JPS6061669U - Electronic energy meter - Google Patents

Electronic energy meter

Info

Publication number
JPS6061669U
JPS6061669U JP15473383U JP15473383U JPS6061669U JP S6061669 U JPS6061669 U JP S6061669U JP 15473383 U JP15473383 U JP 15473383U JP 15473383 U JP15473383 U JP 15473383U JP S6061669 U JPS6061669 U JP S6061669U
Authority
JP
Japan
Prior art keywords
circuit
hour meter
closed
electronic watt
check
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
JP15473383U
Other languages
Japanese (ja)
Other versions
JPS6241263Y2 (en
Inventor
昇 福田
伊藤 喜久雄
Original Assignee
東京電力株式会社
株式会社東芝
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 東京電力株式会社, 株式会社東芝 filed Critical 東京電力株式会社
Priority to JP15473383U priority Critical patent/JPS6061669U/en
Publication of JPS6061669U publication Critical patent/JPS6061669U/en
Application granted granted Critical
Publication of JPS6241263Y2 publication Critical patent/JPS6241263Y2/ja
Granted legal-status Critical Current

Links

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 drawings]

第1図は従来の電子式電力量計のブロック図、第2図は
本考案に係る電子式電力量計の実施例を示すブロック図
、第3図は第2図の内部チェック回路の具体的構成図、
第4図は本考案電力量計の動作を説明するための構成図
、第5図および第6図はPTおよびCTの入出力特性図
である。 1・・・PT(変圧器)、2・・・CT (変流器)、
3・・・電力変換回路、7・・・回路電源部、10・・
・内部チェック回路、11.11’・・・チェック用ス
イッチ、12.13・・・分割抵抗。 PT出力喘〇− 1( CT f: 77’1 第4図 第3図 一] 去
Fig. 1 is a block diagram of a conventional electronic watt-hour meter, Fig. 2 is a block diagram showing an embodiment of the electronic watt-hour meter according to the present invention, and Fig. 3 is a concrete example of the internal check circuit shown in Fig. 2. Diagram,
FIG. 4 is a block diagram for explaining the operation of the electricity meter of the present invention, and FIGS. 5 and 6 are input/output characteristic diagrams of PT and CT. 1...PT (transformer), 2...CT (current transformer),
3... Power conversion circuit, 7... Circuit power supply section, 10...
- Internal check circuit, 11.11'...check switch, 12.13...dividing resistor. PT output 〇-1 (CT f: 77'1 Fig. 4 Fig. 3 1)

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)負荷受電ラインに接続されている変圧器および変
流器の面出力を電力変換回路で乗算して電力を得、この
電力を適宜信号処理して計量する電子式電力量計におい
て、前記変圧器の出力端と前記変流器の出力軸との間に
、前記変流器の出力電圧に近似する模擬信号を出力する
内部チェック回路を設けたことを特徴とする電子式電力
量計。
(1) In an electronic watt-hour meter that obtains electric power by multiplying the surface output of a transformer and current transformer connected to a load power receiving line by a power conversion circuit, and measures this electric power through appropriate signal processing, An electronic watt-hour meter, characterized in that an internal check circuit is provided between the output end of the transformer and the output shaft of the current transformer for outputting a simulated signal that approximates the output voltage of the current transformer.
(2)内部チェック回路は、電子式電力量計の内部回路
のチェック時に閉とするチェック用スイッチと、このチ
ェック用スイッチの閉時に前記変圧器又は電子式電力量
計の回路電源部から供給される電圧を分割してその分割
点より前記変流器の出力端側に模擬信号を与える分割回
路とを有するものである実用新案登録請求の範囲第1項
記載の電子式電力量計。
(2) The internal check circuit includes a check switch that is closed when checking the internal circuit of the electronic watt-hour meter, and a check switch that is closed when the check switch is closed, and a power supply that is supplied from the transformer or the circuit power supply section of the electronic watt-hour meter. 2. The electronic watt-hour meter according to claim 1, which is a utility model, and further comprises a dividing circuit that divides the voltage at the dividing point and supplies a simulated signal to the output end of the current transformer from the dividing point.
(3)内部チェック回路は、電子式電力量計の内部回路
のチェック時に閉とするチェック用スイッチと、このチ
ェック用スイッチの閉によって所要期間動作するタイマ
ーと、このタイマーの動作期間に前記変圧器又は電子式
電力量計の回路電源部から供給される電圧を分割してそ
の分割点より前記変流器の出力端側に模擬信号を与える
分割回路とを有するものである実用新案登録請求の範囲
第1項記載の電子式電力量計。
(3) The internal check circuit consists of a check switch that is closed when checking the internal circuit of the electronic watt-hour meter, a timer that operates for a required period when the check switch is closed, and a timer that operates for a required period of time when the check switch is closed. or a division circuit that divides the voltage supplied from the circuit power supply section of an electronic watt-hour meter and applies a simulated signal to the output end of the current transformer from the division point. The electronic watthour meter according to paragraph 1.
JP15473383U 1983-10-05 1983-10-05 Electronic energy meter Granted JPS6061669U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15473383U JPS6061669U (en) 1983-10-05 1983-10-05 Electronic energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15473383U JPS6061669U (en) 1983-10-05 1983-10-05 Electronic energy meter

Publications (2)

Publication Number Publication Date
JPS6061669U true JPS6061669U (en) 1985-04-30
JPS6241263Y2 JPS6241263Y2 (en) 1987-10-22

Family

ID=30341950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15473383U Granted JPS6061669U (en) 1983-10-05 1983-10-05 Electronic energy meter

Country Status (1)

Country Link
JP (1) JPS6061669U (en)

Also Published As

Publication number Publication date
JPS6241263Y2 (en) 1987-10-22

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