KR100954930B1 - System for monitoring relay of substation and relays of subscribers - Google Patents

System for monitoring relay of substation and relays of subscribers Download PDF

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KR100954930B1
KR100954930B1 KR1020080106093A KR20080106093A KR100954930B1 KR 100954930 B1 KR100954930 B1 KR 100954930B1 KR 1020080106093 A KR1020080106093 A KR 1020080106093A KR 20080106093 A KR20080106093 A KR 20080106093A KR 100954930 B1 KR100954930 B1 KR 100954930B1
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South Korea
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subscriber
substation
relay
power
monitoring device
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KR1020080106093A
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Korean (ko)
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박인근
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현대제철 주식회사
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

PURPOSE: A system for monitoring set values of a relay of a subscriber and the relay of a power substation is provided to prevent an overload of the subscriber by preventing the set value of the relay of the subscriber out of the set value of the relay of the power substation. CONSTITUTION: A power substation device(15) transmits a set value of a relay of a substation to a monitoring device(30). A subscriber device(25_1 to 25_n) transmits the set value of the relay of the subscriber to the monitoring device. The monitoring device monitors the power of the subscriber by receiving the set values of the relay of the subscriber and the relay of the power substation. If the set value of the relay of the subscriber is out of the set value of the relay of the power substation, the monitoring device outputs an alarm signal to the subscriber device.

Description

변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템 {System for monitoring relay of substation and relays of subscribers}Setpoint monitoring system of substation relay and subscriber relay {System for monitoring relay of substation and relays of subscribers}

본 발명은 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템에 관한 것으로, 가입자측 계전기의 설정값이 변전소 계전기의 설정값을 벗어나지 않도록 하기 위하여 변전소측 계전기와 가입자측 계전기의 설정값을 모니터링하는 시스템에 관한 것이다.The present invention relates to a setpoint monitoring system of a substation-side relay and a subscriber-side relay, a system for monitoring the setpoint of the substation-side relay and the subscriber-side relay in order not to deviate from the setting value of the substation relay. It is about.

일반적으로, 공장 등과 같은 각 전력 가입자에게는 변전소의 계전반으로부터 전력이 분기되어 공급된다. 이와 같은 종래 변전소에서 가입자측까지의 개략적인 전력 계통은 도 1에 도시한 바와 같이 구성된다.In general, power is diverted from the relay board of the substation to each power subscriber, such as a factory. The schematic power system from the conventional substation to the subscriber side is configured as shown in FIG.

도 1에 도시한 바와 같이, 종래 변전소측 계전반(10)은 복수의 가입자측 계전반(20_1~20_n)으로 전력을 분기하여 공급하고, 상기 가입자측 계전반(20_1~20_n)은 상기 변전소측 계전반(10)으로부터 분기되어 입력되는 전력을 각 부하로 분기하여 공급한다. 여기서 상기 변전소측 계전반(10)에는 전력 차단기와 과전류 보호 계전기가 설치되어 있고, 상기 가입자측 계전반(20_1~20_n)도 전력 차단기와 과전류 보호 계전기가 설치되어 있다. As shown in FIG. 1, the conventional substation side relay board 10 branches power to a plurality of subscriber side relay boards 20_1 to 20_n and supplies the subscriber side relay boards 20_1 to 20_n to the substation side. The electric power branched from the relay board 10 is branched and supplied to each load. Here, the substation side relay panel 10 is provided with a power breaker and an overcurrent protection relay, and the subscriber side relay panels 20_1 to 20_n are also provided with a power breaker and an overcurrent protection relay.

상기와 같이 구성된 종래 변전소에서 가입자측까지의 전력 계통 구성에서는 특정 가입자측에 과부하가 발생하면 해당 가입자측 계전반의 전력 차단기가 작동되지 않고, 변전소측 계전반(10)의 전력 차단기가 작동하는 경우가 발생하곤 한다. 이와 같은 경우, 과부하가 발생한 가입자측 계전반뿐만 아니라 변전소측 계전반(10)의 전력 차단기의 하위에 위치하는 모든 가입자측 배전반(20_1~20_n)으로의 전력 공급이 차단되는 정전 사고가 발생하게 되는 문제가 있다. 또한, 이 경우에 변전소와 가입자측 사이의 전력선에 충전전류가 발생하여 전력선 손상도 발생하게 되는 문제가 있다.In the power system configuration from the conventional substation configured as described above to the subscriber side, when an overload occurs in a specific subscriber side, the power breaker of the corresponding subscriber side relay board does not operate, and the power breaker of the substation side relay board 10 operates. Is likely to occur. In this case, a power failure accident occurs in which the power supply to all subscriber side switchboards 20_1 to 20_n that are located under the power breaker of the substation side relay board 10 as well as the subscriber side relay board that is overloaded are generated. there is a problem. In addition, in this case, there is a problem in that a charging current is generated in the power line between the substation and the subscriber side, thereby causing power line damage.

따라서, 본 발명은 상기한 종래 문제점을 해결하기 위하여 안출된 것으로, 가입자측 계전기의 설정값이 변전소 계전기의 설정값을 벗어나지 않도록 하기 위하여 변전소측 계전기와 가입자측 계전기의 설정값을 모니터링함으로써 가입자측에 과부하가 발생하는 것을 방지하도록 할 수 있는 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템을 제공하고자 함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above-described problems, and the subscriber side by monitoring the sub-station relay and the subscriber-side relay in order to ensure that the setting value of the subscriber side relay does not deviate from the setting value of the substation relay. It is an object of the present invention to provide a setpoint monitoring system for substation side relays and subscriber side relays that can prevent overloads from occurring.

상기한 목적을 달성하기 위해 본 발명에 따른 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템은, 변전소측 계전반에서 분기된 전력이 복수의 가입자측 계전반으로 공급되도록 구성된 전력 계통에 있어서, 변전소측에 설치되어 변전소측 계전반의 과전류 보호 계전기의 설정값을 감지하여 모니터링 장치로 전송 하는 변전소측 장치와; 각 가입자측에 설치되어 각 가입자측 계전반의 과전류 보호 계전기의 설정값을 감지하여 모니터링 장치로 전송하는 가입자측 장치와; 상기 변전소측 장치와 상기 가입자측 장치로부터 각각 변전소측과 가입자측의 설정값을 받아서 각 가입자측의 전력을 감시하는 모니터링 장치를 포함하여 구성된 것을 특징으로 한다.In order to achieve the above object, the setpoint monitoring system of the substation-side relay and the subscriber-side relay according to the present invention is a substation in a power system configured to supply power branched from the substation-side relay board to a plurality of subscriber-side relay boards. A substation side device installed at the side to sense a set value of an overcurrent protection relay of the substation side relay board and transmit the detected value to a monitoring device; A subscriber side device installed at each subscriber side for detecting a set value of an overcurrent protection relay of each subscriber side relay board and transmitting the detected value to a monitoring device; It characterized in that it comprises a monitoring device for monitoring the power of each subscriber side by receiving the settings of the substation side and subscriber side from the substation side device and the subscriber side device, respectively.

여기서, 상기 모니터링 장치는 상기 가입자측 장치으로부터의 설정값이 변전소측 계전반의 설정값을 벗어나는 경우 해당 가입자측 장치로 경보신호를 출력하고, 상기 가입자측 장치는 상기 모니터링 장치로부터의 경보신호에 따라 경보를 발생하는 것이 바람직하다.Here, the monitoring device outputs an alarm signal to the subscriber device when the setting value from the subscriber device is out of the setting value of the substation side relay board, and the subscriber device according to the alarm signal from the monitoring device. It is desirable to generate an alarm.

또한, 상기 모니터링 장치는 상기 가입자측 장치으로부터의 설정값이 변전소측 계전반의 설정값을 벗어나는 경우 해당 가입자측 장치로 전력 차단신호를 출력하고, 상기 가입자측 장치는 상기 모니터링 장치로부터의 전력 차단신호에 따라 해당 가입자측 계전반의 전력 차단기를 작동시켜 해당 가입자측으로의 전력을 차단하는 것이 바람직하다.In addition, the monitoring device outputs a power cutoff signal to the subscriber-side device when the setting value from the subscriber-side device is out of the setting value of the substation side relay board, and the subscriber-side device outputs a power cutoff signal from the monitoring device. In accordance with the present invention, it is preferable to cut off the power to the subscriber side by operating the power breaker of the subscriber station relay panel.

가입자측 계전기의 설정값이 변전소 계전기의 설정값을 벗어나지 않도록 하기 위하여 변전소측 계전기와 가입자측 계전기의 설정값을 모니터링함으로써 가입자측에 과부하가 발생하는 것을 방지할 수 있게 된다. 이에 따라, 해당 가입자측 뿐만 아니라 타 가입자측의 정전 사고를 예방할 수 있고, 또한 변전소와 가입자 사이의 전력선의 충전전류에 의한 전력선 손상도 예방할 수 있게 된다.It is possible to prevent overload on the subscriber side by monitoring the setting values of the substation side relay and the subscriber side relay so that the set value of the subscriber side relay does not deviate from the set value of the substation relay. Accordingly, it is possible to prevent a power failure accident on the subscriber side as well as the other subscriber side, and also to prevent damage to the power line due to the charging current of the power line between the substation and the subscriber.

이하, 첨부도면을 참조하여 본 발명에 따른 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템에 대하여 상세히 설명한다.여기서 반복되는 설명, 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능, 및 구성에 대한 상세한 설명은 생략한다. 본 발명의 실시형태는 당 업계에서 평균적인 지식을 가진 자에게 본 발명을 보다 완전하게 설명하기 위해서 제공되는 것이다. 따라서, 도면에서의 요소들의 형상 및 크기 등은 보다 명확한 설명을 위해 과장될 수 있다. Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the sub-station side relay and the set value monitoring system of the subscriber side relay in accordance with the present invention. Detailed description thereof will be omitted. Embodiments of the present invention are provided to more completely describe the present invention to those skilled in the art. Accordingly, the shape and size of elements in the drawings may be exaggerated for clarity.

도 2는 본 발명에 따른 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템을 도시한 도면이다.2 is a diagram illustrating a set value monitoring system of a substation side relay and a subscriber side relay according to the present invention.

본 발명의 시스템은 도 2에 도시한 바와 같이, 변전소측 계전기(10)와, 가입자측 계전기(20_1~20_n), 변전소측 장치(15), 가입자측 장치(25_1~25_n) 및 모니터링 장치(30)를 포함하여 구성된다.2, the substation side relay 10, the subscriber side relays 20_1 to 20_n, the substation side device 15, the subscriber side devices 25_1 to 25_n, and the monitoring device 30, as shown in FIG. It is configured to include).

상기 변전소측 계전반(10)은 전력이 분기되어 복수의 가입자측 계전반(20_1~20_n)으로 공급하며, 전력 차단기와 과전류 보호 계전기를 구비하고 있다.The substation side relay panel 10 is branched from the power supply to the plurality of subscriber side relay panels 20_1 to 20_n, and includes a power breaker and an overcurrent protection relay.

상기 가입자측 계전반(20_1~20_n)은 상기 변전소측 계전반(10)으로부터 분기되어 입력되는 전력을 각 부하로 분기하여 공급하며, 전력 차단기와 과전류 보호 계전기를 구비하고 있다.The subscriber side relay boards 20_1 to 20_n branch off and supply power input from the substation side relay board 10 to each load, and include a power breaker and an overcurrent protection relay.

상기 변전소측 장치(15)는 변전소측에 설치되어 변전소측 계전반(10)의 과전류 보호 계전기의 설정값(예를 들면, 전압 설정값, 전류 설정값 및 전력 설정값 등)를 감지하여 상기 모니터링 장치(30)로 전송한다.The substation-side device 15 is installed on the substation side to detect and monitor a set value (eg, a voltage set value, a current set value and a power set value, etc.) of the overcurrent protection relay of the substation side relay board 10. Transmit to device 30.

상기 가입자측 장치(25_1~25_n)는 각각 가입자측에 설치되어 각 가입자측 계전반(20_1~20_n)의 과전류 보호 계전기의 설정값(예를 들면, 전압 설정값, 전류 설정값 및 전력 설정값 등)를 감지하여 상기 모니터링 장치(30)로 전송한다. 또, 상기 가입자측 장치(25_1~25_n)는 해당 가입자측 계전반(20_1~20_n)의 과전류 보호 계전기의 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 상기 모니터링 장치(30)로부터의 경보신호에 따라 경보신호를 발생하도록 구성되어 있어도 된다. 또한, 상기 가입자측 장치(25_1~25_n)는 해당 가입자측 계전반(20_1~20_n)의 과전류 보호 계전기의 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 상기 모니터링 장치(30)로부터의 전력 차단신호에 따라 해당 가입자측 계전반(20_1~20_n)의 전력 차단기를 작동시켜 해당 가입자측으로의 전력을 차단하도록 구성되어 있어도 된다.The subscriber-side devices 25_1 to 25_n are respectively installed on the subscriber side and set value of the overcurrent protection relay of each subscriber side relay board 20_1 to 20_n (for example, voltage set value, current set value and power set value). ) Is detected and transmitted to the monitoring device 30. In addition, the subscriber device (25_1 ~ 25_n) is the monitoring device when the setting value of the over-current protection relay of the corresponding subscriber-side relay board (20_1 ~ 20_n) is out of the setting value of the over-current protection relay of the substation side relay board (10). It may be configured to generate an alarm signal in accordance with the alarm signal from (30). In addition, the subscriber device (25_1 ~ 25_n) is the monitoring device when the setting value of the over-current protection relay of the subscriber-side relay board (20_1 ~ 20_n) is out of the setting value of the over-current protection relay of the substation side relay board (10). According to the power cutoff signal from 30, the power breaker of the subscriber side relay boards 20_1 to 20_n may be operated to cut off power to the subscriber side.

상기 모니터링 장치(30)는 상기 변전소측 장치(15)와 상기 가입자측 장치(25_1~25_n)로부터 각각 변전소측과 가입자측의 설정값을 받아서 각 가입자측을감시한다. 또, 상기 모니터링 장치(30)는 특정 가입자측으로부터의 과전류 보호 계전기의 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 해당 가입자측 장치로 경보신호를 출력하도록 구성되어도 된다. 또한, 상기 모니터링 장치(30)는 특정 가입자측으로부터의 과전류 보호 계전기의 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 해당 가입자측 장치로 전력 차단신호를 출력하도록 구성되어도 된다.The monitoring device 30 receives the setting values of the substation side and the subscriber side from the substation side device 15 and the subscriber side devices 25_1 to 25_n, respectively, and monitors each subscriber side. In addition, the monitoring device 30 is configured to output an alarm signal to the subscriber side device when the set value of the overcurrent protection relay from the specific subscriber side is out of the setting value of the overcurrent protection relay of the substation side relay board 10. do. In addition, the monitoring device 30 is configured to output a power interruption signal to the corresponding subscriber side device when the setting value of the overcurrent protection relay from the specific subscriber side is out of the setting value of the overcurrent protection relay of the substation side relay board 10. You may be.

상기한 바와 같이 구성된 본 발명에 의하면, 모니터링 장치(30)는 변전소측 장치(15)와 가입자측 장치(25_1~25_n)로부터 각각 변전소측과 가입자측의 설정값을 받아서 각 가입자측의 전력을 감시한다. 이에 따라 본 모니터링 시스템의 운영자는 모든 가입자측의 전력을 통합해서 감시할 수 있게 된다.According to the present invention configured as described above, the monitoring device 30 receives the setting values of the substation side and the subscriber side from the substation side device 15 and the subscriber side devices 25_1 to 25_n, respectively, to monitor the power of each subscriber side. do. This allows the operator of this monitoring system to consolidate and monitor the power of all subscribers.

또, 모니터링 장치(30)는 예를 들면 가입자측 장치(25_2)로부터 입력되는 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 해당 가입자측 장치(25_2)로 경보신호를 출력하다. 이에 따라 해당 가입자측 장치(25_2)는 경보를 발생한다. 따라서, 해당 가입자측의 전력 운영자는 해당 가입자측 배전반(20_2)에 과부하가 걸린 것을 인지하여 신속한 조치를 취할 수 있게 되어 해당 가입자측 뿐만 아니라 타 가입자측의 정전 사고를 예방할 수 있고, 또한 변전소와 가입자 사이의 전력선의 충전전류에 의한 전력선 손상도 예방할 수 있게 된다.In addition, the monitoring device 30, for example, when the setting value input from the subscriber-side device (25_2) is out of the setting value of the overcurrent protection relay of the substation side relay panel 10 to the corresponding subscriber-side device (25_2). Output Accordingly, the subscriber-side device 25_2 generates an alarm. Therefore, the power operator of the subscriber side can recognize the overload of the subscriber side switchboard 20_2 and take a prompt action to prevent a power failure of the subscriber side as well as the other subscriber side, and also the substation and the subscriber. It is also possible to prevent power line damage due to charging current of power lines therebetween.

또한, 모니터링 장치(30)는 예를 들면 가입자측 장치(25_2)로부터 입력되는 설정값이 변전소측 계전반(10)의 과전류 보호 계전기의 설정값을 벗어나는 경우 해당 가입자측 장치(25_2)로 전력 차단신호를 출력한다. 이에 따라 해당 가입자측 장치(25_2)는 해당 가입자측 계전반(20_1~20_n)의 전력 차단기를 작동시켜 해당 가입자측으로의 전력을 차단한다. 따라서, 변전소측 계전반(10)에서 분기되는 타 가입자측의 정전 사고를 미연에 방지할 수 있고, 또한 변전소와 가입자 사이의 전력선의 충전전류에 의한 전력선 손상을 미연에 방지할 수 있게 된다.In addition, the monitoring device 30, for example, when the setting value input from the subscriber-side device 25_2 is out of the setting value of the overcurrent protection relay of the substation side relay panel 10, the power is cut off to the subscriber-side device 25_2. Output the signal. Accordingly, the subscriber-side device 25_2 operates the power breakers of the subscriber-side relay boards 20_1 to 20_n to cut off power to the corresponding subscriber side. Therefore, it is possible to prevent a power failure accident at the other subscriber side branching off from the substation side relay board 10, and to prevent the power line damage due to the charging current of the power line between the substation and the subscriber in advance.

이상, 본 발명의 바람직한 일 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발 명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형 실시예들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안될 것이다.As mentioned above, although one preferred embodiment of the present invention has been illustrated and described, the present invention is not limited to the specific embodiments described above, and the present invention belongs to the present invention without departing from the gist of the present invention claimed in the claims. Various modifications may be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

도 1은 종래 변전소에서 가입자측까지의 전력 계통을 개략적으로 도시한 도면이다.1 is a diagram schematically illustrating a power system from a conventional substation to a subscriber side.

도 2는 본 발명에 따른 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템을 도시한 도면이다.2 is a diagram illustrating a set value monitoring system of a substation side relay and a subscriber side relay according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10 : 변전소측 계전반 15 : 변전소측 장치10: substation side relay board 15: substation side device

20_1~20_n : 가입자측 계전반 25 : 가입자측 장치20_1 ~ 20_n: subscriber side relay board 25: subscriber side device

30 : 모니터링 장치 30: monitoring device

Claims (3)

변전소측에 설치되어 변전소측 계전반의 과전류 보호 계전기의 설정값을 감지하여 모니터링 장치로 전송하는 변전소측 장치와;A substation side device installed at the substation side for sensing a set value of an overcurrent protection relay of the substation side relay board and transmitting the set value to a monitoring device; 각 가입자측에 설치되어 각 가입자측 계전반의 과전류 보호 계전기의 설정값을 감지하여 모니터링 장치로 전송하는 가입자측 장치와;A subscriber side device installed at each subscriber side for detecting a set value of an overcurrent protection relay of each subscriber side relay board and transmitting the detected value to a monitoring device; 상기 변전소측 장치와 상기 가입자측 장치로부터 각각 변전소측과 가입자측의 설정값을 받아서 각 가입자측의 전력을 감시하는 모니터링 장치를 포함하여 구성된 것을 특징으로 하는 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템.A monitoring device configured to monitor the power of each subscriber side by receiving the setting values of the substation side and the subscriber side from the substation side device and the subscriber side device, respectively; system. 제1항에 있어서,The method of claim 1, 상기 모니터링 장치는 상기 가입자측 장치으로부터의 설정값이 변전소측 계전반의 설정값을 벗어나는 경우 해당 가입자측 장치로 경보신호를 출력하고,The monitoring device outputs an alarm signal to the corresponding subscriber side device when the setting value from the subscriber side device is out of the setting value of the substation side relay board, 상기 가입자측 장치는 상기 모니터링 장치로부터의 경보신호에 따라 경보신호를 발생하는 것을 특징으로 하는 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템.And the subscriber-side device generates an alarm signal according to the alarm signal from the monitoring device. 제1항에 있어서,The method of claim 1, 상기 모니터링 장치는 상기 가입자측 장치으로부터의 설정값이 변전소측 계 전반의 설정값을 벗어나는 경우 해당 가입자측 장치로 전력 차단신호를 출력하고,The monitoring device outputs a power cutoff signal to the corresponding subscriber-side device when the setting value from the subscriber-side device is out of the overall setting value of the substation side system. 상기 가입자측 장치는 상기 모니터링 장치로부터의 전력 차단신호에 따라 당 가입자측 계전반의 전력 차단기를 작동시켜 해당 가입자측으로의 전력을 차단하는 것을 특징으로 하는 변전소측 계전기와 가입자측 계전기의 설정값 모니터링 시스템.The subscriber side device operates the power breaker of the subscriber side relay board according to the power cutoff signal from the monitoring device to cut off power to the corresponding subscriber side. .
KR1020080106093A 2008-10-28 2008-10-28 System for monitoring relay of substation and relays of subscribers KR100954930B1 (en)

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Publication number Priority date Publication date Assignee Title
CN107305228A (en) * 2016-04-21 2017-10-31 国网辽宁省电力有限公司营口供电公司 A kind of intelligent substation relay protection test system

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JPH11308771A (en) 1998-04-24 1999-11-05 Hitachi Ltd Power supply controller
KR20030036286A (en) * 2003-02-17 2003-05-09 성보전기공업 주식회사 The remote electric power monitoring and controlling system and its process
JP3591580B2 (en) * 2000-07-24 2004-11-24 船井電機株式会社 Power consumption suppression notification system

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Publication number Priority date Publication date Assignee Title
JPH11308771A (en) 1998-04-24 1999-11-05 Hitachi Ltd Power supply controller
JP3591580B2 (en) * 2000-07-24 2004-11-24 船井電機株式会社 Power consumption suppression notification system
KR20030036286A (en) * 2003-02-17 2003-05-09 성보전기공업 주식회사 The remote electric power monitoring and controlling system and its process

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107305228A (en) * 2016-04-21 2017-10-31 国网辽宁省电力有限公司营口供电公司 A kind of intelligent substation relay protection test system

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