CN102944743A - Detection instrument, detection system and detection method for distribution and transformation tapping point gear - Google Patents
Detection instrument, detection system and detection method for distribution and transformation tapping point gear Download PDFInfo
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- CN102944743A CN102944743A CN2012104174821A CN201210417482A CN102944743A CN 102944743 A CN102944743 A CN 102944743A CN 2012104174821 A CN2012104174821 A CN 2012104174821A CN 201210417482 A CN201210417482 A CN 201210417482A CN 102944743 A CN102944743 A CN 102944743A
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Abstract
The invention discloses a detection instrument for a distribution and transformation tapping point gear. The detection instrument is mainly formed by mutually coupling and electrically connecting a tapping point winding coil resistance detection circuit part and a 485 data communication part of a distribution and transformation terminal. The invention further discloses a detection system for the distribution and transformation tapping point gear, and data interaction is carried out between the detection instrument for the distribution and transformation tapping point gear and the distribution and transformation terminal, so as to fulfill the function of remotely monitoring the state of the tapping joint gear of a transformer in real time. The invention provides a detection method on the basis of the detection system for the distribution and transformation tapping point gear to acquire and display the state and the resistance of the tapping point gear of the transformer and update the state and the resistance of the tapping point gear of the transformer to a terminal system. According to the invention, the state of the tapping point gear of the transformer is remotely monitored in real time on the site, and an abnormal warning is given when the state of the tapping point gear of the transformer is abnormal to notify an engineer to carry out on-site overhaul. The safety accidents caused to abnormity of the tapping point gear are avoided.
Description
Technical field
The present invention relates to electrical network Allocation transformer technology, more particular words it, the present invention relates to a kind of distribution transforming tap gear detector and detection method thereof.
Background technology
Main transformer in substation generally adopts autotransformer in the electrical network, when electric substation depart from major network, when load is larger, low-pressure side voltage is very low among the electric substation, the quality of power supply is difficult to guarantee.So for the operation voltage level that improves electrical network makes transformer a specified output voltage can be arranged, great majority be by the position that changes the primary winding shunting tap namely change the transformer coil access the number of turn what, change the output end voltage of transformer.In the three-phase coil of transformer primary side, draw several taps according to the different numbers of turn, these several taps are connected on the shunting switch according to certain mode of connection.There is a contact that can rotate at the center of switch, and when transformer need to be adjusted voltage, the position that changes shunting switch had just changed the transformation ratio of transformer, thereby changes the output voltage of transformer, makes it to satisfy the demand.The range state of load tap changer can only indicate to check by on-the-spot tap changer gear at present.
Summary of the invention
The present invention is intended to solve the defective that prior art exists, and designs a kind of distribution transforming tap gear detector and detection system, realizes the Real Time Monitoring to load tap changer gear resistance, need not site disposal.
In order to realize above-mentioned purpose of design, technical scheme 1 of the present invention designs a kind of distribution transforming tap gear detector, and it mainly partly intercouples to be electrically connected by tap winding coil resistance value testing circuit part with distribution transformer terminals 485 data communications and forms.
In order to realize above-mentioned purpose of design, technical scheme 2 of the present invention, design a kind of distribution transforming tap gear detection system, propose distribution transforming tap gear detector and distribution transformer terminals are carried out data interaction, and then realized the function of remote real time monitoring load tap changer range state.
In order to realize above-mentioned purpose of design, design proposal 3 of the present invention based on aforementioned distribution transforming tap gear detection system, proposes a kind of detection method, can carry out Real-time Obtaining and demonstration and be uploaded to terminal system load tap changer state and resistance.
Further, in a preferred embodiment of the invention, comprise a liquid crystal display that is connected to described cpu controller, be used for showing load tap changer gear resistance numerical value every a preset time period ground.
Technical scheme 2 of the present invention: a kind of distribution transforming tap gear detection system, it comprises foregoing distribution transforming tap gear detector, further comprise distribution transformer terminals opertaing device and remote monitoring alarm equipment, described distribution transforming tap gear detector sends data message to a controller of distribution transformer terminals opertaing device by its RS485 data communication end, described controller draws the gear ranked data after these data messages are processed, and passes through distribution transformer terminals telecommunication channel transfer to the remote monitoring alarm equipment.
Technical scheme 3 of the present invention: a kind of distribution transforming tap gear detection method comprises step: 1) by a resistance testing circuit Transformer Winding resistance is detected, and the resistance detection signal is sent to a cpu controller; 2) described cpu controller carries out reception ﹠ disposal to the resistance detection signal and draws the resistance data, and is transferred to the distribution transformer terminals opertaing device by RS485 data communication end; 3) by a controller to the resistance data analysis and carry out the gear classification and draw the gear data, and send to the power information acquisition system of remote monitoring alarm equipment by a distribution transformer terminals telecommunication passage; 4) described power information acquisition system is carried out Real-Time Monitoring to the gear data, sends alarm signal simultaneously when gear is unusual.
The invention has the beneficial effects as follows apparently, the present invention has filled up the blank that the load tap changer gear detects, and is the innovation to transformer real-time gear state inspection.By use of the present invention, solved (1) load tap changer range state and detected in real time; (2) the current range state of long-range main website Real-Time Monitoring load tap changer.
Beneficial effect behind employing the present invention: (1) has realized the real-time remote monitoring of on-the-spot load tap changer range state.(2) when finding that on-the-spot load tap changer range state is unusual, at once produce abnormality alarming, notify the engineering staff to carry out site examining and repairing.Avoided the security incident that causes because of tap gear abnormal problem.
Description of drawings
Preferred implementation of the present invention will be following by embodying with reference to the mode of accompanying drawing in detail, and the identical function components/modules among the figure is with same-sign mark in addition, wherein
Fig. 1 is the structure principle chart of distribution transforming tap gear detector of the present invention;
Fig. 2 is structure and the testing process schematic diagram of distribution transforming tap gear detection system of the present invention.
Embodiment
Embodiment 1:
With reference to Fig. 1, the preferred embodiment of distribution transforming tap gear detector 1 of the present invention comprises working power input end 11 and resistance collection terminal 12, further comprise cpu controller 13, resistance testing circuit 14 and RS485 data communication end 15, described resistance collection terminal 12 is connected to cpu controller 13 by resistance testing circuit 14, described cpu controller 13 sends to an external unit with data message by RS485 data communication end 15, and line of electric force cut-in operation power input 11 also is converted to cpu controller 13 and operating voltage that 485 data communication ends 15 are required.
Further, in a preferred embodiment of the invention, comprise a liquid crystal display 10 that is connected to described cpu controller 13, be used for showing load tap changer gear resistance numerical value every a preset time period ground.
Embodiment 2:
With reference to Fig. 2, the preferred embodiment of distribution transforming tap gear detection system of the present invention has comprised foregoing distribution transforming tap gear detector 1, further comprise distribution transformer terminals opertaing device 2 and remote monitoring alarm equipment 3, described distribution transforming tap gear detector 1 sends data message to a controller 21 of distribution transformer terminals opertaing device 2 by its RS485 data communication end 15, described controller 21 draws the gear ranked data after these data messages are processed, and is transferred to remote monitoring alarm equipment 3 by distribution transformer terminals telecommunication passage 22.
Embodiment 3:
A kind of distribution transforming tap gear detection method comprises step:
1) detects by 14 pairs of Transformer Winding resistances of a resistance testing circuit, and the resistance detection signal is sent to a cpu controller 13;
2) 13 pairs of resistance detection signals of described cpu controller carry out reception ﹠ disposal and draw the resistance data, and are transferred to distribution transformer terminals opertaing device 2 by RS485 data communication end 15;
3) by 21 pairs of resistance data analyses of a controller and carry out the gear classification and draw the gear data, and send to the power information acquisition system 31 of remote monitoring alarm equipment 3 by a distribution transformer terminals telecommunication passage 22;
4) 31 pairs of gear data of described power information acquisition system are carried out Real-Time Monitoring, send alarm signal simultaneously when gear is unusual.
Being preferred implementation of the present invention only below, being intended to embody outstanding technique effect of the present invention and advantage, is not to be restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all modifications of having done based on the technology of the present invention content, variation or substitute technology feature, all should be covered by in the technology category of claims opinion of the present invention.
Claims (4)
1. distribution transforming tap gear detector, it comprises working power input end (11) and resistance collection terminal (12), it is characterized in that: further comprise cpu controller (13), resistance testing circuit (14) and RS485 data communication end (15), described resistance collection terminal (12) is connected to cpu controller (13) by resistance testing circuit (14), described cpu controller (13) sends to an external unit with data message by RS485 data communication end (15), and line of electric force cut-in operation power input (11) also is converted to cpu controller (13) and the required operating voltage of RS485 data communication end (15).
2. distribution transforming tap gear detector as claimed in claim 1, it is characterized in that: further comprise a liquid crystal display (10) that is connected to described cpu controller (13), be used for showing load tap changer gear resistance numerical value every a preset time period ground.
3. distribution transforming tap gear detection system, it comprises distribution transforming tap gear detector as claimed in claim 1 (1), it is characterized in that: further comprise distribution transformer terminals opertaing device (2) and remote monitoring alarm equipment (3), described distribution transforming tap gear detector (1) sends data message to a controller (21) of distribution transformer terminals opertaing device (2) by its RS485 data communication end (15), described controller (21) draws the gear ranked data after these data messages are processed, and is transferred to remote monitoring alarm equipment (3) by distribution transformer terminals telecommunication passage (22).
4. a distribution transforming tap gear detection method is characterized in that comprising step: 1) by a resistance testing circuit (14) the Transformer Winding resistance is detected, and the resistance detection signal is sent to a cpu controller (13); 2) described cpu controller (13) carries out reception ﹠ disposal to the resistance detection signal and draws the resistance data, and is transferred to distribution transformer terminals opertaing device (2) by RS485 data communication end (15); 3) by a controller (21) to the resistance data analysis and carry out the gear classification and draw the gear data, and send to the power information acquisition system (31) of remote monitoring alarm equipment (3) by a distribution transformer terminals telecommunication passage (22); 4) described power information acquisition system (31) is carried out Real-Time Monitoring to the gear data, sends alarm signal simultaneously when gear is unusual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104174821A CN102944743A (en) | 2012-10-25 | 2012-10-25 | Detection instrument, detection system and detection method for distribution and transformation tapping point gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104174821A CN102944743A (en) | 2012-10-25 | 2012-10-25 | Detection instrument, detection system and detection method for distribution and transformation tapping point gear |
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| CN102944743A true CN102944743A (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104174821A Pending CN102944743A (en) | 2012-10-25 | 2012-10-25 | Detection instrument, detection system and detection method for distribution and transformation tapping point gear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929282A (en) * | 2016-06-02 | 2016-09-07 | 国网宁夏电力公司吴忠供电公司 | Transformer tap position adjustment loop testing device |
| CN109406917A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of detection system and method for distribution transforming gear state |
| CN110196370A (en) * | 2019-06-26 | 2019-09-03 | 山东电工电气集团智能电气有限公司 | The monitoring method and device of transformer |
| CN114554307A (en) * | 2021-10-26 | 2022-05-27 | 国网浙江省电力有限公司湖州供电公司 | Distribution transformer tap temperature control device based on IP wireless communication |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2336385Y (en) * | 1997-09-24 | 1999-09-01 | 周宏铎 | Microcomputerized automatic testing and handling device for taps of transformer |
| CN202837447U (en) * | 2012-10-25 | 2013-03-27 | 长兴县供电局 | Distribution and transformation tap position detector and distribution and transformation tap position detecting system |
-
2012
- 2012-10-25 CN CN2012104174821A patent/CN102944743A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2336385Y (en) * | 1997-09-24 | 1999-09-01 | 周宏铎 | Microcomputerized automatic testing and handling device for taps of transformer |
| CN202837447U (en) * | 2012-10-25 | 2013-03-27 | 长兴县供电局 | Distribution and transformation tap position detector and distribution and transformation tap position detecting system |
Non-Patent Citations (1)
| Title |
|---|
| 胡成群 等: "一种实用的有载分接开关档位检测调控装置", 《农村电气化》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929282A (en) * | 2016-06-02 | 2016-09-07 | 国网宁夏电力公司吴忠供电公司 | Transformer tap position adjustment loop testing device |
| CN109406917A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of detection system and method for distribution transforming gear state |
| CN110196370A (en) * | 2019-06-26 | 2019-09-03 | 山东电工电气集团智能电气有限公司 | The monitoring method and device of transformer |
| CN114554307A (en) * | 2021-10-26 | 2022-05-27 | 国网浙江省电力有限公司湖州供电公司 | Distribution transformer tap temperature control device based on IP wireless communication |
| CN114554307B (en) * | 2021-10-26 | 2023-10-20 | 国网浙江省电力有限公司湖州供电公司 | Distribution transformer sub-joint temperature control device based on IP wireless communication |
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Application publication date: 20130227 |