KR101386414B1 - 부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법 - Google Patents
부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법 Download PDFInfo
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- KR101386414B1 KR101386414B1 KR1020070135160A KR20070135160A KR101386414B1 KR 101386414 B1 KR101386414 B1 KR 101386414B1 KR 1020070135160 A KR1020070135160 A KR 1020070135160A KR 20070135160 A KR20070135160 A KR 20070135160A KR 101386414 B1 KR101386414 B1 KR 101386414B1
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- South Korea
- Prior art keywords
- temperature
- load current
- power
- current
- power equipment
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 238000012886 linear function Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/021—Current limitation using saturable reactors
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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
- G01R19/32—Compensating for temperature change
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (2)
- 전력설비에 인가되는 부하전류를 복수의 값으로 변화시키면서 인가된 부하전류에 따른 전력설비의 온도를 측정하는 단계;상기 복수의 부하전류와 이에 따른 전력설비의 온도에 관한 측정결과 데이터로부터 상기 전력설비의 기 설정된 포화온도가 속하는 온도범위 내에서 부하전류와 온도 사이의 관계식을 구하는 단계; 및상기 관계식을 이용하여 상기 전력설비에 대한 기 설정된 포화온도로부터 최대 허용전류를 구하는 단계를 포함하는 것으로서,상기 부하전류와 온도의 관계식은,여기서, x = 전력설비의 온도f(x) = 전력설비의 온도에 대응하는 부하전류x0 = 전력설비의 제1온도f(x0) = 전력설비의 제1온도에 대응하는 부하전류x1 = 전력설비의 제2온도f(x1) = 전력설비의 제2온도에 대응하는 부하전류인 것을 특징으로 하는 부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법.
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Priority Applications (1)
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KR1020070135160A KR101386414B1 (ko) | 2007-12-21 | 2007-12-21 | 부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법 |
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KR1020070135160A KR101386414B1 (ko) | 2007-12-21 | 2007-12-21 | 부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090067483A KR20090067483A (ko) | 2009-06-25 |
KR101386414B1 true KR101386414B1 (ko) | 2014-04-21 |
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KR1020070135160A KR101386414B1 (ko) | 2007-12-21 | 2007-12-21 | 부하전류와 전력설비 온도를 통한 최대 허용전류 예측방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101685130B1 (ko) * | 2014-12-19 | 2016-12-09 | 주식회사 엘지화학 | 이차전지의 전력 제어 장치 및 방법 |
KR102285246B1 (ko) * | 2015-07-29 | 2021-08-03 | 엘에스일렉트릭 (주) | 예측 알고리즘을 이용한 전력기기의 온도상승시험 자동화 시스템 및 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040087077A (ko) * | 2003-04-04 | 2004-10-13 | 엘지전선 주식회사 | 지중 전력케이블의 실시간 평가장치 및 그 방법 |
KR200423095Y1 (ko) * | 2006-05-23 | 2006-08-02 | 김기영 | 자동트립 장치, 그것을 이용한 네트워크 시스템 및 그제어방법 |
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- 2007-12-21 KR KR1020070135160A patent/KR101386414B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040087077A (ko) * | 2003-04-04 | 2004-10-13 | 엘지전선 주식회사 | 지중 전력케이블의 실시간 평가장치 및 그 방법 |
KR200423095Y1 (ko) * | 2006-05-23 | 2006-08-02 | 김기영 | 자동트립 장치, 그것을 이용한 네트워크 시스템 및 그제어방법 |
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