CN102437639A - Method for putting reclosing of 110 KV double lines with parallel operation into service and line for putting reclosing into service - Google Patents
Method for putting reclosing of 110 KV double lines with parallel operation into service and line for putting reclosing into service Download PDFInfo
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- CN102437639A CN102437639A CN2011104206457A CN201110420645A CN102437639A CN 102437639 A CN102437639 A CN 102437639A CN 2011104206457 A CN2011104206457 A CN 2011104206457A CN 201110420645 A CN201110420645 A CN 201110420645A CN 102437639 A CN102437639 A CN 102437639A
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- circuit breaker
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Abstract
The invention, which relates to the power equipment operation technology filed, discloses a method for putting reclosing of 110 KV double lines with parallel operation into service and a line for putting reclosing into service. According to the method, it is changed that a line is under a power side switch reclosing mode for putting into service. The line for putting reclosing into service comprises: an operation line L1 and an operation line L2; power supply sides of the operation line L1 and the operation line L2 are connected with a bus 110KVM1; and load sides of the operation line L1 and the operation line L2 are connected with a bus 110 KV M2. A power supply side breaker D1 of the line L1 is in a reclosing putting detection pressure-free mode W and a load side breaker D2 is in a reclosing putting asynchronous mode F. A power side breaker D3 of the operation line L2 is in the reclosing putting detection pressure-free mode W and a load side breaker D4 of the operation line is in the reclosing putting asynchronous mode F. According to the invention, power delivery for users can be recovered timely and reliable power supply for users can be ensured; losses can be reduced and reliability of power supply of the power system can be improved.
Description
[technical field]
The present invention relates to power equipment running technology field, relate in particular to two paired running circuit reclosing input method and the input circuits of returning of a kind of 110KV.
[background technology]
At present, electrical network 110KV single supply paired running double-circuit line is meant by twice outlet paired running band customer charges on the same electric pressure bus of same transformer station.
110KV single supply paired running double-circuit line reclosing investing method; Circuit LI mains side circuit breaker D1, circuit L2 mains side circuit breaker D3 reclosing are thrown the no pressure mode W of inspection; Circuit LI load side circuit breaker D2 reclosing is thrown non-synchronizing mode F; Circuit L2 load side circuit breaker D4 reclosing is thrown inspection synchronizing mode T, like Fig. 1.
Circuit L1, circuit L2 paired running; As circuit L1, when circuit L2 simultaneously transient fault takes place, circuit L1 mains side circuit breaker D1, circuit LI load side circuit breaker D2, circuit L2 mains side circuit breaker D3, circuit L2 load side circuit breaker D4 protect would trip.At this moment, circuit LI mains side circuit breaker D1 reclosing mode is the no pressure mode W of inspection, after the inspection circuit does not have pressure; The action of circuit breaker D1 reclosing; Because of line fault is transient fault, fault is eliminated on the circuit, and circuit possesses the electric condition of sending; So circuit LI mains side circuit breaker D1 reclosing moves successfully, send electricity normal to circuit L1; Circuit L2 mains side circuit breaker D3 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D3 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit L2 mains side circuit breaker D3 reclosing moves successfully, send electricity normal to circuit L2.This moment, circuit LI load side circuit breaker D2 reclosing mode was non-synchronizing mode F; Meet reclosing mode F operation condition this moment, and circuit breaker D2 should overlap, but because other factors that have nothing to do with reclosing mode of the mechanism of short-circuiting device D2 own or secondary connection or the like; Cause circuit breaker D2 unsuccessful reclosing; Circuit LI load side circuit breaker D2 is at open position, and circuit L1 send electricity unsuccessful to load side bus M2, load side bus M2 no-voltage; And circuit L2 load side circuit breaker D4 reclosing is inspection synchronizing mode T, and one of key factor that can circuit breaker D4 successful reclosing depends on that circuit L2 has voltage and load side bus M2 that two conditions of voltage are arranged, because of circuit L1 load side circuit breaker D2 unsuccessful reclosing; Load side bus M2 no-voltage; Do not meet circuit L2 load side circuit breaker D4 reclosing inspection synchronizing mode T and overlap condition,, cause circuit L2 to send electricity unsuccessful load side bus M2 so the action of circuit breaker D4 reclosing is unsuccessful; Load side bus M2 is no-voltage still; Cause the user to have a power failure, load loss reduces the power system power supply reliability.
[summary of the invention]
In order to overcome the deficiency in the background technology; The present invention provides a kind of 110KV two paired running circuit reclosing input method and input circuits of returning, and can in time recover send electricity to the user, guarantees the reliable power supply to the user; Reduce loss, improved the power supply reliability of electric power system.
In order to realize the foregoing invention purpose, the present invention adopts technical scheme following:
The two paired running circuit reclosings that return of a kind of 110KV drop into circuit; Comprise: working line L1, working line L2; Said working line L1 links to each other with bus 110KV M1 with the mains side of working line L2, and said working line L1 links to each other with bus 110KV M2 with the load side of working line L2; Said working line L1 is composed in series by mains side circuit breaker D1 and load side circuit breaker D2, and said working line L2 is composed in series by mains side circuit breaker D3 and load side circuit breaker D4;
Wherein, circuit LI mains side circuit breaker D1 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D2 is that reclosing is thrown non-synchronizing mode F;
Wherein, the mains side D3 of working line L2 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D4 is that reclosing is thrown non-synchronizing mode F.
The two paired running circuit reclosing input methods of returning of a kind of 110KV, its step is following;
1), for 110KV single supply paired running double-circuit line; Change its circuit and receive electric side switch reclosures investing method; Circuit LI mains side circuit breaker D1, circuit L2 mains side circuit breaker D3 reclosing are thrown the no pressure mode W of inspection, and circuit LI load side circuit breaker D2, circuit L2 load side circuit breaker D4 reclosing are thrown non-synchronizing mode F;
2), circuit L1, circuit L2 paired running; As circuit L1, when circuit L2 simultaneously transient fault takes place, circuit L1 mains side circuit breaker D1, circuit LI load side circuit breaker D2, circuit L2 mains side circuit breaker D3, circuit L2 load side circuit breaker D4 protect would trip;
3), circuit LI mains side circuit breaker D1 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D1 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit LI mains side circuit breaker D1 reclosing moves successfully, send electricity normal to circuit L1;
4), circuit L2 mains side circuit breaker D3 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D3 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit L2 mains side circuit breaker D3 reclosing moves successfully, send electricity normal to circuit L2;
5), circuit LI load side circuit breaker D2 reclosing mode is non-synchronizing mode F; Meet reclosing mode F operation condition this moment, and circuit breaker D2 should overlap, because the factor of the mechanism of short-circuiting device D2 own or secondary connection and reclosing mode; Cause circuit breaker D2 unsuccessful reclosing; Circuit LI load side circuit breaker D2 is at open position, and circuit L1 send electricity unsuccessful to load side bus M2, load side bus M2 no-voltage;
6), circuit L2 load side circuit breaker D2 reclosing mode is non-synchronizing mode F, promptly do not examine and determine mode, need not examine and determine circuit L2 and bus M2 has voltage; Meet reclosing mode F operation condition, circuit breaker D4 reclosing moves successfully, send the electricity success to load side bus M2; In time the user has been recovered to send; Guaranteed reliable power supply, reduced loss, improved the power supply reliability of electric power system the user.
Because adopt aforesaid technical scheme, the present invention has following superiority:
A kind of 110KV is two to return paired running circuit reclosing input method and drops into circuit, can in time recover to send electricity to the user, guarantees the reliable power supply to the user, has reduced loss, has improved the power supply reliability of electric power system.
[description of drawings]
Fig. 1 is two paired running circuit reclosing input method and the input conspectuses of returning of 110KV;
Fig. 2 is the operating circuit block diagram of Fig. 1;
Fig. 3 is two paired running circuit reclosing input method and the input conspectuses of returning of 110KV;
Fig. 4 is the operating circuit block diagram of Fig. 3;
Among the figure: W: the no pressure mode of reclosing inspection; F: the non-synchronizing mode of reclosing; T: reclosing inspection synchronizing mode; H: circuit breaker successful reclosing; Y: circuit or bus have voltage; M: bus;
D: circuit breaker; L: circuit.
[embodiment]
Like Fig. 1,2,3, shown in 4; The two paired running circuit reclosings that return of a kind of 110KV drop into circuit; Comprise: working line L1, working line L2; Said working line L1 links to each other with bus 110KV M1 with the mains side of working line L2, and said working line L1 links to each other with bus 110KV M2 with the load side of working line L2; Said working line L1 is composed in series by mains side circuit breaker D1 and load side circuit breaker D2, and said working line L2 is composed in series by mains side circuit breaker D3 and load side circuit breaker D4; It is characterized in that:
Wherein, circuit LI mains side circuit breaker D1 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D2 is that reclosing is thrown non-synchronizing mode F;
Wherein, the mains side D3 of working line L2 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D4 is that reclosing is thrown non-synchronizing mode F.
During work; For 110KV single supply paired running double-circuit line; Change its circuit and receive electric side switch reclosures investing method; Circuit LI mains side circuit breaker D1, circuit L2 mains side circuit breaker D3 reclosing are thrown the no pressure mode W of inspection, and circuit LI load side circuit breaker D2, circuit L2 load side circuit breaker D4 reclosing are thrown non-synchronizing mode F, like Fig. 2.Circuit L1, circuit L2 paired running; As circuit L1, when circuit L2 simultaneously transient fault takes place, circuit L1 mains side circuit breaker D1, circuit LI load side circuit breaker D2, circuit L2 mains side circuit breaker D3, circuit L2 load side circuit breaker D4 protect would trip.At this moment, circuit LI mains side circuit breaker D1 reclosing mode is the no pressure mode W of inspection, after the inspection circuit does not have pressure; The action of circuit breaker D1 reclosing; Because of line fault is transient fault, fault is eliminated on the circuit, and circuit possesses the electric condition of sending; So circuit LI mains side circuit breaker D1 reclosing moves successfully, send electricity normal to circuit L1; Circuit L2 mains side circuit breaker D3 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D3 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit L2 mains side circuit breaker D3 reclosing moves successfully, send electricity normal to circuit L2.This moment, circuit LI load side circuit breaker D2 reclosing mode was non-synchronizing mode F; Meet reclosing mode F operation condition this moment, and circuit breaker D2 should overlap, but because other factors that have nothing to do with reclosing mode of the mechanism of short-circuiting device D2 own or secondary connection or the like; Cause circuit breaker D2 unsuccessful reclosing; Circuit LI load side circuit breaker D2 is at open position, and circuit L1 send electricity unsuccessful to load side bus M2, load side bus M2 no-voltage; This moment, circuit L2 load side circuit breaker D2 reclosing mode was non-synchronizing mode F, did not promptly examine and determine mode, need not examine and determine circuit L2 and bus M2 has voltage; Meet reclosing mode F operation condition, circuit breaker D4 reclosing moves successfully, send the electricity success to load side bus M2; In time the user has been recovered to send; Guaranteed reliable power supply, reduced loss, improved the power supply reliability of electric power system the user.
Claims (2)
1. the two paired running circuit reclosings that return of 110KV drop into circuit; Comprise: working line L1, working line L2; Said working line L1 links to each other with bus 110KV M1 with the mains side of working line L2, and said working line L1 links to each other with bus 110KV M2 with the load side of working line L2; Said working line L1 is composed in series by mains side circuit breaker D1 and load side circuit breaker D2, and said working line L2 is composed in series by mains side circuit breaker D3 and load side circuit breaker D4; It is characterized in that:
Wherein, circuit LI mains side circuit breaker D1 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D2 is that reclosing is thrown non-synchronizing mode F;
Wherein, the mains side D3 of working line L2 is that reclosing is thrown the no pressure mode W of inspection, and load side circuit breaker D4 is that reclosing is thrown non-synchronizing mode F.
2. drop into the two paired running circuit reclosing input methods of returning of a kind of 110KV of circuit according to claim 1, it is characterized in that: its step is following;
1), for 110KV single supply paired running double-circuit line; Change its circuit and receive electric side switch reclosures investing method; Circuit LI mains side circuit breaker D1, circuit L2 mains side circuit breaker D3 reclosing are thrown the no pressure mode W of inspection, and circuit LI load side circuit breaker D2, circuit L2 load side circuit breaker D4 reclosing are thrown non-synchronizing mode F;
2), circuit L1, circuit L2 paired running; As circuit L1, when circuit L2 simultaneously transient fault takes place, circuit L1 mains side circuit breaker D1, circuit LI load side circuit breaker D2, circuit L2 mains side circuit breaker D3, circuit L2 load side circuit breaker D4 protect would trip;
3), circuit LI mains side circuit breaker D1 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D1 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit LI mains side circuit breaker D1 reclosing moves successfully, send electricity normal to circuit L1;
4), circuit L2 mains side circuit breaker D3 reclosing mode is the no pressure mode W of inspection; After the inspection circuit did not have pressure, the action of circuit breaker D3 reclosing was because of line fault is transient fault; Fault is eliminated on the circuit; Circuit possesses and send electric condition, so circuit L2 mains side circuit breaker D3 reclosing moves successfully, send electricity normal to circuit L2;
5), circuit LI load side circuit breaker D2 reclosing mode is non-synchronizing mode F; Meet reclosing mode F operation condition this moment, and circuit breaker D2 should overlap, because the factor of the mechanism of short-circuiting device D2 own or secondary connection and reclosing mode; Cause circuit breaker D2 unsuccessful reclosing; Circuit LI load side circuit breaker D2 is at open position, and circuit L1 send electricity unsuccessful to load side bus M2, load side bus M2 no-voltage;
6), circuit L2 load side circuit breaker D2 reclosing mode is non-synchronizing mode F, promptly do not examine and determine mode, need not examine and determine circuit L2 and bus M2 has voltage; Meet reclosing mode F operation condition, circuit breaker D4 reclosing moves successfully, send the electricity success to load side bus M2; In time the user has been recovered to send; Guaranteed reliable power supply, reduced loss, improved the power supply reliability of electric power system the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420645.7A CN102437639B (en) | 2011-12-15 | 110KV double back paired running circuit re-switching puts into method and puts into circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420645.7A CN102437639B (en) | 2011-12-15 | 110KV double back paired running circuit re-switching puts into method and puts into circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102437639A true CN102437639A (en) | 2012-05-02 |
| CN102437639B CN102437639B (en) | 2016-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326336A (en) * | 2013-06-28 | 2013-09-25 | 深圳供电局有限公司 | Method and device for eliminating hidden defects of circuit protection reclosure |
| CN108695818A (en) * | 2018-04-20 | 2018-10-23 | 西安理工大学 | A method of voltage dip depth is reduced by three_phase reclosing sequential |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588729A (en) * | 2004-10-14 | 2005-03-02 | 南京南瑞继保电气有限公司 | Re-switch on method for electric tansmission device |
| WO2008115342A1 (en) * | 2007-03-16 | 2008-09-25 | Abb Technology Ag | Advanced feeder architecture with automated power restoration |
| CN202405853U (en) * | 2011-12-15 | 2012-08-29 | 河南省电力公司洛阳供电公司 | 110-KV double-circuit parallel running line reclosing input line |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588729A (en) * | 2004-10-14 | 2005-03-02 | 南京南瑞继保电气有限公司 | Re-switch on method for electric tansmission device |
| WO2008115342A1 (en) * | 2007-03-16 | 2008-09-25 | Abb Technology Ag | Advanced feeder architecture with automated power restoration |
| CN202405853U (en) * | 2011-12-15 | 2012-08-29 | 河南省电力公司洛阳供电公司 | 110-KV double-circuit parallel running line reclosing input line |
Non-Patent Citations (1)
| Title |
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| 温武臣: "《双电源平行双回线路重合闸的设置方式》", 《西北电力技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326336A (en) * | 2013-06-28 | 2013-09-25 | 深圳供电局有限公司 | Method and device for eliminating hidden defects of circuit protection reclosure |
| CN103326336B (en) * | 2013-06-28 | 2016-06-08 | 深圳供电局有限公司 | Method and device for eliminating hidden defects of circuit protection reclosure |
| CN108695818A (en) * | 2018-04-20 | 2018-10-23 | 西安理工大学 | A method of voltage dip depth is reduced by three_phase reclosing sequential |
| CN108695818B (en) * | 2018-04-20 | 2020-03-31 | 西安理工大学 | Method for reducing voltage sag depth through three-phase reclosing time sequence |
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Inventor after: Chen Yanping Inventor after: Zhao Gang Inventor after: Li Jian Inventor after: Song Xiaolong Inventor after: Huang Shizhe Inventor after: Fan Yuefu Inventor before: Chen Yanping Inventor before: Song Xiaolong Inventor before: Huang Shizhe |