CN206649318U - A kind of supervising device of the loaded switch gear of transformer test - Google Patents
A kind of supervising device of the loaded switch gear of transformer test Download PDFInfo
- Publication number
- CN206649318U CN206649318U CN201720326878.3U CN201720326878U CN206649318U CN 206649318 U CN206649318 U CN 206649318U CN 201720326878 U CN201720326878 U CN 201720326878U CN 206649318 U CN206649318 U CN 206649318U
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- main control
- control unit
- supervising device
- switch gear
- transformer test
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Abstract
The utility model discloses a kind of supervising device of the loaded switch gear of transformer test, it is therefore intended that, substation transformer load ratio bridging switch is monitored in real time, improves operating efficiency, time saving and energy saving, used technical scheme is：Image unit (1) including load ratio bridging switch contacts status can be monitored, image unit (1) is wirelessly connected to main control unit (3) by wireless transmit/receive units (2), main control unit (3) connection PMU (4) and man-machine interaction unit (5), PMU (4) connecting test power supply, the main control unit (3) is the control unit based on three tunnel synchronous AC mensurations, and the test power supply is low distortion Intellight voltage-stabilizing current stabilization three-phase alternating-current supply.
Description
Technical field
It the utility model is related to field of power electronics, and in particular to a kind of monitoring of the loaded switch gear of transformer test
Device.
Background technology
Load ratio bridging switch, it is a kind of switching device that constant voltage is provided for transformer when loading and changing.Its is basic
Principle is exactly in the case where ensureing not interrupt load electric current, the switching between tap in Transformer Winding is realized, so as to change
Become the voltage ratio of the number of turn, i.e. transformer of winding, finally realize the purpose of pressure regulation.In power transmission and transformation industry now, large-scale transformation
Device is all widely mounted with load ratio bridging switch, and its quality of voltage to guarantee system and user plays an important role.Mesh
Preceding developed country is assembled with greatly load ratio bridging switch, China's power system and use to capacity in 10MVA and the above transformer
Family also more and more employs ULTC more, and load ratio bridging switch is its most critical, most expensive element.In power transformation
Stand in routine maintenance test, need more people to coordinate to complete control, monitoring and survey in on-load tap changers of transformers test process
Trial work is made, time consuming, is also easy to malfunction, it is often necessary to test repeatedly.Therefore one kind is needed to improve operating efficiency, it is time saving
Labour-saving device.
The content of the invention
, can be to substation transformer loaded tap-off the utility model proposes one kind in order to solve the problems of the prior art
Switch monitoring in real time, improves operating efficiency, the supervising device of the loaded switch gear of time saving and energy saving transformer test.
In order to realize the above object technical scheme is used by the utility model：Including that can monitor that loaded tap-off is opened
The image unit of contacts status is closed, image unit is wirelessly connected to main control unit, main control unit connection by wireless transmit/receive units
PMU and man-machine interaction unit, PMU connecting test power supply, the main control unit are same based on three tunnels
The control unit of AC measurment method is walked, the test power supply is low distortion Intellight voltage-stabilizing current stabilization three-phase alternating-current supply.
The image unit includes the camera for being arranged on load ratio bridging switch contact position, and camera is connected with control mould
Block, control module connection wireless transmit/receive units and power module.
The camera uses FXH-720CK cameras, and control module is used and is based onCortexTM- M3 control
Module, power module use YND5-12S03 power modules.
The man-machine interaction unit is intelligent terminal, the main control unit wireless connection intelligent terminal.
The main control unit is connected with the communication modules of lP-LJnk 1200 based on Zigbee protocol, the communication module without
Line connects intelligent terminal.
The man-machine interaction unit uses AA084SB01 displays.
The main control unit uses the SAM-P9320B main control units based on ARM9.
The wireless transmit/receive units use HLK-RM08S wireless data transmission modules.
The PMU uses the PMU based on TPS6591133.
