KR890019693U - Reverse and phase detection circuit of 3-phase power supply - Google Patents

Reverse and phase detection circuit of 3-phase power supply

Info

Publication number
KR890019693U
KR890019693U KR2019880003806U KR880003806U KR890019693U KR 890019693 U KR890019693 U KR 890019693U KR 2019880003806 U KR2019880003806 U KR 2019880003806U KR 880003806 U KR880003806 U KR 880003806U KR 890019693 U KR890019693 U KR 890019693U
Authority
KR
South Korea
Prior art keywords
phase
reverse
power supply
detection circuit
phase power
Prior art date
Application number
KR2019880003806U
Other languages
Korean (ko)
Other versions
KR930007960Y1 (en
Inventor
김기인
Original Assignee
금성기전 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 금성기전 주식회사 filed Critical 금성기전 주식회사
Priority to KR2019880003806U priority Critical patent/KR930007960Y1/en
Publication of KR890019693U publication Critical patent/KR890019693U/en
Application granted granted Critical
Publication of KR930007960Y1 publication Critical patent/KR930007960Y1/en

Links

Classifications

    • 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
    • G01R29/18—Indicating phase sequence; Indicating synchronism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR2019880003806U 1988-03-22 1988-03-22 Reverse and faulting phase detecting circuit of 3 phase power source KR930007960Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880003806U KR930007960Y1 (en) 1988-03-22 1988-03-22 Reverse and faulting phase detecting circuit of 3 phase power source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880003806U KR930007960Y1 (en) 1988-03-22 1988-03-22 Reverse and faulting phase detecting circuit of 3 phase power source

Publications (2)

Publication Number Publication Date
KR890019693U true KR890019693U (en) 1989-10-05
KR930007960Y1 KR930007960Y1 (en) 1993-11-27

Family

ID=19273423

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880003806U KR930007960Y1 (en) 1988-03-22 1988-03-22 Reverse and faulting phase detecting circuit of 3 phase power source

Country Status (1)

Country Link
KR (1) KR930007960Y1 (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

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
KR930007960Y1 (en) 1993-11-27

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Legal Events

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
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FPAY Annual fee payment

Payment date: 20020910

Year of fee payment: 10

EXPY Expiration of term