JPS60194716A - 過電流保護継電器の振幅２乗値の判定方法 - Google Patents

過電流保護継電器の振幅２乗値の判定方法

Info

Publication number
JPS60194716A
JPS60194716A JP59045713A JP4571384A JPS60194716A JP S60194716 A JPS60194716 A JP S60194716A JP 59045713 A JP59045713 A JP 59045713A JP 4571384 A JP4571384 A JP 4571384A JP S60194716 A JPS60194716 A JP S60194716A
Authority
JP
Japan
Prior art keywords
cos
equation
frequency
value
current
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
JP59045713A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0219691B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
藤井　重夫
畑田　稔
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 JP59045713A priority Critical patent/JPS60194716A/ja
Publication of JPS60194716A publication Critical patent/JPS60194716A/ja
Publication of JPH0219691B2 publication Critical patent/JPH0219691B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP59045713A 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法 Granted JPS60194716A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59045713A JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59045713A JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Publications (2)

Publication Number Publication Date
JPS60194716A true JPS60194716A (ja) 1985-10-03
JPH0219691B2 JPH0219691B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-02

Family

ID=12726987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59045713A Granted JPS60194716A (ja) 1984-03-12 1984-03-12 過電流保護継電器の振幅２乗値の判定方法

Country Status (1)

Country Link
JP (1) JPS60194716A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63242117A (ja) * 1987-03-28 1988-10-07 株式会社明電舎 デジタル型保護継電装置
JP2012093137A (ja) * 2010-10-25 2012-05-17 Mitsubishi Electric Corp 交流電気量測定装置および交流電気量測定方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63242117A (ja) * 1987-03-28 1988-10-07 株式会社明電舎 デジタル型保護継電装置
JP2012093137A (ja) * 2010-10-25 2012-05-17 Mitsubishi Electric Corp 交流電気量測定装置および交流電気量測定方法

Also Published As

Publication number Publication date
JPH0219691B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-02

Similar Documents

Publication Publication Date Title
Iravani et al. Online estimation of steady state and instantaneous symmetrical components
Moore Rossby waves in ocean circulation
US5602469A (en) Apparatus for detecting the amplitude and phase of an a.c. signal
TW544524B (en) Method for measuring motor constant of induction motor
CN105823921A (zh) 一种基于瞬时空间电压矢量定向的补偿电流检测方法
JPH011429A (ja) 無効電力調整装置
US5081413A (en) Method and apparatus for measuring AC power
US3723718A (en) Simulation through rotating coordinate transformation
US4885656A (en) Digital protective relay
JPS60194716A (ja) 過電流保護継電器の振幅２乗値の判定方法
Klein et al. Dynamic stability assessment model of a parallel AC-DC power system
JPH0723527A (ja) 逆相過電流保護継電器
Henry Low cost, low pass Prism filtering
JP2964673B2 (ja) 電力系統故障検出回路
da Fonseca et al. Three-phase phase-locked loop algorithms for the detection of positive-sequence and negative-sequence components
JPH0682494A (ja) 電流検出装置
Bialobrzheskyi et al. ACCOUNTING FOR A POSITIVE, NEGATIVE AND ZERO SEQUENCES POWER IN A THREE-PHASE UNBALANCED ELECTRICAL SYSTEM.
Patel et al. Control of distributed static compensator using extended structure‐enhanced phase‐locked loop–based algorithm under nonideal AC mains
JPS62867A (ja) 振幅値演算装置
JP2004064980A (ja) 自励式変換器の制御方式
Daniels et al. A locus diagram to determine the complete starting performance of a 3-phase induction motor connected to a single-phase supply
JPH0570394B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN115618207A (zh) 一种参数辨识用扰动数据预处理方法
US20050182577A1 (en) Method of measuring a monophase voltage
Myatezh et al. Development of the Theory of Determining Inactive Capacities in Non-Sine-Wave Single-Phase AC Mains