CN203243121U - Transformer load intelligent management system - Google Patents

Transformer load intelligent management system Download PDF

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Publication number
CN203243121U
CN203243121U CN2013202709367U CN201320270936U CN203243121U CN 203243121 U CN203243121 U CN 203243121U CN 2013202709367 U CN2013202709367 U CN 2013202709367U CN 201320270936 U CN201320270936 U CN 201320270936U CN 203243121 U CN203243121 U CN 203243121U
Authority
CN
China
Prior art keywords
transformer
processor
intelligent management
load intelligent
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2013202709367U
Other languages
Chinese (zh)
Inventor
张伟政
李智敏
林惠
郑琰
李璐
王桂亭
季国剑
曾新顺
钱之银
黄友民
李庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Zhengzhou Power Supply Co of Henan Electric Power Co
Zhengzhou Huali Information Technology Co Ltd
Original Assignee
State Grid Corp of China SGCC
Zhengzhou Power Supply Co of Henan Electric Power Co
Zhengzhou Huali Information Technology Co Ltd
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.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Zhengzhou Power Supply Co of Henan Electric Power Co, Zhengzhou Huali Information Technology Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN2013202709367U priority Critical patent/CN203243121U/en
Application granted granted Critical
Publication of CN203243121U publication Critical patent/CN203243121U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances

Abstract

The utility model discloses a transformer load intelligent management system. The transformer load intelligent management system comprises a processor; the processor is connected with one side end of an optoelectronic isolation unit through a SPI bus, and the other side end of the photoelectric isolation unit is connected with an AD converter, a relay and a switching quantity input unit respectively, wherein the AD converter is connected with analog signals and TC signals respectively, and the relay is connected with an external electric appliance; the processor is provided with an SD card interface, a USB interface and an indicating lamp respectively; the processor is connected with a communication interface through another one photoelectric isolation unit; and the TC signals comprise detection signals of a temperature detecting cable, an air temperature sensor, an air velocity sensor and a cooler temperature sensor. Based on external environmental factors and current operating conditions, the transformer load intelligent management system of the utility model can predict temperature changes of a transformer through real-time measurement of top-layer oil temperature of the transformer; and the transformer load intelligent management system can perform early warning for overheat situations of the transformer which appear possibly under an overload operation situation of the transformer and provides corresponding expected overload operation time, such that the utilization rate of the power transformer can be maximally improved, and energy-saving and efficiency-increasing operation of the transformer can be realized.

Description

Intelligent load management system for transformer
Technical field:
The utility model relates to a kind of Power Transformer Monitoring System, particularly relates to a kind of Intelligent load management system for transformer.
Background technology:
Transition and development along with national economy, contradiction between the development of some areas power supply capacity and the growth of actual demand day by day manifests, for responding actively this situation, promoted raising operating temperature, the multinomial technology such as dynamic compatibilization, heat resistance circuit in short-term of having adopted in the state net system, improved greatly the ability to transmit electricity of circuit, supporting power transformation station equipment (circuit breaker, isolating switch, current transformer etc.) has generally been taked technological transformation with it.Transformer is as the nucleus equipment of power transmission and transformation, yet for security consideration, its normal working capacity is all far below rated capacity at present, equipment does not reach effective utilization far away, the aging rapidly of the insulating material that causes of the temperature rise of the inner coiling hotspot of transformer to the key constraints that improves transformer utilization factor, will not cause transformer malfunctioning if do not control temperature rise, thereby cause feeder line fault, the impact power supply.
The utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of reasonable in design, simple in structure, Real Time Monitoring and the automatic Intelligent load management system for transformer of control are provided.
The technical solution of the utility model is: a kind of Intelligent load management system for transformer, contain processor, described processor is connected by the side of spi bus with the photoelectricity isolation, another side of described photoelectricity isolation is connected with AD converter, relay and switching value input respectively, described AD converter is connected with the TC signal with analog signal respectively, described relay is connected with outside electrical equipment, described processor is respectively arranged with SD card interface, USB interface and indicator light, and described processor is connected with communication interface by another photoelectricity isolation.
Being provided with two between described processor and the photoelectricity isolation latchs.Described TC signal comprises the detection signal of cable for measuring temperature, air temperature sensor, air air velocity transducer, air air velocity transducer and chiller temperature transducer.
Described communication interface and host computer interconnect.Described processor is connected with alarm.
The beneficial effects of the utility model are:
1, the utility model is by the real-time measurement to the transformer top-oil temperature, and in conjunction with external environment factor and current service conditions, variations in temperature to transformer is predicted, and the overheating conditions that can may occur transformer under transformer overload ruuning situation carries out early warning, corresponding overload Estimated Time Of Operation is provided, in order to improve to greatest extent the utilance of power transformer, make transformer reach the purpose of energy efficiency operation.
2, the utility model adopts the photoelectricity isolation, has improved Security of the system, avoids because the burst accidents such as extraneous thunderbolt to the infringement of system, prolong the useful life of system and reduce use cost.
3, the utility model, will be reported to the police if temperature surpasses predetermined value by the switch of Control external alert or index signal, reminds the staff to note protection.The switching value input signal is used for control appliance switch and switching working mode.
4, the utility model communication interface is the data-interface with PC, is used for receiving instruction that PC transmits and correction data and data upload to the PC that processor has calculated is shown, and is very convenient.
5, reasonable in design, simple in structure, the Real Time Monitoring of the utility model and automatically control, it is applied widely, is easy to promotion and implementation, has good economic benefit.
Description of drawings:
Fig. 1 is the circuit theory diagrams of Intelligent load management system for transformer.
Embodiment:
Embodiment: referring to Fig. 1,
Intelligent load management system for transformer contains processor, wherein: processor is connected by the side of spi bus with the photoelectricity isolation, another side of photoelectricity isolation is connected with AD converter, relay and switching value input respectively, AD converter is connected with the TC signal with analog signal respectively, relay is connected with outside electrical equipment, processor is respectively arranged with SD card interface, USB interface and indicator light, and processor is connected with communication interface by another photoelectricity isolation.
Being provided with two between processor and the photoelectricity isolation latchs.The TC signal comprises the detection signal of cable for measuring temperature, air temperature sensor, air air velocity transducer, air air velocity transducer and chiller temperature transducer.Communication interface and host computer interconnect.Processor is connected with alarm.
During work, the winding temperature of cable for measuring temperature Real-Time Monitoring transformer, and temperature signal passed to processor by photoelectricity isolation, processor calculates according to the temperature of winding, the parameters such as temperature, light application time and wind speed of air, obtains the adjustment parameter, when needing to regulate, processor drives cooler work by relay, makes the transformer cooling, and processor is uploaded host computer or backstage with data parameters, also receive the instruction on host computer or backstage, carry out temperature control.

Claims (5)

1. Intelligent load management system for transformer, contain processor, it is characterized in that: described processor is connected by the side of spi bus with the photoelectricity isolation, another side of described photoelectricity isolation is connected with AD converter, relay and switching value input respectively, described AD converter is connected with the TC signal with analog signal respectively, described relay is connected with outside electrical equipment, described processor is respectively arranged with SD card interface, USB interface and indicator light, and described processor is connected with communication interface by another photoelectricity isolation.
2. Intelligent load management system for transformer according to claim 1 is characterized in that: be provided with two between described processor and the photoelectricity isolation and latch.
3. Intelligent load management system for transformer according to claim 1, it is characterized in that: described TC signal comprises the detection signal of cable for measuring temperature, air temperature sensor, air air velocity transducer and chiller temperature transducer.
4. Intelligent load management system for transformer according to claim 1, it is characterized in that: described communication interface and host computer interconnect.
5. Intelligent load management system for transformer according to claim 1, it is characterized in that: described processor is connected with alarm.
CN2013202709367U 2013-05-17 2013-05-17 Transformer load intelligent management system Expired - Fee Related CN203243121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202709367U CN203243121U (en) 2013-05-17 2013-05-17 Transformer load intelligent management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202709367U CN203243121U (en) 2013-05-17 2013-05-17 Transformer load intelligent management system

Publications (1)

Publication Number Publication Date
CN203243121U true CN203243121U (en) 2013-10-16

Family

ID=49320379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013202709367U Expired - Fee Related CN203243121U (en) 2013-05-17 2013-05-17 Transformer load intelligent management system

Country Status (1)

Country Link
CN (1) CN203243121U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103268108A (en) * 2013-05-17 2013-08-28 郑州华力信息技术有限公司 Intelligent transformer load management system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103268108A (en) * 2013-05-17 2013-08-28 郑州华力信息技术有限公司 Intelligent transformer load management system
CN103268108B (en) * 2013-05-17 2016-08-03 国家电网公司 Intelligent load management system for transformer

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131016

Termination date: 20160517

CF01 Termination of patent right due to non-payment of annual fee