KR880014378A - 디지탈 전력량계 - Google Patents
디지탈 전력량계 Download PDFInfo
- Publication number
- KR880014378A KR880014378A KR870004637A KR870004637A KR880014378A KR 880014378 A KR880014378 A KR 880014378A KR 870004637 A KR870004637 A KR 870004637A KR 870004637 A KR870004637 A KR 870004637A KR 880014378 A KR880014378 A KR 880014378A
- Authority
- KR
- South Korea
- Prior art keywords
- electricity meter
- digital electricity
- built
- converted
- frequency
- Prior art date
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 전압-주파수 변환회로도.
제2도는 본 발명의 분주 카운터회로도.
제5도는 본 발명의 과전류검출 회로도.
Claims (1)
- CT(제6도)를 통해 교류전류가 흐를 때 CT에서 발생되는 전압을 직류로 변환하여 이 전압을 주파수로 변환(제1도)시키고 발생된 주파수를 분주카운터(제2도)로 입력시켜 얻어지는 분주출력을 다시 업 카운터(제3도)에 입력시켜 사용한 전력량을 디지탈로 표시해 주며, 누전차단기(제4도)와 과전류차단기(제5도)가 내장된 디지탈 전력량계.※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870004637A KR880014378A (ko) | 1987-05-12 | 1987-05-12 | 디지탈 전력량계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870004637A KR880014378A (ko) | 1987-05-12 | 1987-05-12 | 디지탈 전력량계 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR880014378A true KR880014378A (ko) | 1988-12-23 |
Family
ID=68461506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR870004637A KR880014378A (ko) | 1987-05-12 | 1987-05-12 | 디지탈 전력량계 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR880014378A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020007007A (ko) * | 2000-07-14 | 2002-01-26 | 김기형 | 단위세대용 전자식 전력량계 |
KR100850421B1 (ko) * | 2006-12-29 | 2008-08-04 | 엘에스산전 주식회사 | 전력계량설비 |
-
1987
- 1987-05-12 KR KR870004637A patent/KR880014378A/ko not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020007007A (ko) * | 2000-07-14 | 2002-01-26 | 김기형 | 단위세대용 전자식 전력량계 |
KR100850421B1 (ko) * | 2006-12-29 | 2008-08-04 | 엘에스산전 주식회사 | 전력계량설비 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |