CN205720535U - A kind of partial discharge of transformer defects simulation device - Google Patents

A kind of partial discharge of transformer defects simulation device Download PDF

Info

Publication number
CN205720535U
CN205720535U CN201620380783.5U CN201620380783U CN205720535U CN 205720535 U CN205720535 U CN 205720535U CN 201620380783 U CN201620380783 U CN 201620380783U CN 205720535 U CN205720535 U CN 205720535U
Authority
CN
China
Prior art keywords
unit
defects simulation
partial discharge
transformator
shelf depreciation
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.)
Withdrawn - After Issue
Application number
CN201620380783.5U
Other languages
Chinese (zh)
Inventor
谢耀恒
刘赟
彭平
孙利朋
万勋
叶会生
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
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power 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, Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd, State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201620380783.5U priority Critical patent/CN205720535U/en
Application granted granted Critical
Publication of CN205720535U publication Critical patent/CN205720535U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of partial discharge of transformer defects simulation device, including power module, shelf depreciation defects simulation unit, transformator and detector unit;The outfan of described power module is connected with the input of described shelf depreciation defects simulation unit;The described outfan of shelf depreciation defects simulation unit is connected with the structure winding of described transformator, is used for simulating shelf depreciation defect;Described detector unit is connected with described transformator, for detecting the local discharge signal of transformator.This utility model can have a simple in construction for the labyrinth of transformator and various shelf depreciation type, the whole process of complete analogue transformer shelf depreciation, the advantage such as workable.

Description

A kind of partial discharge of transformer defects simulation device
Technical field
This utility model relates to a kind of transformator defects simulation device, particularly relates to a kind of partial discharge of transformer defects simulation device.
Background technology
State Grid Corporation of China is actively pushing forward intelligent grid construction, proposes the construction object of New Generation of Intelligent transformer station simultaneously.New Generation of Intelligent transformer station will with " system is highly integrated, topology layout is reasonable, it is advanced and applicable to equip, economical and energy saving environmental protection, support regulation and control one " as target.Intelligent transformer is as the crucial primary equipment in intelligent substation, and its intellectualized technology level is the key factor determining intelligent substation integral level.The research and experiment of the aspects such as the configuration of intelligent transformer intelligent assembly, performance detection, functional verification works, and transformer fault diagnosis and Condition-Based Maintenance Technology research work need the most deeply.
Owing to shelf depreciation is to cause transformer equipment insulation degradation until the main forms of arcing fault generation, main based on the shelf depreciation of existence in detection transformator in the detection of current intelligent transformer.Its main method has pulse current method, high-frequency method, supercritical ultrasonics technology and superfrequency method.Because transformator is the equipment with labyrinths such as iron core, winding, insulating board, magnetic shield, oil clearances, therefore, the propagation of the local discharge signal of transformator is sufficiently complex.Current existing different Partial discharge detectors device still needs to further investigate further for collection and the analysis of transformer inner discharge signal.Have partial simulation device at present, such as utility model patent: a kind of insulation defect simulation test device (201420559727.9) for oil-filled transformer, including insulating vessel, electrode and transformer oil, on its fixed pedestal, electrode is installed, insulating vessel is filled the transformer oil covering electrode.This kind of experimental simulation device is only the shelf depreciation analog of a kind of transformator, and operability is not strong, does not accounts for transformator and labyrinth, it is impossible to partial discharge of transformer defect carries out complete simulation, and carries out detection test.
Utility model content
The technical problems to be solved in the utility model is that the technical problem existed for prior art, this utility model provides a kind of workable, take into full account the labyrinth of transformator, analogue transformer shelf depreciation defect that can be complete, and detect the partial discharge of transformer defects simulation device obtaining transformer state parameter.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is: a kind of partial discharge of transformer defects simulation device, it is characterised in that: include power module, shelf depreciation defects simulation unit, transformator and detector unit;The outfan of described power module is connected with the input of described shelf depreciation defects simulation unit;The described outfan of shelf depreciation defects simulation unit is connected with the structure winding of described transformator, is used for simulating shelf depreciation defect;Described detector unit is connected with described transformator, for detecting the local discharge signal of transformator.
As further improvement of the utility model, described transformator includes tapping winding;Described tap winding includes that at least one tap lead, one end of described tap winding are connected to the diverse location of structure winding as input, the other end by different tap leads;The outfan of described shelf depreciation defects simulation unit is connected with described structure winding by a tap lead.
As further improvement of the utility model, also include that tap selects unit;Described tap selects the input of unit to be connected with the outfan of described shelf depreciation defects simulation unit, and outfan input with described tap winding respectively is connected.
As further improvement of the utility model, described shelf depreciation defects simulation unit includes needle plate point discharge analog, suspended discharge analog, ball plate Discharge Simulation device, oiled cardboard creeping discharge analog and air gap Discharge Simulation device.
As further improvement of the utility model, described detector unit includes detecting resistance and Partial discharge detector;The test side of described detection resistance is connected with described transformator, earth terminal ground connection;Described Partial discharge detector and described detection resistor coupled in parallel.
As further improvement of the utility model, the test side of described detection resistance is connected with sleeve pipe or the iron core of described transformator.
As further improvement of the utility model, described power module includes boosting unit and the protective resistance unit being sequentially connected with.
As further improvement of the utility model, the former end rated voltage of described single-phase voltage booster is 220V, and secondary end rated voltage is 20kV;The resistance of described protective resistance unit is 100k Ω.
As further improvement of the utility model, described boosting unit is single-phase voltage booster.
As further improvement of the utility model, described power module also includes power frequency supply unit;Described power frequency supply unit is connected with the former end of described boosting unit.
Compared with prior art, the utility model has the advantage of:
1, this utility model simple in construction, by dismounting, changing shelf depreciation defects simulation unit can analogue transformer various types of shelf depreciation defect easily.
2, this utility model is for the labyrinth of transformator, and the various shelf depreciation types of transformator, the whole process of simulated implementation partial discharge of transformer that can be complete, and effectively detect parameter situation when obtaining partial discharge of transformer, data true, effective is provided for research worker, workable.
Accompanying drawing explanation
Fig. 1 is this utility model example structure block diagram.
Fig. 2 is this utility model example structure schematic diagram.
Marginal data: 1, power module;11, power frequency supply unit;12, boosting unit;13, protective resistance unit;2, shelf depreciation defects simulation unit;3, tap selects unit;4, transformator;41, sleeve pipe;42, iron core;43, tap winding;44, structure winding;5, detector unit;51, detection resistance;52, Partial discharge detector.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, this utility model is further described, but the most therefore limits protection domain of the present utility model.
As depicted in figs. 1 and 2, the present embodiment, a kind of partial discharge of transformer defects simulation device, including power module 1, shelf depreciation defects simulation unit 2, transformator 4 and detector unit 5;The outfan of power module 1 is connected with the input of shelf depreciation defects simulation unit 2;The outfan of shelf depreciation defects simulation unit 2 is connected with the structure winding 44 of transformator 4, is used for simulating shelf depreciation defect;Detector unit 5 is connected with transformator 4, for detecting the local discharge signal of transformator 4.
In the present embodiment, power module 1 includes boosting unit 12 and the protective resistance unit 13 being sequentially connected with;For providing required power supply for shelf depreciation defects simulation unit 2.Boosting unit 12 is single-phase voltage booster, and its former end is connected with power supply grid, and the output port of secondary end is connected with protective resistance unit 13, grounding ports ground connection.In the present embodiment, in order to reduce the dependence to electric network source of this utility model modular device, power module 1 also includes that power frequency supply unit 11, power frequency supply unit 11 are connected with the former end of boosting unit 12, for providing the power supply needed for this utility model analog.In the present embodiment, the voltage that power frequency supply unit 11 is provided is 220V, and the former end rated voltage of single-phase voltage booster is 220V, and secondary end rated voltage is 20kV.The resistance of protective resistance unit 13 is 100k Ω.It is of course also possible to according to actual needs, power frequency supply unit 11 selects different voltage to export, and selects the single-phase voltage booster of suitable rated voltage;Protective resistance unit 13 can also select suitable resistance according to actual needs.
In the present embodiment, shelf depreciation defects simulation unit 2 includes needle plate point discharge analog, suspended discharge analog, ball plate Discharge Simulation device, oiled cardboard creeping discharge analog and air gap Discharge Simulation device.Certainly, shelf depreciation defects simulation unit 2 is not limited solely to the present embodiment and says a few class Discharge Simulation devices enumerating explanation.In the present embodiment, the corresponding a type of shelf depreciation defect of each Discharge Simulation device, each shelf depreciation analog is an independent unit, by being installed to analog of the present utility model by independent Discharge Simulation device, the simulation to the type shelf depreciation can be realized.By shelf depreciation defects simulation unit 2 is used independent cellular structure, by dismounting, change this shelf depreciation defects simulation unit 2, the simulation to various shelf depreciation defects can be realized flexibly, there is the advantage such as simple in construction, flexible, convenience.
In the present embodiment, the outfan of shelf depreciation defects simulation unit 2 is connected to the diverse location of the structure winding 44 of transformator 4, i.e. by adjusting the junction point of shelf depreciation defects simulation unit 2 and the structure winding of transformator 4, select to access the diverse location of the structure winding 44 of transformator 4 analog of the present utility model, thus realize being injected into the shelf depreciation defect that shelf depreciation defects simulation unit 2 is simulated the different parts of transformator.In the present embodiment, transformator 4 includes tapping winding 43;Tap winding 43 includes that at least one tap lead, one end of tap winding 43 are connected to the diverse location of structure winding 44 as input, the other end by different tap leads;The outfan of shelf depreciation defects simulation unit 2 is connected with structure winding 44 by a tap lead.The input of outfan with tap winding 43 by changing shelf depreciation defects simulation unit 2 is connected, and can realize selecting the on-position of structure winding 44 flexibly so that the injection of shelf depreciation defect is more flexible and convenient.In the present embodiment, between the outfan and the input of tap winding 43 of shelf depreciation defects simulation unit 2, it is additionally provided with tap and selects unit 3;Tap selects unit 3 to include an input and multiple outfan, is switched by switching, can realize the conducting between input and an outfan;Tap selects the input of unit 3 to be connected with the outfan of shelf depreciation defects simulation unit 2, and outfan is connected with the input tapping winding 43 respectively.Tap selects unit 3 for manually selecting unit or electronic selection unit.Unit 3 is selected by tap, when needing the diverse location selecting transformator 4 structure winding 44, without to the junction point rewiring between local discharge defect analogue unit 2 and transformer tap winding 43, have only to switching tap and select the position of the switch of unit 3, the access to structure winding 44 diverse location can be realized easily.
In the present embodiment, detector unit 5 includes detecting resistance 51 and Partial discharge detector 52;The test side of detection resistance 51 is connected with transformator 4, earth terminal ground connection;Partial discharge detector 52 is in parallel with detection resistance 51.The test side of detection resistance 51 is connected with sleeve pipe or the iron core of transformator 4.In the present embodiment, including 2 detector units 5, the first detector unit and the second detector unit;The test side detecting resistance 51 in first detection sub-unit is connected with the sleeve pipe 41 of transformator 4;The test side detecting resistance 51 in second detector unit is connected with the iron core 42 of transformator 4.Detection resistance 51 is for obtaining the local discharge signal of transformator, and is detected this local discharge signal by Partial discharge detector 52.First detector unit is for detecting the local discharge signal at transformator 4 sleeve pipe 41, and the second detector unit, for detecting the local discharge signal at transformator 4 iron core 42, provides data basis for carrying out partial discharge of transformer Study of Defects.It is of course also possible to according to actual needs, select more detector unit 5, or the detection resistance in detector unit 5 is connected with the diverse location of transformator 4, gather the local discharge signal of transformator 4 diverse location.
Above-mentioned simply preferred embodiment of the present utility model, not makees any pro forma restriction to this utility model.Although this utility model is disclosed above with preferred embodiment, but it is not limited to this utility model.Therefore, every content without departing from technical solutions of the utility model, according to this utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the range of technical solutions of the utility model are protected.

Claims (10)

1. a partial discharge of transformer defects simulation device, it is characterised in that: include power module (1), shelf depreciation defects simulation unit (2), transformator (4) and detector unit (5);The outfan of described power module (1) is connected with the input of described shelf depreciation defects simulation unit (2);The outfan of described shelf depreciation defects simulation unit (2) is connected with the structure winding (44) of described transformator (4);Described detector unit (5) is connected with described transformator (4).
Partial discharge of transformer defects simulation device the most according to claim 1, it is characterised in that: described transformator (4) includes tapping winding (43);Described tap winding (43) includes that at least one tap lead, one end of described tap winding (43) are connected to the diverse location of structure winding (44) as input, the other end by different tap leads;The outfan of described shelf depreciation defects simulation unit (2) is connected with described structure winding (44) by a tap lead.
Partial discharge of transformer defects simulation device the most according to claim 2, it is characterised in that: also include that tap selects unit (3);Described tap selects the input of unit (3) to be connected with the outfan of described shelf depreciation defects simulation unit (2), and outfan input with described tap winding (43) respectively is connected.
Partial discharge of transformer defects simulation device the most according to claim 3, it is characterised in that: described shelf depreciation defects simulation unit (2) includes needle plate point discharge analog, suspended discharge analog, ball plate Discharge Simulation device, oiled cardboard creeping discharge analog and air gap Discharge Simulation device.
Partial discharge of transformer defects simulation device the most according to claim 4, it is characterised in that: described detector unit (5) includes detecting resistance (51) and Partial discharge detector (52);The test side of described detection resistance (51) is connected with described transformator (4), earth terminal ground connection;Described Partial discharge detector (52) is in parallel with described detection resistance (51).
Partial discharge of transformer defects simulation device the most according to claim 5, it is characterised in that: the test side of described detection resistance (51) is connected with sleeve pipe or the iron core of described transformator (4).
7. according to the partial discharge of transformer defects simulation device described in any one of claim 1 to 6, it is characterised in that: described power module (1) includes boosting unit (12) and the protective resistance unit (13) being sequentially connected with.
Partial discharge of transformer defects simulation device the most according to claim 7, it is characterised in that: described boosting unit (12) is single-phase voltage booster.
Partial discharge of transformer defects simulation device the most according to claim 8, it is characterised in that: the former end rated voltage of described single-phase voltage booster is 220V, and secondary end rated voltage is 20kV;The resistance of described protective resistance unit (13) is 100k Ω.
Partial discharge of transformer defects simulation device the most according to claim 7, it is characterised in that: described power module (1) also includes power frequency supply unit (11);Described power frequency supply unit (11) is connected with the former end of described boosting unit (12).
CN201620380783.5U 2016-04-29 2016-04-29 A kind of partial discharge of transformer defects simulation device Withdrawn - After Issue CN205720535U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620380783.5U CN205720535U (en) 2016-04-29 2016-04-29 A kind of partial discharge of transformer defects simulation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620380783.5U CN205720535U (en) 2016-04-29 2016-04-29 A kind of partial discharge of transformer defects simulation device

