CN106410804B - A kind of complete operation power system of pole-mounted circuit breaker - Google Patents
A kind of complete operation power system of pole-mounted circuit breaker Download PDFInfo
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- CN106410804B CN106410804B CN201610978370.1A CN201610978370A CN106410804B CN 106410804 B CN106410804 B CN 106410804B CN 201610978370 A CN201610978370 A CN 201610978370A CN 106410804 B CN106410804 B CN 106410804B
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- separating brake
- capacitor
- energy storage
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- power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention discloses a kind of complete operation power system of pole-mounted circuit breaker, including taking electric unit, control unit and switching mechanism, control unit includes a processor module, electric unit is taken to be connected by energy storage relay J1 with energy storage motor M1, power switch capacitor C2 is connected by closing relay J2 with closing coil YC, and separating brake power capacitor C3 is connected by separating brake relay J3 with opening coil YT.It establishes operation power and ensures that stored energy operation power supply is energy storage state；Switching signal is first received when combined floodgate, then detects whether power switch capacitor C2 and separating brake power capacitor C3 are energy storage state, is to execute feed motion, failure of otherwise closing a floodgate；Sub-gate signal is first received when separating brake, then detects whether separating brake power capacitor C3 is energy storage state, if executes separating brake movement, otherwise separating brake fails.The present invention has many advantages, such as simple structure, high reliablity and can realize full-automation.
Description
Technical field
The present invention relates to distribution feeder monitoring and relay protection complete set of equipments technical fields, and in particular to open circuit on a kind of column
The complete operation power system of device.
Background technique
In 10kV Distribution Automation Construction, what is be most widely used is that pole-mounted circuit breaker is complete.Pole-mounted circuit breaker is complete
Including taking electric unit, Switch main body and control unit.Pole-mounted circuit breaker it is complete automation realize necessary condition be have it is electronic
Combined floodgate, electronic separating brake and electronic automatic energy storage function, and the power supply for completing three kinds of functions is generally provided by control unit, referred to as
Control unit operation power.
Design feature is operated according to pole-mounted circuit breaker spring, separating brake and closing operation only need impulse power electrical source complete
At, and mechanism stored energy operation then needs large power supply that could complete, power industry standard requires power to be not less than 240W/15s.?
When product is specifically designed with engineer application, general there are two types of configurations: the first is that control unit only matches capacitive energy storage type separating brake behaviour
Make power supply, is unworthy of electric switch-on and accumulation power supply；Second is control unit with large power energy storage power supply, switch closing and switch opening power supply
It is shared with accumulation power supply.The complete operation power system of the pole-mounted circuit breaker that the former is constituted is simple, at low cost, high reliablity, but
Only have protection or control trip avoidance function, is only capable of realizing semi-automation, does not have the distant application conditions of power distribution automation three；The latter's tool
Standby three distant conditions are, it can be achieved that full-automation, but switch power supply kit system complex, at high cost, power consumption is high, power system failure rate
Height, later period O&M cost are high.Therefore, industry needs to propose a kind of simple, reliable and can realize open circuit on full-automatic column
The complete operation power system of device.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of complete operation power systems of pole-mounted circuit breaker
System has many advantages, such as simple structure, high reliablity and can realize full-automation.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of complete operation power system of pole-mounted circuit breaker
System, including electric unit, control unit and switching mechanism are taken, it is described that electric unit is taken to include a voltage transformer, the mutual induction of voltage
The high-pressure side of the input terminal connection line of device, described control unit include a processor module, and the voltage transformer successively leads to
Cross AC/DC module and pressure stabilizing/reduction voltage circuit be connected with processor module, described control unit further include respectively with processor module
Connected power switch capacitor C2, separating brake power capacitor C3, energy storage relay J1, closing relay J2 and separating brake relay J3,
The switching mechanism includes energy storage motor M1, closing coil YC and opening coil YT, and the voltage transformer directly passes through energy storage
Relay J1 is connected with energy storage motor M1, and the power switch capacitor C2 is connected by closing relay J2 with closing coil YC,
The separating brake power capacitor C3 is connected by separating brake relay J3 with opening coil YT, the power switch capacitor C2 and separating brake electricity
Source capacitor C3 is also connected by AC/DC module with the voltage transformer respectively.
