JPS5214846A - Unbalance detection relaying system - Google Patents

Unbalance detection relaying system

Info

Publication number
JPS5214846A
JPS5214846A JP50090089A JP9008975A JPS5214846A JP S5214846 A JPS5214846 A JP S5214846A JP 50090089 A JP50090089 A JP 50090089A JP 9008975 A JP9008975 A JP 9008975A JP S5214846 A JPS5214846 A JP S5214846A
Authority
JP
Japan
Prior art keywords
relaying system
unbalance detection
detection relaying
unbalance
speedily
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50090089A
Other languages
Japanese (ja)
Inventor
Terunobu Miyazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50090089A priority Critical patent/JPS5214846A/en
Publication of JPS5214846A publication Critical patent/JPS5214846A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/62—Testing of transformers
    • 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
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity

Abstract

PURPOSE: An unbalance detection relaying system which can detect speedily and easily an unbalance between any number of quantity of electricity with one inp input device for each winding.
COPYRIGHT: (C)1977,JPO&Japio
JP50090089A 1975-07-25 1975-07-25 Unbalance detection relaying system Pending JPS5214846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50090089A JPS5214846A (en) 1975-07-25 1975-07-25 Unbalance detection relaying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50090089A JPS5214846A (en) 1975-07-25 1975-07-25 Unbalance detection relaying system

Publications (1)

Publication Number Publication Date
JPS5214846A true JPS5214846A (en) 1977-02-04

Family

ID=13988785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50090089A Pending JPS5214846A (en) 1975-07-25 1975-07-25 Unbalance detection relaying system

Country Status (1)

Country Link
JP (1) JPS5214846A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281976U (en) * 1988-12-15 1990-06-25
WO2019219196A1 (en) * 2018-05-17 2019-11-21 Siemens Aktiengesellschaft Method and device for identifying an inter-turn short circuit in parallel windings

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281976U (en) * 1988-12-15 1990-06-25
WO2019219196A1 (en) * 2018-05-17 2019-11-21 Siemens Aktiengesellschaft Method and device for identifying an inter-turn short circuit in parallel windings
CN112154585A (en) * 2018-05-17 2020-12-29 西门子股份公司 Method and device for detecting turn-to-turn short circuits in windings arranged in parallel

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