CN105720680B - A kind of cell DC load transfer equipment and method - Google Patents
A kind of cell DC load transfer equipment and method Download PDFInfo
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- CN105720680B CN105720680B CN201410720991.0A CN201410720991A CN105720680B CN 105720680 B CN105720680 B CN 105720680B CN 201410720991 A CN201410720991 A CN 201410720991A CN 105720680 B CN105720680 B CN 105720680B
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- load
- load transfer
- direct current
- cell
- power supply
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Abstract
This application discloses a kind of cell DC load transfer equipment and method, which includes:Direct current cabinet, interim DC load transfer box and N number of DC load, N number of DC power supply of N number of DC load and direct current cabinet connects one to one, DC power supply passes through corresponding power cord, circuit conducting is carried out with corresponding DC load, DC power supply carries out circuit conducting by corresponding patchcord, with the corresponding input terminal of interim DC load transfer box, and the corresponding output end of interim DC load transfer box carries out circuit conducting with corresponding DC load.In equipment disclosed in the embodiment of the present application, circuit is shifted using two DC loads, one is to pass through power cord, the DC load of direct current cabinet is transferred directly to DC load, another is, by the DC load of direct current cabinet via interim DC load transfer box, DC load to be transferred to DC load indirectly by patchcord, so that having higher efficiency when shifting DC load, DC load transfer time is shortened.
Description
Technical field
The present invention relates to cell DC load transfer techniques field, more particularly to a kind of cell DC load transfer equipment and
Method.
Background technology
In the small interior of transforming plant protecting, usually there is a large amount of DC load, such as protection screen or various secondary devices,
These protection screens and secondary device need the extraneous DC load that provides that could work normally.
At present in small indoor carry out DC load transfer, needs to utilize temporary power wire, transfer from interim DC load
In case, DC load is connected to each protection screen and secondary device, this process required time is longer, it is difficult to meet direct current
The requirement of improvement project.
In summary as can be seen that the time for how reducing DC load transfer is current urgent problem to be solved.
Invention content
In view of this, the object of the present invention is to provide a kind of cell DC load transfer equipment and method, reduce direct current
The time of load transfer.Its concrete scheme is as follows:
A kind of cell DC load transfer equipment, including direct current cabinet, interim DC load transfer box and N number of DC load,
The N is positive integer, and N number of DC load and N number of DC power supply of the direct current cabinet connect one to one, each direct current
Power supply carries out circuit conducting by corresponding power cord, with corresponding DC load, each DC power supply by turning accordingly
Wiring carries out circuit conducting, the interim DC load switching with the corresponding input terminal of the interim DC load transfer box
The corresponding output end of case carries out circuit conducting with corresponding DC load.
Preferably, the DC load is protection screen.
Preferably, the DC load is secondary device.
Preferably, conducting connection is carried out by DC connecting end between the power cord and the DC power supply.
Preferably, conducting connection is carried out by direct current conversion terminal between the patchcord and the DC power supply.
Preferably, when the patchcord is connected with the DC power supply with the power cord, the direct current change-over terminal
It is sub to be fitted closely between DC connecting end.
A kind of cell DC load transfer method, including:
Using power cord, the DC load in direct current cabinet is transferred directly in DC load;
The DC load in the direct current cabinet is shifted indirectly by interim DC load transfer box using patchcord
Into the DC load.
In the present invention, two DC load transfer circuits are used, one is by power cord, by the direct current in direct current cabinet
Load is transferred directly to DC load, and another is to be born the DC load in direct current cabinet via interim direct current by patchcord
DC load, is transferred in DC load by lotus transfer box indirectly, so, compared with the existing technology in only direct current it is negative
Lotus shifts the case where circuit, it is clear that the present invention has higher efficiency when shifting DC load, so as to shorten DC load
Transfer time.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of cell DC load transfer equipment schematic diagram disclosed by the invention;
Fig. 2 is a kind of cell DC load transfer equipment schematic diagram disclosed in the embodiment of the present invention one.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Shown in Figure 1 the invention discloses a kind of cell DC load transfer equipment, which sets
It is standby, including direct current cabinet 11, interim DC load transfer box and N number of DC load, N are positive integer, N number of DC load and direct current cabinet
11 N number of DC power supply connects one to one, each DC power supply by corresponding power cord, with corresponding DC load into
Row circuit is connected, each DC power supply is by corresponding patchcord, with the corresponding input terminal of interim DC load transfer box
Circuit conducting is carried out, the corresponding output end of interim DC load transfer box carries out circuit conducting with corresponding DC load.
In cell DC load transfer equipment disclosed above, two DC load transfer circuits are used, one is logical
Cross power cord, the DC load in direct current cabinet be transferred directly to DC load, another be by patchcord, will be in direct current cabinet
DC load via interim DC load transfer box, DC load is transferred in DC load indirectly, so, relative to
There was only the case where DC load transfer circuit in the prior art, it is clear that the present invention has higher when shifting DC load
Efficiency, so as to shorten DC load transfer time.
Fig. 2 be a kind of cell DC load transfer equipment disclosed by the invention, the cell DC load transfer equipment, including
Direct current cabinet 21, interim DC load transfer box and N number of protection screen, N are positive integer, N number of direct current of N number of protection screen and direct current cabinet 21
Power supply connects one to one, each DC power supply carries out circuit conducting by corresponding power cord, with corresponding protection screen, often
One DC power supply carries out circuit conducting by corresponding patchcord, with the corresponding input terminal of interim DC load transfer box,
The corresponding output end of interim DC load transfer box carries out circuit conducting with corresponding protection screen.
Certainly, above-mentioned DC load can also be secondary device.
Conducting connection is carried out by DC connecting end between said power and DC power supply;Patchcord and DC power supply
Between conducting connection carried out by direct current conversion terminal;When patchcord is connected with DC power supply with power cord, direct current switching
It is fitted closely between terminal and DC connecting end.Wherein, the shape of preferred DC connecting end is in hollow inverted cone-shaped, directly
The shape of circulation connecting terminal is also hollow inverted cone-shaped, and the outer diameter outline of direct current conversion terminal is less than the interior of DC connecting end
Diameter so that direct current conversion terminal can closely be inserted into the inner surface of DC connecting end, and mutually form circuit turn-on.
In DC load transfer equipment in cell disclosed in embodiment one, direct current conversion terminal can be by being inserted into direct current connection
The inner surface of terminal realizes that the movable connection of two terminals, the connection type of this plug and play greatly facilitate direct current
The overlap joint of load commutating circuit substantially increases the efficiency for building transfer circuit.
The invention also discloses a kind of cell DC load transfer methods, including:
Using power cord, the DC load in direct current cabinet is transferred directly in DC load;
The DC load in the direct current cabinet is shifted indirectly by interim DC load transfer box using patchcord
Into the DC load.
In cell DC load transfer method disclosed above, two DC load transfer circuits are used, one is logical
Cross power cord, the DC load in direct current cabinet be transferred directly to DC load, another be by patchcord, will be in direct current cabinet
DC load via interim DC load transfer box, DC load is transferred in DC load indirectly, so, relative to
There was only the case where DC load transfer circuit in the prior art, it is clear that the present invention has higher when shifting DC load
Efficiency, so as to shorten DC load transfer time.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
Finally, it is to be noted that, herein, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of cell DC load transfer equipment provided by the present invention and method are described in detail above, herein
In apply specific case principle and implementation of the present invention are described, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the present invention;Meanwhile for those of ordinary skill in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
The limitation of the present invention.
Claims (7)
1. a kind of cell DC load transfer equipment, which is characterized in that including direct current cabinet, interim DC load transfer box and N number of
DC load, the N are positive integer, and N number of DC load and N number of DC power supply of the direct current cabinet connect one to one,
Each DC power supply carries out circuit conducting by corresponding power cord, with corresponding DC load, each DC power supply is logical
Corresponding patchcord is crossed, circuit conducting is carried out with the corresponding input terminal of the interim DC load transfer box, it is described interim straight
The corresponding output end of stream load transfer box carries out circuit conducting with corresponding DC load.
2. cell DC load transfer equipment according to claim 1, which is characterized in that the DC load is protection screen.
3. cell DC load transfer equipment according to claim 1, which is characterized in that the DC load is secondary sets
It is standby.
4. according to any one of claims 1 to 3 cell DC load transfer equipment, which is characterized in that the power cord with
Conducting connection is carried out by DC connecting end between the DC power supply.
5. cell DC load transfer equipment according to claim 4, which is characterized in that the patchcord and the direct current
Conducting connection is carried out by direct current conversion terminal between source.
6. cell DC load transfer equipment according to claim 5, which is characterized in that when the patchcord and the power supply
When line is connected with the DC power supply, fitted closely between the direct current conversion terminal and DC connecting end.
7. a kind of cell DC load transfer method, which is characterized in that be applied to as claim 1 to 6 any one of them is small
Room DC load transfer equipment, including:
Using power cord, the DC load in direct current cabinet is transferred directly in DC load;
Using patchcord, by interim DC load transfer box, the DC load in the direct current cabinet is indirectly transferred to institute
It states in DC load.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410720991.0A CN105720680B (en) | 2014-12-02 | 2014-12-02 | A kind of cell DC load transfer equipment and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410720991.0A CN105720680B (en) | 2014-12-02 | 2014-12-02 | A kind of cell DC load transfer equipment and method |
Publications (2)
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CN105720680A CN105720680A (en) | 2016-06-29 |
CN105720680B true CN105720680B (en) | 2018-09-04 |
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CN201410720991.0A Expired - Fee Related CN105720680B (en) | 2014-12-02 | 2014-12-02 | A kind of cell DC load transfer equipment and method |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201490760U (en) * | 2009-09-01 | 2010-05-26 | 安徽省电力公司芜湖供电公司 | Mobile DC power supply panel for transformer station |
CN102064598A (en) * | 2010-11-30 | 2011-05-18 | 山东电力集团公司威海供电公司 | Uninterrupted switching device for DC power supply in transformer substation |
CN102403779A (en) * | 2011-12-08 | 2012-04-04 | 河南省电力公司郑州供电公司 | Power supply system for bypass to operate without power failure |
CN202602134U (en) * | 2012-05-08 | 2012-12-12 | 山东电力集团公司莱芜供电公司 | Portable DC system load transfer auxiliary tank |
CN103178603A (en) * | 2013-04-03 | 2013-06-26 | 国家电网公司 | Load transfer control system of 10KV power distribution network and load transfer method |
CN103840422A (en) * | 2014-02-27 | 2014-06-04 | 云南电网公司带电作业分公司 | 400 A load current switching device for 10 kV power distribution network and application method thereof |
-
2014
- 2014-12-02 CN CN201410720991.0A patent/CN105720680B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201490760U (en) * | 2009-09-01 | 2010-05-26 | 安徽省电力公司芜湖供电公司 | Mobile DC power supply panel for transformer station |
CN102064598A (en) * | 2010-11-30 | 2011-05-18 | 山东电力集团公司威海供电公司 | Uninterrupted switching device for DC power supply in transformer substation |
CN102403779A (en) * | 2011-12-08 | 2012-04-04 | 河南省电力公司郑州供电公司 | Power supply system for bypass to operate without power failure |
CN202602134U (en) * | 2012-05-08 | 2012-12-12 | 山东电力集团公司莱芜供电公司 | Portable DC system load transfer auxiliary tank |
CN103178603A (en) * | 2013-04-03 | 2013-06-26 | 国家电网公司 | Load transfer control system of 10KV power distribution network and load transfer method |
CN103840422A (en) * | 2014-02-27 | 2014-06-04 | 云南电网公司带电作业分公司 | 400 A load current switching device for 10 kV power distribution network and application method thereof |
Non-Patent Citations (2)
Title |
---|
110kV变电站直流负荷转移装置的研制与应用;李鹏等;《直流电源技术》;20140831(第8期);第13、14、20页 * |
500kV变电站直流系统的不停电改造;周杰等;《浙江电力》;20130430(第3期);第22-25页 * |
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