994-06-29 Checking of three-phase circuit

Publications (2)

Publication Number Publication Date
KR960002646U KR960002646U (en) 1996-01-22
KR970000419Y1 true KR970000419Y1 (en) 1997-01-20

Family

ID=19387043

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940015678U KR970000419Y1 (en) 1994-06-29 1994-06-29 Checking of three-phase circuit

Country Status (1)

Country Link
KR (1) KR970000419Y1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100576187B1 (en) * 1999-01-15 2006-05-03 오티스엘리베이터 유한회사 Supervisory circuit for power supply
KR100726953B1 (en) * 2006-10-02 2007-06-14 위니아만도 주식회사 Compressor contracting structure of kimchi's refrigerator
CN106569015B (en) * 2015-10-13 2019-10-18 泰科电子(上海)有限公司 AC load detection circuit
KR102569977B1 (en) * 2022-10-18 2023-08-23 상도일렉트릭 주식회사 4-pole circuit breaker including neutral wire and method for cutting off power by detecting phase loss on power supply side and neutral wire erroneous connection

Also Published As

Publication number Publication date
KR960002646U (en) 1996-01-22

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee