KR0121268Y1 - 회로 차단기 - Google Patents
회로 차단기Info
- Publication number
- KR0121268Y1 KR0121268Y1 KR92016191U KR920016191U KR0121268Y1 KR 0121268 Y1 KR0121268 Y1 KR 0121268Y1 KR 92016191 U KR92016191 U KR 92016191U KR 920016191 U KR920016191 U KR 920016191U KR 0121268 Y1 KR0121268 Y1 KR 0121268Y1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- circuit
- unit
- phase
- value
- Prior art date
Links
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000242757 Anthozoa Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
-
- 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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (2)
- 각상의 선로에서 전류 크기를 각각 검출하는 복수개의 변류부(CT1~CT3)와, 각 변류부(CT1~CT4)에서 검출된 전류를 직류 전류로 변환하는 복수개의 정류부(1~3)와, 각 정류부(1~3)의 직류단 일측에서 출력되는 직류전류를 직류 전압으로 변환하는 복수개의 부담회로부(4~6)와, 각 부담회로부(4~6)의 직류전압에서 실효치를 검출하는 파형 변화부(7~9)와, 상기 각 정류부(1~3)의 다른 직류단에서 출력되는 직류전원을 합하여 전원을 공급하는 전원부(13)와, 정격 전류를 가조종할수 있는 정격전류 설정부(19)와, 정격전류의 가조정에 따른 순시전류 크기를 정격 전류에 따라 일정하게 하는 순시 설정회로부(17)와, 상기 각 파형 변환부(7~9)를 통해 각상의 전압을 읽고, 각상의 전류값을 연산하여 최대상의 전류값을 검사하고 정격전류와 비교하여 이상유무를 판단하는 디지털회로 및 제어부(18)와, 디지털회로 및 제어부(18)가 불안정시에는 트립장치가 동작하지 않도록하는 트립장치 안정부(20)와,이상상태(과부하)시 선로를 차단하는 트립부(14)를 포함하여 구성됨을 특징으로 하는 회로차단기.
- 제1항에 있어서 디지털회로 및 제어부(18)는 각 파형 변환부(7~9)의 출력신호를 각 채널이 입력하여 선택신호에 의해 일신호를 출력하는 멀티플렉서(16)와, 멀티플렉서(16)의 출력신호를 디지털신호로 변환하는A/D 변환기(10)와, 디지털 신호를 입력하여 전류값을 연산하고 이상유무를 판단하는 마이콤(11)으로 구성됨을 특징으로 하는 회로차단기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92016191U KR0121268Y1 (ko) | 1992-08-27 | 1992-08-27 | 회로 차단기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92016191U KR0121268Y1 (ko) | 1992-08-27 | 1992-08-27 | 회로 차단기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940006537U KR940006537U (ko) | 1994-03-25 |
KR0121268Y1 true KR0121268Y1 (ko) | 1998-10-01 |
Family
ID=19339138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR92016191U KR0121268Y1 (ko) | 1992-08-27 | 1992-08-27 | 회로 차단기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0121268Y1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100524114B1 (ko) * | 2003-05-17 | 2005-10-26 | (주)제일피앤피 | 분전반 |
KR102066713B1 (ko) * | 2019-09-03 | 2020-01-15 | 김성웅 | 선로별 아크 감지 장치 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100386815B1 (ko) * | 2001-06-26 | 2003-06-09 | 휴먼엘텍 주식회사 | 전자적인 트립이 가능한 과부하 검출 회로 및 이를 구비한회로차단기 |
KR102646024B1 (ko) | 2022-10-18 | 2024-03-12 | 하이드로텍(주) | 파일롯 체크밸브 |
-
1992
- 1992-08-27 KR KR92016191U patent/KR0121268Y1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100524114B1 (ko) * | 2003-05-17 | 2005-10-26 | (주)제일피앤피 | 분전반 |
KR102066713B1 (ko) * | 2019-09-03 | 2020-01-15 | 김성웅 | 선로별 아크 감지 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR940006537U (ko) | 1994-03-25 |
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