CN206179699U - High voltage circuit breaker tank circuit with voltage monitor function - Google Patents
High voltage circuit breaker tank circuit with voltage monitor function Download PDFInfo
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- CN206179699U CN206179699U CN201621073953.1U CN201621073953U CN206179699U CN 206179699 U CN206179699 U CN 206179699U CN 201621073953 U CN201621073953 U CN 201621073953U CN 206179699 U CN206179699 U CN 206179699U
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- supply air
- air switch
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Abstract
The utility model discloses a high voltage circuit breaker tank circuit with voltage monitor function, it includes dynamo power supply, power supply air switch, and voltage supervision relay, the voltage supervision relay includes coil A1 contact, coil A2 contact and output auxiliary contact, voltage supervision relay output auxiliary contact parallel connection is at the both ends of power supply air switch's tripping operation signalling contact, the coil A1 contact of voltage supervision relay is connected with dynamo power supply's live wire, coil A2 is connected with dynamo power supply's zero line the contact. The utility model discloses the voltage supervision relay has been installed additional at the tank circuit to the under -voltage condition appears in dynamo power supply air switch tripping operation decompression or the return circuit that can monitor the circuit breaker energy storage return circuit, and in time feeds back abnormal signal to monitoring backstage, and the operation personnel of being convenient for discover the problem that the dynamo power supply in circuit breaker energy storage return circuit exists in advance, avoids normally energy storage and lead to accident incident emergence such as failure to trip of circuit breaker.
Description
Technical field
The utility model is related to a kind of primary cut-out tank circuit with function of voltage monitoring.
Background technology
Primary cut-out tank circuit is the important loop of high-voltage switch gear, and the quick division of primary cut-out is exactly by storage
Can loop realize that tank circuit includes energy storage motor and energy-storage travelling wave tube, energy-storage travelling wave tube is spring or hydraulic accumulation energy mechanism.
When current primary cut-out tank circuit is applied in AC Substation, grid monitoring system cannot be to high pressure open circuit
The voltage status of device tank circuit are monitored, and cause the presence of potential safety hazard.Due to the power supply air of breaker energy storage motor
Switch is only provided with auxiliary contact signal in terminal on the spot central console or mechanism case, when breaker central console or mechanism case on the spot
When the power supply air switch failure tripping operation of the energy storage motor of higher level or line under-voltage decompression, grid monitoring system cannot be monitored
To the above-mentioned failure of breaker energy storage motor power.When particularly under-voltage or no-voltage fault occurs in energy storage motor power supply, if fortune
Administrative staff can not be had found in time by tour, it will cause the tank circuit can not normally energy storage.In charging operation, tank circuit
In combined floodgate energy storage state, tank circuit can only meet breaker once complete oco operation；If line fault occur makes
When breaker is repeatedly acted, it will occur tank circuit because energy storage motor power failure can not normally energy storage, and cause breaker
Tripping, has a strong impact on breaker safe stable operation.
Therefore, in view of the foregoing, returned it is necessory to provide a kind of primary cut-out energy storage with function of voltage monitoring
Road.
Utility model content
To overcome the above-mentioned defect having in the prior art, the utility model provides a kind of height with function of voltage monitoring
Voltage breaker tank circuit, can in time feed back to monitoring backstage by the electric voltage exception signal of primary cut-out tank circuit, be easy to
Operations staff has found the problem that the motor power in breaker energy storage loop is present in advance.
To achieve the above object, the utility model is adopted the technical scheme that：
A kind of primary cut-out tank circuit with function of voltage monitoring, it include motor power, power supply air switch,
And voltage monitoring relay, voltage monitoring relay includes the contact of loop A 1, the contact of loop A 2 and output auxiliary contact, electric
Pressure supervisory relay output auxiliary contact be connected in parallel power supply air switch trip signal contact two ends, voltage monitoring after
The contact of loop A 1 of electrical equipment is connected with the live wire of motor power, the contact of loop A 2 is connected with the zero line of motor power.
When in use, when under-voltage or decompression situation occurs in the motor power loop in breaker energy storage loop, by voltage
The auxiliary contact of supervisory relay send signal to the trip signal contact of power supply air switch, so as to learn the breaker energy storage
There is exception in the voltage in loop, and abnormal signal is fed back into monitoring backstage in time, is easy to operations staff to find that energy storage is returned in advance
The problem that the motor power on road is present, it is to avoid breaker can not normally energy storage and cause the generation of the accident events such as breaker tripping.
Used as a kind of improvement of the present utility model, the power supply air switch auxiliary contact are connected in trip signal in parallel and touch
The two ends of point, power supply air switch auxiliary contact are connected in parallel with each other empty in power supply with voltage monitoring relay output auxiliary contact
On the two ends of air cock trip signal contact.So can both monitor that motor power was under-voltage or situation of decompression, can supervise again
Measure the situation of power supply air switch tripping fault.
Compared with prior art, the utility model has advantages below：
The utility model has installed voltage monitoring relay additional in tank circuit, such that it is able to monitor breaker energy storage loop
Motor power air switch tripping operation decompression or loop there is undervoltage condition, and abnormal signal is fed back into monitoring backstage in time,
It is easy to operations staff to find the problem that the motor power in breaker energy storage loop is present in advance, it is to avoid breaker can not normally energy storage
And cause the accident events such as breaker tripping to occur.
Brief description of the drawings
Fig. 1 has the schematic diagram of the primary cut-out tank circuit of function of voltage monitoring for the utility model.
Specific embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment
Refer to Fig. 1, a kind of primary cut-out tank circuit with function of voltage monitoring, it include motor power 1 with
And power supply air switch 2 and voltage monitoring relay 3.
Voltage monitoring relay 3 includes the contact 32 of loop A 1, the contact 33 of loop A 2 and output auxiliary contact 31.
The output auxiliary contact 31 of voltage monitoring relay 3 are connected in the trip signal contact 21 of power supply air switch 2 in parallel
Two ends, the contact 32 of loop A 1 of voltage monitoring relay 3 is connected with the live wire 11 of motor power 1, the contact 33 of loop A 2 and electricity
The zero line 12 of electromechanical source 1 is connected.
Power supply air switch auxiliary contact 22 are connected in the two ends of trip signal contact 21, power supply air switch auxiliary in parallel
Contact 22 is connected in parallel with each other in the trip signal contact 21 of power supply air switch 2 with voltage monitoring relay output auxiliary contact 31
Two ends on.The situation of power supply air switch tripping fault can so be monitored.
When in use, when undervoltage condition occur in the motor power air switch tripping operation decompression in breaker energy storage loop or loop
When, signal is sent to the trip signal contact 21 of power supply air switch 2 by the auxiliary contact 31 of voltage monitoring relay 3, from
And learn that exception occurs in the voltage in the breaker energy storage loop, and abnormal signal is fed back into monitoring backstage in time, it is easy to operation
Personnel find in advance tank circuit motor power exist problem, it is to avoid breaker can not normally energy storage and cause breaker to be refused
The accident event such as dynamic occurs.
Above-listed detailed description is directed to illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (2)
1. a kind of primary cut-out tank circuit with function of voltage monitoring, it is characterised in that：It is empty including motor power, power supply
Air cock and voltage monitoring relay, voltage monitoring relay include the contact of loop A 1, the contact of loop A 2 and output auxiliary
Contact, voltage monitoring relay output auxiliary contact are connected in the two ends of power supply air switch trip signal contact, voltage in parallel
The contact of loop A 1 of supervisory relay is connected with the live wire of motor power, the contact of loop A 2 is connected with the zero line of motor power.
2. the primary cut-out tank circuit with function of voltage monitoring according to claim 1, it is characterised in that：It is described
Power supply air switch auxiliary contact are connected in the two ends of power supply air switch trip signal contact, power supply air switch auxiliary in parallel
Contact is connected in parallel with each other at the two ends of power supply air switch trip signal contact with voltage monitoring relay output auxiliary contact
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073953.1U CN206179699U (en) | 2016-09-23 | 2016-09-23 | High voltage circuit breaker tank circuit with voltage monitor function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073953.1U CN206179699U (en) | 2016-09-23 | 2016-09-23 | High voltage circuit breaker tank circuit with voltage monitor function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179699U true CN206179699U (en) | 2017-05-17 |
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ID=58676533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621073953.1U Active CN206179699U (en) | 2016-09-23 | 2016-09-23 | High voltage circuit breaker tank circuit with voltage monitor function |
Country Status (1)
| Country | Link |
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| CN (1) | CN206179699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174886A (en) * | 2019-06-13 | 2019-08-27 | 中广核工程有限公司 | Nuclear power station DCS drive control loop power supply monitors alarm method and its system |
-
2016
- 2016-09-23 CN CN201621073953.1U patent/CN206179699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174886A (en) * | 2019-06-13 | 2019-08-27 | 中广核工程有限公司 | Nuclear power station DCS drive control loop power supply monitors alarm method and its system |
| CN110174886B (en) * | 2019-06-13 | 2020-08-11 | 中广核工程有限公司 | Power supply monitoring and alarming method and system for DCS (distributed control System) driving control loop of nuclear power station |
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