CN204835226U - Line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers - Google Patents
Line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers Download PDFInfo
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- CN204835226U CN204835226U CN201520637163.0U CN201520637163U CN204835226U CN 204835226 U CN204835226 U CN 204835226U CN 201520637163 U CN201520637163 U CN 201520637163U CN 204835226 U CN204835226 U CN 204835226U
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Abstract
The utility model discloses a line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers belongs to the electric main wiring field of electric power system. The technical problem that will solve provides the line arrangement structure that need not set up isolator in the exit. Technical scheme does: first circuit breaker, second circuit breaker and third circuit breaker connect gradually and form a complete cluster, the fourth circuit breaker, the 5th circuit breaker and the 6th circuit breaker connect gradually and form a complete cluster, I generating line and first circuit breaker, the fourth circuit breaker is connected, II generating lines and third circuit breaker, the 6th circuit breaker is connected, the I main inlet wire that becomes is connected between first circuit breaker and second circuit breaker, the II main inlet wires that become are connected between the 5th circuit breaker and the 6th circuit breaker, I of the same name line connection is between second circuit breaker and third circuit breaker, II of the same name line connections are between fourth circuit breaker and the 5th circuit breaker. The stability of operation not only can be guaranteed, investment cost can be practiced thrift moreover.
Description
Technical field
The utility model relates to electric power system electrical main connecting wire field, particularly relates to the line arrangement structure that a kind of bus scheme with one and half breaker is made into two complete strings.
Background technology
Bus scheme with one and half breaker has the outstanding advantages such as traffic control is flexible, operation maintenance is convenient, reliability is high, is used widely at present in 500kV load-center substation.Specify in DL/T5218-2012 " 220kV ~ 750kV Substation Design technical regulation " 5.1.8 article: in bus scheme with one and half breaker, when initial stage circuit and transformer station are two complete strings, isolating switch should be installed in exit.Therefore, transformer station's initial stage circuit be 2 times main transformer inlet wires and 2 times outlets of the same name be made into two complete go here and there time, should arrange isolating switch in the exit in each loop, the arrangement of circuit is as shown in Figure 1.
Arrange outlet isolating switch effect: when a certain outlet of the same name or transformer break down or overhaul need out of service time, the outlet isolating switch in this loop is opened, all the other 3 loop line roads still can be formed loop run.But, when transformer station at a specified future date more than two complete strings time, then do not need outlet isolating switch, if remove mounted outlet isolating switch, not only power distribution equipment retrofit work amount is large, and the isolating switch removed can not utilize, waste investment, if do not remove mounted outlet isolating switch, will the complexity of operation be increased, be not easy to run.
Transformer station's initial stage circuit be 2 times main transformer inlet wires and 2 times outlets of the same name be made into two complete go here and there time, if directly the outlet isolating switch in the line arrangement structure shown in Fig. 1 is cancelled, when a certain outlet of the same name or transformer break down or overhaul need out of service time, then need to disconnect the circuit breaker be connected with this loop, all the other 3 loop line road open loop operation, once generating loop fault again, circuit breaker failure or busbar fault, loop out of service will be increased, whole system is even caused to be stopped transport, such as: line arrangement structure as shown in Figure 1, if cancel the isolating switch in each exit, maintenance of stopping transport is needed when I main transformer inlet wire 31 breaks down, then need to disconnect the first circuit breaker 21 be connected with I main transformer inlet wire 31, second circuit breaker 22, if I main transformer inlet wire 31 is stopped transport between turn(a)round, II outlet 42 of the same name is also broken down needs maintenance of stopping transport, then need to disconnect the 5th circuit breaker 25 be connected with II outlet 42 of the same name, 6th circuit breaker 26, now, can not be communicated with between II main transformer inlet wire 32 with I outlet 41 of the same name, whole system is stopped transport.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of line arrangement structure not needing the bus scheme with one and half breaker arranging isolating switch in exit to be made into two complete strings, not only can ensure the stability run, and can investment reduction cost.
The utility model solves the line arrangement structure that bus scheme with one and half breaker that its technical problem adopts is made into two complete strings, comprises I bus, II bus, first circuit breaker, second circuit breaker, 3rd circuit breaker, 4th circuit breaker, 5th circuit breaker, 6th circuit breaker, I main transformer inlet wire, II main transformer inlet wire, I outlet of the same name and II outlet of the same name, described first circuit breaker, second circuit breaker and the 3rd circuit breaker are in turn connected to form a complete string, described 4th circuit breaker, 5th circuit breaker and the 6th circuit breaker are in turn connected to form a complete string, described I bus and the first circuit breaker, 4th circuit breaker connects, described II bus and the 3rd circuit breaker, 6th circuit breaker connects, described I main transformer inlet wire is connected between described first circuit breaker and the second circuit breaker, described II main transformer inlet wire is connected between the 5th circuit breaker and the 6th circuit breaker, described I outlet of the same name is connected between the second circuit breaker and the 3rd circuit breaker, and described II outlet of the same name is connected between the 4th circuit breaker and the 5th circuit breaker.
The beneficial effects of the utility model are: bus scheme with one and half breaker of the present utility model is made in the line arrangement structure of two complete strings, 2 times main transformer inlet wires and 2 times outlets of the same name, arranged crosswise enters different buses, with prior art, the line arrangement structure being provided with outlet isolating switch is compared, and the reliability of substation operation is suitable.Not only can ensure the stability run, but also not need to arrange outlet isolating switch, can investment reduction cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
Fig. 2 is structural representation of the present utility model;
Shown in figure: I bus 11, II bus 12, first circuit breaker 21, second circuit breaker 22, the 3rd circuit breaker 23, the 4th circuit breaker 24, the 5th circuit breaker 25, the 6th circuit breaker 26, I main transformer inlet wire 31, II main transformer inlet wire 32, I outlet 41, II of the same name outlet 42, first isolating switch 51, second isolating switch 52 of the same name, the 3rd isolating switch 53, the 4th isolating switch 54.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, bus scheme with one and half breaker of the present utility model is made into the line arrangement structure of two complete strings, it is characterized in that: comprise I bus 11, II bus 12, first circuit breaker 21, second circuit breaker 22, 3rd circuit breaker 23, 4th circuit breaker 24, 5th circuit breaker 25, 6th circuit breaker 26, I main transformer inlet wire 31, II main transformer inlet wire 32, I outlet 41 of the same name and II outlet 42 of the same name, described first circuit breaker 21, second circuit breaker 22 and the 3rd circuit breaker 23 are in turn connected to form a complete string, described 4th circuit breaker 24, 5th circuit breaker 25 and the 6th circuit breaker 26 are in turn connected to form a complete string, described I bus 11 and the first circuit breaker 21, 4th circuit breaker 24 connects, described II bus 12 and the 3rd circuit breaker 23, 6th circuit breaker 26 connects, described I main transformer inlet wire 31 is connected between described first circuit breaker 21 and the second circuit breaker 22, described II main transformer inlet wire 32 is connected between the 5th circuit breaker 25 and the 6th circuit breaker 26, described I outlet 41 of the same name is connected between the second circuit breaker 22 and the 3rd circuit breaker 23, and described II outlet 42 of the same name is connected between the 4th circuit breaker 24 and the 5th circuit breaker 25.
As shown in Figure 2, when a certain transmission line circuit of the same name break down or overhaul need out of service time, after the breaker open operation be attached thereto, can be formed one tape two become wiring; When a certain transformer break down or overhaul need out of service time, after the breaker open operation be attached thereto, can be formed two tapes one become wiring.
As shown in Figure 2, maintenance of stopping transport is needed when I main transformer inlet wire 31 breaks down, then disconnect the first circuit breaker 21, second circuit breaker 22 be connected with I main transformer inlet wire 31, if I main transformer inlet wire 31 is stopped transport between turn(a)round, II outlet 42 of the same name is also broken down needs maintenance of stopping transport, then disconnect the 4th circuit breaker 24, the 5th circuit breaker 25 that outlet 42 of the same name with II is connected, now, be still communicated with by the 6th circuit breaker 26, II bus 12 and the 3rd circuit breaker 23 between II main transformer inlet wire 32 with I outlet 41 of the same name.
As shown in Figure 2, break down when only there being a transmission line circuit of the same name or overhaul need out of service time, transformer station still can keep one tape two become operational mode; When two transmission line circuits of the same name all break down or overhaul need out of service time, dead electricity of entirely standing; And the line arrangement structure being provided with outlet isolating switch as shown in Figure 1, when two transmission line circuits of the same name all break down or overhaul need out of service time, full station also can dead electricity.
Therefore, bus scheme with one and half breaker of the present utility model is made in the line arrangement structure of two complete strings, 2 times main transformer inlet wires and 2 times outlets of the same name, arranged crosswise enters different buses, compared with the line arrangement structure being provided with outlet isolating switch shown in Fig. 1, the reliability of substation operation is suitable.Not only can ensure the stability run, but also not need to arrange outlet isolating switch, can investment reduction cost.
Claims (1)
1. bus scheme with one and half breaker is made into the line arrangement structure of two complete strings, it is characterized in that: comprise I bus (11), II bus (12), first circuit breaker (21), second circuit breaker (22), 3rd circuit breaker (23), 4th circuit breaker (24), 5th circuit breaker (25), 6th circuit breaker (26), I main transformer inlet wire (31), II main transformer inlet wire (32), I outlet of the same name (41) and II outlet of the same name (42), described first circuit breaker (21), second circuit breaker (22) and the 3rd circuit breaker (23) are in turn connected to form a complete string, described 4th circuit breaker (24), 5th circuit breaker (25) and the 6th circuit breaker (26) are in turn connected to form a complete string, described I bus (11) and the first circuit breaker (21), 4th circuit breaker (24) connects, described II bus (12) and the 3rd circuit breaker (23), 6th circuit breaker (26) connects, described I main transformer inlet wire (31) is connected between described first circuit breaker (21) and the second circuit breaker (22), described II main transformer inlet wire (32) is connected between the 5th circuit breaker (25) and the 6th circuit breaker (26), described I outlet of the same name (41) is connected between the second circuit breaker (22) and the 3rd circuit breaker (23), described II outlet of the same name (42) is connected between the 4th circuit breaker (24) and the 5th circuit breaker (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637163.0U CN204835226U (en) | 2015-08-21 | 2015-08-21 | Line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637163.0U CN204835226U (en) | 2015-08-21 | 2015-08-21 | Line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers |
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| CN204835226U true CN204835226U (en) | 2015-12-02 |
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| CN201520637163.0U Active CN204835226U (en) | 2015-08-21 | 2015-08-21 | Line arrangement structure of two complete clusters is joined in marriage into in wiring of one and half circuit breakers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300362A (en) * | 2016-09-22 | 2017-01-04 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of class 4/3rds wiring patterns controlling four times Line Flows for UPFC |
| CN106329532A (en) * | 2016-09-14 | 2017-01-11 | 中国能源建设集团江苏省电力设计院有限公司 | Two-thirds-like wiring pattern for UPFC to control power flow of four circuits |
| CN108667021A (en) * | 2018-08-02 | 2018-10-16 | 南方电网科学研究院有限责任公司 | A kind of wiring system based on regular graph |
| RU2739971C1 (en) * | 2020-04-21 | 2020-12-30 | Иосиф Яковлевич Клецель | Open distribution device of electric station with three units of generator-transformer, five lines and autotransformer of communication |
-
2015
- 2015-08-21 CN CN201520637163.0U patent/CN204835226U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329532A (en) * | 2016-09-14 | 2017-01-11 | 中国能源建设集团江苏省电力设计院有限公司 | Two-thirds-like wiring pattern for UPFC to control power flow of four circuits |
| CN106329532B (en) * | 2016-09-14 | 2018-09-11 | 中国能源建设集团江苏省电力设计院有限公司 | 3/2nds wiring patterns of four times Line Flows are controlled for UPFC |
| CN106300362A (en) * | 2016-09-22 | 2017-01-04 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of class 4/3rds wiring patterns controlling four times Line Flows for UPFC |
| CN106300362B (en) * | 2016-09-22 | 2018-09-11 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of 4/3rds wiring patterns controlling four times Line Flows for UPFC |
| CN108667021A (en) * | 2018-08-02 | 2018-10-16 | 南方电网科学研究院有限责任公司 | A kind of wiring system based on regular graph |
| CN108667021B (en) * | 2018-08-02 | 2024-04-16 | 南方电网科学研究院有限责任公司 | Wiring system based on regular graph |
| RU2739971C1 (en) * | 2020-04-21 | 2020-12-30 | Иосиф Яковлевич Клецель | Open distribution device of electric station with three units of generator-transformer, five lines and autotransformer of communication |
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