Compared with prior art, the utility model obtains sub-connecting switch of transformer contact position state diagram using image unit
Picture, and the view data of test is transferred to main control unit by wireless transmit/receive units, main control unit is to be based on three tunnel timed deliveries
Flow measurement method, loaded switch transient process is described with three tunnel synchronous AC electric current waveforms, and be sent to man-machine interaction unit, make work
Industry personnel more accurate can really reflect on-load voltage regulating switch switching transient characteristic, and waveform is simply clear, transient process one
Mesh is clear.PMU connecting test power supply, test power supply use low distortion Intellight voltage-stabilizing current stabilization three-phase alternating-current supply, gram
Taken traditional DC measurement due to big inductance to the hysteresis of direct current so that transition waveform is difficult true reflection switch
The problem of the transient process of switching.The utility model realizes the visualization real-time monitoring in load ratio bridging switch test so that
On-the-spot test is quicker, safe and efficient completion, improves operating efficiency, time saving and energy saving.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of image unit；
Wherein, 1- image units, 2- wireless transmit/receive units, 3- main control units, 4- PMUs, 5- man-machine interaction lists
Member, 1-1- cameras, 1-2- control modules, 1-3- power modules.
Embodiment
With reference to specific embodiment and Figure of description the utility model is further explained explanation.
Referring to Fig. 1, the utility model includes the image unit 1 that can monitor load ratio bridging switch contacts status, and shooting is single
Member 1 is wirelessly connected to main control unit 3 by wireless transmit/receive units 2, and main control unit 3 connects PMU 4 and man-machine interaction
Unit 5, the connecting test power supply of PMU 4, main control unit 3 are the control units based on three tunnel synchronous AC mensurations,
Test power supply is low distortion Intellight voltage-stabilizing current stabilization three-phase alternating-current supply.Man-machine interaction unit 5 uses AA084SB01 displays.Or
Person's man-machine interaction unit 5 is intelligent terminal, and the wireless connection intelligent terminal of main control unit 3, intelligent terminal is smart mobile phone or flat
Plate etc.；Main control unit 3 is connected with the communication modules of lP-LJnk 1200 based on Zigbee protocol, communication module wireless connection intelligence
Terminal.Main control unit 3 uses the SAM-P9320B main control units based on ARM9.Wireless transmit/receive units 2 are wireless using HLK-RM08S
Digital transmission module.PMU 4 uses the PMU based on TPS6591133.
Referring to Fig. 2, image unit 1 includes the camera 1-1, camera 1-1 for being arranged on load ratio bridging switch contact position
Control module 1-2 is connected with, control module 1-2 connections wireless transmit/receive units 2 and power module 1-3, camera 1-1 use FXH-
720CK cameras, control module 1-2 are used and are based onCortexTM- M3 control module, power module 1-3 are used
YND5-12S03 power modules.
The utility model realizes loaded tap-off according to three-phase alternating-current supply synchronism detection load ratio bridging switch transient characteristic
Visualization real-time monitoring in switch testing so that on-the-spot test is quicker, safe and efficient completion.
The utility model is tested for substation transformer load ratio bridging switch transient characteristic, and image unit 1 is receiving master
Start monitoring program after controlling the instruction of unit 3, and monitoring picture is sent to main control unit 3, main control unit 3 passes through picture is monitored
5 display screens of man-machine interaction unit show that man-machine interaction unit 5 can both show that the test of load ratio bridging switch transient characteristic was bent
Line, it can also show that image unit 1 monitors shunting switch motion picture in a manner of picture-in-picture.Wireless transmit/receive units 2 and shooting
Unit 1 and main control unit 3 carry out data exchange, form the wireless data sending network of minimum, and PMU 4 connects low distortion intelligence
Can voltage stabilization and current stabilization three-phase alternating-current supply offer electric energy.
Image unit 1 video for shooting video camera 1-1, is passed through by wireless video transmission technology by control module 1-2
Cross wireless transmit/receive units 2 to transfer out, power module is 1-3.Wireless video transmission technology AP, is surveyed according to load ratio bridging switch
The features such as the characteristics of examination, that is, need to exchange is video data, and data volume is big, and transmission range is short is designed, the minimum nothing
Zigbee protocol of the line digital transmitting network based on IEEE 802.15.4, communicated using the lP-LJnk 1200 based on Zigbee protocol
Module has set up the wireless data sending network of minimum, builds up load ratio bridging switch test and monitoring system.
LP-LJnk 1200 communication module of the utility model based on Zigbee protocol has set up one small minimum wireless prison
Survey grid network, the monitoring system of on-load tap changers of transformers test and working face is realized, using wireless data sending mode, completely
On-the-spot test requirement is adapted to, it is easy for installation, using effective.Using picture-in-picture Display Technique, realize characteristic test and take into account work
The requirement of face monitoring, data transfer is stable, timely, realizes visualization on-load tap changers of transformers characteristic test.
Claims (9)
1. the supervising device of the loaded switch gear of a kind of transformer test, it is characterised in that including loaded tap-off can be monitored
The image unit (1) of switch contact state, image unit (1) are wirelessly connected to main control unit by wireless transmit/receive units (2)
(3), main control unit (3) connection PMU (4) and man-machine interaction unit (5), PMU (4) connecting test electricity
Source, the main control unit (3) are the control units based on three tunnel synchronous AC mensurations, and the test power supply is low distortion intelligence
Voltage stabilization and current stabilization three-phase alternating-current supply.
A kind of 2. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
The camera (1-1) that image unit (1) includes being arranged on load ratio bridging switch contact position is stated, camera (1-1) is connected with control
Molding block (1-2), control module (1-2) connection wireless transmit/receive units (2) and power module (1-3).
A kind of 3. supervising device of the loaded switch gear of transformer test according to claim 2, it is characterised in that institute
State camera (1-1) and use FXH-720CK cameras, control module (1-2) is used and is based onCortexTM- M3 control
Module, power module (1-3) use YND5-12S03 power modules.
A kind of 4. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
It is intelligent terminal to state man-machine interaction unit (5), main control unit (3) the wireless connection intelligent terminal.
A kind of 5. supervising device of the loaded switch gear of transformer test according to claim 4, it is characterised in that institute
State main control unit (3) and be connected with the communication modules of lP-LJnk 1200 based on Zigbee protocol, the communication module wireless connection
Intelligent terminal.
A kind of 6. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
State man-machine interaction unit (5) and use AA084SB01 displays.
A kind of 7. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
State main control unit (3) and use the SAM-P9320B main control units based on ARM9.
A kind of 8. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
State wireless transmit/receive units (2) and use HLK-RM08S wireless data transmission modules.
A kind of 9. supervising device of the loaded switch gear of transformer test according to claim 1, it is characterised in that institute
State PMU (4) and use the PMU based on TPS6591133.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326878.3U CN206649318U (en) | 2017-03-30 | 2017-03-30 | A kind of supervising device of the loaded switch gear of transformer test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326878.3U CN206649318U (en) | 2017-03-30 | 2017-03-30 | A kind of supervising device of the loaded switch gear of transformer test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206649318U true CN206649318U (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720326878.3U Active CN206649318U (en) | 2017-03-30 | 2017-03-30 | A kind of supervising device of the loaded switch gear of transformer test |
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| CN (1) | CN206649318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870278A (en) * | 2017-11-21 | 2018-04-03 | 国网浙江省电力公司宁波供电公司 | A kind of transformer test simulation system based on purple honeybee |
-
2017
- 2017-03-30 CN CN201720326878.3U patent/CN206649318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870278A (en) * | 2017-11-21 | 2018-04-03 | 国网浙江省电力公司宁波供电公司 | A kind of transformer test simulation system based on purple honeybee |
| CN107870278B (en) * | 2017-11-21 | 2024-04-30 | 国网浙江省电力公司宁波供电公司 | Transformer test simulation system based on zigbee |
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