KR100374132B1 - Wireless transceiver for transformer load - Google Patents
Wireless transceiver for transformer load Download PDFInfo
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- KR100374132B1 KR100374132B1 KR10-2000-0009746A KR20000009746A KR100374132B1 KR 100374132 B1 KR100374132 B1 KR 100374132B1 KR 20000009746 A KR20000009746 A KR 20000009746A KR 100374132 B1 KR100374132 B1 KR 100374132B1
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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
- 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
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
본 발명은 변압기 부하 무선송수신 시스템에 관한 것으로서, 보다 상세하게는 변압기의 부하관리 및 배전계획 수립을 저렴한 비용으로 간편하게 할 수 있도록 한 변압기 부하 무선송수신 시스템에 관한 것이다.The present invention relates to a transformer load wireless transmission / reception system, and more particularly, to a transformer load wireless transmission / reception system for simplifying the load management and distribution planning of a transformer at low cost.
본 발명에 따르면, 변압기(1)의 2차측 송전선에 연결되어 전류 또는 전압강하를 검출하고 검출된 전류 및 전압의 부하데이터를 무선 송신하도록 된 다수개의 부하측정유니트(10)와, 서로 인접된 복수개의 부하측정유니트(10)와 소정 데이터를 송수신하면서 수신된 부하데이터를 하나의 데이터로 변환하는 집중화유니트(20)와, 이동통신기지국(30)을 통해 상기 집중화유니트(20)와 소정의 데이터를 송수신하며 집중화유니트(20)로부터 수신된 부하데이터를 모니터링할 수 있도록 된 중앙관리기(40)를 포함하여 구성되며, 상기 부하측정유니트(10)는 그 내부에 제어부(8)가 구비되어 급격한 전류변동이나 전압강하가 검출되면 이때의 전류 및 전압의 부하데이터를 집중화유니트(20)와 이동통신기지국(30)을 통해 중앙관리기(40)에 전송하여 모니터링되도록 하며, 상기 중앙관리기(40)로부터 데이터요구신호가 집중화유니트(20)에 수신되면 집중화유니트(20)는 다수개의 부하측정유니트(10)로부터 부하데이터를 수신받아 이를 하나의 데이터로 변환하여 상기 중앙관리기(40)에 전송하여 이를 모니터링할 수 있도록 된 것을 특징으로 하는 변압기 부하 무선송수신 시스템이 제공된다.According to the present invention, a plurality of load measuring units 10 connected to the secondary power line of the transformer 1 to detect current or voltage drop and to wirelessly transmit load data of the detected current and voltage, and a plurality of adjacent ones The centralized unit 20 converts the received load data into one data while transmitting and receiving predetermined data with the two load measuring units 10 and the centralized unit 20 and the predetermined data through the mobile communication base station 30. It is configured to include a central management unit 40 to transmit and receive and monitor the load data received from the centralized unit 20, the load measuring unit 10 is provided with a control unit 8 therein the sudden current fluctuations Or when a voltage drop is detected, the load data of current and voltage at this time is transmitted to the central manager 40 through the centralization unit 20 and the mobile communication base station 30 so as to be monitored. When the data request signal from the central manager 40 is received by the centralizing unit 20, the centralizing unit 20 receives load data from a plurality of load measuring units 10, converts the load data into one data, and then converts the data into a single data. Provided is a transformer load wireless transmission and reception system, characterized in that it can be transmitted to monitor).
Description
본 발명은 변압기 부하 무선송수신 시스템에 관한 것으로서, 보다 상세하게는 변압기의 부하관리 및 배전계획 수립을 저렴한 비용으로 간편하게 할 수 있도록 한 변압기 부하 무선송수신 시스템에 관한 것이다.The present invention relates to a transformer load wireless transmission / reception system, and more particularly, to a transformer load wireless transmission / reception system for simplifying the load management and distribution planning of a transformer at low cost.
전력수용가의 불시정전을 예방하고 배전계획을 수립하기 위해서는 배전용 변압기의 부하데이터를 측정하고 데이터베이스화 하여야 한다. 그러나, 종래에는 변압기의 부하시점을 예측하고 교체하는 등의 관리를 위해서 점검요원이 주기적으로 방문하여 체크하기 때문에 많은 작업인원이 필요하였고 필요한 시점에 실시간으로 데이터를 수집할 수 없는 문제점이 있었다. 따라서, 근래에는 유선 케이블 TV망을 통해 변압기의 부하 데이터를 측정하는 방법이 개발되기도 하였으나 이는 고가의 케이블 TV망을 이용해야 하기 때문에 시설 및 유지관리비가 상승되는 문제점이 있었다.In order to prevent uninterrupted power outages and establish a distribution plan, load data of distribution transformers should be measured and databased. However, in the related art, a number of working personnel were required because the inspection personnel periodically visited and checked for management such as predicting and replacing the load time of the transformer, and there was a problem that data could not be collected in real time when needed. Therefore, in recent years, a method of measuring load data of a transformer through a wired cable TV network has been developed. However, since an expensive cable TV network has to be used, there is a problem in that facility and maintenance costs are increased.
본 발명은 상기의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 변압기의 부하관리 및 배전계획의 수립을 위해 부하 데이터를 간편하고 저렴하게 실시간으로 수집하여 관리할 수 있는 변압기 부하 무선송수신 시스템을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is to provide a transformer load wireless transmission and reception system that can collect and manage the load data in real time simply and inexpensively to establish the load management and distribution plan of the transformer. It is.
도 1은 본 발명의 일실시예에 따른 변압기 부하 무선송수신 시스템의 개략도1 is a schematic diagram of a transformer load wireless transmission / reception system according to an embodiment of the present invention.
도 2는 본 발명의 또 다른 실시예에 따른 변압기 부하 무선송수신 시스템의 개략도2 is a schematic diagram of a transformer load wireless transmission / reception system according to another embodiment of the present invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
1. 변압기 2. 부하측정부1. Transformer 2. Load measurement unit
4. A/D변환부 6. 제어부4. A / D conversion part 6. Control part
8. 송수신부 10. 부하측정유니트8. Transmitter and receiver 10. Load measurement unit
20. 집중화유니트 30. 이동통신기지국20. Centralization unit 30. Mobile communication base station
40. 중앙관리기40. Central Manager
본 발명에 따르면, 변압기(1)의 2차측 송전선에 연결되어 전류 또는 전압강하를 검출하고 검출된 전류 및 전압의 부하데이터를 무선 송신하도록 된 다수개의 부하측정유니트(10)와, 서로 인접된 복수개의 부하측정유니트(10)와 소정 데이터를 송수신하면서 수신된 부하데이터를 하나의 데이터로 변환하는 집중화유니트(20)와, 이동통신기지국(30)을 통해 상기 집중화유니트(20)와 소정의 데이터를 송수신하며 집중화유니트(20)로부터 수신된 부하데이터를 모니터링할 수 있도록 된 중앙관리기(40)를 포함하여 구성되며, 상기 부하측정유니트(10)는 그 내부에 제어부(8)가 구비되어 급격한 전류변동이나 전압강하가 검출되면 이때의 전류 및 전압의 부하데이터를 집중화유니트(20)와 이동통신기지국(30)을 통해 중앙관리기(40)에 전송하여 모니터링되도록 하며, 상기 중앙관리기(40)로부터 데이터요구신호가 집중화유니트(20)에 수신되면 집중화유니트(20)는 다수개의 부하측정유니트(10)로부터 부하데이터를 수신받아 이를 하나의 데이터로 변환하여 상기 중앙관리기(40)에 전송하여 이를 모니터링할 수 있도록 된 것을 특징으로 하는 변압기 부하 무선송수신 시스템이 제공된다.According to the present invention, a plurality of load measuring units 10 connected to the secondary power line of the transformer 1 to detect current or voltage drop and to wirelessly transmit load data of the detected current and voltage, and a plurality of adjacent ones The centralized unit 20 converts the received load data into one data while transmitting and receiving predetermined data with the two load measuring units 10 and the centralized unit 20 and the predetermined data through the mobile communication base station 30. It is configured to include a central management unit 40 to transmit and receive and monitor the load data received from the centralized unit 20, the load measuring unit 10 is provided with a control unit 8 therein the sudden current fluctuations Or when a voltage drop is detected, the load data of current and voltage at this time is transmitted to the central manager 40 through the centralization unit 20 and the mobile communication base station 30 so as to be monitored. When the data request signal from the central manager 40 is received by the centralizing unit 20, the centralizing unit 20 receives load data from a plurality of load measuring units 10, converts the load data into one data, and then converts the data into a single data. Provided is a transformer load wireless transmission and reception system, characterized in that it can be transmitted to monitor).
이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
도 1 및 도 2는 본 발명의 일실시예에 따른 변압기 부하 무선송수신 시스템의 개략도이다. 이를 참조하면, 상기 변압기 부하 무선송수신 시스템은 변압기(1)의 2차측 송전선에 연결되어 전류 또는 전압강하를 검출하고 검출된 전류 및 전압의 부하데이터를 무선 송신하도록 된 부하측정유니트(10)와, 서로 인접된 복수개의 부하측정유니트(10)를 관리하는 집중화유니트(20)와, 이동통신기지국(30)을 통해 각 집중화유니트(20)와 소정의 데이터를 송수신하는 중앙관리기(40)로 이루어진다.1 and 2 are schematic diagrams of a transformer load wireless transmission / reception system according to an embodiment of the present invention. Referring to this, the transformer load wireless transmission and reception system is connected to the secondary transmission line of the transformer (1) detects a current or voltage drop and load measurement unit 10 to wirelessly transmit load data of the detected current and voltage; The centralization unit 20 manages a plurality of load measurement units 10 adjacent to each other, and a central manager 40 transmitting and receiving predetermined data with each centralization unit 20 through the mobile communication base station 30.
이때, 상기 부하측정유니트(10)는 변압기(1)의 2차측 송전선과 연결되어 전류 또는 전압강하를 검출하는 부하측정부(2)와, 이 부하측정부(2)로부터 검출된 신호를 디지털 신호로 변환시켜 주는 A/D변환부(4)와, 이동통신기지국(30)과 데이터를 송수신하는 무선송수신부(6)와, 상기 A/D변환부(4), 무선송수신부(6)와 각기 연결되어 이를 제어하는 제어부(8)로 이루어진다.At this time, the load measuring unit 10 is connected to the secondary transmission line of the transformer 1, the load measuring unit 2 for detecting a current or voltage drop, and converts the signal detected from the load measuring unit 2 into a digital signal A / D conversion unit 4, a wireless transmission and reception unit 6 for transmitting and receiving data to and from the mobile communication base station 30, and the A / D conversion unit 4 and the wireless transmission and reception unit 6 are respectively connected. And a control unit 8 for controlling this.
따라서, 변압기(1)의 2차측 송전선에 연결된 부하측정부(2)로부터 전류 및 전압강하를 검출하여 A/D변환부(4)로 전달하면 A/D변환부(4)는 이를 디지털신호로 변환하여 제어부(8)로 전달한다. 이어서, 제어부(8)는 A/D변환부(4)로부터 입력되는 부하데이터가 설정치 이상으로 급격하게 변동되는 경우 A/D변환부(4)의 데이터가 이동통신기지국(30)을 통해 집중화유니트(20)로 전송되도록 제어한다.Accordingly, when the current and voltage drop are detected from the load measuring unit 2 connected to the secondary transmission line of the transformer 1 and transferred to the A / D converter 4, the A / D converter 4 converts it into a digital signal. To the control unit 8. Subsequently, when the load data input from the A / D converter 4 suddenly changes beyond the set value, the controller 8 causes the data of the A / D converter 4 to be concentrated through the mobile communication base station 30. Control to be transmitted to 20.
또한, 상기 무선송수신부(6)를 통해 집중화유니트(20)로부터 데이터요구신호가 부하측정유니트(10)로 전송되면 제어부(8)는 A/D변환부(4)의 부하데이터를 이동통신기지국(30)을 통해 집중화유니트(20)로 전송하여 이를 모니터링할 수 있도록 한다.In addition, when the data request signal is transmitted from the centralization unit 20 to the load measurement unit 10 through the wireless transmitter / receiver 6, the controller 8 transmits the load data of the A / D converter 4 to the mobile communication base station. Transmission through the 30 to the centralization unit 20 to monitor this.
한편, 도 2에 도시된 바와 같이, 서로 인접된 복수개의 부하측정유니트(10)는 이 부하측정유니트(10)와 소정 데이터를 송수신하면서 수신된 부하데이터를 하나의 데이터로 변환하는 집중화유니트(20)에 의해 관리된다. 이 집중화유니트(20)는 이동통신기지국(30)을 통해 중앙관리기(40)와 소정의 데이터를 송수신하며, 중앙관리기(40)는 집중화유니트(20)로부터 수신된 부하데이터를 모니터링할 수 있도록 된다.On the other hand, as shown in Figure 2, a plurality of load measuring unit 10 adjacent to each other centralized unit 20 for converting the received load data into a single data while transmitting and receiving the predetermined data with the load measuring unit 10 Is managed by). The centralized unit 20 transmits and receives predetermined data with the central manager 40 through the mobile communication base station 30, and the central manager 40 can monitor the load data received from the centralized unit 20. .
이때, 바람직하게 상기 부하측정유니트(10)의 무선송수신부(6)는 FRS방식의 단거리용 송수신기로서, 집중화유니트(20)와 무선송수신된다.At this time, preferably, the wireless transmitter / receiver 6 of the load measuring unit 10 is a short-range transceiver of the FRS method, and is wirelessly received and received by the centralization unit 20.
또한, 상기 집중화유니트(20)는 무선으로 연결된 다수개의 부하측정유니트(10)로부터 부하데이터를 수신받거나 중앙관리기(40)로부터 전송된 데이터 요청신호를 해당 부하측정유니트(10)로 송신하는 FRS채널(15)과, 수신된 데이터를 하나의 신호로 압축하는 데이터집중화부(16)와, 압축된 데이터를 이동통신기지국(30)을 통해 중앙관리기(40)로 송신하고 데이터요청신호를 수신받는 무선송수신부(17)로 구성된다.In addition, the centralization unit 20 receives the load data from the plurality of load measurement units 10 connected wirelessly or FRS channel for transmitting a data request signal transmitted from the central management unit 40 to the load measurement unit 10. 15, a data centralization unit 16 for compressing the received data into a single signal, and a radio for transmitting the compressed data to the central management unit 40 through the mobile communication base station 30 and receiving a data request signal. It consists of a transceiver 17.
상기 집중화유니트(20)는 대도시와 같이 변압기의 설치밀도가 높은 지역에 설치되어 서로 인접된 다수개의 부하측정유니트(10)와 FRS(Family Radio System), CDMA(Code Division Multiple Access) 및 IMS(Internet Message Service)방식의 무선 데이터통신 기술을 이용하여 데이터를 송수신한다.The centralization unit 20 is installed in an area with a high density of transformer installation, such as a large city, and adjacent to each other, a plurality of load measurement units 10, a family radio system (FRS), a code division multiple access (CDMA), and an IMS (Internet) Send and receive data using wireless data communication technology of Message Service).
따라서, 변압기(1)의 2차측 송전선에 연결된 부하측정부(2)로부터 전류 및 전압강하를 검출하여 A/D변환부(4)로 전달하면 A/D변환부(4)는 이를 디지털신호로 변환하여 제어부(8)로 전달한다. 이어서, 제어부(8)는 A/D변환부(4)로부터 입력되는 부하데이터가 설정치 이상으로 급격하게 변동되는 경우 A/D변환부(4)의 데이터를 집중화유니트(20)로 전송되도록 제어하며, 집중화유니트(20)는 수신된 부하데이터를 이동통신기지국(30)을 통해 중앙관리기(40)로 전송하여 이를 모니터링할 수 있도록 한다.Accordingly, when the current and voltage drop are detected from the load measuring unit 2 connected to the secondary transmission line of the transformer 1 and transferred to the A / D converter 4, the A / D converter 4 converts it into a digital signal. To the control unit 8. Subsequently, the controller 8 controls the data of the A / D converter 4 to be transmitted to the centralizing unit 20 when the load data inputted from the A / D converter 4 suddenly changes beyond the set value. The centralization unit 20 transmits the received load data to the central manager 40 through the mobile communication base station 30 so as to monitor the load data.
또한, 상기 집중화유니트(20)는 중앙관리기(40)로부터 데이터요구신호가 수신되면 다수개의 부하측정유니트(10)로부터 부하데이터를 수신받아 이를 하나의 데이터로 압축하여 상기 중앙관리기(40)에 전송하여 이를 모니터링할 수 있도록 한다.In addition, when the centralized unit 20 receives a data request signal from the central manager 40, the centralized unit 20 receives load data from a plurality of load measurement units 10, compresses it into one data, and transmits the data to the central manager 40. To monitor it.
이상에서와 같이 본 발명에 의하면, 변압기 부하 무선송수신 시스템은 측정된 변압기의 부하 데이터가 집중화유니트를 거쳐 구역별로 단일화되고, 무선 통신을 통해 실시간으로 중앙관리기에 전송되어 모니터링되므로 간편하고 저렴한 비용으로 편리하게 변압기의 부하관리를 할 수 있으며 사전에 배전계획을 수립할 수 있다. 또한, 급격한 전류변동 또는 전압 강하에 대해서도 이를 실시간으로 모니터링 할 수 있어 사전에 관리하고 대비할 수 있는 효과가 있다.As described above, according to the present invention, the transformer load wireless transmission / reception system is simple and low-cost because the load data of the measured transformer is unified by zone through a centralized unit and is transmitted and monitored in real time through wireless communication. It is possible to manage the load of the transformer and establish a distribution plan in advance. In addition, it can monitor in real time even for a sudden current change or voltage drop, it is effective to manage and prepare in advance.
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2000-0009746A KR100374132B1 (en) | 2000-02-28 | 2000-02-28 | Wireless transceiver for transformer load |
| KR2020000005447U KR200194689Y1 (en) | 2000-02-28 | 2000-02-28 | Wireless transceiver for transformer load |
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| KR10-2000-0009746A KR100374132B1 (en) | 2000-02-28 | 2000-02-28 | Wireless transceiver for transformer load |
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| KR100416926B1 (en) * | 2001-10-08 | 2004-02-05 | 주식회사 포러스테크놀로지 | Both transformer power load monitoring and watt meter reading remote control system |
| KR20050038252A (en) * | 2003-10-21 | 2005-04-27 | 한전케이디엔 주식회사 | Remote inspection system including transformer with relay units inside |
| KR101468887B1 (en) * | 2013-09-13 | 2014-12-05 | 오찬배 | Probe for measuring electric power load |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960008322A (en) * | 1994-08-10 | 1996-03-22 | 김일동 | Load current remote measuring device of power equipment |
| KR960027112A (en) * | 1994-12-31 | 1996-07-22 | 이종수 | Digital switchboard monitoring device and control method |
| KR19980019606A (en) * | 1996-09-02 | 1998-06-25 | 윤갑구 | Power failure and voltage fluctuation monitoring system |
| KR19990004268A (en) * | 1997-06-27 | 1999-01-15 | 이해규 | Detect, display, alarm and transmit transformer status information for underground distribution lines |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960008322A (en) * | 1994-08-10 | 1996-03-22 | 김일동 | Load current remote measuring device of power equipment |
| KR960027112A (en) * | 1994-12-31 | 1996-07-22 | 이종수 | Digital switchboard monitoring device and control method |
| KR19980019606A (en) * | 1996-09-02 | 1998-06-25 | 윤갑구 | Power failure and voltage fluctuation monitoring system |
| KR19990004268A (en) * | 1997-06-27 | 1999-01-15 | 이해규 | Detect, display, alarm and transmit transformer status information for underground distribution lines |
| KR100278466B1 (en) * | 1997-06-27 | 2001-02-01 | 이해규 | Detect, display, alarm and transmit transformer status information for underground distribution lines |
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