CN102386677A - Modular direct current power distribution screen - Google Patents
Modular direct current power distribution screen Download PDFInfo
- Publication number
- CN102386677A CN102386677A CN2011104130833A CN201110413083A CN102386677A CN 102386677 A CN102386677 A CN 102386677A CN 2011104130833 A CN2011104130833 A CN 2011104130833A CN 201110413083 A CN201110413083 A CN 201110413083A CN 102386677 A CN102386677 A CN 102386677A
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- Prior art keywords
- modularization
- circuit breaker
- terminal
- feeds out
- connects
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- 238000012423 maintenance Methods 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a modular current power distribution screen which comprises a screen body (1) and the like. The modular current power distribution screen is characterized in that at least one modular feed unit (2), at least one modular overhaul bypass unit (3), at least one feeder terminal bar (4) and a feed terminal (5) are arranged in the screen body (1), wherein each modular feed unit (2) comprises a module body (2-6), at least four feeder micro interface terminals (2-1), at least four insulating current transformers (2-4), at least eight voltage/current transducer interface terminals (2-5), an indicating lamp (2-2) and a digital voltmeter (2-3); each modular overhaul bypass unit (3) comprises one overhaul switch (3-1) and an experimental feeder terminal (3-2); and the number of the experimental feeder terminals (3-2) is twice that of the feeder micro interface terminals (2-1). The invention has advantages of simple and practical structure, convenience, time saving and safety.
Description
Technical field:
The present invention relates to a kind of modularized dc and divide electric screen, belong to electric power system substation equipment maintenance and repair technical field.
Background technology:
At present; There are following problem in the feed panel that transformer station direct current system adopts, branch electric screen on structure and electric wiring; If change circuit breaker or insulating monitoring device transducer (CT), must have a power failure by corresponding circuit, but be the chance that does not almost have power failure for the DC power supply that moves.Even if the chance of power failure is arranged, change a circuit breaker and insulating monitoring device transducer also needs the time more than 4 hours, and adjacent equipment charging operation, abnormally dangerous.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and provide a kind of simple and practical, make things convenient for, save time, the modularized dc of safety divides electric screen.
The object of the invention can reach through following measure: a kind of modularized dc divides electric screen; It comprises the screen body; The front and back of screen body are respectively equipped with button fly front and back pullout (BPO); It is characterized in that shielding and be provided with at least 1 modularization feed element, at least 1 modularization maintenance by-pass unit, at least 1 feed line terminals row and input terminal in the body, input terminal is link block feed element, modularization maintenance by-pass unit respectively, and modularization feed element, modularization maintenance by-pass unit all connect feed line terminals row; Each modularization feed element comprises module body; Module body is provided with at least 4 and feeds out miniature circuit breaker, at least 4 insulating monitoring current transformers and at least 8 voltage/current transmitter Interface Terminals, and each feeds out miniature circuit breaker and connects an insulating monitoring current transformer and an indicator light, and each insulating monitoring current transformer connects two voltage/current transmitter Interface Terminals; Voltage/current transmitter Interface Terminal connects feed line terminals row; Input terminal connects respectively and feeds out miniature circuit breaker, digital voltmeter, and each modularization maintenance by-pass unit comprises 1 inspection switch, and inspection switch connects input terminal respectively and experiment feeds out terminal; Experiment feeds out terminal and connects feed line terminals row, and the quantity that experiment feeds out terminal is to feed out 2 times of miniature circuit breaker.
In order further to realize the object of the invention, be provided with 1-7 modularization feed element, a 1-7 modularization maintenance by-pass unit, a 1-7 feed line terminals row in the described screen body.
In order to realize that further the object of the invention, the described quantity that feeds out miniature circuit breaker are 4-8, the quantity of insulating monitoring current transformer is 4-8, and the quantity of voltage/current transmitter Interface Terminal is 8-16.
The present invention compares with prior art can produce following good effect: the present invention adopts modularized design; Circuit breaker and insulating monitoring current transformer are placed in the module; When its damage needs maintenance or changes; Through the maintenance bypass operation of leading the way, take off corresponding module, replacing circuit breaker or insulating monitoring current transformer.Each output of modularization maintenance by-pass unit can feed out the by-pass switch of unit separately as a modularization, this module is at ordinary times in off-state, if certain module feeds out the unit need overhaul the time, ability is closed corresponding switch.Ensureing under the state that load does not have a power failure, corresponding trouble unit is withdrawed from maintenance like this.The present invention accomplishes the not branch electric screen of interruption maintenance direct current operative power source fully, changes approximately needs of a circuit breaker or insulating monitoring current transformer at present
4 hoursTime, the present invention can accomplish
20Change in minute.The present invention makes things convenient for, saves time, safety, has improved the reliability of direct current system power supply greatly, has effectively solved the problem that existing equipment exists.
Description of drawings:
Fig. 1 is a front view of the present invention;
Fig. 2 is a rearview of the present invention.
Fig. 3 is the structural representation of modularization feed element of the present invention;
Fig. 4 is of the present invention
SupplyThe electricity theory diagram;
Fig. 5 is the electric theory diagram of modularization feed element of the present invention;
The electric theory diagram of Fig. 6 modularization maintenance of the present invention by-pass unit;
Embodiment: elaborate below in conjunction with the accompanying drawing specific embodiments of the invention:
Embodiment: a kind of modularized dc divides electric screen (referring to Fig. 1-Fig. 6); It comprises screen body 1; The front and back of screen body 1 are respectively equipped with button fly front 6 and back pullout (BPO) 7; Front portion in the screen body 1 is provided with 1-7 modularization feed element 2 (present embodiment is 6); Rear portion in the screen body 1 is provided with 1-7 modularization maintenance by-pass unit 3 (present embodiment is 6), 1-7 feed line terminals row 4 (present embodiment is 6) and an input terminal 5, and modularization feed element 2, modularization maintenance by-pass unit 3 and feed line terminals row's 4 quantity is identical.Input terminal 5 is link block feed element 2, modularization maintenance by-pass unit 3 respectively, and modularization feed element 2, modularization maintenance by-pass unit 3 all connect feed line terminals row 4.Each modularization feed element 2 comprises module body 2-6, module body 2-6's
BeforeFace is provided with 4-8 and feeds out miniature circuit breaker 2-1 (present embodiment is 8), a 4-8 insulating monitoring current transformer 2-4 (present embodiment is 8) and 8-16 voltage/current transmitter Interface Terminal 2-5 (present embodiment is 16); Each feeds out miniature circuit breaker 2-1 and connects an insulating monitoring current transformer 2-4 and an indicator light 2-2; Each insulating monitoring current transformer 2-4 connects two voltage/current transmitter Interface Terminal 2-5; Voltage/current transmitter Interface Terminal 2-5 connects feed line terminals row 4; Input terminal 5 connects respectively and feeds out miniature circuit breaker 2-1, digital voltmeter 2-3, and digital voltmeter 2-3 makes things convenient for the operating voltage and the state of Observation Blocks feed element 2.Indicator light 2-2 is located on the module body 2-6.Each modularization maintenance by-pass unit 3 comprises 1 inspection switch 3-1; Inspection switch 3-1 connects input terminal 5 respectively and feeds out terminal 3-2 with experiment; Experiment feeds out terminal 3-2 and connects feed line terminals row 4, and the quantity that experiment feeds out terminal 3-2 is 2 times (present embodiment is 16) that feed out miniature circuit breaker 2-1.
When normally moving, power supply to modularization power supply unit 2 and modularization maintenance by-pass unit 3, feeds out miniature circuit breaker 2-1 closure through input terminal 5, modularization is overhauled by-pass unit (contain experiment and feed out terminal) 3 and broken off, and supplies power to loading through feed line terminals row 4.When one of needs replacing feeds out miniature circuit breaker 2-1 or insulating monitoring current transformer 2-4; At first modularization is overhauled unit 3 (contain experiment and feed out terminal) and get to closed position, this moment, load was simultaneously by feeding out 3 power supplies of miniature circuit breaker 2-1 and modularization maintenance unit.Break off then and feed out miniature circuit breaker 2-1; Load changes by 3 power supplies of modularization maintenance unit; So just can modularization power supply unit 2 be pulled out, change and feed out miniature circuit breaker 2-1 or insulating monitoring current sensor 2-4, thereby guarantee the uninterrupted of direct current supply between the stage of replacement.
Claims (3)
1. a modularized dc divides electric screen; It comprises screen body (1); The front and back of screen body (1) are respectively equipped with button fly front (6) and back pullout (BPO) (7); It is characterized in that shielding and be provided with at least 1 modularization feed element (2), at least 1 modularization maintenance by-pass unit (3), at least 1 feed line terminals row (4) and input terminal (5) in the body (1); Input terminal (5) is link block feed element (2), modularization maintenance by-pass unit (3) respectively; Modularization feed element (2), modularization maintenance by-pass unit (3) all connect feed line terminals row (4); Each modularization feed element (2) comprises module body (2-6); Module body (2-6) is provided with at least 4 and feeds out miniature circuit breaker (2-1), at least 4 insulating monitoring current transformers (2-4) and at least 8 voltage/current transmitter Interface Terminals (2-5), and each feeds out miniature circuit breaker (2-1) and connects an insulating monitoring current transformer (2-4) and an indicator light (2-2), and each insulating monitoring current transformer (2-4) connects two voltage/current transmitter Interface Terminals (2-5); Voltage/current transmitter Interface Terminal (2-5) connects feed line terminals row (4); Input terminal (5) connects respectively and feeds out miniature circuit breaker (2-1), digital voltmeter (2-3), and each modularization maintenance by-pass unit (3) comprises 1 inspection switch (3-1), and inspection switch (3-1) connects input terminal (5) respectively and experiment feeds out terminal (3-2); Experiment feeds out terminal (3-2) and connects feed line terminals row (4), and the quantity that experiment feeds out terminal (3-2) is for feeding out 2 times of miniature circuit breaker (2-1).
2. a kind of modularized dc according to claim 1 divides electric screen, it is characterized in that being provided with in the described screen body (1) 1-7 modularization feed element (2), a 1-7 modularization maintenance by-pass unit (3), a 1-7 feed line terminals row (4).
3. a kind of modularized dc according to claim 1 divides electric screen; It is characterized in that the described quantity that feeds out miniature circuit breaker (2-1) is 4-8; The quantity of insulating monitoring current transformer (2-4) is 4-8, and the quantity of voltage/current transmitter Interface Terminal (2-5) is 8-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110413083 CN102386677B (en) | 2011-12-13 | 2011-12-13 | Modular direct current power distribution screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110413083 CN102386677B (en) | 2011-12-13 | 2011-12-13 | Modular direct current power distribution screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102386677A true CN102386677A (en) | 2012-03-21 |
| CN102386677B CN102386677B (en) | 2013-05-29 |
Family
ID=45825777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110413083 Expired - Fee Related CN102386677B (en) | 2011-12-13 | 2011-12-13 | Modular direct current power distribution screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102386677B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765056A (en) * | 2017-09-22 | 2018-03-06 | 国家电网公司 | Direct current CT more changing devices |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1006641A2 (en) * | 1998-11-06 | 2000-06-07 | Kling Lindquist Partnership Inc. | System and method for providing an uninterruptible power supply to a critical load |
| JP2004236427A (en) * | 2003-01-30 | 2004-08-19 | Hitachi Ltd | Uninterruptible power supply unit |
| CN200997496Y (en) * | 2006-08-09 | 2007-12-26 | 长春红星电器设备厂 | Movable high-voltage switching closet with shunt |
| CN202374040U (en) * | 2011-12-13 | 2012-08-08 | 山东电力集团公司烟台供电公司 | Modular DC (direct current) split electric screen |
-
2011
- 2011-12-13 CN CN 201110413083 patent/CN102386677B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1006641A2 (en) * | 1998-11-06 | 2000-06-07 | Kling Lindquist Partnership Inc. | System and method for providing an uninterruptible power supply to a critical load |
| JP2004236427A (en) * | 2003-01-30 | 2004-08-19 | Hitachi Ltd | Uninterruptible power supply unit |
| CN200997496Y (en) * | 2006-08-09 | 2007-12-26 | 长春红星电器设备厂 | Movable high-voltage switching closet with shunt |
| CN202374040U (en) * | 2011-12-13 | 2012-08-08 | 山东电力集团公司烟台供电公司 | Modular DC (direct current) split electric screen |
Non-Patent Citations (1)
| Title |
|---|
| 张胜达: "配电屏简易设计", 《科技经济市场》, no. 2, 28 February 2006 (2006-02-28) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765056A (en) * | 2017-09-22 | 2018-03-06 | 国家电网公司 | Direct current CT more changing devices |
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| Publication number | Publication date |
|---|---|
| CN102386677B (en) | 2013-05-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG ELECTRIC POWER CORPORATION YANTAI POWER S Effective date: 20130517 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHANDONG ELECTRIC POWER CORPORATION YANTAI POWER SUPPLY CO., LTD. Effective date: 20130517 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 264000 YANTAI, SHANDONG PROVINCE TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130517 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Yantai Power Supply Co., Ltd., Shandong Electric Power Corporation Address before: 264000 Jiefang Road, Shandong, No. 158, Patentee before: Yantai Power Supply Co., Ltd., Shandong Electric Power Corporation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20181213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |