CN202888832U - Single-power ring network power supply system - Google Patents
Single-power ring network power supply system Download PDFInfo
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- CN202888832U CN202888832U CN 201220607301 CN201220607301U CN202888832U CN 202888832 U CN202888832 U CN 202888832U CN 201220607301 CN201220607301 CN 201220607301 CN 201220607301 U CN201220607301 U CN 201220607301U CN 202888832 U CN202888832 U CN 202888832U
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- ring network
- power supply
- network switch
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- 230000008439 repair process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a single-power ring network power supply system relating to the technical field of residential electricity consumption power supply systems. A power line is connected with a power bus of an electric cable distribution box; a leading-out terminal in the electric cable distribution box is connected with a ring network switch in a box transformer substation of a first band ring network switch through a connecting electric cable; the box transformer substations from the first band ring network switch to the Nth band ring network switch are sequentially connected in series; and the box transformer substation of the Nth band ring network switch is connected with another leading-out terminal in the electric cable distribution box, and the N is a natural number greater than 1. According to the system, the box transformer substations of the plurality of band ring network switches form a ring network power supply mode by single power supply, and the running is flexible; when a transformer in the box transformer station of any band ring network switch and the connecting electric cable are in failure, the transformer in the box transformer station of any ring network switch and the connecting electric cable can be removed right away, and the power supply of transformers is not influenced; the power failure influence range is small; a complex construction technology is not required; and the single-power ring network power supply system is convenient to maintain, and has short failure recovery time.
Description
Technical field
The utility model relates to residential electricity consumption electric power system technical field, relates in particular to a kind of single supply ring network power supply system.
Background technology
Nowadays along with the development in city, increase sharply in residential quarters, and power supply reliability is an extremely important problem.The supply power mode that adopts in electric power system mainly contains two kinds: emanant and looped network formula.Adopting the radiation supply power mode is a kind of habitual way, so the conventional residential quarter power supply emanant power supply of high-power transformer, the modes of less employing ring network power supply of adopting more.
The advantage of emanant power supply is that wiring is simple, power supply reliability is high, relaying protection is simple and operation is simple.Shortcoming is when adopting cable laying for total system, when cable breaks down relatively difficulty find the fault point, repair time is long, it is long to affect the normal electricity consumption time; In addition, the switch cubicle of relative usage is many, and the cable consumption is many and high-tension switch cabinet quantity is many, and expense is higher.
When emanant power supply was used in residential quarters, the single transformer supply district was large, will cause large-area power-cuts when main equipment breaks down, and equipment fault is long repair time, brings great inconvenience to residential electricity consumption.
The utility model content
Technical problem to be solved in the utility model provides a kind of single supply ring network power supply system, when any transformer in the described system breaks down, can keep in repair it at once and do not affect the use of other transformer, power failure range is little, and is easy to maintenance.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of single supply ring network power supply system, it is characterized in that power line connects the power source bus of cable distribution box, a leading-out terminal in the cable distribution box connects first with the loop networks switch in the case change of looped network switch by stube cable, the first case with the looped network switch fades to N and becomes with the case of looped network switch and be connected in series successively, N becomes with another leading-out terminal in the cable distribution box with the case of looped network switch and is connected, and N is the natural number greater than 1.
Preferably: the two ends of stube cable are provided with cable joint.
Preferably: the case change with the looped network switch has five.
The beneficial effect that adopts technique scheme to produce is: described system forms the looped network powering mode with the flexible single power supply of crossing of a plurality of casees with the looped network switch, move very flexible, when the transformer in any case with the looped network switch becomes or stube cable break down, can be at once with its excision, do not affect other transformer-supplied, the power failure coverage is little, does not need complicated construction technology, easy to maintenance, failure recovery time is short.In addition, when described system adopted cable laying, cable broke down than being easier to find the fault point, and recovery time is short, and it is short to affect the normal electricity consumption time, and cable is relative with the high-tension switch cabinet consumption less, and cost is relatively low.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model;
Wherein: 1, power line 2, cable distribution box 3, power source bus 4, leading-out terminal 5, stube cable 6, the first case change 7, loop networks switch 8, cable joint with the looped network switch.
Embodiment
As shown in Figure 1, a kind of single supply ring network power supply system, power line 1 connects the power source bus 3 of cable distribution box 2, a leading-out terminal 4 in the cable distribution box 2 connects first with the loop networks switch 7 in the case change 6 of looped network switch by stube cable 5, the first case with the looped network switch becomes 6 to the N casees changes with the looped network switch and is connected in series successively, N becomes with another leading-out terminal in the cable distribution box 2 with the case of looped network switch and is connected, and N is the natural number greater than 1, and the value of N is made according to actual conditions.For easy-to-connect is provided with cable joint 8 at the two ends of stube cable 5.
Described system forms the looped network powering mode with the flexible single power supply of crossing of a plurality of casees with the looped network switch, move very flexible, when any transformer or stube cable break down, the loop networks switch that only needs to disconnect in its two adjacent casees changes can keep in repair it, do not affect other transformer-supplied, the power failure coverage is little, and is easy to maintenance, and failure recovery time is short.In addition, when described system adopted cable laying, cable broke down than being easier to find the fault point, and recovery time is short, and it is short to affect the normal electricity consumption time, and cable is relative with the high-tension switch cabinet consumption less, and manufacturing cost is relatively low.
Used specific case herein principle of the present utility model and execution mode thereof are set forth, the explanation of above embodiment is just with helping understand method of the present utility model and core concept thereof.Should be pointed out that for the person of ordinary skill of the art, can also carry out some improvement and modification to the utility model under the prerequisite that does not break away from the utility model principle, these improvement and modification also fall in the protection range of the utility model claim.
Claims (3)
1. single supply ring network power supply system, it is characterized in that power line (1) connects the power source bus (3) of cable distribution box (2), leading-out terminal (4) in the cable distribution box (2) connects first with the loop networks switch (7) in the case change (6) of looped network switch by stube cable (5), first becomes (6) with the case of looped network switch becomes with the case of looped network switch to N and is connected in series successively, N becomes with another leading-out terminal in the cable distribution box (2) with the case of looped network switch and is connected, and N is the natural number greater than 1.
2. a kind of single supply ring network power supply according to claim 1 system is characterized in that the two ends of stube cable (5) are provided with cable joint (8).
3. a kind of single supply ring network power supply according to claim 1 system is characterized in that case with the looped network switch becomes and has five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220607301 CN202888832U (en) | 2012-11-16 | 2012-11-16 | Single-power ring network power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220607301 CN202888832U (en) | 2012-11-16 | 2012-11-16 | Single-power ring network power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888832U true CN202888832U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220607301 Expired - Fee Related CN202888832U (en) | 2012-11-16 | 2012-11-16 | Single-power ring network power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946101A (en) * | 2012-11-16 | 2013-02-27 | 沧州供电公司 | Single-power-supply ring network power supply system |
| CN103855712A (en) * | 2014-03-31 | 2014-06-11 | 国网上海市电力公司 | Power distribution net rack wiring structure |
-
2012
- 2012-11-16 CN CN 201220607301 patent/CN202888832U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946101A (en) * | 2012-11-16 | 2013-02-27 | 沧州供电公司 | Single-power-supply ring network power supply system |
| CN103855712A (en) * | 2014-03-31 | 2014-06-11 | 国网上海市电力公司 | Power distribution net rack wiring structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20171116 |