KR200180989Y1 - On-line system for a transformer load measure - Google Patents

On-line system for a transformer load measure Download PDF

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Publication number
KR200180989Y1
KR200180989Y1 KR2019990026086U KR19990026086U KR200180989Y1 KR 200180989 Y1 KR200180989 Y1 KR 200180989Y1 KR 2019990026086 U KR2019990026086 U KR 2019990026086U KR 19990026086 U KR19990026086 U KR 19990026086U KR 200180989 Y1 KR200180989 Y1 KR 200180989Y1
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South Korea
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load
transformer
data
current
management system
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KR2019990026086U
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Korean (ko)
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박우섭
한영목
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주식회사다현정보시스템
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3275—Fault detection or status indication
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • 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
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof

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

Abstract

본 고안은 변압기 부하 온라인 측정시스템에 관한 것으로서, 측정된 변압기의 부하측 전류를 데이터화 하여 양방향 호출기를 통해 부하예측 관리시스템으로 전송하여 줌으로써, 부하예측 관리시스템에서 전체 변압기의 부하에 대한 예측 관리를 저렴한 비용으로 간편하게 할 수 있도록 한 변압기 부하 온라인 측정시스템에 대한 것이다.The present invention relates to a transformer load on-line measurement system, which measures the load-side current of the measured transformer and transmits the data to the load prediction management system through the bidirectional pager, thereby reducing the predictive management of the load of the entire transformer in the load prediction management system. It is about a transformer load online measuring system that is made simple.

본 고안에 따르면, 변압기(2)의 전류를 검출하여 데이터화 한 다음 이동통신기지국(20)으로부터 호출신호를 수신 받게 되면 상기 데이터를 송신하는 부하데이터송수신기(10)와, 상기 이동통신기지국(20)을 통해 부하데이터송수신기(10)에 호출신호를 송신하고 해당 변압기(2)의 데이터를 전송 받아 모니터링 할 수 있도록 된 부하예측 관리시스템(30)으로 구성된 것을 특징으로 하는 변압기 부하 온라인 시스템 가 제공된다.According to the present invention, when the current of the transformer 2 is detected and converted into data, when a call signal is received from the mobile communication base station 20, the load data transmitter 10 for transmitting the data and the mobile communication base station 20 Through the load data transmission system through the load signal transmitter 10 is provided a transformer load on-line system, characterized in that the load prediction management system 30 configured to receive and monitor the data received from the transformer (2).

Description

변압기 부하 온라인 측정시스템{On-line system for a transformer load measure}On-line system for a transformer load measure

본 고안은 변압기 부하 온라인 측정시스템에 관한 것으로서, 보다 상세하게는 측정된 변압기의 부하측 전류를 데이터화 하여 양방향 호출기를 통해 부하예측 관리시스템으로 전송하여 줌으로써, 부하예측 관리시스템에서 전체 변압기의 부하에 대한 예측 관리를 저렴한 비용으로 간편하게 할 수 있도록 한 변압기 부하 온라인 측정시스템에 관한 것이다.The present invention relates to a transformer load online measuring system. More specifically, the load-side current of a measured transformer is converted into data and transmitted to the load prediction management system through a bidirectional pager, thereby predicting the load of the entire transformer in the load prediction management system. It relates to a transformer load on-line measurement system that makes management simple and inexpensive.

일반적으로, 변압기는 전력 수요지 근처의 고전압을 저전압으로 하강시키는데 사용되는데, 현대인들의 생활수준 향상으로 전력수요가 급증함에 따라 이러한 변압기의 사용 용량이 초과되어 잦은 훼손 사고가 발생하게 되었다.In general, transformers are used to lower high voltages near power demands to low voltages. As the demand for electric power increases due to the improvement of living standards of modern people, the use capacity of these transformers is exceeded, causing frequent damage accidents.

이와 같이, 변압기의 사용용량 초과시점을 사전에 예측하고 관리하지 못하여 잦은 훼손 사고가 발생하는 경우에는 불시정전으로 일반인의 생활에 불편을 주게 되는 문제점이 있었다. 따라서, 이러한 변압기를 점검하여 변압기의 부하시점을 예측하고 교체하는 등의 관리를 위해서 점검요원이 주기적으로 방문하여 체크하거나 유선 케이블 TV망을 통해 전류량을 확인하는 등의 여러 가지 방법이 이용되고 있다.As such, when frequent damage accidents occur due to failure to predict and manage the time when the capacity of the transformer is exceeded in advance, there is a problem in that it causes inconvenience to the general public due to an uninterrupted power failure. Therefore, various methods, such as checking the transformer and predicting and replacing the load point of the transformer, are regularly visited and checked by the inspector or checking the amount of current through the cable TV network.

그러나, 이러한 종래의 방법은 많은 작업인원이 필요하고 고가의 케이블 TV망을 이용하는 단점이 있다.However, this conventional method requires a large number of workers and has a disadvantage of using an expensive cable TV network.

본 고안은 상기의 문제점을 해결하기 위한 것으로서, 본 고안의 목적은 측정된 변압기 송전선의 부하측 전류에 대한 데이터를 무선호출 방식으로 관리시스템에 전송하여 사전에 변압기의 부하를 예측하고 관리함으로써 불시정전으로 인한 민원 발생을 줄일 수 있고 전체 변압기의 부하에 대한 자료취득에 있어서 고가의 회선설비나 인력이 필요치 않으면서도 간편하고 저렴하게 실시간으로 변압기 부하상태를 확인할 수 있는 변압기 부하 온라인 측정시스템을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is to transmit the data on the load-side current of the transformer transmission line to the management system by radio call method to predict and manage the load of the transformer in advance to the uninterrupted power failure It provides a transformer load online measuring system that can reduce the occurrence of civil complaints and check the transformer load status in real time easily and inexpensively without requiring expensive line equipment or manpower for data acquisition of the entire transformer load.

1. 본 고안에 따른 변압기 부하 온라인 측정시스템의 개략구성도1. Schematic diagram of a transformer load online measuring system according to the present invention

2. 본 고안에 따른 변압기 부하 데이터 송수신기의 블럭구성도2. Block diagram of transformer load data transceiver according to the present invention

〈도면의 주요부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

2. 변압기 4. 전신주2. Transformer 4. Telephone Pole

10. 부하데이터송수신기 12. 전류 측정부10. Load Data Transceiver 12. Current Measuring Unit

14. 정전압 전원부 16. A/D 변환부14. Constant Voltage Power Supply 16. A / D Conversion

18. 데이터 송수신부 20. 이동통신기지국18. Data transmitting and receiving unit 20. Mobile communication base station

30. 부하예측 관리시스템30. Load prediction management system

본 고안에 따르면, 변압기(2)의 전류를 검출하여 데이터화 한 다음 이동통신기지국(20)으로부터 호출신호를 수신 받게 되면 상기 데이터를 송신하는 부하데이터송수신기(10)와, 상기 이동통신기지국(20)을 통해 부하데이터송수신기(10)에 호출신호를 송신하고 해당 변압기(2)의 데이터를 전송 받아 모니터링 할 수 있도록 된 부하예측 관리시스템(30)으로 구성된 것을 특징으로 하는 변압기 부하 온라인 시스템이 제공된다.According to the present invention, when the current of the transformer 2 is detected and converted into data, when a call signal is received from the mobile communication base station 20, the load data transmitter 10 for transmitting the data and the mobile communication base station 20 Through the load data transmission system through the load signal transmitter 10 is provided a transformer load on-line system, characterized in that the load prediction management system 30 configured to receive and monitor the data received from the transformer (2).

본 고안의 다른 특징에 따르면, 상기 부하데이터송수신기(10)는 변압기(2)의 2차측 송전선에 연결되어 전류를 검출하는 전류 측정부(12)와, 데이터 송수신에 따른 전원전압을 공급하는 정전압 전원부(14)와, 상기 전류 측정부(12)로부터 검출된 전류를 디지털 신호로 변환시켜 주는 A/D변환부(16)와, 상기 부하예측 관리시스템(30)으로부터 호출신호를 수신 받게 되면 A/D변환부(16)로부터 출력받은 디지털신호 데이터를 송신하는 데이터송수신부(18)로 구성된 것을 특징으로 하는 변압기 부하 온라인 시스템이 제공된다.According to another feature of the present invention, the load data transmitter 10 is connected to the secondary transmission line of the transformer 2, the current measuring unit 12 for detecting the current, and a constant voltage power supply for supplying a power voltage according to data transmission and reception 14, an A / D converter 16 for converting the current detected by the current measuring unit 12 into a digital signal, and A / D when receiving a call signal from the load prediction management system 30; Provided is a transformer load online system comprising a data transmitter / receiver 18 for transmitting digital signal data output from the D converter 16.

이하, 본 고안의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, described with reference to the accompanying drawings, preferred embodiments of the present invention is as follows.

도 1 및 도 2는 본 고안에 따른 변압기 부하 예측 시스템을 도시한 것으로, 전신주상에 설치된 변압기(2)와, 전신주(4)의 일측에 설치되어 해당 변압기(2)의 전류를 측정하여 데이터화 한 다음 이동통신기지국(20)으로부터 호출신호를 받게 되면 데이터를 송신하는 부하데이터송수신기(10)와, 송수신된 신호를 중계해주는 이동통신기지국(20)와, 상기 이동통신기지국(20)을 통해 상기 부하데이터송수신기(10)로 호출신호를 송신하고 변압기 전류에 대한 데이터를 수신 받는 부하예측 관리시스템(30)으로 구성된다.1 and 2 illustrate a transformer load prediction system according to the present invention, which is installed on one side of a telephone pole and a transformer 2 installed on a telephone pole, and measures the current of the transformer 2 to make data. When receiving a call signal from the next mobile communication base station 20, the load data transmitter and receiver 10 for transmitting data, the mobile communication base station 20 for relaying the transmitted and received signals, and the load through the mobile communication base station 20 The load prediction management system 30 transmits a call signal to the data transmitter and receiver 10 and receives data on a transformer current.

또한, 상기 부하데이터송수신기(10)는 변압기(2)의 2차측 송전선에 연결되어 그 부하전류를 측정하는 전류 측정부(12)와, 데이터 송수신에 따른 전원을 공급하는 정전압 전원부(14)와, 상기 전류 측정부(12)로부터 검출된 부하전류를 디지털신호로 변환하는 A/D 변환부(16)와, 부하예측 관리시스템(30)으로부터 호출신호를 수신 받게되면 상기 A/D 변환부(16)로부터 출력된 디지털신호 데이터를 상기 이동통신기지국(20)을 통해 송신하는 데이터 송수신부(18)로 구성된다. 상기 데이터 송수신부(18)는 일반적인 양방향 호출기(삐삐)를 사용하게 된다.In addition, the load data transmitter 10 is connected to the secondary power line of the transformer 2, the current measuring unit 12 for measuring the load current, the constant voltage power supply unit 14 for supplying power according to data transmission and reception, The A / D converter 16 converts the load current detected by the current measuring unit 12 into a digital signal, and the A / D converter 16 when receiving a call signal from the load prediction management system 30. Data transmission and reception unit 18 for transmitting the digital signal data output from the through the mobile communication base station 20. The data transmission / reception unit 18 uses a general two-way pager (beep).

먼저, 전류 측정부(12)는 변압기(2)의 2차측 송전선상에 연결되어 전류를 검출하여 A/D변환부(16)로 출력하고 정전압 전원부(4)로부터 전원을 공급 받는다. A/D변환부(16)에서는 인가 받은 전류를 디지털신호로 변환하여 데이터 송수신부(18)로 전송하게 된다. 이어서, 상기 부하예측 관리시스템(30)으로부터 해당 변압기의 전류에 대한 데이터를 전송하라는 호출신호가 이동통신 기지국(20)을 통해 상기 데이터 송수신부(18)로 송신되면, 상기 데이터 송수신부(18)에서는 상기 A/D변환부(16)로부터 받은 디지털 신호 데이터를 이동통신 기지국(20)을 통해 상기 부하예측 관리시스템(30)으로 송신하게 된다.First, the current measuring unit 12 is connected to the secondary transmission line of the transformer 2 detects the current and outputs it to the A / D conversion unit 16 and receives power from the constant voltage power supply unit 4. The A / D converter 16 converts the applied current into a digital signal and transmits it to the data transmission / reception unit 18. Subsequently, when a call signal for transmitting data on the current of the transformer from the load prediction management system 30 is transmitted to the data transmission / reception unit 18 through the mobile communication base station 20, the data transmission / reception unit 18 In the digital signal data received from the A / D conversion unit 16 is transmitted to the load prediction management system 30 through the mobile communication base station 20.

이와 같이, 어떤 변압기(2)의 부하측 전류에 대한 데이터가 필요한 경우에는 해당 변압기(2)에 설치된 부하데이터송수신기(10)를 호출하여 측정한 전류 데이터를 실시간으로 부하예측 관리시스템(30)에서 전송 받아 모니터링 할 수 있으므로 저렴한 비용으로도 전체 변압기에 대한 부하를 예측하고 관리할 수 있다.As such, when data on the load side current of a certain transformer 2 is needed, the load data transmitter 10 installed in the transformer 2 is called to transmit the measured current data in real time from the load prediction management system 30. It can be monitored and received so that the load on the entire transformer can be predicted and managed at low cost.

또한, 본 고안의 변압기 부하 온라인 측정시스템은 전기를 사용하는 모든 제품에 있어서 전기사용량의 변화값을 실시간으로 확인하고 관리하고자 하는 경우에도 활용할 수 있다.In addition, the transformer load on-line measuring system of the present invention can be utilized when you want to check and manage the change value of the electricity consumption in real time in all products using electricity.

이상에서와 같이 본 고안에 의하면, 측정된 변압기의 부하측 전류를 데이터화하여 이동통신기지국을 통해 부하예측 관리시스템에 수집되도록 함으로써 전체 변압기에 대한 관리를 저렴한 비용으로 간편하게 할 수 있으며 변압기의 훼손 시점을 사전에 예측하고 관리함으로써 잦은 훼손 사고에 대비할 수 있게 된다.As described above, according to the present invention, by measuring the load-side current of the measured transformer to be collected in the load prediction management system through the mobile communication base station, it is possible to simplify the management of the entire transformer at low cost, and to pre-specify the point of damage to the transformer. By predicting and managing this, you can prepare for frequent damages.

Claims (2)

변압기(2)의 전류를 검출하여 데이터화 한 다음 이동통신기지국(20)으로부터 호출신호를 수신 받게 되면 상기 데이터를 송신하는 부하데이터송수신기(10)와, 상기 이동통신기지국(20)을 통해 부하데이터송수신기(10)에 호출신호를 송신하고 해당 변압기(2)의 데이터를 전송 받아 모니터링 할 수 있도록 된 부하예측 관리시스템(30)으로 구성된 것을 특징으로 하는 변압기 부하 온라인 시스템When the current of the transformer 2 is detected and converted into data, when a call signal is received from the mobile communication base station 20, the load data transmitter 10 transmits the data and the load data transmitter and receiver through the mobile communication base station 20. Transformer load on-line system, characterized in that consisting of the load prediction management system 30 to transmit the call signal to the transmission and monitoring the data of the transformer (2) 제 1항에 있어서, 상기 부하데이터송수신기(10)는 변압기(2)의 2차측 송전선에 연결되어 전류를 검출하는 전류 측정부(12)와, 데이터 송수신에 따른 전원전압을 공급하는 정전압 전원부(14)와, 상기 전류 측정부(12)로부터 검출된 전류를 디지털 신호로 변환시켜 주는 A/D변환부(16)와, 상기 부하예측 관리시스템(30)으로부터 호출신호를 수신 받게 되면 A/D변환부(16)로부터 출력받은 디지털신호 데이터를 송신하는 데이터송수신부(18)로 구성된 것을 특징으로 하는 변압기 부하 온라인 시스템The load data transmitter and receiver 10 is connected to the secondary power line of the transformer 2 to detect a current, and a constant voltage power supply 14 to supply a power voltage according to data transmission and reception. ), An A / D conversion unit 16 for converting the current detected by the current measuring unit 12 into a digital signal, and an A / D conversion when a call signal is received from the load prediction management system 30. Transformer load on-line system, characterized in that consisting of a data transmission and reception unit 18 for transmitting the digital signal data received from the unit 16
KR2019990026086U 1999-11-25 1999-11-25 On-line system for a transformer load measure KR200180989Y1 (en)

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