CN109633425A - A kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator - Google Patents
A kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator Download PDFInfo
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- CN109633425A CN109633425A CN201811426046.4A CN201811426046A CN109633425A CN 109633425 A CN109633425 A CN 109633425A CN 201811426046 A CN201811426046 A CN 201811426046A CN 109633425 A CN109633425 A CN 109633425A
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- tap
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- operation switch
- moving contact
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulators, it is related to dry-type transformer vacuum on-load operation switch technical field, including tap fixed contact relay J1, tap moving contact relay J2, tap switching low-vacuum load-tripping device K1, tap switching low-vacuum load-tripping device K2 and transition resistance R1, transition resistance R1 and the actual transition resistance of field application are 3 Ω, and the actuation time of low-vacuum load-tripping device K1 and K2 are less than the vacuum switch of field application.The parameter of simulator and vacuum on-load operation switch is consistent, and can completely reflect the acting characteristic of the vacuum tap switch of field application, for the verifying of characteristic test method and the inspection of characteristic test device.
Description
Technical field
The present invention relates to dry-type transformer vacuum on-load operation switch the field of test technology, in particular to a kind of dry type transformation
Device vacuum on-load operation switch acting characteristic simulator.
Background technique:
In order to adapt to the demand for development of power grid, super, ultra-high voltage transformer station station power use system generallys use dry type loaded tap-off
Switch transformer stands and is mostly 35kV and hereinafter, dry vacuum on-load operation switch is therefore mostly used to carry out with the voltage class become
Voltage is adjusted to guarantee power supply quality.The acting characteristic of load ratio bridging switch mostly uses conventional method to carry out test, but conventional
Method be primarily adapted for use in the test of oil immersed type machinery tap switch, mechanical switch actuation time is longer, and vacuum tap switch is dynamic
Make that the time is shorter, and previous transient process is not yet completed, another vacuum packet starts to act, and conventional method cannot be effective
Detect the acting characteristic of vacuum on-load operation switch.
In order to study the test method of vacuum on-load operation switch acting characteristic, and vacuum on-load operation switch is acted
The test device of characteristic is checked and is verified, and it is special that the present invention devises a kind of dry-type transformer vacuum on-load operation switch movement
Property simulator realize that vacuum has load point by the on-off and transfer sequence of process control vacuum on-load operation switch vacuum packet
The simulation of switch motion process and the setting of acting characteristic parameter are connect, is the verifying and survey of vacuum on-load operation switch test method
The inspection that trial assembly is set provides equipment.
Summary of the invention
The purpose of the present invention is to provide a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator, with
It solves the above-mentioned multiple defects caused by the prior art.
A kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator, including tap fixed contact relay
J1, tap moving contact relay J2, tap switching low-vacuum load-tripping device K1, tap switching low-vacuum load-tripping device K2 and transition resistance
Two pairs of contacts on R1, the tap fixed contact relay J1 are connected separately with tap 1,2 tap 3 of tap and tap
First 4, the intermediate contact A11 and A12 of the tap fixed contact relay J1 are respectively and on tap moving contact relay J2
Two normally opened contacts are electrically connected, and the A12 is also electrically connected with the normally-closed contact on tap switching low-vacuum load-tripping device K2, described
The normally-closed contact of one end of transition resistance R1 and tap switching low-vacuum load-tripping device K2 are electrically connected, other end A21 respectively with tap
The normally-closed contact and tap 3 of head moving contact relay J2 is electrically connected.
Preferably, then tap joint position switching is completed in the tap moving contact relay J2 movement, and the tap is fixed
Then tap analog selection is completed in contact relay J1 movement.
Preferably, the moving contact G11 and moving contact G12 of the tap moving contact relay J2 is true with tap switching respectively
Two terminal contacts of empty relay K1 are electrically connected.
Preferably, the fixed contact A22 on the tap 2 and tap moving contact relay J2 is electrically connected.
Preferably, the parameter of the transition resistance R1 is 3 Ω/10W.
Preferably, the model of the tap moving contact relay J1 and tap moving contact J2 are LJQX-38F.
Preferably, the model of the tap switching vacuum low-vacuum load-tripping device K1 and tap switching vacuum low-vacuum load-tripping device K2 are equal
For JPK-21.
The present invention has the advantages that transition resistance R1 and the actual transition resistance of field application are 3 Ω, low-vacuum load-tripping device
The actuation time of K1 and K2 is less than the vacuum switch of field application.The parameter of simulator and vacuum on-load operation switch keeps one
It causes, can completely reflect the acting characteristic of the vacuum tap switch of field application, verifying and spy for characteristic test method
The inspection of system safety testing device.
Detailed description of the invention
Fig. 1 is simulator initial condition circuit structural schematic diagram of the invention.
Fig. 2 is simulated action second step figure of the invention.
Fig. 3 is simulated action third step figure of the invention.
Fig. 4 is simulated action four steps figure of the invention.
Fig. 5 is the 5th block diagram of simulated action of the invention.
Fig. 6 is the 6th block diagram of simulated action of the invention.
Fig. 7 is the 7th block diagram of simulated action of the invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1, a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator, including tap are fixed
Contact relay J1, tap moving contact relay J2, tap switching low-vacuum load-tripping device K1, tap switching low-vacuum load-tripping device K2 and
Two pairs of contacts on transition resistance R1, the tap fixed contact relay J1 are connected separately with tap 1, tap 2 taps
First 3 and tap 4, the intermediate contact A11 and A12 of the tap fixed contact relay J1 respectively with tap moving contact relay
Two normally opened contacts on device J2 are electrically connected, and the A12 is also electrical with the normally-closed contact on tap switching low-vacuum load-tripping device K2
Connection, one end of the transition resistance R1 and the normally-closed contact of tap switching low-vacuum load-tripping device K2 are electrically connected, and other end A21 points
It is not electrically connected with the normally-closed contact of tap moving contact relay J2 and tap 3.
Switch it is worth noting that, then tap joint position is completed in the tap moving contact relay J2 movement, described point
Then tap analog selection is completed in connector fixed contact relay J1 movement.
In the present embodiment, the moving contact G11 and moving contact G12 of the tap moving contact relay J2 respectively with tap
Two terminal contacts for switching low-vacuum load-tripping device K1 are electrically connected.
In the present embodiment, the fixed contact A22 on the tap 2 and tap moving contact relay J2 is electrically connected.
In the present embodiment, the parameter of the transition resistance R1 is 3 Ω/10W.
In the present embodiment, the model of the tap moving contact relay J1 and tap moving contact J2 are LJQX-
38F。
In the present embodiment, the tap switching vacuum low-vacuum load-tripping device K1 and tap switch vacuum low-vacuum load-tripping device K2's
Model is JPK-21.
Below in conjunction with the embodiment of the attached drawing detailed description present apparatus:
Embodiment 1
As shown in Figure 1, tap switch taps work second, tap switch does not start to act, and load current is by tap
2, fixed contact A22, moving contact G12, tap switching low-vacuum load-tripping device K1, moving contact G11, fixed contact A21, tap 3 flow out；
Embodiment 2
As shown in Fig. 2, tap fixed contact relay J1 is acted, singular tap taps (tap 4, tap by third
First 3) to be transformed into the first tap (tap 2, tap 1), load current is still by tap 2, fixed contact A22, dynamic touching at this time
Head G12, tap switching low-vacuum load-tripping device K1, moving contact G11, fixed contact A21, tap 3 flow out；
Embodiment 3
As shown in figure 3, tap switching low-vacuum load-tripping device K2 movement, since transition resistance R1 is connect with low-vacuum load-tripping device K2,
Load current continues by tap 2, fixed contact A22, moving contact G12, tap switching low-vacuum load-tripping device K1, moving contact G11, fixed touching
Head A21, tap 3 flow out；
Embodiment 4
As shown in figure 4, tap switching low-vacuum load-tripping device K1 movement, G12 and G11 are disconnected, load current by tap 2,
Tap switching low-vacuum load-tripping device K2, transition resistance R1, tap 3 flow out；
Embodiment 5
As shown in figure 5, tap fixed contact relay J2 is acted, moving contact G11, G12 and fixed contact A22, A21 are broken
It opens, moving contact G11, G12 and fixed contact A11, A12 is connected, at this moment load current continues by tap 2, tap switching vacuum
Relay K2, transition resistance R1, tap 3 flow out；
Embodiment 6
As shown in fig. 6, tap switching low-vacuum load-tripping device K1 is acted again, G12 and G11 are connected, and at this moment load current is by dividing
Connector 2, fixed contact A12, moving contact G12, tap switching low-vacuum load-tripping device K1, moving contact G11, fixed contact A11, tap 1 flow
Out, while in tap switching low-vacuum load-tripping device K2, fixed contact A12, moving contact G12, tap switching low-vacuum load-tripping device K1, moving contact
G11, fixed contact A11, tap 1, tap 3, between transition resistance R1 with the presence of a circulation, pass through the bridge of transition resistance R1
It connects, in case inside transformer coil short, burns out transformer；
Embodiment 7
As shown in fig. 7, tap switching low-vacuum load-tripping device K2 is acted again, by tap switching low-vacuum load-tripping device K2 and transition electricity
It hinders R1 to disconnect, at this moment load current is by tap 2, fixed contact A12, moving contact G12, tap switching low-vacuum load-tripping device K1, dynamic touching
Head G11, fixed contact A11, tap 1 flow out, and tap switch movement at this time finishes, and complete the conversion of a tap process.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (7)
1. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator, including tap fixed contact relay
J1, tap moving contact relay J2, tap switching low-vacuum load-tripping device K1, tap switching low-vacuum load-tripping device K2 and transition resistance
R1, which is characterized in that two pairs of contacts on the tap fixed contact relay J1 be connected separately with tap 1, tap 2,
Tap 3 and tap 4, the intermediate contact A11 and A12 of the tap fixed contact relay J1 respectively with tap moving contact
Two normally opened contacts on relay J2 are electrically connected, and the A12 also switches the normally-closed contact on low-vacuum load-tripping device K2 with tap
It is electrically connected, one end of the transition resistance R1 and the normally-closed contact of tap switching low-vacuum load-tripping device K2 are electrically connected, the other end
A21 is electrically connected with the normally-closed contact of tap moving contact relay J2 and tap 3 respectively.
2. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the tap moving contact relay J2 movement is completed then tap joint position and is switched, the tap fixed contact relay
Then tap analog selection is completed in device J1 movement.
3. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the moving contact G11 and moving contact G12 of the tap moving contact relay J2 switches low-vacuum load-tripping device with tap respectively
Two terminal contacts of K1 are electrically connected.
4. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the fixed contact A22 on the tap 2 and tap moving contact relay J2 is electrically connected.
5. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the parameter of the transition resistance R1 is 3 Ω/10W.
6. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the model of the tap moving contact relay J1 and tap moving contact J2 are LJQX-38F.
7. a kind of dry-type transformer vacuum on-load operation switch acting characteristic simulator according to claim 1, special
Sign is: the model of the tap switching vacuum low-vacuum load-tripping device K1 and tap switching vacuum low-vacuum load-tripping device K2 are JPK-
21。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426046.4A CN109633425B (en) | 2018-11-27 | 2018-11-27 | Action characteristic simulation device for vacuum on-load tap-changer of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426046.4A CN109633425B (en) | 2018-11-27 | 2018-11-27 | Action characteristic simulation device for vacuum on-load tap-changer of dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN109633425A true CN109633425A (en) | 2019-04-16 |
| CN109633425B CN109633425B (en) | 2020-12-01 |
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| CN201811426046.4A Active CN109633425B (en) | 2018-11-27 | 2018-11-27 | Action characteristic simulation device for vacuum on-load tap-changer of dry-type transformer |
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| CN109633425B (en) | 2020-12-01 |
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