KR100449801B1 - 디지털 저압 최대전류 측정기 - Google Patents
디지털 저압 최대전류 측정기 Download PDFInfo
- Publication number
- KR100449801B1 KR100449801B1 KR10-2002-0066869A KR20020066869A KR100449801B1 KR 100449801 B1 KR100449801 B1 KR 100449801B1 KR 20020066869 A KR20020066869 A KR 20020066869A KR 100449801 B1 KR100449801 B1 KR 100449801B1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- value
- maximum
- current value
- elapsed time
- Prior art date
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
- G01R13/401—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for continuous analogue, or simulated analogue, display
- G01R13/403—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for continuous analogue, or simulated analogue, display using passive display devices, e.g. liquid crystal display or Kerr effect display devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (1)
- 인하선 또는 배전선로에 흐르는 과전류부하를 측정하기 위한 측정기에 있어서,전선에 흐르는 전류를 검출하는 변류기;시스템에 전원을 공급하기 위한 정전압부;상기 변류기에서 인가된 전류를 정류하기 위한 정류부;상기 정류부를 통해 인가된 전선에 흐르는 과부하 전류값에 대해 전류 최대값에 대한 경과시간, 현재 전류값, 최대전류 발생 경과시간 및 최대전류를 설정된 프로그램에 따라 측정하고 저장하되, 측정된 상기 전류값이 과거치에 비해 높을 경우 최대값 발생기간과 전류값을 갱신/저장하고, 반대로 전류값이 과거치에 비해 높지 않을 경우 최대값 발생시간과 전류 값은 저장하지 않고 현재의 경과 시간과 측정 전류값을 출력하는 마이컴; 및상기 마이컴에 의해 출력되는 측정 데이터들을 실시간으로 표시하는 표시부;를 포함하는 것을 특징으로 하는 디지털 저압 최대전류 측정기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0066869A KR100449801B1 (ko) | 2002-10-31 | 2002-10-31 | 디지털 저압 최대전류 측정기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0066869A KR100449801B1 (ko) | 2002-10-31 | 2002-10-31 | 디지털 저압 최대전류 측정기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040038010A KR20040038010A (ko) | 2004-05-08 |
KR100449801B1 true KR100449801B1 (ko) | 2004-09-22 |
Family
ID=37336266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0066869A KR100449801B1 (ko) | 2002-10-31 | 2002-10-31 | 디지털 저압 최대전류 측정기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100449801B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4422039A (en) * | 1981-04-24 | 1983-12-20 | Brown Boveri Electric Inc. | Self-powered ammeter |
US5471134A (en) * | 1991-11-26 | 1995-11-28 | Saft | Measuring apparatus with adjustable indicator for measuring the real load factor on an electricity source |
KR960008322A (ko) * | 1994-08-10 | 1996-03-22 | 김일동 | 전력기기의 부하전류원격 측정장치 |
KR19980065398U (ko) * | 1998-08-20 | 1998-11-25 | 나병영 | 무선전파 송수신 방식에 의한 근거리 전력선 전류 원격계측장치 |
KR20000066983A (ko) * | 1999-04-22 | 2000-11-15 | 고인석 | 코어없는 개방형 변류기를 이용한 전력선 전류 측정장치 |
-
2002
- 2002-10-31 KR KR10-2002-0066869A patent/KR100449801B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4422039A (en) * | 1981-04-24 | 1983-12-20 | Brown Boveri Electric Inc. | Self-powered ammeter |
US5471134A (en) * | 1991-11-26 | 1995-11-28 | Saft | Measuring apparatus with adjustable indicator for measuring the real load factor on an electricity source |
KR960008322A (ko) * | 1994-08-10 | 1996-03-22 | 김일동 | 전력기기의 부하전류원격 측정장치 |
KR19980065398U (ko) * | 1998-08-20 | 1998-11-25 | 나병영 | 무선전파 송수신 방식에 의한 근거리 전력선 전류 원격계측장치 |
KR20000066983A (ko) * | 1999-04-22 | 2000-11-15 | 고인석 | 코어없는 개방형 변류기를 이용한 전력선 전류 측정장치 |
Also Published As
Publication number | Publication date |
---|---|
KR20040038010A (ko) | 2004-05-08 |
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