CN204129137U - A kind of electric power dry reactor strand distribution of current analog testing platform - Google Patents

A kind of electric power dry reactor strand distribution of current analog testing platform Download PDF

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Publication number
CN204129137U
CN204129137U CN201420555971.8U CN201420555971U CN204129137U CN 204129137 U CN204129137 U CN 204129137U CN 201420555971 U CN201420555971 U CN 201420555971U CN 204129137 U CN204129137 U CN 204129137U
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strand
current
against ground
insulation
dry reactor
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CN201420555971.8U
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毛传峰
蒋石林
王科
卜素
项恩新
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Electric Power Research Institute of Yunnan Power Grid Co Ltd
Electric Power Research Institute of Yunnan Power System Ltd
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Electric Power Research Institute of Yunnan Power System Ltd
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Abstract

A kind of electric power dry reactor strand distribution of current analog testing platform, by hollow induction type current lifting device (1), through the single-phase complete cut cable (2) of current lifting device hollow, the disposable insulation against ground device (3) of equivalence strand number, power frequency electric potential source (4), strand current testing device (5) is formed, wherein through single-phase complete cut cable (2) and equivalent strand number disposable insulation against ground device (3) the metallic closed loop in series of current lifting device hollow, metallic(return) circuit insulation against ground, and draw with the high pressure of power frequency electric potential source (4) and be connected, strand current testing device (5) carries out current data collection by the collecting unit (10) be placed on strand, by monitoring means (11) monitoring current data.The utility model has the remarkable advantage of real working condition simulation, strand electric current adjustable, wireless insulation mode communication arbitrarily, has positive inspiration and Practical Research meaning to solution dry reactor problems.

Description

A kind of electric power dry reactor strand distribution of current analog testing platform
Technical field
The utility model belongs to dry reactor runnability detect delay field, is particularly useful for the strand current strap electro-detection of dry reactor.
Background technology
Dry reactor has the features such as structure is simple, loss is little, cheap, non-maintaining, and replacing oil-immersed electric reactor has at present become the main product transported.Its inner structure is multiple encapsulating composition, and namely multiple concentric drums, sorts from inside to outside successively.Support by leading-drawing rod between concentric drums, leading-drawing rod is an epoxy glass fabric lath through from top to bottom.Each encapsulating is formed by many stacking coilings of aluminum steel according to model, the capacity different wire gauges insulated with (also i.e. turn-to-turn) between stock not etc.Dry reactor agent structure is exposed in atmospheric environment, is subject to the impact of environment, does not have magnetic conduction unshakable in one's determination, magnetic flux distribution space, thus its loss is comparatively large, has larger electromagnetic pollution around iron-core-free, unsaturated, reactor simultaneously, detection means is less, is unfavorable for the judgement in advance of fault.
A lot of dry reactor event of failure on fire has been there is in current national grid and south electric network, for Yunnan Power Grid Company, only namely there is Dehong office 500kV Dehong in January, 2010 to March and become scaling loss in No. 2 Reactor banks B phase reactors operations of No. 1 main transformer, 500kV Yanshan County of mountain of papers office becomes scaling loss in No. 2 reactance damage group A phase reactors operations of No. 1 main transformer, 500kV Yanshan County of mountain of papers office becomes scaling loss in No. 3 Reactor banks B phase reactors operations of No. 1 main transformer, 500kV Yanshan County of mountain of papers office become No. 1 main transformer No. 2 Reactor banks A phases again scaling loss rise from all around 35kV dry-type air-core reactor in parallel normally run in burning damage accident.At present in Yunnan Power Grid Company, 23 substation operations 255 35kV shunt compensation reactors, are dry reactor.The operation of dry reactor detects and has become practical problems in the urgent need to address.
Based on above actual conditions, propose a kind of thinking of building dry reactor strand distribution of current analog testing platform, and be achieved by technological means.The voltage and current operating mode of dry reactor is run at this platform laboratory simulation scene, utilize simulation dry reactor strand device and current monitoring device, start with from the monitoring of strand distributed current, analyze the otherness of the different strand distributed current of dry reactor, to realize the research of fault equivalence judgement basis.
Summary of the invention
The utility model technology is conceived to the foundation of dry reactor strand distribution of current analog testing platform, measure for sub-thread or multiply strand electric current, effective simulation and the otherness of different strand distributed current under understanding dry reactor operating condition, for fault analysis provides basic data and effective foundation.
The utility model is realized by following technical proposal.
A kind of electric power dry reactor strand distribution of current analog testing platform, by hollow induction type current lifting device, through the single-phase complete cut cable of current lifting device hollow, the disposable insulation against ground device of equivalence strand number, power frequency electric potential source, strand current testing device is formed, wherein through single-phase complete cut cable and the equivalent strand number disposable insulation against ground device metallic closed loop in series of current lifting device hollow, metallic(return) circuit insulation against ground, and be connected with the high pressure exit of power frequency electric potential source, strand current testing device carries out current data collection by the collecting unit be placed on strand, by monitoring module monitors current data.
The utility model equivalence strand number disposable insulation against ground device by two copper bars, length be 1.2m-1.7m with 0.1m decile often plant length 15, totally 90, outer hoop insulation course, the wired nose in two ends, sectional area 15mm 2strand, connect described two copper bars fixed insulation plate, support copper bar insulation column form, wherein each copper bar is provided with 90 apertures, install for strand, be provided with 1 macropore, for connecting main through-flow cable, two blocks of fixed insulation plates wrap copper bar and form " mouth " font platform, and four thoroughly do away with edge shore supports " mouth " font platform, make copper bar, strand insulation against ground.
The utility model strand current testing device is made up of collecting unit and monitoring means; Wherein: collecting unit is sequentially connected by the current coil of the band magnetic core opening be placed on tested strand or buckle structure, signal processing module, wireless transmitter module, wherein signal processing module, wireless transmitter module connect lithium battery respectively and form; Monitoring means to be changed with data by wireless receiving module and display module is connected and is connected to supply module and forms by holding with being placed in.
The utility model content is set forth further below in conjunction with accompanying drawing and example.
Accompanying drawing explanation
Fig. 1 is that the utility model dry reactor strand distribution of current analog testing platform runs schematic diagram;
Fig. 2 is the utility model equivalence strand number disposable insulation against ground device schematic diagram;
Fig. 3 is that the utility model collecting unit forms schematic diagram;
Fig. 4 is that the utility model monitoring means forms schematic diagram.
Specific embodiments
A kind of electric power dry reactor strand distribution of current analog testing platform, the utility model feature is:
Analog testing platform is by hollow induction type current lifting device 1, through the single-phase complete cut cable 2 of current lifting device hollow, the disposable insulation against ground device 3 of equivalence strand number, power frequency electric potential source 4, strand current testing device 5 is formed, wherein through single-phase complete cut cable 2 and the equivalent strand number disposable insulation against ground device 3 metallic closed loop in series of current lifting device hollow, metallic(return) circuit insulation against ground, and be connected with the high pressure exit of power frequency electric potential source 4, strand current testing device 5 carries out current data collection by the collecting unit 10 be placed on strand, by monitoring modular 11 monitoring current data.
The utility model equivalence strand number disposable insulation against ground device 3 by two copper bars 6, length be 1.2m-1.7m with 0.1m decile often plant length 15, totally 90, outer hoop insulation course, the wired nose in two ends, sectional area 15mm 2strand 7, connect described two copper bars fixed insulation plate 8, support the insulation column 9 of copper bar and form, wherein each copper bar 6 is provided with 90 apertures, install for strand 7, be provided with 1 macropore, for connecting main through-flow cable, two blocks of fixed insulation plates 8 wrap copper bar 6 and form " mouth " font platform, and four insulation columns 9 support " mouth " font platform, make copper bar 6, strand 7 insulation against ground.
The utility model strand current testing device 5 is made up of collecting unit 10 and monitoring means 11; Wherein: collecting unit 10 is sequentially connected by the current coil 12 of the band magnetic core opening be placed on tested strand or buckle structure, signal processing module 13, wireless transmitter module 14, wherein signal processing module 13, wireless transmitter module 14 connect lithium battery 15 respectively and form; Monitoring means 11 to be changed with data by wireless receiving module 16 and display module 17 is connected and is connected to supply module 18 and forms by holding with being placed in.
See Fig. 1, the figure shows dry reactor strand distributed current analog testing platform and run schematic diagram.Test platform is by hollow induction type current lifting device 1, through the single-phase complete cut cable 2 of current lifting device hollow, the disposable insulation against ground device 3 of equivalence strand number, power frequency electric potential source 4, strand current testing device 5 is formed, through single-phase complete cut cable 2 and the equivalent strand number disposable insulation against ground device 3 metallic closed loop in series of current lifting device hollow, metallic(return) circuit insulation against ground, and draw with the high pressure of power frequency electric potential source 4 and be connected, strand current testing device 5 carries out current data collection by the collecting unit 10 be placed on strand, by monitoring means 11 monitoring current data.
See Fig. 2 ,the figure shows equivalent strand number disposable insulation against ground device 3 schematic diagram.Device is made up of copper bar 6, strand 7, fixed insulation plate 8, insulation column 9.Fixed insulation plate 8 wraps copper bar 6 and forms " mouth " font platform, and four insulation columns 9 support " mouth " font platform, make copper bar 6, strand 7 insulation against ground.Seal in this device of current return, when flowing through certain electric current, distribution of current on 90 strands is uneven, especially the strand of Length discrepancy, therefore can measure the two ends copper bar 6 1. electric current of sub-thread strand that connects of number line nose, also can measure two ends copper bar 6 1., the 2. electric current of two strands of strands that connects of number line nose, the like, monitoring current data, in figure, No. I macropore is for connecting main through-flow cable.
See that Fig. 3, Fig. 4 collecting unit 10 gathers electric current by current coil 12, convert electrical signals to light signal by signal processing module 13, send signal finally by wireless transmitter module 14, collecting unit is powered by lithium battery 15.Monitoring means 11, by wireless receiving module 16 Received signal strength, to be changed by data and display module 17 shows current value, and monitoring means is powered by power supply unit 18.Fig. 3 shows the current coil 12 of band magnetic core opening or buckle structure, can clamp any one or more strands of strand, to monitor the current distributions of different strand, collecting unit 10 and monitoring means 11 adopt wireless transmit and wireless receive mode, isolation voltage and electric current, guarantee tester's safety.

