CN101546891A - Electric blocking system of busbar sectionalizing switch - Google Patents
Electric blocking system of busbar sectionalizing switch Download PDFInfo
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- CN101546891A CN101546891A CN200910050727A CN200910050727A CN101546891A CN 101546891 A CN101546891 A CN 101546891A CN 200910050727 A CN200910050727 A CN 200910050727A CN 200910050727 A CN200910050727 A CN 200910050727A CN 101546891 A CN101546891 A CN 101546891A
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Abstract
The invention discloses an electric blocking system of a busbar sectionalizing switch, which comprises a bus, a circuit breaker and a plurality of transfer switches. The electric blocking system is characterized in that the bus is divided into a plurality of sections, the transfer switches are positioned on the bus, and one section of the plurality of the sections of the bus is provided with the circuit breaker. The electric blocking system of the busbar sectionalizing switch fully solves the problem of power failure of the bus, and effectively solves the contradiction with actual insufficient power supply; and when the bus is earthed or the sectionalizing switch is overhauled, the power of corresponding circuits does not need to be cut so as to ensure the stability and the reliability of the power supply of a user.
Description
Technical field
The present invention relates to a kind of electric blocking system of switch, particularly relate to a kind of electric blocking system of busbar sectional izing switch.
Background technology
The standby each other operational mode of two-way power supply is arranged in the electric power system of one segmentation of two buses or triple bus-bar two-section usually, common form has two kinds: (one), segmentation prepared auto restart: the two-way incoming line cabinet is powered simultaneously as the operate as normal power supply, the segmentation cabinet is as standby, when wherein any one road service entrance switch broke down tripping operation, the bus connection switch cabinet came into operation automatically as stand-by power supply.(2), inlet wire prepared auto restart: one road incoming line cabinet and segmentation cabinet are powered simultaneously as the operate as normal power supply, and another road incoming line cabinet is as standby, and when this service entrance switch broke down tripping operation, another road incoming line cabinet dropped into automatically as stand-by power supply.
And in Cubicle Gas-Insulated Switchgear, carry out busbar grounding when operation when needs utilize busbar sectional izing switch, the isolating switch except that between this section bus and block switch, three-station on all main bus bars must be in isolates or earthing position, must will satisfy when this method makes busbar grounding that all pass in and out the chain condition of line isolating switches on the ground connection plug-in strip of segmentation cabinet and the respective side bus.Generation is to the influence of line side power supply, and the line side of correspondence must have a power failure when maintenance block switch or main bus bar, has brought great inconvenience for users' work and life.Under the situation that urban distribution network requires to improve constantly at power supply quality, in order to reduce fault outage, improve power supply reliability, the release portion region-by-region is in the situation of peak of power consumption period power shortage.Designed new scheme at above-mentioned situation, solved the problem that bus has a power failure fully, efficiently solve the contradiction with real supply of electric power deficiency, corresponding line side need not to have a power failure when busbar grounding or block switch maintenance, thus stable, the reliability of the power supply that has guaranteed the user.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of power supply stable, the electric blocking system of the busbar sectional izing switch of good reliability, the present invention solves above-mentioned technical problem by following technical proposals: a kind of electric blocking system of busbar sectional izing switch, it comprises: bus, circuit breaker, a plural number change over switch, it is characterized in that: described bus is divided into plurality of sections, described change over switch is positioned on the described bus, on one section in the bus of described plurality of sections circuit breaker is installed, has the electrical interlock relation between the described plural number change over switch.
Wherein, described change over switch is a three-station, and described three-station has three service positions: closing position, separating brake position and earthing position, described bus comprise first section bus and second section bus.
Wherein, described circuit breaker is positioned on first section bus, on described first section bus first three-station is installed, on second section bus second three-station is installed, has the electrical interlock relation between second three-station on first three-station on described first section bus and the second section bus.
Wherein, described electrical interlock closes: (1). and first three-station is in to close isolates or gate-dividing state (2). and second section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, and second three-station closes isolation.
Wherein, described electrical interlock closes: (1). and first three-station is in separating brake or splice grafting ground state, (2). and first section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, the second three-station splice grafting ground.
Wherein, described electrical interlock closes: (1). and second three-station is in to close isolates or gate-dividing state (2). and first section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, and first three-station closes isolation.
Wherein, described electrical interlock closes: (1). and second three-station is in separating brake or splice grafting ground state, (2). and second section female cutter in all line sides of bus divides the position, and both satisfy one, and described circuit breaker is in gate-dividing state, the first three-station splice grafting ground.
Positive progressive effect of the present invention is: busbar sectional izing switch electric blocking of the present invention system, solved the problem that bus has a power failure fully, efficiently solve contradiction with real supply of electric power deficiency, corresponding line side need not to have a power failure when busbar grounding or block switch maintenance, thus stable, the reliability of the power supply that has guaranteed the user.
Description of drawings
Fig. 1 is busbar sectional izing switch cabinet primary system figure of the present invention;
Fig. 2-1 is three-station isolation knife combined floodgate control logic figure of the present invention;
Fig. 2-2 is three-station ground connection cutter combined floodgate control logic figure of the present invention;
Fig. 3-1 closes for block switch cabinet three-station of the present invention, separating brake control principle figure;
Fig. 3-2 is second section busbar grounding interlocking schematic diagram of the present invention;
The cabinet three-station closes Fig. 4-1, separating brake control principle figure for segmentation of the present invention is isolated;
Fig. 4-2 is first section busbar grounding interlocking schematic diagram of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.Fig. 1 is busbar sectional izing switch cabinet primary system figure of the present invention, the present invention includes first section bus 11 and second section bus 12, circuit breaker 2, first three-station 31, second three-station 32, first three-station 31 and second three-station 32 lay respectively on first section bus 11 and the second section bus 12, on first section bus 11 circuit breaker 2 is installed, have electrical interlock relation between the described plural number change over switch, there is the electrical interlock relation in 32 of second three-stations on first three-station 31 on first section bus 11 and the second section bus 12.
First three-station 31 and second three-station 32 all have three service positions: closing position, separating brake position and earthing position, and these two three-stations all have electronic and manual two kinds of working methods.
Fig. 2-the 1st, three-station isolation knife combined floodgate control logic figure of the present invention, the barring condition that last second three-station 32 of second section bus 12 (first section bus 11) (first three-station 31) closes isolation is: (1). first three-station 31 (second three-station 32) is in to close isolates or gate-dividing state, if this signal is A, (2). the female cutter in all line sides of second section bus 12 (first section bus 11) divides the position, if this signal is B, as long as both satisfy one, or the output signal D of door, and circuit breaker 2 is in gate-dividing state, if the signal of this state is C, second three-station 32 (first three-station 31) allows to close isolation, as the E signal of exporting with door among the figure.
Fig. 2-2 is three-station ground connection cutter combined floodgate control logic figure of the present invention, the barring condition on last second three-station 32 of second section bus 12 (first section bus 11) (first three-station 31) splice grafting ground is: (1). first three-station 31 (second three-station 32) is in separating brake or splice grafting ground state, if this signal is A ', (2). the female cutter in all line sides of first section bus 11 (second section bus 12) section divides the position, if this signal is B ', both satisfy one, or the output signal D ' of door, and circuit breaker 2 is in gate-dividing state, if the signal of this state is C ', second three-station 32 (first three-station 31), allow splice grafting ground, as the E ' signal of exporting with door among the figure.
Figure specifies control procedure below in conjunction with bus section cabinet locking principle, and Fig. 3-1 closes for block switch cabinet three-station of the present invention, separating brake control principle figure, and Fig. 3-2 is second section busbar grounding interlocking schematic diagram of the present invention; Concrete control procedure is as follows:
Satisfy second section bus 12 segmentation, second three-station 32 and first section bus section, busbar section 11 segmentation cashier's office in a shop cashier's office in a shop first three-station 31 close the barring condition of isolation, among Fig. 3-1 segmentation shown in the frame of broken lines cashier's office in a shop second three-station 32 be in to close and isolate or gate-dividing state, S3 ' in second three-station 32 divides ground connection control travel switch excited target at this moment, and the normal opened contact location status becomes normally closed.
Satisfy second section bus 12 segmentation, second three-station 32 and the first section bus section, busbar section 11 segmentation cashier's office in a shop barring condition on first three-station, 31 splice grafting ground cashier's office in a shop, among Fig. 3-1 segmentation shown in the frame of broken lines cashier's office in a shop second three-station 32 be in splice grafting ground or gate-dividing state, S2 ' separating brake in second three-station 32 is controlled the travel switch excited target at this moment, and the normal opened contact location status becomes normally closed.
Close isolation or divide the grounded circuit power supply to connect through over commutation, contactor KM1 coil gets electric, and the M motor gets electric just the commentaries on classics until three-station and puts in place.Separate separate or merge grounded circuit power supply and connect through over commutation, contactor KM2 coil gets electric, and the M motor gets electric counter-rotating and puts in place until three-station.
Fig. 3-2 is that the female cutter spacing in second section bus, 12 all line sides is controlled the travel switch excited target in separating brake position S2 ' separating brake, and the normal opened contact location status becomes normally closed.Be used for second section bus 12 ground connection, operating sequence is: confirm that at first first three-station 31 is in that separating offs normal puts, secondly second three-station 32 closes isolation, and condition satisfies and allows first three-station, 31 splice grafting ground to operate.
Fig. 4-the 1st, segmentation isolation cabinet three-station closes, separating brake control principle figure, satisfies first section bus 11 segmentation cabinets, first three-station 31 and second section bus 12 segmentation cabinets second three-station 32 and closes the barring condition of isolation.First three-station 31 of segmentation cabinet shown in the frame of broken lines is in to close and isolates or gate-dividing state among Fig. 4-1, and the S3 ' in first three-station 31 divides ground connection control travel switch excited target at this moment, and the normal opened contact location status becomes normally closed.
Satisfy the barring condition on first section bus 11 segmentation cabinets, first three-station 31 and second section bus 12 segmentation cabinets second three-station 32 splice grafting ground.The cabinet of segmentation shown in the frame of broken lines first three-station 31 is in splice grafting ground or gate-dividing state among the figure, and the S2 ' separating brake in first three-station 31 is controlled the travel switch excited target at this moment, and the normal opened contact location status becomes normally closed.
Close isolation or divide the grounded circuit power supply to connect through over commutation, contactor KM1 coil gets electric, and the M motor gets electric just the commentaries on classics until three-station and puts in place.Separate separate or merge grounded circuit power supply and connect through over commutation, contactor KM2 coil gets electric, and the M motor gets electric counter-rotating and puts in place until three-station.
Fig. 4-2 is first section busbar grounding interlocking schematic diagram of the present invention.First section female cutter spacing in all line sides of bus is in the separating brake position among the figure, and S2 ' separating brake is controlled the travel switch excited target, and the normal opened contact location status becomes normally closed.Be used for first section busbar grounding, operating sequence is: confirm that at first second three-station 32 is in that separating offs normal puts, secondly first three-station 31 closes isolation, and condition satisfies and allows second three-station, 32 splice grafting ground to operate.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1, a kind of electric blocking system of busbar sectional izing switch, comprise bus, circuit breaker, a plural number change over switch, it is characterized in that: described bus is divided into plurality of sections, described change over switch is positioned on the described bus, on one section in the bus of described plurality of sections described circuit breaker is installed, has the electrical interlock relation between the described plural number change over switch.
2, the electric blocking system of busbar sectional izing switch according to claim 1, it is characterized in that: described change over switch is a three-station, described three-station has three service positions: closing position, separating brake position and earthing position, described bus are divided into first section bus and second section bus.
3, the electric blocking system of busbar sectional izing switch according to claim 2, it is characterized in that: described circuit breaker is positioned on first section bus, on described first section bus first three-station is installed, on second section bus second three-station is installed, has the electrical interlock relation between second three-station on first three-station on described first section bus and the second section bus.
4, the electric blocking system of busbar sectional izing switch according to claim 3 is characterized in that: described electrical interlock closes and is:
(1). first three-station is in to close isolates or gate-dividing state (2). and second section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, and second three-station closes isolation.
5, the electric blocking system of busbar sectional izing switch according to claim 3 is characterized in that: described electrical interlock closes and is:
(1). first three-station is in separating brake or splice grafting ground state, (2). and first section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, the second three-station splice grafting ground.
6, the electric blocking system of busbar sectional izing switch according to claim 3 is characterized in that: described electrical interlock closes and is:
(1). second three-station is in to close isolates or gate-dividing state (2). and first section female cutter in all line sides of bus divides the position, as long as both satisfy one, and described circuit breaker is in gate-dividing state, and first three-station closes isolation.
7, the electric blocking system of busbar sectional izing switch according to claim 3 is characterized in that: described electrical interlock closes and is:
(1). second three-station is in separating brake or splice grafting ground state, (2). and second section female cutter in all line sides of bus divides the position, and both satisfy one, and described circuit breaker is in gate-dividing state, the first three-station splice grafting ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910050727 CN101546891B (en) | 2009-05-07 | 2009-05-07 | Electric blocking system of busbar sectionalizing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910050727 CN101546891B (en) | 2009-05-07 | 2009-05-07 | Electric blocking system of busbar sectionalizing switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101546891A true CN101546891A (en) | 2009-09-30 |
| CN101546891B CN101546891B (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910050727 Active CN101546891B (en) | 2009-05-07 | 2009-05-07 | Electric blocking system of busbar sectionalizing switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996798A (en) * | 2010-11-23 | 2011-03-30 | 江苏省电力公司滨海县供电公司 | Voltage transformer ground switch anti-misoperation device |
| CN102005776A (en) * | 2010-10-29 | 2011-04-06 | 中国原子能科学研究院 | Electric interlocking circuit and implementation method thereof |
| CN103828208A (en) * | 2011-05-07 | 2014-05-28 | 沃尔特·马克斯 | Control device and method for actuating a semiconductor switch |
| CN109787471A (en) * | 2018-12-27 | 2019-05-21 | 西安紫光国芯半导体有限公司 | Quickly establish, can be achieved the charge pump system control method and charge pump system of low ripple |
| CN113964873A (en) * | 2021-11-26 | 2022-01-21 | 安徽海螺建材设计研究院有限责任公司 | Garbage power generation grid-connected and security power supply system |
-
2009
- 2009-05-07 CN CN 200910050727 patent/CN101546891B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005776A (en) * | 2010-10-29 | 2011-04-06 | 中国原子能科学研究院 | Electric interlocking circuit and implementation method thereof |
| CN101996798A (en) * | 2010-11-23 | 2011-03-30 | 江苏省电力公司滨海县供电公司 | Voltage transformer ground switch anti-misoperation device |
| CN103828208A (en) * | 2011-05-07 | 2014-05-28 | 沃尔特·马克斯 | Control device and method for actuating a semiconductor switch |
| CN103828208B (en) * | 2011-05-07 | 2017-06-30 | 沃尔特·马克斯 | Control device and method for manipulating semiconductor switch |
| CN109787471A (en) * | 2018-12-27 | 2019-05-21 | 西安紫光国芯半导体有限公司 | Quickly establish, can be achieved the charge pump system control method and charge pump system of low ripple |
| CN109787471B (en) * | 2018-12-27 | 2021-08-20 | 西安紫光国芯半导体有限公司 | Charge pump system control method capable of being quickly established and achieving low ripple and charge pump system |
| CN113964873A (en) * | 2021-11-26 | 2022-01-21 | 安徽海螺建材设计研究院有限责任公司 | Garbage power generation grid-connected and security power supply system |
| CN113964873B (en) * | 2021-11-26 | 2024-05-14 | 安徽海螺建材设计研究院有限责任公司 | Garbage power generation grid-connected and security power supply system |
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|---|---|
| CN101546891B (en) | 2012-01-18 |
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