Further, the prime of the power switch capacitor C2 has been arranged in series the first electronic switch K1, the separating brake power supply
The prime of capacitor C3 be arranged in series the second electronic switch K2, the first electronic switch K1 and the second electronic switch K2 respectively with
Processor module is connected.
Further, the prime of the power switch capacitor C2 has been arranged in series the first current-limiting resistance R1 and the second diode
The prime of D2, the separating brake power capacitor C3 have been arranged in series the second current-limiting resistance R2 and third diode D3.
Further, the AC/DC module passes sequentially through first diode D1 and capacitor C1 is connected with pressure stabilizing/reduction voltage circuit.
Further, the energy storage motor M1 uses AC220V motor.
Further, the closing coil YC and opening coil YT uses specified 5A buckle releaser.
Further, control unit controls the only ability when power switch capacitor C2 and separating brake power capacitor C3 are energy storage state
Execute feed motion.
Further, control unit control executes separating brake movement when separating brake power capacitor C3 is energy storage state.
The beneficial effects of the present invention are: a kind of complete operation power system of pole-mounted circuit breaker, takes full advantage of breaking on column
Stored energy operation power supply, closing operation power supply and separating brake are realized in device switching mechanism and distribution line protection for feed line action feature, classification
Operation power, and three operation powers are independent of one another, mutually without influence, have simple structure, high reliablity and can realize it is complete from
The advantages that dynamicization.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings and specific examples:
Fig. 1 is the structural schematic diagram of operation of the present invention power-supply system.
Specific embodiment
It is the structural schematic diagram of operation of the present invention power-supply system referring to Fig. 1, Fig. 1.The present invention proposes a kind of pole-mounted circuit breaker
Complete operation power system, including electric unit 1, control unit 2 and switching mechanism 3 are taken, it is described to take electric unit 1 mutual including a voltage
Sensor 11, the high-pressure side of the input terminal connection line of the voltage transformer 11, described control unit 2 include a processor module
21, the voltage transformer 11 passes sequentially through AC/DC module 22 and pressure stabilizing/reduction voltage circuit 23 is connected with processor module 21, institute
State control unit 2 further include the power switch capacitor C2, separating brake power capacitor C3, energy storage that are connected respectively with processor module 21 after
Electric appliance J1, closing relay J2 and separating brake relay J3, the switching mechanism 3 include energy storage motor M1, closing coil YC and divide
Brake cable circle YT, the voltage transformer 11 are directly connected by energy storage relay J1 with energy storage motor M1, the power switch electricity
Hold C2 to be connected by closing relay J2 with closing coil YC, the separating brake power capacitor C3 passes through separating brake relay J3 and separating brake
Coil YT is connected, and the power switch capacitor C2 and separating brake power capacitor C3 also pass through AC/DC module 22 and the voltage respectively
Mutual inductor 11 is connected.AC/DC module 22 can make the energy consumption of control unit 2 decline to a great extent using the AC/DC module of low-power, from
And reduce the energy consumption of system.
Stored energy operation power supply selects specified AC220V directly from voltage transformer 11, the energy storage motor M1 of switching mechanism 3
Motor, the energy storage relay J1 of energy storing of switch outlet connect processor module 21 and control on-off by processor module 21.Close a floodgate behaviour
Make power supply using providing after the power switch capacitor C2 accumulation of energy of large capacity, the closing coil YC of switching mechanism 3 is de- using specified 5A
Device is detained, the first electronic switch K1 of power switch capacitor C2 prime connects processor module 21, and power switch capacitor C2 connects processor
Module 21 simultaneously monitors energy storage state by processor module 21, and closing relay J2 meets processor module 21, power switch capacitor C2
Prime connect the first current-limiting resistance R1 and the second diode D2.Sub-switching operation power supply uses the separating brake power capacitor C3 of large capacity
It is provided after accumulation of energy, the opening coil YT of switching mechanism 3 uses specified 5A buckle releaser, the second electronics of separating brake power capacitor C3 prime
Switch K2 connects processor module 21, and separating brake power capacitor C3 connects processor module 21 and monitors energy storage shape by processor module 21
State, separating brake relay J3 meet processor module 21, prime series connection the second current-limiting resistance R2 and the three or two of separating brake power capacitor C3
Pole pipe D3.Stored energy operation power supply, closing operation power supply and sub-switching operation power supply three are independent of one another, are independent of each other.
The prime of the power switch capacitor C2 has been arranged in series the first electronic switch K1, the separating brake power capacitor C3's
Prime be arranged in series the second electronic switch K2, the first electronic switch K1 and the second electronic switch K2 respectively with processor die
Block 21 is connected, power switch capacitor C2 and separating brake power capacitor C3 by processor module 21 by the first electronic switch K1 of control and
The opening and closing of second electronic switch K2, is charged using pulsed.
The prime of the power switch capacitor C2 has been arranged in series the first current-limiting resistance R1 and the second diode D2, and described point
The prime of lock power capacitor C3 has been arranged in series the second current-limiting resistance R2 and third diode D3.First current-limiting resistance R1 and second
The setting of current-limiting resistance R2 avoids large bulk capacitance and draws dead small-power AC/DC module 22, and the second diode D2 and the three or two
The setting of pole pipe D3 is so that closing operation power supply and sub-switching operation power supply are independent of one another.The AC/DC module 22 passes sequentially through
One diode D1 and capacitor C1 are connected with pressure stabilizing/reduction voltage circuit 23.Capacitor C1 is filtered as 21 working power prime of processor module
Wave, energy storage capacitor, avoidable C2 and C3 charging pulse power consumption causes 21 power supply wave of processor module before diode D1 is series at C1
Dynamic or abnormal problem.
The set of protection act of pole-mounted circuit breaker has the following characteristics that pole-mounted circuit breaker is complete by gate-dividing state electric operating
When combined floodgate, the electrification of circuit breaker electric source, i.e., voltage transformer 11 has electricity；Pole-mounted circuit breaker it is complete as line protective devices when,
Before the operation of its electronic separating brake highest priority, i.e. electric switch-on, sub-switching operation power supply need to be established ready.
Stored energy operation power supply provides AC220V power supply by voltage transformer 11, controls energy storage relay by processor module 21
J1 completes 3 energy storage of switching mechanism, solves energy storing of switch large power supply needs of problems.Processor module 21 uses active pulsed
It charges to combined floodgate power capacitor C2 and separating brake power capacitor C3.Processor module 21 acquires power switch capacitor C2 and separating brake
The energy accumulating state of power capacitor C3；The prime of power switch capacitor C2 and separating brake power capacitor C3 be in series with the second diode D2 and
Third diode D3 so that closing operation power supply and sub-switching operation power supply are independent of one another, and prevents switching mechanism 3 from closing a floodgate or dividing
Because the anti-driven high voltage of trip coil punctures the first electronic switch K1 and the second electronics starts K2 during lock operation.
When establishing operation power, stored energy operation power supply is directly provided by voltage transformer 11, voltage rating AC220V, electricity
Source power is generally greater than 300VA, high reliablity；Closing operation power supply is provided by large capacity power switch capacitor C2, the capacitor
Pulse charging is used by processor module 21, the voltage of power switch capacitor C2 charges to setting value or more and indicates to have established
At settling time depends on the capacitance load capability of charging pulse accounting and AC/DC module 22；The foundation of sub-switching operation power supply is same
Closing operation power supply.
The state of the detection stored energy operation power supply of control unit 2, it is ensured that stored energy operation power supply is energy storage state, if stored energy operation
Power supply is non-energy storage state, then is unconditionally closed energy storage relay J1, drives energy storage motor M1 charging by voltage transformer 11,
Until stored energy operation power supply is that energy storage state just disconnects energy storage relay J1.When switching mechanism 3 carries out electric switch-on operation, control
Unit 2 first receives switching signal, then detects whether the state of power switch capacitor C2 and separating brake power capacitor C3 is energy storage shape
State only just executes feed motion when power switch capacitor C2 and separating brake power capacitor C3 are energy storage state, otherwise by combined floodgate
Failure handling.When switching mechanism 3 carries out electronic sub-switching operation, control unit 2 first receives sub-gate signal, then detects separating brake power supply
Whether the state of capacitor C3 is energy storage state, and separating brake movement is executed when separating brake power capacitor C3 is energy storage state, otherwise presses and divides
Lock failure handling.
It is to be illustrated to the preferable implementation of invention, but innovation and creation are not limited to the specific embodiments above, it is ripe
Various equivalent modifications or replacement can also be made on the premise of without prejudice to spirit of the invention by knowing those skilled in the art, these
Equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of complete operation power system of pole-mounted circuit breaker, which is characterized in that including take electric unit (1), control unit (2) and
Switching mechanism (3), described that electric unit (1) is taken to include a voltage transformer (11), the input terminal of the voltage transformer (11) connects
The high-pressure side of link, described control unit (2) include a processor module (21), and the voltage transformer (11) passes sequentially through
AC/DC module (22) and pressure stabilizing/reduction voltage circuit (23) are connected with processor module (21), and described control unit (2) further includes point
Power switch capacitor C2, separating brake power capacitor C3, the energy storage relay J1, closing relay not being connected with processor module (21)
J2 and separating brake relay J3, the switching mechanism (3) include energy storage motor M1, closing coil YC and opening coil YT, the electricity
Pressure mutual inductor (11) is directly connected with energy storage motor M1 by energy storage relay J1, the power switch capacitor C2 pass through combined floodgate after
Electric appliance J2 is connected with closing coil YC, and the separating brake power capacitor C3 is connected by separating brake relay J3 with opening coil YT, institute
The prime for stating power switch capacitor C2 has been arranged in series the first current-limiting resistance R1 and the second diode D2, the separating brake power capacitor
The prime of C3 has been arranged in series the second current-limiting resistance R2 and third diode D3, the first current-limiting resistance R1 and the second current limliting electricity
Resistance R2 is also connected by AC/DC module (22) with the voltage transformer (11) respectively.
2. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that the combined floodgate electricity
The prime of source capacitor C2 has been arranged in series the first electronic switch K1, and the prime of the separating brake power capacitor C3 has been arranged in series second
Electronic switch K2, the first electronic switch K1 and the second electronic switch K2 are connected with processor module (21) respectively.
3. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that the AC/DC
Module (22) passes sequentially through first diode D1 and capacitor C1 and is connected with pressure stabilizing/reduction voltage circuit (23).
4. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that the energy storage electricity
Machine M1 uses AC220V motor.
5. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that the closing line
It encloses YC and opening coil YT and uses specified 5A buckle releaser.
6. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that control unit
(2) control only just executes feed motion when power switch capacitor C2 and separating brake power capacitor C3 are energy storage state.
7. the complete operation power system of a kind of pole-mounted circuit breaker according to claim 1, which is characterized in that control unit
(2) control executes separating brake movement when separating brake power capacitor C3 is energy storage state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978370.1A CN106410804B (en) | 2016-11-07 | 2016-11-07 | A kind of complete operation power system of pole-mounted circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978370.1A CN106410804B (en) | 2016-11-07 | 2016-11-07 | A kind of complete operation power system of pole-mounted circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN106410804A CN106410804A (en) | 2017-02-15 |
| CN106410804B true CN106410804B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610978370.1A Active CN106410804B (en) | 2016-11-07 | 2016-11-07 | A kind of complete operation power system of pole-mounted circuit breaker |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108054036A (en) * | 2017-12-30 | 2018-05-18 | 库柏(宁波)电气有限公司 | A kind of high-tension switch electrical equipment controls drive system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201732701U (en) * | 2010-07-08 | 2011-02-02 | 锦州辽工维森电子有限公司 | Permanent magnet mechanism switch driving control device |
| CN203367188U (en) * | 2013-06-29 | 2013-12-25 | 内蒙古电力勘测设计院 | Opening/closing loop of permanent magnetic mechanism breaker |
| CN203787300U (en) * | 2014-04-21 | 2014-08-20 | 常熟开关制造有限公司(原常熟开关厂） | Control circuit of electric operating mechanism |
| CN103984281A (en) * | 2014-05-16 | 2014-08-13 | 珠海万力达电气股份有限公司 | Permanent magnet switch controller and method based on IGBT and programmable logic technology |
| CN204349442U (en) * | 2015-02-04 | 2015-05-20 | 四川川煤华荣能源股份有限公司花山煤矿 | High-voltage switch gear control circuit |
| CN206195352U (en) * | 2016-11-07 | 2017-05-24 | 珠海许继电气有限公司 | Pole -mounted circuit -breaker complete set operating power source system |
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| CN106410804A (en) | 2017-02-15 |
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