JPS56154671A - Load surveying system for electric-power - Google Patents

Load surveying system for electric-power

Info

Publication number
JPS56154671A
JPS56154671A JP5750880A JP5750880A JPS56154671A JP S56154671 A JPS56154671 A JP S56154671A JP 5750880 A JP5750880 A JP 5750880A JP 5750880 A JP5750880 A JP 5750880A JP S56154671 A JPS56154671 A JP S56154671A
Authority
JP
Japan
Prior art keywords
load
battery
power
meter
built
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.)
Granted
Application number
JP5750880A
Other languages
Japanese (ja)
Other versions
JPS6251429B2 (en
Inventor
Ryoji Gamo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP5750880A priority Critical patent/JPS56154671A/en
Publication of JPS56154671A publication Critical patent/JPS56154671A/en
Publication of JPS6251429B2 publication Critical patent/JPS6251429B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/17—Compensating for errors; Adjusting or regulating means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

PURPOSE:To improve the operability of an electric-power load surveying system and prolong the life of the battery therefor by a method wherein said system is driven by means of the built-in DC supply source of a watthour meter in normal conditions and by means of a built-in battery only when its voltage is abnormal. CONSTITUTION:According to the rotation of a signal disc, a switch SW of a watthour meter 1 performs an intermittent switching operation, and a signal having positive and negative amplitudes is inputted between input terminals d' and c' of a load surveying meter 2 from a DC power circuit 10. Said voltage is supplied through a rectifying circuit S to an IC load 22 and through a pulse input circuit 21 to a counter as a watthour pulse as well. On the other hand, in case of a power failure, the voltage VB from a built-in battery 23 on the side of the load surveying meter 2 is supplied through a diode D2 to the IC load 22. Thereby, because the battery is used only when there is a power failure, the life thereof is prolonged, and the reliability of the load survey data can be improved.
JP5750880A 1980-04-30 1980-04-30 Load surveying system for electric-power Granted JPS56154671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5750880A JPS56154671A (en) 1980-04-30 1980-04-30 Load surveying system for electric-power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5750880A JPS56154671A (en) 1980-04-30 1980-04-30 Load surveying system for electric-power

Publications (2)

Publication Number Publication Date
JPS56154671A true JPS56154671A (en) 1981-11-30
JPS6251429B2 JPS6251429B2 (en) 1987-10-29

Family

ID=13057671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5750880A Granted JPS56154671A (en) 1980-04-30 1980-04-30 Load surveying system for electric-power

Country Status (1)

Country Link
JP (1) JPS56154671A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128370U (en) * 1986-02-04 1987-08-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128370U (en) * 1986-02-04 1987-08-14

Also Published As

Publication number Publication date
JPS6251429B2 (en) 1987-10-29

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