JPS5769262A - Device for measuring electric circuit - Google Patents

Device for measuring electric circuit

Info

Publication number
JPS5769262A
JPS5769262A JP14549480A JP14549480A JPS5769262A JP S5769262 A JPS5769262 A JP S5769262A JP 14549480 A JP14549480 A JP 14549480A JP 14549480 A JP14549480 A JP 14549480A JP S5769262 A JPS5769262 A JP S5769262A
Authority
JP
Japan
Prior art keywords
contact point
measured
case
output
transformer
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
JP14549480A
Other languages
Japanese (ja)
Inventor
Seikichi Nagai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14549480A priority Critical patent/JPS5769262A/en
Publication of JPS5769262A publication Critical patent/JPS5769262A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

PURPOSE:To discriminate ON and OFF of a contact point to be measured by connecting a measuring circuit to a contact point in parallel, providing a current sensing transformer between said measuring circuit and the contact point to be measured, and observing the output thereof. CONSTITUTION:In the case the contact point SW2 is ON and the contact point to be measured SW1 is OFF, currents iL+iM are flowed in the transformer CT twice and cancelled. In the case both SW1 and SW2 are ON, iM2 and iL2 are cancelled, iL1+iM1 remain, and the output appears at CT. In the case SW2 is OFF is SW1 is ON, the primary current of CT becomes iL+iM, and the output appears. In the case both SW1 and SW2 are OFF, both the load current iL and the measuring current iM are zero, and no output appears at CT. Therefore the state of the contact point to be measured SW1 can be discriminated by the output of the transformer regardless of the state SW2.
JP14549480A 1980-10-16 1980-10-16 Device for measuring electric circuit Pending JPS5769262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14549480A JPS5769262A (en) 1980-10-16 1980-10-16 Device for measuring electric circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14549480A JPS5769262A (en) 1980-10-16 1980-10-16 Device for measuring electric circuit

Publications (1)

Publication Number Publication Date
JPS5769262A true JPS5769262A (en) 1982-04-27

Family

ID=15386553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14549480A Pending JPS5769262A (en) 1980-10-16 1980-10-16 Device for measuring electric circuit

Country Status (1)

Country Link
JP (1) JPS5769262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798737A (en) * 1987-04-07 1989-01-17 Balanced Energy Company Pelletization of low-titer lipids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798737A (en) * 1987-04-07 1989-01-17 Balanced Energy Company Pelletization of low-titer lipids

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