CN103630784A - Online monitoring system for power distribution transformers - Google Patents

Online monitoring system for power distribution transformers Download PDF

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Publication number
CN103630784A
CN103630784A CN201310646785.5A CN201310646785A CN103630784A CN 103630784 A CN103630784 A CN 103630784A CN 201310646785 A CN201310646785 A CN 201310646785A CN 103630784 A CN103630784 A CN 103630784A
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CN
China
Prior art keywords
monitoring
master controller
module
voltage
temperature sensor
Prior art date
Application number
CN201310646785.5A
Other languages
Chinese (zh)
Inventor
何亮
王健新
彭程
Original Assignee
国家电网公司
江苏省电力公司
江苏省电力公司连云港供电公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 国家电网公司, 江苏省电力公司, 江苏省电力公司连云港供电公司 filed Critical 国家电网公司
Priority to CN201310646785.5A priority Critical patent/CN103630784A/en
Publication of CN103630784A publication Critical patent/CN103630784A/en

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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

The invention discloses an online monitoring system for power distribution transformers. The online monitoring system comprises an upper computer, a master controller, a temperature sensor, a current detecting module, a voltage monitoring module, a power factor monitoring module and an alarm module; the upper computer is connected with the master controller, and the master controller is respectively connected with the temperature sensor, the current detecting module, the voltage monitoring module, the power factor monitoring module and the alarm module. The online monitoring system for the power distribution transformers has the advantages that voltages, currents and power factors are monitored in real time in an online manner, so that real-time load running conditions of the power distribution transformers can be mastered, bodies of the power distribution transformers and the temperatures of upper-layer oil of the bodies of the transformers are monitored in real time in an online manner via the wireless temperature sensor, the online monitoring system has a high-temperature alarm function, and faults of the power distribution transformers due to high temperatures can be prevented.

Description

A kind of substation transformer on-line monitoring system

Technical field

The present invention relates to a kind of electric substation's substation transformer field, specifically a kind of substation transformer on-line monitoring system.

Background technology

Along with socioeconomic development, the power consumption of domestic all trades and professions grows with each passing day, and this has just caused the state of current power supply shortage, when serious, also can form power-supply deficiency phenomenon.Simultaneously user is also improving constantly the requirement of the quality of the reliability of electric power system, electric energy and good service, therefore need high-quality join consumer solution use electricity in off-peak hours and power supply reliability on play a significant role.

In power distribution network substation transformer account for very important effect and quantity large, not only price own is extremely expensive, and environment is had to very high requirement, whether substation transformer can work, and affects the normal operation of whole power distribution network, this just need to carry out Real-Time Monitoring to substation transformer, so that allotment, but domestic power distribution network on-line monitoring technique comes with some shortcomings at present, such as telecommunication aspect shortcoming, the monitoring that generally can only be correlated with on the spot, monitors efficiency low like this; In addition, monitoring system functional is single, and the technological means adopting is still more complicated, is unfavorable for applying.

As from the foregoing, in prior art, lack a kind of can Real-Time Monitoring and the high substation transformer on-line monitoring system of reliability.

Summary of the invention

A kind of Real-Time Monitoring, the substation transformer on-line monitoring system that multi-functional, reliability is high of providing of the present invention.

The technical solution that realizes the object of the invention is: a kind of substation transformer on-line monitoring system, comprises host computer, master controller, temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular and alarm module; Described temperature sensor radios to master controller by real time temperature; Master controller is connected with alarm module with current detection module, voltage monitoring module, power factor (PF) monitoring modular respectively, current detection module, voltage monitoring module by distribution voltage device voltage, current delivery to master controller; Power factor (PF) monitoring modular is connected with host computer by master controller, the power factor (PF) of Real-Time Monitoring substation transformer.

Compared with prior art, its remarkable advantage is in the present invention: 1) substation transformer on-line monitoring system of the present invention, by the real time on-line monitoring of voltage, electric current, power factor (PF), is grasped the real-time load running situation of substation transformer; 2) the present invention by radio temperature sensor real time on-line monitoring substation transformer body and transformer body upper strata oil temperature, arranges overtemperature alarm, and prevention substation transformer causes fault because of excess temperature.

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Accompanying drawing explanation

Fig. 1 is the structural representation of substation transformer on-line monitoring system of the present invention.

Embodiment

As shown in Figure 1, the present invention is a kind of substation transformer on-line monitoring system, comprises host computer, master controller, temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular and alarm module; Described temperature sensor is connected with master controller, and real time temperature is radioed to master controller; Master controller is connected with alarm module with current detection module, voltage monitoring module, power factor (PF) monitoring modular respectively, current detection module, voltage monitoring module by distribution voltage device voltage, current delivery to master controller; Power factor (PF) monitoring modular is connected with host computer by master controller, the power factor (PF) of Real-Time Monitoring substation transformer.

Described host computer is connected with primary controller by 485 buses.

Described master controller adopts single chip computer AT 89C51 chip.

Described alarm module comprises overtemperature alarm unit, excess current alarm unit and over voltage alarm unit.

Described temperature sensor adopts radio temperature sensor.

Described current detection module adopt model be LQG ?0.5 current transformer.

Voltage monitoring module adopt model be JDZX10 ?10 voltage transformer (VT).

Described power factor (PF) monitoring modular adopts power-factor indicator, and power-factor indicator is transferred to host computer by master controller AT89C51.

Below in conjunction with embodiment, substation transformer on-line monitoring system of the present invention is further illustrated:

Embodiment 1

In conjunction with Fig. 1, a kind of substation transformer on-line monitoring system, comprises host computer, master controller, temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular and alarm module; Host computer is connected with master controller, and master controller is connected with temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular, alarm module respectively.Described current detection module adopts current transformer, and voltage monitoring module adopts voltage transformer (VT), Real-Time Monitoring distribution voltage device voltage, electric current, the real-time load running situation of grasp substation transformer.

Host computer is connected with primary controller by 485 buses, and master controller adopts single chip computer AT 89C51 chip; Alarm module comprises overtemperature alarm unit, excess current alarm unit and over voltage alarm unit; Temperature sensor adopts radio temperature sensor; Current detection module adopt model be LQG ?0.5 current transformer, voltage monitoring module adopt model be JDZX10 ?10 voltage transformer (VT).

Power factor (PF) monitoring modular adopts power-factor indicator, and power-factor indicator is transferred to host computer by master controller AT89C52, the power factor (PF) that staff can Real-Time Monitoring substation transformer.

Embodiment 2

A substation transformer on-line monitoring system, comprises host computer, master controller, temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular and alarm module; Described temperature sensor is connected with master controller, and real time temperature is radioed to master controller; Master controller is connected with alarm module with current detection module, voltage monitoring module, power factor (PF) monitoring modular respectively, current detection module, voltage monitoring module by distribution voltage device voltage, current delivery to master controller; Power factor (PF) monitoring modular is connected with host computer by master controller, the power factor (PF) of Real-Time Monitoring substation transformer.

Described host computer is connected with primary controller by 485 buses.Described master controller adopts single chip computer AT 89C51 chip.Described temperature sensor adopts radio temperature sensor.Described current detection module adopt model be LQG ?0.5 current transformer.Voltage monitoring module adopt model be JDZX10 ?10 voltage transformer (VT).Described power factor (PF) monitoring modular adopts power-factor indicator, and power-factor indicator is transferred to host computer by master controller AT89C51.

In sum, the invention provides a kind of substation transformer on-line monitoring system and optimized function, improved monitoring efficiency and reliability.

Claims (7)

1. a substation transformer on-line monitoring system, is characterized in that, comprises host computer, master controller, temperature sensor, current detection module, voltage monitoring module, power factor (PF) monitoring modular and alarm module; Described temperature sensor is connected with master controller, and real time temperature is radioed to master controller; Master controller is connected with alarm module with current detection module, voltage monitoring module, power factor (PF) monitoring modular respectively, current detection module, voltage monitoring module by distribution voltage device voltage, current delivery to master controller; Power factor (PF) monitoring modular is connected with host computer by master controller, the power factor (PF) of Real-Time Monitoring substation transformer.
2. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, described host computer is connected with primary controller by 485 buses.
3. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, described master controller adopts single chip computer AT 89C51 chip.
4. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, described temperature sensor adopts radio temperature sensor.
5. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, described current detection module adopts the current transformer that model is LQG-0.5.
6. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, voltage monitoring module adopts the voltage transformer (VT) that model is JDZX10-10.
7. a kind of substation transformer on-line monitoring system according to claim 1, is characterized in that, described power factor (PF) monitoring modular adopts power-factor indicator, and power-factor indicator is transferred to host computer by master controller AT89C51.
CN201310646785.5A 2013-12-04 2013-12-04 Online monitoring system for power distribution transformers CN103630784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310646785.5A CN103630784A (en) 2013-12-04 2013-12-04 Online monitoring system for power distribution transformers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310646785.5A CN103630784A (en) 2013-12-04 2013-12-04 Online monitoring system for power distribution transformers

Publications (1)

Publication Number Publication Date
CN103630784A true CN103630784A (en) 2014-03-12

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CN201310646785.5A CN103630784A (en) 2013-12-04 2013-12-04 Online monitoring system for power distribution transformers

Country Status (1)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407209A (en) * 2014-10-30 2015-03-11 国家电网公司 Energy efficiency metering detection method of distribution transformer
CN104502691A (en) * 2014-12-24 2015-04-08 镇江长河电力技术有限公司 Online monitoring and analysis device for energy efficiency of distribution transformer
CN104515919A (en) * 2014-12-24 2015-04-15 镇江长河电力技术有限公司 Energy-efficiency online monitoring and analysis system of distribution transformer
CN104833434A (en) * 2015-03-10 2015-08-12 国网浙江海盐县供电公司 On-line temperature monitoring device used for transformer
CN106019092A (en) * 2016-05-13 2016-10-12 江苏麟派电力科技有限公司 Comprehensive online monitoring device for distribution transformer
CN106248144A (en) * 2016-08-26 2016-12-21 国网山东省电力公司阳信县供电公司 A kind of electric power maintenance system
CN106443275A (en) * 2016-10-28 2017-02-22 中国舰船研究设计中心 Method and apparatus for monitoring low-voltage distribution transformer for ship
CN106989782A (en) * 2017-06-08 2017-07-28 国网四川省电力公司广元供电公司 A kind of working state monitoring system of transformer
CN107992133A (en) * 2016-10-27 2018-05-04 江苏瑞凌新能源科技有限公司 A kind of intelligent transformer control system
CN109115437A (en) * 2018-07-20 2019-01-01 国家电网公司 Distribution transformer status remote monitors system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407209A (en) * 2014-10-30 2015-03-11 国家电网公司 Energy efficiency metering detection method of distribution transformer
CN104407209B (en) * 2014-10-30 2018-03-16 国家电网公司 A kind of Energy Efficiency of Distribution Transformer gauge check method
CN104502691A (en) * 2014-12-24 2015-04-08 镇江长河电力技术有限公司 Online monitoring and analysis device for energy efficiency of distribution transformer
CN104515919A (en) * 2014-12-24 2015-04-15 镇江长河电力技术有限公司 Energy-efficiency online monitoring and analysis system of distribution transformer
CN104833434A (en) * 2015-03-10 2015-08-12 国网浙江海盐县供电公司 On-line temperature monitoring device used for transformer
CN106019092A (en) * 2016-05-13 2016-10-12 江苏麟派电力科技有限公司 Comprehensive online monitoring device for distribution transformer
CN106248144A (en) * 2016-08-26 2016-12-21 国网山东省电力公司阳信县供电公司 A kind of electric power maintenance system
CN107992133A (en) * 2016-10-27 2018-05-04 江苏瑞凌新能源科技有限公司 A kind of intelligent transformer control system
CN106443275A (en) * 2016-10-28 2017-02-22 中国舰船研究设计中心 Method and apparatus for monitoring low-voltage distribution transformer for ship
CN106989782A (en) * 2017-06-08 2017-07-28 国网四川省电力公司广元供电公司 A kind of working state monitoring system of transformer
CN109115437A (en) * 2018-07-20 2019-01-01 国家电网公司 Distribution transformer status remote monitors system

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Application publication date: 20140312