CN206369781U - Parallel Connected Air Reactor turn to turn insulation test circuit - Google Patents
Parallel Connected Air Reactor turn to turn insulation test circuit Download PDFInfo
- Publication number
- CN206369781U CN206369781U CN201621205024.1U CN201621205024U CN206369781U CN 206369781 U CN206369781 U CN 206369781U CN 201621205024 U CN201621205024 U CN 201621205024U CN 206369781 U CN206369781 U CN 206369781U
- Authority
- CN
- China
- Prior art keywords
- turn
- air reactor
- circuit
- parallel connected
- parallel
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of Parallel Connected Air Reactor turn to turn insulation test circuit, including for detecting the turn to turn insulation test circuit and Parallel Connected Air Reactor circuit of Parallel Connected Air Reactor turn-to-turn insulation；The positive terminal of ball discharge gap is connected with being tested the separating end of air reactor in the Parallel Connected Air Reactor circuit in the turn to turn insulation test circuit, and the negative pole end of ball discharge gap is connected with the common port of the Parallel Connected Air Reactor circuit in the turn to turn insulation test circuit；By introducing high pressure from the upper end of detected air reactor, trigger controller is set between ball discharge gap, makes to be added in the oscillating voltage waveforms amplitude in Parallel Connected Air Reactor and more stablizes, improve the accuracy of Parallel Connected Air Reactor turn to turn insulation test.
Description
Technical field
The utility model is related to reactor detection technique field, more particularly to a kind of Parallel Connected Air Reactor turn-to-turn insulation inspection
Slowdown monitoring circuit.
Background technology
Dry-type air-core reactor possesses reactance value characteristic, it is simple in construction, lightweight, convenient for installation and maintenance the advantages of, in electricity
Extensive use in terms of compensation, filtering and current limliting in net.With dry-type air-core reactor put into operation quantity increase, the work of Breakdown Maintenance
Measure and also increasing, due to being influenceed by application environment and work timing, dry-type air-core reactor failure is that turn-to-turn is short mostly
Caused by road, insulating barrier are destroyed.Therefore, in order to reduce the fault rate of dry-type air-core reactor, the system except improving product
Make outside technological level, during real work, there must also be supporting effective turn to turn insulation test equipment, in time detection,
Maintenance in time, improves the service life of air reactor.
Generally, the insulation of transformer and reactor is detected using lightning impulse and induced voltage test equipment,
But this method is for dry-type air-core reactor and does not apply to, because its only one of which winding, therefore induced electricity can not be applied
Pressure；Lightning impulse also is difficult to detect the turn-to-turn insulation failure of air reactor, because the air reactor number of turn is more, turn-to-turn short circuit event
Electric parameter amount is small caused by barrier, the low precision of detection.
In order to adjust the reactive power of power network, require in parallel certain in super-pressure, the design standard of bulk power grid transformer station
The air reactor of quantity, and in actual application, made moist due to coil, fault in material, hot-spot, switching frequently and
The turn-to-turn insulation that the failures such as local arc eventually result in reactor is destroyed, and serious directly burns reactor, influence electricity
The operation on line of force road.
With the increase of service life, air reactor by various factors due to being influenceed, and its turn-to-turn insulation can be gradually
Reduction is, it is necessary to periodically check the turn-to-turn insulation of air reactor, grasp operation conditions.Traditional high-frequency impulse succusion
When detecting Parallel Connected Air Reactor, often occur there is stray electrical between DC charging spread of voltage, Parallel Connected Air Reactor
Appearance causes charging voltage to decline, the problem of detecting electric circuit inspection low precision.
The content of the invention
In order to solve traditional high-frequency impulse succusion when detecting Parallel Connected Air Reactor, often occur being added in sky in parallel
Oscillating voltage waveforms amplitude on core device is unstable, DC charging voltage is excessive, and voltage shows the problem of table burns, and proposes one
Parallel Connected Air Reactor turn to turn insulation test circuit is planted, by setting trigger controller G between ball discharge gap, makes to be added in sky in parallel
Oscillating voltage waveforms amplitude on core device is stable, in detection, introduces high pressure from the upper end of detected air reactor, carries
High detection accuracy, reduces the testing cost that circuit damage is brought.
A kind of Parallel Connected Air Reactor turn to turn insulation test circuit, including for detecting Parallel Connected Air Reactor turn-to-turn insulation
Turn to turn insulation test circuit and Parallel Connected Air Reactor circuit；The positive pole of ball discharge gap in the turn to turn insulation test circuit
Hold and be connected with being tested the separating end of air reactor in the Parallel Connected Air Reactor circuit, in the turn to turn insulation test circuit
The negative pole end of ball discharge gap is connected with the common port of the Parallel Connected Air Reactor circuit.
