KR200429059Y1 - Multi-power automatic selection switch - Google Patents
Multi-power automatic selection switch Download PDFInfo
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- KR200429059Y1 KR200429059Y1 KR2020060019880U KR20060019880U KR200429059Y1 KR 200429059 Y1 KR200429059 Y1 KR 200429059Y1 KR 2020060019880 U KR2020060019880 U KR 2020060019880U KR 20060019880 U KR20060019880 U KR 20060019880U KR 200429059 Y1 KR200429059 Y1 KR 200429059Y1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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Abstract
서로 다른 변전소 또는 변압기에서 공급되는 제1전원 및 제2전원과 자가발전기에서 발전된 제3전원으로 구성된 제1전원, 제2전원, 제3전원; 제1전원에 배선된 제1고장구간개폐기 및 트립장치(제1트립장치), 제2전원에 배선된 제2고장구간개폐기 및 트립장치(제2트립장치), 제3전원에 배선된 제3고장구간개폐기 및 트립장치(제3트립장치); 상기 3개 각각의 전원에 배선된 3개의 고장구간개폐기를 거쳐 하나의 고장구간개폐기 및 트립장치(제4고장구간개폐기 및 제4트립장치)를 거쳐 수배전반의 다음단으로 배선되며; 각 고장구간개폐기는 개폐기의 접점을 이동하여 접점결합시키는 구동장치를 포함하며; 평상시 전하를 충전하여 정전시 전원 공급하는 무정전전원공급장치(UPS)를 거쳐 상기 제1, 2, 3전원의 정전 여부를 감시하는 변류기(CT)로 구성된 활선감시장치; 활선감시장치를 통하여 각 선로의 정전 여부의 정보를 받아 각 트립장치(제1,2,3,4 트립장치)를 구동하는 마이크로프로세서로 구성된 주제어부로 구성되어 평상시 제1전원, 제1고장구간개폐기, 제4고장구간개폐기를 거쳐 수배전반의 다음단(한전 계량기반, 진공 차단기반, 변압기반, 저압반)으로 배선되나, 제1전원이 정전되면 활선감시장치에 의해 정전 정보를 주제어부로 전송되며, 주제어부는 제1, 4트립장치를 트립시켜 제1, 4고장구간개폐기를 개방하여 정전에도 불구하고 선로를 이중으로 안전하게 개방한 후 제2고장구간개폐기를 구동하여 제2전원을 통해 전원 공급한 후 제4고장구간개폐기를 구동하여 안전하게 2중으로 전원공급하며, 제1, 2,전원이 동시에 정전일 경우 제1,2,4 트립장치를 구동하여 이중으 로 안전하게 선로를 개방한 후 제3전원의 자가발전기를 구동하며 제3,4 고장구간개폐기를 구동하여 이중으로 안전하게 전원 공급하는 주제어부를 특징으로 하는 다중전원 자동선택 절환장치.A first power source, a second power source, and a third power source including a first power source and a second power source supplied from different substations or transformers, and a third power source generated from a self-generator; The first failure section switch and trip device (first trip device) wired to the first power source, the second failure section switch and trip device (second trip device) wired to the second power source, and the third wired to the third power source. Failure section switch and trip device (third trip device); Wired to the next stage of the switchgear via three fault interval switchgears and trip devices (fourth fault switchgear and a fourth trip device) via three fault section breakers wired to the respective three power sources; Each fault section switch includes a driving device for moving the contact of the switch and engaging the contact; A live wire monitoring device including a current transformer CT for monitoring whether the first, second, and third power supplies are out of power through an uninterruptible power supply device (UPS) that charges electric charges and supplies power during power failure; It is composed of a main control part composed of microprocessors that drive each trip device (1, 2, 3, 4 trip device) by receiving information on whether power is interrupted through the live monitoring market value, and thus, the first power supply and the first failure section switch It is wired to the next stage of the switchgear (KEPCO metering base, vacuum cut-off base, transformer panel, low voltage panel) through the fourth fault section switchgear, but when the first power is outage, the blackout monitoring device transmits the power failure information to the main fishery. The main control unit trips the first and fourth tripping devices to open the first and fourth fault section switchgear, safely opens the line in the double despite the power failure, and then supplies power through the second power source by driving the second fault section switchgear. Drives the fourth fault section switch to safely supply double power, and if the first, second, and power supply are out of power at the same time, the first, second and fourth trip devices are operated to open the line twice safely and then character Multi-power automatic selection switching device characterized in that the main control unit for driving the wig electric power and the third and fourth fault interval switch opening and closing the power supply safely.
자동절환, 정전, 고장구간개폐기, 주제어부, 마이크로프로세서 Automatic switching, power failure, fault switchgear, main control part, microprocessor
Description
도 1은 본 고안의 간략한 블록도1 is a simplified block diagram of the present invention
＜ 도면의 주요부분에 대한 부호의 설명 ＞<Explanation of symbols for the main parts of the drawings>
10 : 제 1 전원10: first power source
11 : 제 2 전원11: second power source
12 : 제 3 전원12: third power
20 : 제 1 고장구간개폐기20: 1st failure section switch
21 : 제 2 고장구간개폐기21: second fault section switchgear
22 : 제 3 고장구간개폐기22: 3rd trouble section switchgear
30 : 제1트립 및 구동장치30: first trip and drive device
31 : 제2트립 및 구동장치31: second trip and drive device
32 : 제3트립 및 구동장치32: third trip and drive device
40 : 제4트립 및 구동장치40: 4th trip and drive device
본 고안은 전력설비를 사용하는 전력공급 시스템에 관한 것으로, 특히 지하철, 고속전철, 병원등의 전력 공급 수배전반에 있어서 장시간 정전이 발생되지 않도록 한 전력 확보용 수배전반에 관한 것으로 한전(전원)측 선로에 정전이 발생하였을 경우 안정적으로 전원을 공급 받기 위하여 각각 다른 변전소 및 자가발전기로부터 전원을 이중(다중)으로 전원 공급 받는 전력설비의 다중전원 자동선택 절환장치에 관한 것이다.The present invention relates to a power supply system using electric power equipment, and more particularly to a power supply switchgear for securing a long power failure in a power supply switchgear such as subway, high speed train, hospital, etc. In the event of a power failure, the present invention relates to a multi-power automatic selection switching device of a power facility that is supplied with power from a different substation and a self-generator in a double (multiple) manner in order to receive a stable power supply.
일반적으로, 특수 전력설비(전철 병원등)나 대형 건물, 전철, 고속전절 등에는 정전에 대비하여 자가발전기 등의 전력확보 시스템이 설치되어 있다.In general, a power supply system such as a self-generator is installed in a special electric power facility (train hospital, etc.), a large building, a train, a high-speed electric power switch, and the like in preparation for a power failure.
전력확보 장치는, 하나의 전력공급원만으로는 전력확보가 어려우므로, 전력 공급원이 다른, 예컨데, 전력공급 회사가 서로 다른 전원이나, 서로 다른 변전소에서 송전되는 전력 또는 송전선로가 다른 전원 등을 제1,제2 전원으로 공급 받도록 구비하고, 제1,제2 전원의 정전에 대비한 자가 발전기, 축전기 등을 구비하며, 배전반에서 상기 제1전원, 제2전원, 자가발전기, 축전기 등을 이중전원 자동절환 장치를 이용하여 수동조작에 의해 선택하고, 그 선택된 전원에 의해 부하측으로 전력을 공급하도록 구성된다.Since the power supply device is difficult to secure power using only one power supply source, for example, a power supply company having a different power supply source, for example, a power source from a different power supply company or a power source from different substations, or a power supply line having different power transmission lines, may be used. It is provided to be supplied with a second power supply, and is provided with a self-generator, a capacitor, etc. in preparation for the power failure of the first and second power supplies, the dual power supply automatic switching of the first power source, the second power source, the self-generator, the capacitor, etc. in the switchboard The device is configured to be selected by manual operation and powered by the selected power supply to the load side.
이에따라 종래기술은 이러한 문제를 해결하고자 제1전원과 제2전원 및 발전기를 구비하고, 전원이 정전되면 마그네트 스위치에 의해서 자동으로 절환 시키도록 하여 정전 발생시 실시간적으로 자동 절환시켜 정전을 방지하도록 한 전력확보용 다중전원 자동절환장치를 제공한 기술로 출원번호 특1997-048454 ' 전력확보용 다중전원 자동절환장치 ' 가 있어 왔다.Accordingly, the prior art is provided with a first power source, a second power source and a generator to solve such a problem, and when the power is outage is automatically switched by the magnet switch to automatically switch in real time in the event of a power failure to prevent power failure As a technology for providing a multi-power automatic switching device for securing, there has been a patent application number 1997-048454 'Multi-power automatic switching device for securing power'.
또한, 예비선로 전환스위치(ALTS)가 있어왔으나, 종래기술은 다중 전원에 대한 안전장치의 미흡으로 사고 발생의 소지가 있어 왔으며, 실제로 병원등에서 다중 전원을 효과적으로 절환을 못하거나 다중 전원간 접속되어 전기단락(short curcuit)되어 기기의 파손 및 화재가 발생한다.In addition, there has been a preliminary line changeover switch (ALTS), but the prior art has been the cause of accidents due to the lack of safety devices for multiple power sources, in fact, in the hospital, etc. can not effectively switch between multiple power sources or connected between multiple power sources Short curcuit may cause device damage and fire.
본 고안은 다중전원 자동선택 절환장치로 서로 다른 변전소 또는 변압기에서 공급되는 전원을 제1전원 및 제2전원으로 하며, 자가발전기의 구동에 의해 발전되는 전원을 제3전원이라 할 때 제 1, 2, 3 전원을 절환 하는데 있어 안전성을 확보하는 것을 기술적 과제로 한다.The present invention is a multi-power automatic selection switching device, the power supplied from different substations or transformers as the first power source and the second power source, and when the power generated by the self-generator is called the third power source The technical problem is to ensure safety in switching power supplies.
도1은 주제어부는 편의상 생략하고 전원계통 중심의 블록도로 도면을 참고로 이하 상세히 설명한다.1 is a main control part is omitted for convenience and will be described below in detail with reference to a block diagram centered on a power system.
서로 다른 변전소 또는 변압기에서 공급되는 제1전원 및 제2전원으로 구성되어 변전소 또는 변압기의 문제로 정전되었을 경우 안정적으로 전원 공급받는 제1,2 전원 및 정전시 자가발전기의 구동으로 발전된 제3전원으로 구성된 제1전원, 제2전원, 제3전원.It is composed of the first power source and the second power source supplied from different substations or transformers. When power failure occurs due to problems of substations or transformers, the first and second power sources are stably supplied to the third power source generated by driving the self-generator during power failure. The configured first power source, second power source, and third power source.
제1전원에 배선된 제1고장구간개폐기 및 트립장치(제1트립장치), 제2전원에 배선된 제2고장구간개폐기 및 트립장치(제2트립장치), 제3전원에 배선된 제3고장구간개폐기 및 트립장치(제3트립장치).The first failure section switch and trip device (first trip device) wired to the first power source, the second failure section switch and trip device (second trip device) wired to the second power source, and the third wired to the third power source. Fault code switchgear and trip device (3rd trip device).
상기 3개 각각의 전원에 배선된 3개의 고장구간개폐기를 거쳐 하나의 고장구 간개폐기 및 트립장치(제4고장구간개폐기 및 제4트립장치)로 배선되어 수배전반의 다음단으로 배선된다.It is routed to one fault zone switchgear and trip device (the 4th failure zone switch and the 4th trip device) via the 3 fault zone switchgear wired to each said 3 power supply, and is routed to the next stage of a switchgear.
각 고장구간개폐기는 개폐기의 접점을 이동하여 접점결합 시키는 구동장치를 포함한다.Each fault section switch includes a driving device for moving the contact of the switch and engaging the contact.
평상시 전하를 충전하여 정전시 전원을 공급하는 무정전전원공급장치(UPS)를 거쳐 상기 제1, 2, 3전원의 인입 선로에 구성되어 정전 여부를 감시하는 변류기(CT)로 구성된 활선감시장치.Live line monitoring device comprising a current transformer (CT) configured to enter the power supply line of the first, second, third power supply through the uninterruptible power supply (UPS) for supplying power in the event of power failure by charging the electric charge.
활선감시장치를 통하여 각 선로의 정전 여부의 정보를 받아 각 트립장치(제1,2,3,4 트립장치) 및 고장구간개폐기를 구동하는 구동부를 구동하는 마이크로프로세서로 구성된 주제어부.Main controller consisting of a microprocessor that drives each trip device (1, 2, 3, 4 trip device) and a driver to drive the fault zone switch by receiving information on power failure of each track through live monitoring.
평상시 제1전원, 제1고장구간개폐기, 제4고장구간개폐기를 거쳐 수배전반의 다음단 한전 계량기반, 진공 차단기반, 변압기반, 저압반으로 배선된다.It is usually wired through the first power supply, the first fault section switchgear, and the fourth fault section switchgear to the next stage of the switchgear metering base, vacuum interruption base, transformer board, and low voltage panel.
그러나 제1전원이 정전되면 활선감시장치에 의해 정전 정보를 주제어부로 전송하며, 주제어부는 제1, 4트립장치를 트립시켜 제1, 4고장구간개폐기를 개방하여 정전에도 불구하고 선로를 이중으로 안전하게 개방한 후 제2고장구간개폐기를 구동하여 제2전원을 통해 전원 공급한 후 제4고장구간개폐기를 구동하여 안전하게 2중으로 전원공급한다.However, when the first power supply is out of power, the blackout monitoring device transmits the power failure information to the main control part, and the main control part trips the first and fourth tripping devices to open the first and fourth failure section switchgear, thereby safely protecting the line in the event of a power failure. After opening, drive the second fault section switch to supply power through the second power supply, and then drive the fourth fault section switch to safely supply power to the double.
제1, 2,전원이 동시에 정전일 경우 제1,2,4 트립장치를 구동하여 이중으로 안전하게 선로를 개방한 후 제3전원의 자가발전기를 구동하며 제3,4 고장구간개폐기를 구동하여 이중으로 안전하게 전원 공급하는 주제어부를 특징으로 하는 다중전 원 자동 선택 절환장치이다.If the first, second, and power supplies are outage at the same time, the first, second, and fourth trip devices are operated to open the line in a safe manner, and then the self-generator of the third power source is driven, and the third and fourth fault section breakers are driven to It is a multi-power automatic selection switching device characterized by a main control unit for safely supplying power.
일 실시 예로, 서로 다른 변전소에서 공급되는 제1전원 및 제2전원과 자가발전기에서 발전된 제3전원으로 구성된 제1전원, 제2전원, 제3전원; 제1전원에 배선된 제1고장구간개폐기 및 트립장치(제1트립장치), 제2전원에 배선된 제2고장구간개폐기 및 트립장치(제2트립장치), 제3전원에 배선된 제3고장구간개폐기 및 트립장치(제3트립장치); 상기 3개 각각의 전원에 배선된 3개의 고장구간개폐기를 거쳐 하나의 고장구간개폐기 및 트립장치(제4고장구간개폐기 및 제4트립장치)를 거쳐 수배전반의 다음단으로 배선되며; 각 고장구간개폐기는 개폐기의 접점을 이동하여 접점결합시키는 구동장치를 포함하며; 평상시 전하를 충전하여 정전시 전원 공급하는 무정전전원공급장치(UPS)를 거쳐 상기 제1, 2, 3전원의 정전 여부를 감시하는 변류기(CT)로 구성된 활선감시장치; 활선감시장치를 통하여 각 선로의 정전 여부의 정보를 받아 각 트립장치(제1,2,3,4 트립장치)를 구동하는 마이크로프로세서로 구성된 주제어부로 구성되어 평상시 제1전원, 제1고장구간개폐기, 제4고장구간개폐기를 거쳐 수배전반의 다음단(한전 계량기반, 진공 차단기반, 변압기반, 저압반)으로 배선되나, 제1전원이 정전되면 활선감시장치에 의해 정전 정보를 주제어부로 전송되며, 주제어부는 제1, 4트립장치를 트립시켜 제1, 4고장구간개폐기를 개방하여 정전에도 불구하고 선로를 이중으로 안전하게 개방한 후 제2고장구간개폐기를 구동하여 제2 전원을 통해 전원 공급한 후 제4고장구간개폐기를 구동하여 안전하게 2중으로 전원 공급하며, 제1, 2,전원이 동시에 정전일 경우 제1,2,4 트립장치를 구동하여 이중으로 안전하게 선로를 개방한 후 제3전원의 자가발전기를 구동하며 제3,4 고장구간개 폐기를 구동하여 이중으로 안전하게 전원 공급하는 주제어부를 특징으로 하는 다중전원 자동선택 절환장치이다.In one embodiment, the first power source, the second power source, the third power source consisting of a first power source and a second power source supplied from different substations and a third power source generated from the self-generator; The first failure section switch and trip device (first trip device) wired to the first power source, the second failure section switch and trip device (second trip device) wired to the second power source, and the third wired to the third power source. Failure section switch and trip device (third trip device); Wired to the next stage of the switchgear via three fault interval switchgears and trip devices (fourth fault switchgear and a fourth trip device) via three fault section breakers wired to the respective three power sources; Each fault section switch includes a driving device for moving the contact of the switch and engaging the contact; A live wire monitoring device including a current transformer CT for monitoring whether the first, second, and third power supplies are out of power through an uninterruptible power supply device (UPS) that charges electric charges and supplies power during power failure; It is composed of a main control part composed of microprocessors that drive each trip device (1, 2, 3, 4 trip device) by receiving information on whether power is interrupted through the live monitoring market value, and thus, the first power supply and the first failure section switch It is wired to the next stage of the switchgear (KEPCO metering base, vacuum cut-off base, transformer panel, low voltage panel) through the fourth fault section switchgear, but when the first power is outage, the blackout monitoring device transmits the power failure information to the main fishery. The main control unit trips the first and fourth tripping devices to open the first and fourth fault section switchgear, safely opens the line in the double despite the power failure, and then supplies power through the second power source by driving the second fault section switchgear. Drive the fourth fault section switch and safely supply the power to the double, and if the first, second, and power supply are outage at the same time, drive the first, second, and four trip devices to open the line in a double safety, and then A multiple power automatically selected changer drives the wig electricity drives the third and fourth fault section dog waste in the main control unit characterized in that to secure the power supply in duplicate.
하나의 고장율이 일백분의 1일 경우 이를 직렬로 안정장치를 하나 더 구성하면 고장율이 이백분의 1이 아닌 일만분의 1로 급격히 고장율이 줄어드는 점을 이용하여 직렬로 이중 구성 및 종래의 기술들과는 달리 고장구간개폐기의 기계적인 접점의 절환을 통해 안정성을 확보하여 안전성을 확보한 다중전원 자동선택 절환장치이다.When one failure rate is one hundredth, if one more stabilizer is configured in series, the failure rate rapidly decreases to one hundredth instead of one hundredth. Otherwise, it is a multi-power automatic selection switching device that has secured stability by switching the mechanical contact of breakdown switch.
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| KR2020060019880U KR200429059Y1 (en) | 2006-07-24 | 2006-07-24 | Multi-power automatic selection switch |
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