JPS6061669U - Electronic energy meter - Google Patents
Electronic energy meterInfo
- 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
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
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)
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.
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.
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.
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) |
-
1983
- 1983-10-05 JP JP15473383U patent/JPS6061669U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6241263Y2 (en) | 1987-10-22 |
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