According to a kind of Parallel Connected Air Reactor turn to turn insulation test circuit described in the utility model, the turn-to-turn insulation inspection
The negative pole end that slowdown monitoring circuit includes trigger controller G, the trigger controller G is connected with ball discharge gap circuit trigger ball,
Positive terminal is connected with the positive terminal of the discharge capacity.
According to a kind of Parallel Connected Air Reactor turn to turn insulation test circuit described in the utility model, the turn-to-turn insulation inspection
Slowdown monitoring circuit also includes being used to AC power being rectified into the rectification silicon stack D of direct current, for entering the turn to turn insulation test circuit
The divider resistance R2 of row partial pressure, for charging capacitor C carry out charge protection protective resistance R1, for discharge make circuit capacitance with
The air reactor to be measured and control test sample form the ball discharge gap of damping oscillation circuit and for hollow to parallel connection
The discharge capacity that reactor is discharged.
According to a kind of Parallel Connected Air Reactor turn to turn insulation test circuit described in the utility model, the rectification silicon stack D
It is connected on the positive pole input side of the turn to turn insulation test circuit；The divider resistance R2 is connected in the rectification silicon stack D in parallel
Output end；The input of the protective resistance R1 respectively with the output end of the rectification silicon stack D and the divider resistance R2
Positive terminal end is connected；The input and the positive terminal of ball discharge gap of the output end of the protective resistance R1 respectively with charging capacitor C
Connection；The output end of the charging capacitor C and the separating end of north side air reactor in the Parallel Connected Air Reactor circuit
1022 connections；The negative pole end of the ball discharge gap and divider resistance R2 negative pole end and Parallel Connected Air Reactor it is public
End connection, and connect place of working
Or
The rectification silicon stack D is connected on the positive pole input side of the turn to turn insulation test circuit；The divider resistance R2 is simultaneously
Connection is connected to the output end of the rectification silicon stack D；The ball discharge gap is connected in parallel on the outlet side of the divider resistance R2；It is described to protect
Positive terminal of the shield resistance R1 input respectively with the ball discharge gap is connected；The output end of the protective resistance R1 is filled with described
Electric capacity C input connection；The output end of the charging capacitor C and the hollow electricity in north side in the Parallel Connected Air Reactor circuit
The separating end 1022 of anti-device is connected；The negative pole end of the ball discharge gap and the divider resistance R2 and negative pole end and in parallel empty
The common port connection of core device, and connect place of working.
According to a kind of Parallel Connected Air Reactor turn to turn insulation test circuit described in the utility model, the trigger controller
G detects that the charging capacitor C is in control trigger ball when being full of pressurize and discharged when testing beginning.
According to a kind of Parallel Connected Air Reactor turn to turn insulation test circuit described in the utility model, the hollow electricity in parallel
Two air reactor binding post head and the tail short circuits not being detected in anti-device circuit.
Implement a kind of air reactor turn to turn insulation test circuit that the utility model is provided, overcome traditional height
Often there is the oscillating voltage waveform being added in Parallel Connected Air Reactor when detecting Parallel Connected Air Reactor in frequency impulse oscillometry
Amplitude is unstable, DC charging brownout the problem of, detect Parallel Connected Air Reactor when, make turn to turn insulation test circuit
Positive terminal and the separating end of Parallel Connected Air Reactor 1022 are connected, and make Parallel Connected Air Reactor circuit common connection work
Ground wire, reduces the pressure drop that the stray capacitance between hollow reactance in parallel is brought, and is touched by being set in the trigger ball of ball discharge gap
Hair controller G simultaneously makes it be connected with charging capacitor C positive terminal, makes trigger ball only when charging capacitor C is in full pressure holding
Just allow trigger ball to discharge, and make tested air reactor L2 and partial pressure reactor, resistance formation RLC resonance circuits, to tested
Air reactor L2 carries out turn to turn insulation test, and the oscillating voltage waveforms amplitude for making to be added in Parallel Connected Air Reactor is stable, carries
The high validity of Parallel Connected Air Reactor turn to turn insulation test.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the element connection diagram for detecting circuit in the prior art；
Fig. 2 is that a kind of element connection for air reactor turn to turn insulation test circuit embodiments that the utility model is provided is shown
It is intended to；
Fig. 3 is another embodiment element connection of a kind of air reactor turn to turn insulation test circuit that the utility model is provided
Schematic diagram.
Embodiment
Dry-type air-core reactor possesses reactance value characteristic, it is simple in construction, lightweight, convenient for installation and maintenance the advantages of, in electricity
Extensive use in terms of compensation, filtering and current limliting in net.With dry-type air-core reactor put into operation quantity increase, the work of Breakdown Maintenance
Measure and also increasing, due to being influenceed by application environment and work timing, dry-type air-core reactor failure is that turn-to-turn is short mostly
Caused by road, insulating barrier are destroyed.Therefore, in order to reduce the fault rate of dry-type air-core reactor, the system except improving product
Make outside technological level, during real work, there must also be supporting effective turn to turn insulation test equipment, in time detection,
Maintenance in time, improves the service life of air reactor.
Generally, the insulation of transformer and reactor is detected using lightning impulse and induced voltage test equipment,
But this method is for dry-type air-core reactor and does not apply to, because the winding of its only one of which exploitation, therefore can not apply
Induced voltage；Lightning impulse also is difficult to detect the turn-to-turn insulation failure of air reactor, because the air reactor number of turn is more, turn-to-turn
Electric parameter amount is small caused by short trouble, the low precision of detection.
In order to adjust the reactive power of power network, require in parallel certain in super-pressure, the design standard of bulk power grid transformer station
The air reactor of quantity, and in actual application, made moist due to coil, fault in material, hot-spot, switching frequently and
The turn-to-turn insulation that the failures such as local arc eventually result in reactor is destroyed, and serious directly burns reactor, influence electricity
The operation on line of force road.
With the increase of service life, air reactor by various factors due to being influenceed, and its turn-to-turn insulation can be gradually
Reduction is, it is necessary to periodically check the turn-to-turn insulation of air reactor, grasp operation conditions.Traditional high-frequency impulse succusion
When detecting Parallel Connected Air Reactor, often occur there is stray electrical between DC charging spread of voltage, Parallel Connected Air Reactor
Appearance causes charging voltage to decline, the problem of detecting electric circuit inspection low precision.
Problem to be solved in the utility model is：The turn-to-turn insulation of Parallel Connected Air Reactor is examined using detection circuit
During survey, discharge voltage is unstable, and repeated detection result is different, because there is stray capacitance between Parallel Connected Air Reactor,
Charging capacitor C is not in the state full of pressurize during electric discharge, causes testing result inaccurate.
The utility model proposes resolving ideas be to propose a kind of Parallel Connected Air Reactor turn to turn insulation test circuit,
When detecting Parallel Connected Air Reactor, make the positive terminal of turn to turn insulation test circuit 101 and the separating end of Parallel Connected Air Reactor
1022 connections, and the common point of Parallel Connected Air Reactor circuit 102 is connected working grounding cable, reduce between hollow reactance in parallel
The pressure drop that stray capacitance is brought, by setting trigger controller G in the trigger ball of ball discharge gap and making itself and charging capacitor C
Positive terminal connection, trigger ball is only in charging capacitor C when full pressure is kept just allows trigger ball to discharge, and makes tested empty
Core device L2 and partial pressure reactor, resistance formation RLC resonance circuits, turn-to-turn insulation inspection is carried out to tested air reactor L2
Survey, the oscillating voltage waveforms amplitude for making to be added in Parallel Connected Air Reactor is stable, improves Parallel Connected Air Reactor turn-to-turn insulation
The validity of detection, overcomes traditional high-frequency impulse succusion when detecting Parallel Connected Air Reactor, often occurs being added in simultaneously
Join on air reactor oscillating voltage waveforms amplitude is unstable, DC charging brownout the problem of.Below in conjunction with accompanying drawing
The utility model is described in detail.
Fig. 2 is that a kind of element for Parallel Connected Air Reactor turn to turn insulation test circuit embodiments that the utility model is provided connects
Schematic diagram is connect, accompanying drawing 1 is refer to, a kind of Parallel Connected Air Reactor turn to turn insulation test circuit, including it is in parallel hollow for detecting
The turn to turn insulation test circuit 101 and Parallel Connected Air Reactor circuit 102 of reactor turn-to-turn insulation；Turn to turn insulation test circuit
The positive terminal of ball discharge gap connects with being tested air reactor L2 separating end 1022 in Parallel Connected Air Reactor circuit 102 in 101
Connect, the common port 1021 of the negative pole end of ball discharge gap and Parallel Connected Air Reactor circuit 102 connects in turn to turn insulation test circuit 101
Connect, air reactor (L1, L2, L3) is in parallel in accompanying drawing, L2 is detected air reactor, L1, L3 binding post head and the tail are short
Connect.
