JPS6080358U - Harmonic measurement device - Google Patents

Harmonic measurement device

Info

Publication number
JPS6080358U
JPS6080358U JP17038983U JP17038983U JPS6080358U JP S6080358 U JPS6080358 U JP S6080358U JP 17038983 U JP17038983 U JP 17038983U JP 17038983 U JP17038983 U JP 17038983U JP S6080358 U JPS6080358 U JP S6080358U
Authority
JP
Japan
Prior art keywords
circuit
effective value
input
harmonic
output
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
JP17038983U
Other languages
Japanese (ja)
Other versions
JPS6324448Y2 (en
Inventor
中村　輝夫
Original Assignee
株式会社明輝電機製作所
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 株式会社明輝電機製作所 filed Critical 株式会社明輝電機製作所
Priority to JP17038983U priority Critical patent/JPS6080358U/en
Publication of JPS6080358U publication Critical patent/JPS6080358U/en
Application granted granted Critical
Publication of JPS6324448Y2 publication Critical patent/JPS6324448Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案高調波測定装置の回路ｉ成因、第２図は
理論値と実測値との関係説明図である。 １・・・・・・電圧入力回路、２・・・・・・電流入力
回路、３・・・・・・内部雑音チェック回路、４・・・
・・・切換えスイッチ、５・・・・・・入力調整器、６
〜訃・・・・・第１〜第３実効値回路、９・・・・・・
多相順変換装置、１０・・・・・・全ひずみ率表示回路
、１１・・・・・・ｎ次高調波含有率表示回路。FIG. 1 is an explanatory diagram of circuit i factors of the harmonic measuring device of the present invention, and FIG. 2 is an explanatory diagram of the relationship between theoretical values and actually measured values. 1... Voltage input circuit, 2... Current input circuit, 3... Internal noise check circuit, 4...
... Selector switch, 5 ... Input regulator, 6
~ Death... 1st to 3rd effective value circuit, 9...
Polyphase forward conversion device, 10... total distortion rate display circuit, 11... n-th harmonic content rate display circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電圧入力回路と電流入力回路および内部雑音チェック回
路を選択的に切換える切換えスイッチと、前記切換えス
イッチを通った測定入力を調整する入力調整器から供給
された入力電圧の全高調波電圧の実効値を求める第１実
効値回路と、前記入力電圧のｎ次高調波電圧の実効値を
求める第２実効値回路と、前記入力電圧の基本波の実効
値を求める第３実効値回路と、前記第１実効値回路の出
力と前記第３実効値回路の出力とに基づいて全ひずみ率
を演算表示する全ひずみ率表示回路と、前記第２実効値
回路の出力と前記第３実効値の出力とに基づいてｎ次高
調波含有率を演算表示するｎ次高調波含有率表示回路と
、前記第１実効値回路と前記第２実効値回路の入力を同
じにする回路チェック手段と、前記測定入力と常に比例
関係を保つ各次数高調波の理論値を実測値と切換えて出
力できる多相順変換装置となる高調波測定装置。The effective value of the total harmonic voltage of the input voltage supplied from a changeover switch that selectively switches between the voltage input circuit, current input circuit, and internal noise check circuit, and an input regulator that adjusts the measurement input that passes through the changeover switch. a first effective value circuit for determining the effective value of the nth harmonic voltage of the input voltage; a third effective value circuit for determining the effective value of the fundamental wave of the input voltage; a total distortion rate display circuit that calculates and displays a total distortion rate based on the output of the effective value circuit and the output of the third effective value circuit; and the output of the second effective value circuit and the output of the third effective value. an n-th harmonic content display circuit for calculating and displaying an n-th harmonic content based on the n-th harmonic content; a circuit check means for making the inputs of the first effective value circuit and the second effective value circuit the same; and the measurement input. A harmonic measurement device that functions as a polyphase forward conversion device that can switch and output the theoretical value of each order harmonic with the actual value, which always maintains a proportional relationship.
JP17038983U 1983-11-02 1983-11-02 Harmonic measurement device Granted JPS6080358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17038983U JPS6080358U (en) 1983-11-02 1983-11-02 Harmonic measurement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17038983U JPS6080358U (en) 1983-11-02 1983-11-02 Harmonic measurement device

Publications (2)

Publication Number Publication Date
JPS6080358U true JPS6080358U (en) 1985-06-04
JPS6324448Y2 JPS6324448Y2 (en) 1988-07-05

Family

ID=30371987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17038983U Granted JPS6080358U (en) 1983-11-02 1983-11-02 Harmonic measurement device

Country Status (1)

Country Link
JP (1) JPS6080358U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60161870U (en) * 1984-04-03 1985-10-28 東北電力株式会社 Measuring device for signals containing higher harmonics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156674A (en) * 1976-06-23 1977-12-27 Hitachi Ltd Circuit for measuring dynamic characteristics
JPS5684565A (en) * 1979-12-11 1981-07-09 Mitsubishi Electric Corp Detector for harmonic component

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156674A (en) * 1976-06-23 1977-12-27 Hitachi Ltd Circuit for measuring dynamic characteristics
JPS5684565A (en) * 1979-12-11 1981-07-09 Mitsubishi Electric Corp Detector for harmonic component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60161870U (en) * 1984-04-03 1985-10-28 東北電力株式会社 Measuring device for signals containing higher harmonics

Also Published As

Publication number Publication date
JPS6324448Y2 (en) 1988-07-05

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