Publications (1)

Publication Number Publication Date
CN205720535U true CN205720535U (en) 2016-11-23

Family

ID=57292931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620380783.5U Withdrawn - After Issue CN205720535U (en) 2016-04-29 2016-04-29 A kind of partial discharge of transformer defects simulation device

Country Status (1)

Country Link
CN (1) CN205720535U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823969A (en) * 2016-04-29 2016-08-03 国家电网公司 Apparatus for simulating partial discharge detects of transformer
WO2019162551A1 (en) 2018-02-20 2019-08-29 Fundacion Para El Fomento De La Innovacion Industrial Method for assessing and qualifying the functional features of instruments for measurement and diagnosis of partial discharges and facility for generating series of reference pulses of partial discharges

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823969A (en) * 2016-04-29 2016-08-03 国家电网公司 Apparatus for simulating partial discharge detects of transformer
CN105823969B (en) * 2016-04-29 2018-10-19 国家电网公司 A kind of partial discharge of transformer defects simulation device
WO2019162551A1 (en) 2018-02-20 2019-08-29 Fundacion Para El Fomento De La Innovacion Industrial Method for assessing and qualifying the functional features of instruments for measurement and diagnosis of partial discharges and facility for generating series of reference pulses of partial discharges

Similar Documents

Publication Publication Date Title
WO2015032343A1 (en) Testing system of gis electronic mutual inductor and method therefor
CN102946094B (en) The braking measure system of selection of a kind of transformer station very fast transient overvoltage
CN103091609A (en) Performance detecting system and method thereof of gas insulated substation (GIS) partial discharge on-line monitoring device
CN104483643A (en) Modeling method based on detection platform of fault indicator for physical simulation of power distribution network
CN105823969A (en) Apparatus for simulating partial discharge detects of transformer
CN103760448A (en) Comprehensive live test method of insulation defects of metal oxide arrester for electric power
CN207541193U (en) A kind of polymorphic complex fault analogue test platform of power distribution network
CN102323515A (en) System and method applied to fault section positioning in resonant earthing system
CN205720535U (en) A kind of partial discharge of transformer defects simulation device
CN202486278U (en) Power distribution network cable insulation detection system
CN103645410B (en) The dynamic simulator system of small current neutral grounding system and method in a kind of electrical network
CN203502582U (en) GIS electronic transformer test system based on disconnecting switch switching-on and switching-off capacitive small current
CN112485717A (en) Power distribution true test load simulation device and method
CN106329509A (en) Small current fault line selection protection system of power grid isolated neutral system
CN205427144U (en) Real defects simulation of type high voltage circuit breaker mechanism and branch closing coils current detection device
CN104749486B (en) A kind of IT system single-phase fault localization method based on residual current operated protective device
Smeets et al. Disconnector switching in GIS: three-phase testing and phenomena
CN104251978A (en) Tester for affection of alternating-current crosstalk and voltage fluctuation of direct-current system on relay
CN202956482U (en) Small current system single-phase grounding fault detection verifying device
CN105510768A (en) Trouble shooting method for service live grounding
CN206541018U (en) A kind of multipoint grounding seeking instrument of voltage transformer
Liu et al. The electromagnetic compatibility research of electronic transformer under simulated complex environment
CN104237693A (en) Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device
CN204258283U (en) High-power transformer iron core On-line Fault cancellation element
CN105207173A (en) Device and method for monitoring, controlling and eliminating multipoint grounding of high-capacity transformer

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20161123

Effective date of abandoning: 20181019