Fig. 1 is the element connection diagram for detecting circuit in the prior art, refer to Fig. 1, traditional detection circuit is right
When Parallel Connected Air Reactor carries out turn to turn insulation test, typically accessed from the common port 1021 of Parallel Connected Air Reactor circuit 102, so
Afterwards by not detected reactor head and the tail short circuit, but in detection, due to being acted on by high-frequency impulse concussion voltage, head and the tail
There is stray capacitance between the Parallel Connected Air Reactor of short circuit and detected air reactor, these stray capacitances constitute stealth
Voltage-dividing capacitor, and then the discharge voltage reduction of guiding discharge electric capacity, testing result is also inaccurate, the utility model proposes
A kind of Parallel Connected Air Reactor turn to turn insulation test circuit, high-tension electricity is taken from the separating end 1022 of tested Parallel Connected Air Reactor,
And make the working earthing of common port 1021 of Parallel Connected Air Reactor, reduce the electric current of stray capacitance, and then make stray capacitance pair
Discharge voltage partial pressure effect is preferably minimized, and improves detection accuracy.
Further, turn to turn insulation test circuit 101 includes the trigger controller G for being arranged at trigger ball in discharge circuit,
Trigger controller G is electrically connected with trigger ball, is connected with charging capacitor C, the voltage condition for detecting electric capacity, and then to trigger ball
It is controlled.
Traditional detection technique, when to air reactor turn to turn insulation test, it may appear that red alternate with blue and white
Electrical discharge arc, and electric arc is unstable, the voltage good fortune value on the oscillator of reactor is also unstable, does not have also because filling an electric capacity
When having the peak value for reaching test voltage, trigger ball just carried out electric discharge triggering, the utility model by setting trigger controller G,
And it is connected with charging capacitor C positive terminal, trigger ball is only in charging capacitor C when full pressure is kept just allows triggering
Ball discharges, and makes tested air reactor L2 and partial pressure reactor, resistance formation RLC resonance circuits, to being tested air reactor
L2 carries out turn to turn insulation test, and the oscillating voltage waveforms amplitude for making to be added in Parallel Connected Air Reactor is stable, improves sky in parallel
The validity of core device turn to turn insulation test, overcomes traditional high-frequency impulse succusion in detection Parallel Connected Air Reactor
When, often there is the problem of oscillating voltage waveforms amplitude that is added in Parallel Connected Air Reactor is unstable.
Further, turn to turn insulation test circuit 101 also includes AC power being rectified into the rectification silicon stack D of direct current, used
In the divider resistance R2 to the progress partial pressure of turn to turn insulation test circuit 101, the protection electricity for charging capacitor C progress charge protections
Hinder R1, make circuit capacitance and air reactor to be measured and the ball discharge of control test sample formation damping oscillation circuit for discharging
Gap and the discharge capacity for being discharged Parallel Connected Air Reactor.
Rectification silicon stack D is connected on the positive pole input side of turn to turn insulation test circuit 101；Divider resistance R2 is connected in parallel whole
Flow silicon stack D output end；The output end and divider resistance R2 positive terminal of protective resistance R1 input respectively with rectification silicon stack D
End connection；Protective resistance R1 output end is connected with charging capacitor C input and the positive terminal of ball discharge gap respectively；Charging electricity
The output end for holding C is connected with the separating end 1022 of north side air reactor in Parallel Connected Air Reactor circuit 102；Ball discharge gap
Negative pole end is connected with divider resistance R2 negative pole end and the common port 1021 of Parallel Connected Air Reactor, and is grounded.
Fig. 3 is another embodiment element of a kind of air reactor turn to turn insulation test circuit 101 that the utility model is provided
Connection diagram, refer to Fig. 3, and rectification silicon stack D can also be connected on turn-to-turn by the annexation of turn to turn insulation test circuit 101
The positive pole input side of insulation detecting circuit 101；Divider resistance R2 is connected in rectification silicon stack D output end in parallel；Ball discharge gap is simultaneously
It is associated in divider resistance R2 outlet side；Positive terminal of the protective resistance R1 input respectively with ball discharge gap is connected；Protective resistance
R1 output end is connected with charging capacitor C input；In charging capacitor C output end and Parallel Connected Air Reactor circuit 102
The separating end 1022 of north side air reactor is connected；The negative pole end of ball discharge gap and divider resistance R2 and negative pole end and in parallel
The common port 1021 of air reactor is connected, and is grounded.
