CN103630784A - Online monitoring system for power distribution transformers - Google Patents
Online monitoring system for power distribution transformers Download PDFInfo
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- 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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- 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
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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
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Abstract
本发明公开了一种配电变压器在线监测系统，包括上位机、主控制器、温度传感器、电流检测模块、电压监测模块、功率因素监测模块和报警模块；上位机与主控制器相连接，主控制器分别与温度传感器、电流检测模块、电压监测模块、功率因素监测模块、报警模块相连接；本发明配电变压器在线监测系统通过电压、电流、功率因素的实时在线监测，掌握配电变压器的实时负载运行情况，通过无线温度传感器实时在线监测配电变压器本体及变压器本体上层油温，设置过温报警，预防配电变压器因过温引起故障。
The invention discloses an on-line monitoring system for distribution transformers, which includes an upper computer, a main controller, a temperature sensor, a current detection module, a voltage monitoring module, a power factor monitoring module and an alarm module; the upper computer is connected with the main controller, and the main The controller is respectively connected with the temperature sensor, the current detection module, the voltage monitoring module, the power factor monitoring module and the alarm module; the distribution transformer online monitoring system of the present invention can grasp the distribution transformer's real-time online monitoring of the voltage, current and power factor. Real-time load operation status, real-time online monitoring of the distribution transformer body and the oil temperature on the upper layer of the transformer body through wireless temperature sensors, and setting an over-temperature alarm to prevent distribution transformers from malfunctioning due to over-temperature.
Description
技术领域technical field
本发明涉及一种变电所配电变压器领域，具体是一种配电变压器在线监测系统。The invention relates to the field of distribution transformers in substations, in particular to an online monitoring system for distribution transformers.
背景技术Background technique
随着社会经济的不断发展，国内各行各业的用电量与日俱增，这就造成了目前电力供应紧张的状态，严重时还会形成电源性缺电现象。同时用户对供电系统的可靠性、电能的质量以及优质服务的要求也在不断提高，因此需要优质的配用电设备在解决错峰用电以及供电可靠性上发挥重要作用。With the continuous development of the social economy, the power consumption of various industries in the country is increasing day by day, which has caused the current state of tight power supply, and in severe cases, it will also cause power shortages. At the same time, the user's requirements for the reliability of the power supply system, the quality of electric energy and high-quality service are also constantly improving. Therefore, high-quality power distribution equipment is required to play an important role in solving peak-shift power consumption and power supply reliability.
配电网中配电变压器占举足轻重的作用且数量大，不仅本身价格极其昂贵，而且对环境有着很高的要求，配电变压器是否能够正常工作，影响整个配电网的正常工作，这就需要对配电变压器进行实时监测，以便调配，但目前国内的配电网在线监测技术存在一些不足，比如远程通讯方面欠缺，一般只能就地进行相关的监测，这样监测效率低；另外，监测系统功能单一，且采用的技术手段仍然较复杂，不利于推广应用。Distribution transformers play a pivotal role in the distribution network and are large in number. Not only are they extremely expensive, but they also have high requirements for the environment. Whether the distribution transformers can work normally will affect the normal operation of the entire distribution network, which requires Real-time monitoring of distribution transformers for deployment, but there are some deficiencies in the current domestic distribution network online monitoring technology, such as the lack of remote communication, generally only relevant monitoring can be carried out on the spot, so the monitoring efficiency is low; in addition, the monitoring system The function is single, and the technical means adopted are still relatively complicated, which is unfavorable for popularization and application.
由上可知，现有技术中缺少一种能够实时监测且可靠性高的配电变压器在线监测系统。It can be seen from the above that there is a lack of an on-line monitoring system for distribution transformers capable of real-time monitoring and high reliability in the prior art.
发明内容Contents of the invention
本发明的提供了一种实时监测、多功能、可靠性高的配电变压器在线监测系统。The present invention provides a real-time monitoring, multi-functional and highly reliable distribution transformer on-line monitoring system.
实现本发明目的的技术解决方案为：一种配电变压器在线监测系统，包括上位机、主控制器、温度传感器、电流检测模块、电压监测模块、功率因素监测模块和报警模块；所述温度传感器将实时温度无线传输给主控制器；主控制器分别与电流检测模块、电压监测模块、功率因素监测模块和报警模块相连接，电流检测模块、电压监测模块将配电电压器电压、电流传输给主控制器；功率因素监测模块通过主控制器与上位机相连接，实时监测配电变压器的功率因素。The technical solution to realize the object of the present invention is: an online monitoring system for distribution transformers, including a host computer, a main controller, a temperature sensor, a current detection module, a voltage monitoring module, a power factor monitoring module and an alarm module; the temperature sensor Wirelessly transmit the real-time temperature to the main controller; the main controller is respectively connected with the current detection module, voltage monitoring module, power factor monitoring module and alarm module, and the current detection module and voltage monitoring module transmit the voltage and current of the distribution voltage device to the The main controller; the power factor monitoring module is connected with the host computer through the main controller to monitor the power factor of the distribution transformer in real time.
本发明与现有技术相比，其显著优点在于：1）本发明配电变压器在线监测系统通过电压、电流、功率因素的实时在线监测，掌握配电变压器的实时负载运行情况；2）本发明通过无线温度传感器实时在线监测配电变压器本体及变压器本体上层油温，设置过温报警，预防配电变压器因过温引起故障。Compared with the prior art, the present invention has significant advantages: 1) The distribution transformer online monitoring system of the present invention can grasp the real-time load operation status of the distribution transformer through the real-time online monitoring of voltage, current and power factors; 2) The present invention The wireless temperature sensor is used to monitor the temperature of the distribution transformer body and the upper oil layer of the transformer body online in real time, and set an over-temperature alarm to prevent the distribution transformer from malfunctioning due to over-temperature.
下面结合附图对本发明作进一步详细描述。The present invention will be described in further detail below in conjunction with the accompanying drawings.
附图说明Description of drawings
图1为本发明配电变压器在线监测系统的结构示意图。Fig. 1 is a schematic structural diagram of the distribution transformer online monitoring system of the present invention.
具体实施方式Detailed ways
如图1所示，本发明是一种配电变压器在线监测系统，包括上位机、主控制器、温度传感器、电流检测模块、电压监测模块、功率因素监测模块和报警模块；所述温度传感器与主控制器相连，将实时温度无线传输给主控制器；主控制器分别与电流检测模块、电压监测模块、功率因素监测模块和报警模块相连接，电流检测模块、电压监测模块将配电电压器电压、电流传输给主控制器；功率因素监测模块通过主控制器与上位机相连接，实时监测配电变压器的功率因素。As shown in Figure 1, the present invention is an online monitoring system for distribution transformers, including a host computer, a main controller, a temperature sensor, a current detection module, a voltage monitoring module, a power factor monitoring module and an alarm module; the temperature sensor and The main controller is connected, and the real-time temperature is wirelessly transmitted to the main controller; the main controller is respectively connected with the current detection module, voltage monitoring module, power factor monitoring module and alarm module, and the current detection module and voltage monitoring module will distribute voltage The voltage and current are transmitted to the main controller; the power factor monitoring module is connected with the host computer through the main controller to monitor the power factor of the distribution transformer in real time.
所述上位机通过485总线与主控器相连接。The host computer is connected with the main controller through the 485 bus.
所述主控制器采用单片机AT89C51芯片。The main controller adopts single-chip microcomputer AT89C51 chip.
所述报警模块包括过温报警单元、过电流报警单元和过压报警单元。The alarm module includes an over-temperature alarm unit, an over-current alarm unit and an over-voltage alarm unit.
所述温度传感器采用无线温度传感器。The temperature sensor adopts a wireless temperature sensor.
所述电流检测模块采用型号为LQG‐0.5的电流互感器。The current detection module adopts a current transformer of model LQG-0.5.
电压监测模块采用型号为JDZX10‐10的电压互感器。The voltage monitoring module uses a voltage transformer of the type JDZX10-10.
所述功率因素监测模块采用功率因素表，功率因素表通过主控制器AT89C51传输给上位机。The power factor monitoring module adopts a power factor meter, and the power factor meter is transmitted to the upper computer through the main controller AT89C51.
下面结合实施例对本发明配电变压器在线监测系统进一步说明：The distribution transformer online monitoring system of the present invention will be further described below in conjunction with the embodiments:
实施例1Example 1
结合图1，一种配电变压器在线监测系统，包括上位机、主控制器、温度传感器、电流检测模块、电压监测模块、功率因素监测模块和报警模块；上位机与主控制器相连接，主控制器分别与温度传感器、电流检测模块、电压监测模块、功率因素监测模块、报警模块相连接。所述电流检测模块采用电流互感器，电压监测模块采用电压互感器，实时监测配电电压器电压、电流，掌握配电变压器的实时负载运行情况。Combined with Figure 1, an online monitoring system for distribution transformers, including a host computer, a main controller, a temperature sensor, a current detection module, a voltage monitoring module, a power factor monitoring module and an alarm module; the host computer is connected to the main controller, and the main The controller is respectively connected with the temperature sensor, the current detection module, the voltage monitoring module, the power factor monitoring module and the alarm module. The current detection module adopts a current transformer, and the voltage monitoring module adopts a voltage transformer to monitor the voltage and current of the distribution transformer in real time, and grasp the real-time load operation status of the distribution transformer.
上位机通过485总线与主控器相连接，主控制器采用单片机AT89C51芯片；报警模块包括过温报警单元、过电流报警单元和过压报警单元；温度传感器采用无线温度传感器；电流检测模块采用型号为LQG‐0.5的电流互感器，电压监测模块采用型号为JDZX10‐10的电压互感器。The upper computer is connected to the main controller through the 485 bus, and the main controller adopts the single-chip microcomputer AT89C51 chip; the alarm module includes an over-temperature alarm unit, an over-current alarm unit and an over-voltage alarm unit; the temperature sensor adopts a wireless temperature sensor; the current detection module adopts a model The current transformer is LQG-0.5, and the voltage monitoring module uses a voltage transformer of the type JDZX10-10.
功率因素监测模块采用功率因素表，功率因素表通过主控制器AT89C52传输给上位机，工作人员可以实时监测配电变压器的功率因素。The power factor monitoring module uses a power factor meter, which is transmitted to the host computer through the main controller AT89C52, and the staff can monitor the power factor of the distribution transformer in real time.
实施例2Example 2
一种配电变压器在线监测系统，包括上位机、主控制器、温度传感器、电流检测模块、电压监测模块、功率因素监测模块和报警模块；所述温度传感器与主控制器相连，将实时温度无线传输给主控制器；主控制器分别与电流检测模块、电压监测模块、功率因素监测模块和报警模块相连接，电流检测模块、电压监测模块将配电电压器电压、电流传输给主控制器；功率因素监测模块通过主控制器与上位机相连接，实时监测配电变压器的功率因素。An on-line monitoring system for distribution transformers, including a host computer, a main controller, a temperature sensor, a current detection module, a voltage monitoring module, a power factor monitoring module, and an alarm module; the temperature sensor is connected to the main controller, and the real-time temperature Transmission to the main controller; the main controller is respectively connected with the current detection module, the voltage monitoring module, the power factor monitoring module and the alarm module, and the current detection module and the voltage monitoring module transmit the voltage and current of the distribution voltage device to the main controller; The power factor monitoring module is connected with the host computer through the main controller to monitor the power factor of the distribution transformer in real time.
所述上位机通过485总线与主控器相连接。所述主控制器采用单片机AT89C51芯片。所述温度传感器采用无线温度传感器。所述电流检测模块采用型号为LQG‐0.5的电流互感器。电压监测模块采用型号为JDZX10‐10的电压互感器。所述功率因素监测模块采用功率因素表，功率因素表通过主控制器AT89C51传输给上位机。The host computer is connected with the main controller through the 485 bus. The main controller adopts single-chip microcomputer AT89C51 chip. The temperature sensor adopts a wireless temperature sensor. The current detection module adopts a current transformer of model LQG-0.5. The voltage monitoring module uses a voltage transformer of the type JDZX10-10. The power factor monitoring module adopts a power factor meter, and the power factor meter is transmitted to the upper computer through the main controller AT89C51.
综上所述，本发明提供了一种配电变压器在线监测系统优化了功能，提高了监测效率和可靠性。In summary, the present invention provides an on-line monitoring system for distribution transformers with optimized functions and improved monitoring efficiency and reliability.
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Cited By (10)
| 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 |
-
2013
- 2013-12-04 CN CN201310646785.5A patent/CN103630784A/en active Pending
Cited By (11)
| 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 |