KR830006693A - Electronic apparent power meter - Google Patents
Electronic apparent power meter Download PDFInfo
- Publication number
- KR830006693A KR830006693A KR1019810001648A KR810001648A KR830006693A KR 830006693 A KR830006693 A KR 830006693A KR 1019810001648 A KR1019810001648 A KR 1019810001648A KR 810001648 A KR810001648 A KR 810001648A KR 830006693 A KR830006693 A KR 830006693A
- Authority
- KR
- South Korea
- Prior art keywords
- pulse width
- signal proportional
- voltage signal
- duty cycle
- circuit
- Prior art date
Links
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
- G01R21/1271—Measuring real or reactive component, measuring apparent energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Electric Clocks (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 종래의 피상 전력량계의 구성도.1 is a configuration diagram of a conventional apparent meter.
제2도는 본 발명의 원리를 설명하기 위한 전자식 전력량계의 구성도.2 is a block diagram of an electronic wattmeter for explaining the principle of the present invention.
제3도는 제2도의 펄스 폭 변조회로의 구성도.3 is a configuration diagram of the pulse width modulation circuit of FIG.
제4도는 펄스 폭 변조회로의 동작설명도.4 is an operation explanatory diagram of a pulse width modulation circuit.
제5도는 본 발명의 1실시예를 설명하기 위한 피상 전력파형도.5 is an apparent power waveform diagram for explaining an embodiment of the present invention.
제6도는 이동일 실시예에 의한 피상 전력량계의 구성도이다.6 is a configuration diagram of an apparent watt-hour meter according to an embodiment of the movement.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP71723 | 1980-05-29 | ||
JP7172380A JPS56168166A (en) | 1980-05-29 | 1980-05-29 | Electronic apparent watthour meter |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830006693A true KR830006693A (en) | 1983-10-06 |
KR840002376B1 KR840002376B1 (en) | 1984-12-24 |
Family
ID=13468719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019810001648A KR840002376B1 (en) | 1980-05-29 | 1981-05-13 | Electronic electric-energy meter |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS56168166A (en) |
KR (1) | KR840002376B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5935157A (en) * | 1982-08-24 | 1984-02-25 | Tokyo Electric Power Co Inc:The | Apparatus for measuring electric power |
JPS6078357A (en) * | 1983-10-05 | 1985-05-04 | Tokyo Electric Power Co Inc:The | Watthour meter |
-
1980
- 1980-05-29 JP JP7172380A patent/JPS56168166A/en active Granted
-
1981
- 1981-05-13 KR KR1019810001648A patent/KR840002376B1/en active
Also Published As
Publication number | Publication date |
---|---|
JPS6247255B2 (en) | 1987-10-07 |
KR840002376B1 (en) | 1984-12-24 |
JPS56168166A (en) | 1981-12-24 |
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