Further, trigger controller G negative pole end is connected with the negative pole end ball gap of ball discharge gap, positive terminal and electric discharge electricity
The positive terminal connection of appearance；Two detected air reactors are not carrying out turn-to-turn insulation in Parallel Connected Air Reactor circuit 102
Head and the tail short circuit during detection.
The utility model has following technique effect, overcomes traditional high-frequency impulse succusion and is detecting hollow electricity in parallel
During anti-device, the oscillating voltage waveforms amplitude that often occurs being added in Parallel Connected Air Reactor is unstable, DC charging brownout
The problem of, when detecting Parallel Connected Air Reactor, make the positive terminal and Parallel Connected Air Reactor of turn to turn insulation test circuit 101
Separating end 1022 is connected, and the common point of Parallel Connected Air Reactor circuit 102 is connected working grounding cable, reduces hollow electricity in parallel
The pressure drop that stray capacitance between anti-is brought, by setting trigger controller G in the trigger ball of ball discharge gap and making itself and charging
Electric capacity C positive terminal connection, trigger ball is only in charging capacitor C when full pressure is kept just allows trigger ball to discharge, and makes
Tested air reactor L2 and partial pressure reactor, resistance formation RLC resonance circuits, carry out turn-to-turn exhausted to tested air reactor L2
Edge detects that the oscillating voltage waveforms amplitude for making to be added in Parallel Connected Air Reactor is stable, improves Parallel Connected Air Reactor turn-to-turn
The validity of Insulation monitoring.
Above-mentioned the utility model embodiment sequence number is for illustration only, and the quality of embodiment is not represented.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit, it is characterised in that including for detecting hollow reactance in parallel
The turn to turn insulation test circuit (101) and Parallel Connected Air Reactor circuit (102) of device turn-to-turn insulation；The turn to turn insulation test
The positive terminal of ball discharge gap is with being tested air reactor (L2) in circuit (101) in the Parallel Connected Air Reactor circuit (102)
Separating end (1022) connection, in the turn to turn insulation test circuit (101) negative pole end of ball discharge gap with it is described in parallel hollow
Common port (1021) connection of reactor circuit (102).
2. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit according to claim 1, it is characterised in that the circle
Between insulation detecting circuit (101) include trigger controller (G), the negative pole end of the trigger controller (G) and ball discharge gap circuit
Trigger ball electrical connection connection, positive terminal is connected with the positive terminal of the discharge capacity.
3. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit according to claim 2, it is characterised in that the circle
Between insulation detecting circuit (101) also include be used for AC power is rectified into the rectification silicon stack (D) of direct current, for the turn-to-turn
Insulation detecting circuit (101) carries out the divider resistance (R2) of partial pressure, the protective resistance of charge protection is carried out for charging capacitor (C)
(R1), circuit capacitance is made to form putting for damping oscillation circuit with the air reactor to be measured and control test sample for discharging
Electric ball gap and the charging capacitor (C) for being discharged Parallel Connected Air Reactor.
4. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit according to claim 3, it is characterised in that described whole
Stream silicon stack (D) is connected on the positive pole input side of the turn to turn insulation test circuit (101)；The divider resistance (R2) is connected in parallel
In the rectification silicon stack (D) output end；The output of the input of the protective resistance (R1) respectively with the rectification silicon stack (D)
End and the positive terminal end of the divider resistance (R2) are connected；The output end of the protective resistance (R1) respectively with charging capacitor (C)
Input and ball discharge gap positive terminal connection；The output end of the charging capacitor (C) and Parallel Connected Air Reactor electricity
The separating end 1022 of north side air reactor is connected in road (102)；The negative pole end of ball discharge gap trigger ball and the divider resistance
(R2) negative pole end and common port (1021) connection of Parallel Connected Air Reactor, and connect place of working
Or
The rectification silicon stack (D) is connected on the positive pole input side of the turn to turn insulation test circuit (101)；The divider resistance
(R2) it is connected in the rectification silicon stack (D) output end in parallel；The ball discharge gap is connected in parallel on the defeated of the divider resistance (R2)
Go out side；Positive terminal of the input of the protective resistance (R1) respectively with the ball discharge gap is connected；The protective resistance (R1)
Output end be connected with the input of the charging capacitor (C)；The output end of the charging capacitor (C) and the hollow electricity in parallel
Separating end (1022) connection of north side air reactor in anti-device circuit (102)；The negative pole end of the ball discharge gap with described point
The negative pole end of piezoresistance R2 sums and common port (1021) connection of Parallel Connected Air Reactor, and connect place of working.
5. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit according to claim 3, it is characterised in that described to touch
Controller (G) is sent out when testing beginning, detects that the charging capacitor (C) is in control trigger ball when being full of pressurize and discharged.
6. a kind of Parallel Connected Air Reactor turn to turn insulation test circuit according to claim 2, it is characterised in that it is described simultaneously
Join two air reactor (L1, L3) binding post head and the tail short circuits not being detected in air reactor circuit (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205024.1U CN206369781U (en) | 2016-11-08 | 2016-11-08 | Parallel Connected Air Reactor turn to turn insulation test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205024.1U CN206369781U (en) | 2016-11-08 | 2016-11-08 | Parallel Connected Air Reactor turn to turn insulation test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369781U true CN206369781U (en) | 2017-08-01 |
Family
ID=59389589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621205024.1U Active CN206369781U (en) | 2016-11-08 | 2016-11-08 | Parallel Connected Air Reactor turn to turn insulation test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206369781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599279A (en) * | 2017-08-17 | 2018-01-19 | 国网上海市电力公司 | Gapless turn-to-turn insulation dry-type air-core reactor prepares mould and preparation method of sample |
| CN117192443A (en) * | 2023-11-03 | 2023-12-08 | 常州同惠电子股份有限公司 | Test method and test system for turn-to-turn tester |
-
2016
- 2016-11-08 CN CN201621205024.1U patent/CN206369781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599279A (en) * | 2017-08-17 | 2018-01-19 | 国网上海市电力公司 | Gapless turn-to-turn insulation dry-type air-core reactor prepares mould and preparation method of sample |
| CN117192443A (en) * | 2023-11-03 | 2023-12-08 | 常州同惠电子股份有限公司 | Test method and test system for turn-to-turn tester |
| CN117192443B (en) * | 2023-11-03 | 2024-02-09 | 常州同惠电子股份有限公司 | Test method and test system for turn-to-turn tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104502819B (en) | Arrester impact characteristics testing device and method | |
| CN101339221B (en) | Test device for reactor volt-second characteristic of high voltage direct current transmission valve | |
| CN202676815U (en) | Follow current interrupting test circuit for externally gapped line arrester | |
| CN104515941A (en) | Electric reactor turn-insulating detection device based on pulse oscillation principle | |
| CN102081136A (en) | Method for on-site GIS (Gas-insulated metal-enclosed switchgear) partial discharge detection under impulse voltage | |
| CN206369781U (en) | Parallel Connected Air Reactor turn to turn insulation test circuit | |
| CN106646318A (en) | Dry-type hollow reactor turn-to-turn test device performance checking system and method | |
| CN103389425A (en) | Testing system for shunt characteristics of multi-column arrester | |
| CN105262075A (en) | End screen protective circuit applied to electrification deformation detection of transformer winding and application thereof | |
| CN102901894A (en) | Test method and device for testing 500kV zinc oxide arrester | |
| CN103293400A (en) | Lightning arrester direct current test system | |
| CN110927620A (en) | Sleeve with winding deformation and overvoltage on-line monitoring sensor | |
| CN203037716U (en) | Transformer and reactor entrance VFTO high-frequency signal test device for GIS transformer station | |
| JP2019032315A (en) | Grounding factor determination method | |
| EP2196812A1 (en) | Monitoring device for detecting earth faults | |
| Hagenguth | Progress in impulse testing of transformers | |
| CN108735488B (en) | Transformer design method based on self-excited oscillation wave | |
| CN203894373U (en) | Insulation aging judgment system based on inductive coil | |
| CN110320395A (en) | On-line monitoring high-precision capacitance-resistance parallel voltage divider | |
| CN206096222U (en) | Isolated neutral system capacitance current testing arrangement | |
| CN206450741U (en) | Dash current tests residual voltage pressure tester | |
| CN214097754U (en) | Test device for verifying direct current PD ultra-wide band detection system | |
| CN108922756A (en) | A kind of dry type hollow shunt reactor observation circuit | |
| CN210572578U (en) | GIS/GIL withstand voltage and partial discharge test device under multi-voltage superposition | |
| CN209215527U (en) | A kind of string benefit spark gap impact test apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |