JPS5243468A - Method of calculating effective value - Google Patents

Method of calculating effective value

Info

Publication number
JPS5243468A
JPS5243468A JP11875875A JP11875875A JPS5243468A JP S5243468 A JPS5243468 A JP S5243468A JP 11875875 A JP11875875 A JP 11875875A JP 11875875 A JP11875875 A JP 11875875A JP S5243468 A JPS5243468 A JP S5243468A
Authority
JP
Japan
Prior art keywords
effective value
value
calculating effective
sampling value
calculation
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
JP11875875A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Takayuki Matsuda
Haruo Nohara
Yoshiteru Miki
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
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP11875875A priority Critical patent/JPS5243468A/en
Publication of JPS5243468A publication Critical patent/JPS5243468A/en
Pending legal-status Critical Current

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Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE: To take out the sine wave function corresponding to the phase angle of sampling value from the table having been stored beforehand, according to the value when the instantaneous value of the sampling value becomes zero, thereby making possible the calculation in a relatively short time.
COPYRIGHT: (C)1977,JPO&Japio
JP11875875A 1975-10-03 1975-10-03 Method of calculating effective value Pending JPS5243468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11875875A JPS5243468A (en) 1975-10-03 1975-10-03 Method of calculating effective value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11875875A JPS5243468A (en) 1975-10-03 1975-10-03 Method of calculating effective value

Publications (1)

Publication Number Publication Date
JPS5243468A true JPS5243468A (en) 1977-04-05

Family

ID=14744318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11875875A Pending JPS5243468A (en) 1975-10-03 1975-10-03 Method of calculating effective value

Country Status (1)

Country Link
JP (1) JPS5243468A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01267465A (en) * 1988-04-18 1989-10-25 Fuji Electric Co Ltd System for sampling ac quantity

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027391A (en) * 1973-07-16 1975-03-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027391A (en) * 1973-07-16 1975-03-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01267465A (en) * 1988-04-18 1989-10-25 Fuji Electric Co Ltd System for sampling ac quantity

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