CN205863079U - The GIS disconnecting switch of fast transient overvoltage can be reduced - Google Patents
The GIS disconnecting switch of fast transient overvoltage can be reduced Download PDFInfo
- Publication number
- CN205863079U CN205863079U CN201620772227.2U CN201620772227U CN205863079U CN 205863079 U CN205863079 U CN 205863079U CN 201620772227 U CN201620772227 U CN 201620772227U CN 205863079 U CN205863079 U CN 205863079U
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- magneto
- disconnecting switch
- stator
- mounting groove
- 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
This utility model relates to a kind of GIS disconnecting switch reducing fast transient overvoltage, solves existing GIS disconnecting switch and there is the problem that combustion blow-out phenomenon is serious.Use stagewise changing the flow of QI-blood gap structure, make the magneto speed characteristics with disconnecting switch on exercise performance match, it is achieved disconnecting switch motor process sectional-regulated.On the one hand this structure achieves magneto on the premise of not using control algolithm, utilize each structure extremely descend segmentation permanent magnet make motor at the different electromagnetic torque that produces in different motion stage, thus the regulation that realization is to speed；On the other hand reduce the mechanical shock to operating mechanism, add the mechanical life of GIS disconnecting switch and operating mechanism.
Description
Technical field
The present invention relates to a kind of disconnecting switch, particularly to a kind of GIS disconnecting switch reducing fast transient overvoltage.
Background technology
Along with the raising of Cubicle Gas-Insulated Switchgear (GIS) electric pressure, point, the charged bus that closes a floodgate operation
During, dynamic and static contact gap can occur repeatedly to fire, blow-out phenomenon, thus it is extremely steep to produce a succession of wave head, and frequency pole
Close fast transient overvoltage (VFTO), make existing GIS disconnecting switch point, sum velocity and arc extinction performance all can not be well
Adapting to the requirement of voltage levels, prior art also has the size to VFTO to test and Theoretical Calculation, but be mostly for
Proof theory calculates the most consistent with the concordance of test result, yet there are no the measure of relevant suppression VFTO, to reach to subtract
Repeatedly restriking between petty action, static contact.On the other hand, the moving contact of existing disconnecting switch, in moving process, is to pass through machine
Tool transmission realizes dynamic and static Contact Breaking/Making Operations lock, and the power of divide-shut brake is to be rotated by asynchronous machine to drive drive link to carry out
Deciliter realize, and realize the braking after folding by limit switch.The operating mechanism existence of this GIS disconnecting switch subtracts
Situation not in place usually occurs when speed mechanism complexity, divide-shut brake, thus causes combustion, blow-out phenomenon more serious.
Summary of the invention
The invention provides a kind of GIS disconnecting switch reducing fast transient overvoltage, solve existing GIS and keep apart
Close and there is the technical problem that combustion blow-out phenomenon is serious.
The present invention is to solve above technical problem by the following technical programs:
A kind of GIS disconnecting switch reducing fast transient overvoltage, including static contact and moving contact, moving contact leads to successively
The output shaft crossing kinematic link and ring flange and magneto links together；On the outer surface of the rotor of magneto, edge
Axial direction, has been positioned apart from the second magnet steel mounting groove, sets on the outer surface of the rotor of the side of the second magnet steel mounting groove
It is equipped with the first magnet steel mounting groove, the outer surface of the rotor of the opposite side of the second magnet steel mounting groove is provided with the 3rd magnet steel and installs
Groove, is pasted with the first magnet steel bar in the first magnet steel mounting groove, is pasted with the second magnet steel bar in the second magnet steel mounting groove,
Three magnet steel mounting grooves are pasted with the 3rd magnet steel article, the thickness of the first magnet steel article, the thickness of the second magnet steel article and the 3rd magnet steel article
Thickness be identical, be formed with the first air gap, the second magnet steel between outer surface and the stator of magneto of the first magnet steel bar
It is formed with interstice, at outer surface and the magneto of the 3rd magnet steel article between outer surface and the stator of magneto of bar
It is formed with the 3rd air gap between stator, and the 3rd air gap is more than interstice more than the first air gap, the first air gap；First
First group of stator coil it is provided with on the stator of the magneto outside magnet steel bar, the magneto outside the second magnet steel bar
It is provided with second group of stator coil on stator, the stator of the magneto outside the 3rd magnet steel article is provided with the 3rd group of stator
Coil.
The outer surface of the rotor of magneto is provided with four the first magnet steel mounting grooves at equal intervals radian, at permanent magnetism
It is provided with four the second magnet steel mounting grooves at equal intervals, outside the rotor of magneto on the outer surface of the rotor of motor radian
It is provided with four the 3rd magnet steel mounting grooves at equal intervals on surface radian；The output shaft of magneto is provided with angle sensor
Device, angular transducer is electrically connected with the controller of magneto.
The transient overvoltage (VFTO) produced during it is an object of the invention to reduce GIS disconnecting switch divide-shut brake, solves
The shortcomings such as disconnecting switch operating mechanism moving component complexity, controllability and reliability are not enough, it is provided that one is applied to GIS and keeps apart
The sectional-regulated permanent magnet motor operating mechanism closed, utilizes a magneto directly to drive disconnecting switch action, simplifies motion portion
Part, the motor process of sectional-regulated disconnecting switch, improve functional reliability and the motion controllability of operating mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of the magneto 5 of the present invention；
Fig. 2 is the longitudinal sectional view of the magneto 5 of the present invention；
Fig. 3 is the structural representation of the magnet steel mounting groove on the rotor 10 of the magneto 5 of the present invention；
Fig. 4 is the structural representation of the rotor 10 of the magneto 5 of the present invention；
Fig. 5 is the structural representation of the air gap formed between rotor 10 and the stator 9 of the magneto 5 of invention；
Fig. 6 is the frame for movement schematic diagram of the GIS disconnecting switch of the present invention；
Fig. 7 is the annexation figure between the moving contact 2 of the present invention, kinematic link 3 and ring flange 4.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
A kind of GIS disconnecting switch reducing fast transient overvoltage, including static contact 1 and moving contact 2, moving contact 2 depends on
The secondary output shaft 11 by kinematic link 3 and ring flange 4 with magneto 5 links together；Rotor 10 at magneto 5
On outer surface, in axial direction, it is positioned apart from the second magnet steel mounting groove 15, turning in the side of the second magnet steel mounting groove 15
It is provided with the first magnet steel mounting groove 14, in the appearance of rotor 10 of the opposite side of the second magnet steel mounting groove 15 on the outer surface of son 10
It is provided with the 3rd magnet steel mounting groove 16 on face, the first magnet steel mounting groove 14 is pasted with the first magnet steel bar 17, at the second magnet steel
Mounting groove 15 is pasted with the second magnet steel bar 18, in the 3rd magnet steel mounting groove 16, is pasted with the 3rd magnet steel article 19, the first magnet steel
The thickness of thickness, the thickness of the second magnet steel article 18 and the 3rd magnet steel article 19 of articles 17 is identical, the appearance of the first magnet steel bar 17
The first air gap delta 1, second outer surface of magnet steel bar 18 and determining of magneto 5 it is formed with between the stator 9 of face and magneto 5
It is formed with interstice δ 2 between son 9, between the outer surface and the stator 9 of magneto 5 of the 3rd magnet steel article 19, is formed with the
Three air gap delta 3, and the 3rd air gap delta 3 is more than the first air gap delta 1, and the first air gap delta 1 is more than interstice δ 2；At the first magnet steel bar
First group of stator coil 20 it is provided with, the magneto outside the second magnet steel bar 18 on the stator 9 of the magneto 5 outside 17
It is provided with second group of stator coil 21 on the stator 9 of 5, the stator 9 of the magneto 5 outside the 3rd magnet steel article 19 is provided with
3rd group of stator coil 22.
The outer surface of the rotor 10 of magneto 5 is provided with four the first magnet steel mounting grooves 14 at equal intervals radian,
The outer surface of the rotor 10 of magneto 5 is provided with four the second magnet steel mounting grooves 15 at equal intervals radian, in Permanent Magnet and Electric
It is provided with four the 3rd magnet steel mounting grooves 16 at equal intervals on the outer surface of the rotor 10 of machine 5 radian；Output at magneto 5
Being provided with angular transducer 12 on axle 11, angular transducer 12 is electrically connected with the controller of magneto 5.
The disconnecting switch separating brake motor process of the present invention is as follows:
First, first group of coil 20 on the stator 9 of magneto is energized, second group of stator coil 21 and the 3rd group of stator
Coil 22 is in off-position, and the rotating excitation field being made up of first coil makes rotor 10 start to rotate 30 °, on kinematic link 3
First take-off lever the 6, second drive link 7 and third connecting rod 8 be in acceleration starting state, due to the outer surface of the first magnet steel bar 17
And the first air gap delta 1 formed between the stator 9 of magneto 5 is relatively big, rotor 10 can obtain the opening velocity meeting starting.When
After rotor 10 turns over 30 °, cut off the electric current of first group of stator coil 20, connect the electric current of second group of stator coil 21, due to
The interstice δ 2 formed between outer surface and the stator 9 of magneto 5 of two magnet steel bars (18) is minimum, makes rotor 10 accelerate to turn
Dynamic, thus drive moving contact 2 to obtain the opening velocity of maximum, reach the purpose of rapid blow-out.After rotor 10 turns over 60 °, cut
The electric current of disconnected second stator coil 21, connects the electric current of the 3rd group of stator coil 22, due to the outer surface at the 3rd magnet steel article 19
And the 3rd air gap delta 3 formed between the stator 9 of magneto 5 is maximum, makes rotor 10 speed reduce, thus drives moving contact 2 to obtain
Obtain maximum deceleration.In whole rotation process, angular transducer 12 gathers signal, and signal is delivered to the control of magneto 5
The rotation of rotor 10 is controlled by device.
The GIS disconnecting switch that the present invention proposes, is commonly used current from principle by segment permanent magnet electric operating mechanism
Disconnecting switch operating mechanism improved.Decrease operating mechanism parts, improve the reliability of operating mechanism.Use
Chopper is driven by magneto, simple in construction, and speed responsive is fast, and motor process controllability is good.What the present invention proposed divides
Section regulation magneto, according to GIS disconnecting switch divide-shut brake speed characteristics requirement, uses stagewise changing the flow of QI-blood gap structure, makes Permanent Magnet and Electric
Machine speed characteristics with disconnecting switch on exercise performance match, it is achieved disconnecting switch motor process sectional-regulated.This
On the one hand structure achieves magneto on the premise of not using control algolithm, utilizes each structure extremely descending segmentation permanent magnet
Make motor at the different electromagnetic torque of producing in different motion stage, thus realize the regulation to speed；On the other hand reduce
Mechanical shock to operating mechanism, adds the mechanical life of GIS disconnecting switch and operating mechanism.
Claims (2)
1. can reduce a GIS disconnecting switch for fast transient overvoltage, including static contact (1) and moving contact (2), moving contact
(2) output shaft (11) passing sequentially through kinematic link (3) and ring flange (4) and magneto (5) links together；Its feature exists
In, on the outer surface of the rotor (10) of magneto (5), in axial direction, it is positioned apart from the second magnet steel mounting groove
(15), the outer surface of the rotor (10) of the side of the second magnet steel mounting groove (15) is provided with the first magnet steel mounting groove (14),
The outer surface of the rotor (10) of the opposite side of the second magnet steel mounting groove (15) is provided with the 3rd magnet steel mounting groove (16),
One magnet steel mounting groove (14) is pasted with the first magnet steel bar (17), in the second magnet steel mounting groove (15), is pasted with the second magnet steel bar
(18), the 3rd magnet steel mounting groove (16) is pasted with the 3rd magnet steel article (19), the thickness of the first magnet steel bar (17), the second magnet steel
Article thickness of (18) and the thickness of the 3rd magnet steel article (19) are identical, the outer surface of the first magnet steel bar (17) and magneto
(5) the first air gap (δ 1), the outer surface of the second magnet steel bar (18) and the stator of magneto (5) it are formed with between stator (9)
(9) interstice (δ 2) it is formed with between, between the outer surface and the stator (9) of magneto (5) of the 3rd magnet steel article (19)
It is formed with the 3rd air gap (δ 3), and the 3rd air gap (δ 3) is more than interstice more than the first air gap (δ 1), the first air gap (δ 1)
(δ 2)；The stator (9) of the magneto (5) in the first magnet steel bar (17) outside is provided with first group of stator coil (20),
It is provided with second group of stator coil (21), at the 3rd magnet steel on the stator (9) of the magneto (5) in the second magnet steel bar (18) outside
It is provided with the 3rd group of stator coil (22) on the stator (9) of the magneto (5) in article (19) outside.
A kind of GIS disconnecting switch reducing fast transient overvoltage the most according to claim 1, it is characterised in that
It is provided with four the first magnet steel mounting grooves (14) at equal intervals, forever on the outer surface of the rotor (10) of magneto (5) radian
It is provided with four the second magnet steel mounting grooves (15) at equal intervals, at permanent magnetism on the outer surface of the rotor (10) of magneto (5) radian
It is provided with four the 3rd magnet steel mounting grooves (16) at equal intervals on the outer surface of the rotor (10) of motor (5) radian；In Permanent Magnet and Electric
Being provided with angular transducer (12) on the output shaft (11) of machine (5), angular transducer (12) is electric with the controller of magneto (5)
Link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620772227.2U CN205863079U (en) | 2016-07-21 | 2016-07-21 | The GIS disconnecting switch of fast transient overvoltage can be reduced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620772227.2U CN205863079U (en) | 2016-07-21 | 2016-07-21 | The GIS disconnecting switch of fast transient overvoltage can be reduced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863079U true CN205863079U (en) | 2017-01-04 |
Family
ID=57648453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620772227.2U Active CN205863079U (en) | 2016-07-21 | 2016-07-21 | The GIS disconnecting switch of fast transient overvoltage can be reduced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057559A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | GIS disconnector capable of reducing fast transient overvoltage |
-
2016
- 2016-07-21 CN CN201620772227.2U patent/CN205863079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057559A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | GIS disconnector capable of reducing fast transient overvoltage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6072260A (en) | Noise reduction in reluctance machines | |
| CN105259501B (en) | A kind of high voltage direct current cut-offs experimental provision | |
| CN104935111B (en) | A kind of rotating electric machine of machinery magnetism-regulating type | |
| CN205863079U (en) | The GIS disconnecting switch of fast transient overvoltage can be reduced | |
| CN104919557B (en) | Breaker with rotating the arc contact | |
| CN103560055B (en) | A kind of high-voltage breaker permanent magnet becomes air gap finite angle electric operating mechanism | |
| CN106057559A (en) | GIS disconnector capable of reducing fast transient overvoltage | |
| CN109026436A (en) | It is counter to push away acting device and turbojet nacelle | |
| CN105244198A (en) | High-voltage breaker dynamic winding type variable air gap permanent magnetic linear motor operation mechanism | |
| CN204067168U (en) | The guider that a kind of cut device insulated tension pole pulls | |
| CN106783353A (en) | A kind of operating mechanism of disconnecting switch | |
| CN204067278U (en) | A kind of electric operating mechanism of circuit-breaker with instantaneous trip device | |
| CN104134555B (en) | Breaker operating mechanism and the breaker using the operating mechanism | |
| CN108493071A (en) | A kind of high-voltage circuitbreaker with permanent magnet synchronous motor operating mechanism | |
| CN206225268U (en) | A kind of operating mechanism of disconnecting switch | |
| CN205656975U (en) | A cylinder metallic glass permanent magnet synchronous linear motor operating mechanism for circuit breaker | |
| CN205122408U (en) | High voltage circuit breaker moves winding formula and becomes air gap permanent magnetism linear electric motor operating mechanism | |
| Li et al. | Experimental system research on permanent magnet motor operating mechanism of high voltage circuit breaker | |
| Li et al. | Research on segment adjustment permanent magnet motor operating mechanism in motion process of high voltage circuit breaker | |
| CN203674117U (en) | High voltage breaker permanent magnetic variable air gap limited angle motor operation mechanism | |
| CN104167324B (en) | The guider that a kind of cut device insulated tension pole pulls | |
| Liqiang et al. | Dynamic performance research on bi-stable permanent magnetic actuator applied in 40.5 kV vacuum circuit breaker | |
| CN204794527U (en) | Rotating electrical machines of magnetic -type is transferred to machinery | |
| CN201364851Y (en) | Permanent magnet swing-angle motor actuator of high-voltage circuit breaker | |
| CN208923011U (en) | A kind of high-voltage circuitbreaker with permanent magnet synchronous motor operating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |