CN207426697U - A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer - Google Patents
A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer Download PDFInfo
- Publication number
- CN207426697U CN207426697U CN201721613301.7U CN201721613301U CN207426697U CN 207426697 U CN207426697 U CN 207426697U CN 201721613301 U CN201721613301 U CN 201721613301U CN 207426697 U CN207426697 U CN 207426697U
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- China
- Prior art keywords
- vacuum circuit
- circuit breaker
- indicator light
- controller
- control system
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- 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.)
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Abstract
The utility model provides a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, belongs to technical field of circuit control.It solves the problems, such as that existing vacuum circuit breaker can not effectively inhibit excitation surge current.The control system of this for transformer vacuum circuit breaker, including several vacuum circuit breakers, driving device and the controller of control driving device movement, controller is connected with external power supply, and control way circuit break-make by switching K, start stop switch device is provided between controller and vacuum circuit breaker, start stop switch device is used to control the work start and stop of each vacuum circuit breaker, the wiring branch of external power supply and controller is equipped with to judge the indicator light of each vacuum circuit breaker operation state, indicator light is moved by travel switch with driving device and connected, it is connected with to store the capacitance group of external power supply electric energy and the change-over switch of control capacitance group division on controller.The utility model has the advantages that precisely perform closing operation.
Description
Technical field
The utility model belongs to technical field of circuit control, is related to a kind of control system, more particularly to a kind of for zero load
The intelligence control system of the phased switching vacuum circuit breaker of transformer.
Background technology
With the continuous progress and development of modern society, government start emphatically to be improved power infrastructures with it is complete
It is kind, propose higher requirement for the practicality and reliability.Power transmission and distribution system of the power transformer in power infrastructures
In core status in system, since no-load transformer iron core has residual flux, when construction personnel is closing unloaded transformation at random
During device, exciting current can cause core sataration sometimes, generate the excitation surge current for being several times as much as rated current.Excitation surge current, which has, to be reduced
Transformer service life causes differential protection locking to cause transformer input failure, harmonic wave is introduced in power grid, causes direct current station
The harm such as commutation failure thereby reduce power system power supply reliability.In order to inhibit excitation surge current, currently used method
There are pre-inserted electric-resistivity method, demagnetization method, simple phase control method, braking locking method, but above method can not effectively inhibit excitation surge current simultaneously
The reliability of operation of power networks can be reduced.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, and providing one kind can precisely perform
The control system of closing operation, safe and reliable for transformer vacuum circuit breaker.
The purpose of this utility model can be realized by following technical proposal：One kind is true for the phased switching of no-load transformer
The intelligence control system of empty breaker, including several vacuum circuit breakers, the driving device being arranged on vacuum circuit breaker and
Controlling the controller of driving device movement, which is characterized in that the controller is connected with external power supply, and by switching K controls
Way circuit break-make processed is provided with start stop switch device, the start stop switch device between the controller and vacuum circuit breaker
For controlling the work start and stop of each vacuum circuit breaker manually, set in the wiring branch of the external power supply and controller useful
In the indicator light for judging each vacuum circuit breaker operation state, the indicator light is transported with driving device by travel switch machinery
It is dynamic to connect, it is connected with to store the capacitance group of external power supply electric energy on the controller and the conversion of capacitance group division is controlled to open
It closes.
The technique effect of the control system of this for transformer vacuum circuit breaker：As closure switch K, external power supply supplies
Electricity, the capacitance connected on the controller proceeds by charge storage electric energy, when needing to close vacuum circuit breaker, passes through
Change-over switch controls the conjunction of capacitance group point, and a large amount of electric energy of capacitance abrupt release act on vacuum circuit breaker to start driving device
Device, for the ease of observing the break-make situation of vacuum circuit breaker, driving device moves downward can touch while connecting vacuum circuit breaker
Encounter to form switch, indicator light, which lights, provides in running order prompting, otherwise indicator light provides when being in off position
Another different instructions, reasonable distribution uses between multiple vacuum circuit breakers for convenience, and start and stop are additionally provided in control system
Switching device controls the work break-make situation of each vacuum circuit breaker, when opening some vacuum circuit breaker shutdown switch, no
The signal that capacitance group provides can be given a response.
It is described external in a kind of above-mentioned intelligence control system for the phased switching vacuum circuit breaker of no-load transformer
Circuit sets before switch K and is in series with fuse.The series connection of fuse is used to set when protecting transformer overload or short circuit
Standby the phenomenon that burning out.
In a kind of above-mentioned intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, the instruction
The front end of lamp is provided with transformer, and the transformer is used for can electricity consumption into indicator light by the voltage conversion that external power supply provides
Pressure.Ensure the voltage received of indicator light in its safe voltage, improve the stability of total system in the operating condition.
In a kind of above-mentioned intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, the electricity
Appearance group is composed in parallel by several super capacitors, and dismantled and assembled between each super capacitor.It can be according to the size of required electric flux
Capacitance in capacitance group is adjusted, is had the advantages that flexible.
In a kind of above-mentioned intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, described opens
Guard's valve device is made of several mutually independent switch Q.Each vacuum circuit breaker is controlled by independent switch Q, enhancing
The flexibility that vacuum circuit breaker uses.
In a kind of above-mentioned intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, the finger
Show that lamp is made of red indicator light R and green indicator light G, red indicator light R of the travel switch when squeezing triggering and in indicator light
It is connected, is connected when being released disconnection with the green indicator light G in indicator light.According to the difference of working condition, different face are provided
The instruction of color facilitates the operation of staff, reduces staff's observing time, and help improves work efficiency.
Compared with prior art, the control system of this for transformer vacuum circuit breaker is in the cooperation of controller and each component
It is lower to realize adaptive adjustment, breaker closing signal is sent in optimal switching-on phase, there is extremely low closing time scatter.
With control precisely, the advantages of safe and reliable.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the control system of this for transformer vacuum circuit breaker.
Fig. 2 is the control structure schematic diagram of the control system of this for transformer vacuum circuit breaker.
In figure, 1, vacuum circuit breaker；2nd, driving device；3rd, controller；4th, external power supply；5th, start stop switch；6th, indicator light；
7th, travel switch；8th, capacitance group；9th, change-over switch；10th, fuse；11st, transformer.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, the control system of this for transformer vacuum circuit breaker 1, including several vacuum circuit breakers
1st, the controller 3 that the driving device 2 and control driving device 2 being arranged on vacuum circuit breaker 1 move, controller 3 are connected with
External power supply 4, and way circuit break-make is controlled by switching K, start stop switch 5 is provided between controller 3 and vacuum circuit breaker 1,
Start stop switch 5 is used to control the work start and stop of each vacuum circuit breaker 1 manually, external power supply 4 in the wiring branch of controller 3
It is provided with to judge the indicator light 6 of each 1 working condition of vacuum circuit breaker, indicator light 6 passes through travel switch with driving device 2
7 mechanical movements connect, and are connected with to store the capacitance group 8 of 4 electric energy of external power supply and control capacitance group 8 on the controller 3
The change-over switch 9 of division.
The present apparatus inhibits no-load transformer exciting current, based on the electricity set in controller 3 by the way of phase control closing
Hematocrit point-score detecting system detection transformer core remanent magnetism calculates dynamic magnetic flux and is adaptively adjusted, and determines to close strategy,
The mass data measured by experiment gets：When phase is 0 °, peak overshoot electric current is 200 amperes, and the multiple of overshoot reaches
Arrived rated current 50 times；When phase is 30 °, peak overshoot electric current is 155 amperes, and the multiple of overshoot has reached specified electricity
38.75 times of stream；When phase is 60 °, peak overshoot electric current is 25 amperes, and the multiple of overshoot has reached the 6.25 of rated current
Times；When phase is 90 °, peak overshoot electric current is 16 amperes, and the multiple of overshoot has reached 4 times of rated current, phase selection
By effective transient current overshoot phenomenon for reducing transformer, it is greatly good that relay protection and secondary load to transformer have
Place.
, there is the phenomenon that equipment is burnt out in transformer overload or when short circuit in order to prevent, and external circuits are connected before switch K
There is fuse 10.
In order to improve the stability of total system in the operating condition, the front end of indicator light 6 is provided with transformer 11, transformation
Device 11 is used for the voltage conversion that external power supply 4 provides into 6 voltage available of indicator light.
In order to improve capacitance group 8, flexibly dismounting and application, capacitance group 8 are composed in parallel by several super capacitors, and each super
It is dismantled and assembled between grade capacitance.
In order to enhance the flexibility that vacuum circuit breaker 1 uses, start stop switch 5 is made of several mutually independent switch Q.
In order to help to improve work efficiency, indicator light 6 is made of red indicator light R and green indicator light G, and travel switch 7 is squeezing
It is connected during pressure triggering with the red indicator light R in indicator light 6, is connected when being released disconnection with the green indicator light G in indicator light 6
It is logical.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although vacuum circuit breaker 1, driving device 2, controller 3, external power supply 4, start stop switch is used more herein
5th, the terms such as indicator light 6, travel switch 7, capacitance group 8, change-over switch 9, fuse 10, transformer 11, but be not precluded from using
The possibility of other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；
It is all contrary to the spirit of the present invention that they, which are construed to any one of the additional limitations,.
Claims (6)
1. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer, including several vacuum circuit breakers
（1）, be arranged at vacuum circuit breaker（1）On driving device（2）And control driving device（2）The controller of movement（3）, it is special
Sign is, the controller（3）It is connected with external power supply（4）, and control way circuit break-make, the controller by switching K
（3）With vacuum circuit breaker（1）Between be provided with start stop switch（5）Device, the start stop switch（5）Device is for control manually
Each vacuum circuit breaker（1）Work start and stop, the external power supply（4）With controller（3）Wiring branch on be provided with and be used for
Judge each vacuum circuit breaker（1）The indicator light of working condition（6）, the indicator light（6）With driving device（2）Pass through stroke
Switch（7）Mechanical movement connects, the controller（3）On be connected with to store external power supply（4）The capacitance group of electric energy（8）With
Control capacitance group（8）The change-over switch of division（9）.
2. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer according to claim 1,
It is characterized in that, the external circuits are set before switch K is in series with fuse（10）.
3. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer according to claim 1,
It is characterized in that, the indicator light（6）Front end be provided with transformer（11）, the transformer（11）For by external power supply
（4）The voltage conversion of offer is into indicator light（6）Voltage available.
4. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer according to claim 1,
It is characterized in that, the capacitance group（8）It is composed in parallel by several super capacitors, and it is dismantled and assembled between each super capacitor.
5. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer according to claim 1,
It is characterized in that, the start stop switch（5）Device is made of several mutually independent switch Q.
6. a kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer according to claim 1,
It is characterized in that, the indicator light（6）Including red indicator light R and green indicator light G, the travel switch（7）It is triggered squeezing
When and indicator light（6）In red indicator light R be connected, when being released disconnection and indicator light（6）In green indicator light G be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613301.7U CN207426697U (en) | 2017-11-28 | 2017-11-28 | A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613301.7U CN207426697U (en) | 2017-11-28 | 2017-11-28 | A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426697U true CN207426697U (en) | 2018-05-29 |
Family
ID=62396339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613301.7U Expired - Fee Related CN207426697U (en) | 2017-11-28 | 2017-11-28 | A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207426697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732912A (en) * | 2017-11-28 | 2018-02-23 | 浙江华网电气有限公司 | A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer |
-
2017
- 2017-11-28 CN CN201721613301.7U patent/CN207426697U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732912A (en) * | 2017-11-28 | 2018-02-23 | 浙江华网电气有限公司 | A kind of intelligence control system for the phased switching vacuum circuit breaker of no-load transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20191128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |