JPH0473880U - - Google Patents

Info

Publication number
JPH0473880U
JPH0473880U JP11660590U JP11660590U JPH0473880U JP H0473880 U JPH0473880 U JP H0473880U JP 11660590 U JP11660590 U JP 11660590U JP 11660590 U JP11660590 U JP 11660590U JP H0473880 U JPH0473880 U JP H0473880U
Authority
JP
Japan
Prior art keywords
reactive power
power
calculating
voltage
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.)
Pending
Application number
JP11660590U
Other languages
English (en)
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 filed Critical
Priority to JP11660590U priority Critical patent/JPH0473880U/ja
Publication of JPH0473880U publication Critical patent/JPH0473880U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Description

【図面の簡単な説明】
第1図は本考案の1実施例の構成を示すブロツ
ク図、第2図は第1図における反転/非反転切換
回路の具体的な構成を示す回路図、第3図は本考
案の他の実施例の構成を示す要部構成図、第4図
は従来の電力/無効電力変換器の構成を示すブロ
ツク図である。 PWM,PWM1〜PWM3……パルス幅変換
回路、PS,PS1〜PS3……90°移相器、
SS1〜SS3……加算平滑回路、OP1〜OP
3……出力回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電圧と電流を測定しこれ等の電圧と電流を用い
    て演算することにより対応する電力に変換すると
    共に前記電圧或いは電流のいずれかの位相を90
    度シフトしてこれ等を用いて演算することにより
    対応する無効電力に変換しそれぞれ電力と無効電
    力の2つを出力する電力/無効電力変換器におい
    て、前記無効電力の演算出力過程において極性反
    転スイツチを設けてこの無効電力が誘導性のもの
    か容量性のものかによつて出力の極性を任意に切
    り換えることができるようにしたことを特徴とす
    る電力/無効電力変換器。
JP11660590U 1990-11-06 1990-11-06 Pending JPH0473880U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11660590U JPH0473880U (ja) 1990-11-06 1990-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11660590U JPH0473880U (ja) 1990-11-06 1990-11-06

Publications (1)

Publication Number Publication Date
JPH0473880U true JPH0473880U (ja) 1992-06-29

Family

ID=31864440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11660590U Pending JPH0473880U (ja) 1990-11-06 1990-11-06

Country Status (1)

Country Link
JP (1) JPH0473880U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224676A (ja) * 1988-03-04 1989-09-07 Tokyo Electric Power Co Inc:The 電子式電力量計
JPH0271161A (ja) * 1988-09-06 1990-03-09 Tokyo Electric Power Co Inc:The 電子式電力量計

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224676A (ja) * 1988-03-04 1989-09-07 Tokyo Electric Power Co Inc:The 電子式電力量計
JPH0271161A (ja) * 1988-09-06 1990-03-09 Tokyo Electric Power Co Inc:The 電子式電力量計

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