Claims (3)

1. an electric power dry reactor strand distribution of current analog testing platform, it is characterized in that: analog testing platform is by hollow induction type current lifting device (1), through the single-phase complete cut cable (2) of current lifting device hollow, the disposable insulation against ground device (3) of equivalence strand number, power frequency electric potential source (4), strand current testing device (5) is formed, wherein through single-phase complete cut cable (2) and equivalent strand number disposable insulation against ground device (3) the metallic closed loop in series of current lifting device hollow, metallic(return) circuit insulation against ground, and be connected with the high pressure exit of power frequency electric potential source (4), strand current testing device (5) carries out current data collection by the collecting unit (10) be placed on strand, by monitoring modular (11) monitoring current data.
2. a kind of electric power dry reactor strand distribution of current analog testing platform according to claim 1, it is characterized in that: the disposable insulation against ground device (3) of equivalent strand number by two copper bars (6), length be 1.2m-1.7m with 0.1m decile often plant length 15, totally 90, outer hoop insulation course, the wired nose in two ends, sectional area 15mm 2strand (7), connect described two copper bars fixed insulation plate (8), support copper bar insulation column (9) form, wherein each copper bar (6) is provided with 90 apertures, install for strand (7), be provided with 1 macropore, for connecting main through-flow cable, two pieces of fixed insulation plates (8) wrap copper bar (6) and form " mouth " font platform, and four insulation columns (9) support " mouth " font platform, make copper bar (6), strand (7) insulation against ground.
3. a kind of electric power dry reactor strand distribution of current analog testing platform according to claim 1, is characterized in that: strand current testing device (5) is made up of collecting unit (10) and monitoring means (11); Wherein: collecting unit (10) is sequentially connected by the current coil (12) of the band magnetic core opening be placed on tested strand or buckle structure, signal processing module (13), wireless transmitter module (14), and wherein signal processing module (13), wireless transmitter module (14) connect lithium battery (15) respectively and form; Monitoring means (11) to be changed with data by wireless receiving module (16) and display module (17) is connected and is connected to supply module (18) and forms by holding with being placed in.
CN201420555971.8U 2014-09-25 2014-09-25 A kind of electric power dry reactor strand distribution of current analog testing platform Active CN204129137U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900992A (en) * 2019-03-29 2019-06-18 云南电网有限责任公司电力科学研究院 A kind of dry-type air-core reactor layering current measurement system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900992A (en) * 2019-03-29 2019-06-18 云南电网有限责任公司电力科学研究院 A kind of dry-type air-core reactor layering current measurement system and method

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