CN105576528A - AC/DC power supply transfer box and comprehensive automation transformation method - Google Patents
AC/DC power supply transfer box and comprehensive automation transformation method Download PDFInfo
- Publication number
- CN105576528A CN105576528A CN201610015384.3A CN201610015384A CN105576528A CN 105576528 A CN105576528 A CN 105576528A CN 201610015384 A CN201610015384 A CN 201610015384A CN 105576528 A CN105576528 A CN 105576528A
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- China
- Prior art keywords
- power supply
- power
- interface
- direct current
- alterating
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an AC/DC power supply transfer box and a comprehensive automation transformation method. The AC/DC power supply transfer box comprises a control main power supply transfer part, wherein the control main power supply transfer part comprises multiple control power supply incoming interfaces, multiple control power supply outgoing interfaces and a first terminal bar, the first terminal bar is used for connecting the control power supply incoming interfaces and the control power supply outgoing interfaces, and the control main power supply transfer part is used for providing a transfer interface between small bus incoming cables of a top control main power supply of a switch cabinet panel and control power supply outgoing cables of an integrated power supply panel. In the comprehensive automation transformation engineering of a substation, the installation and replacement operation of the integrated power supply panel can be completed by utilizing the AC/DC power supply transfer box on the premise of no power outage of a switch cabinet when an AC/DC power supply panel is replaced, thus, the device outage frequency in the transformation engineering is reduced, the construction process is optimized, the repeated labor is reduced, and the construction efficiency is improved.
Description
Technical field
The present invention relates to transformer station secondary system new and old power of alterating and direct current switching device field, be specifically related to a kind of power of alterating and direct current transfer box and Comprehensive Automation Retrofit method.
Background technology
In transformer station's Comprehensive Automation Retrofit engineering; due to the feature of Comprehensive Automation Retrofit; often need to increase to shield position in a large number; consider that electrical secondary system alternating current-direct current load forbids problems such as having a power failure, standby screen position is not enough; relating in the Comprehensive Automation Retrofit engineering changing power of alterating and direct current screen; integrated power supply screen first should be installed, other newly-increased protection observing and controlling screens are installed in former power of alterating and direct current screen infield.Comprehensive Automation Retrofit construction process as shown in Figure 6, first, integrated power supply screen is arranged in the spare space of transformer station, lay feed cable, successively corresponding power of alterating and direct current incoming line cabinet is had a power failure, alternating current-direct current master switch in new power cable to switch cubicle is accessed in switch cubicle, restore electricity, after alternating current-direct current load being all transferred to the new integrated power supply screen installed, remove former power of alterating and direct current screen, new comprehensive self-shield observing and controlling screen is installed at former power of alterating and direct current screen place, protection measurement and control cable is laid again to each switch cubicle, control each switch cubicle to have a power failure successively, other loads of alternating current-direct current are accessed successively and newly protects measurement and control cable, after being completed, restore electricity.
The subject matter that existing transformer station Comprehensive Automation Retrofit integrated power supply construction process exists: when (1) integrated power of alterating and direct current lays and enters high-tension switch cabinet, need to have a power failure to this switch cubicle, but also need to have a power failure to this switch cubicle application in later stage Comprehensive Automation Retrofit, so just cause and repeatedly repeat to have a power failure to primary equipment, improve operation of power networks risk, reduce power supply reliability.(2) add construction workload, cause the repeated labor in work progress, reduce efficiency of construction.(3) in the Comprehensive Automation Retrofit in later stage, when removing original control in switch cubicle, measurement and control cable, likely touch the alterating and direct current source power cable newly laid by mistake, cause alternating current-direct current power-off, make protection observing and controlling lose Power supply.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is the subject matter overcoming the Comprehensive Automation Retrofit integrated power supply construction process existence of above-mentioned existing transformer station.
For this reason, a kind of power of alterating and direct current transfer box of the present invention, comprising:
Control general supply changeover section, comprise multi-channel control electric power incoming line interface, multi-channel control power outlet interface and the row of the first terminal for being connected described multi-channel control electric power incoming line interface and described multi-channel control power outlet interface, for controlling to provide switching interface between power outlet cable for switch cubicle screen top control general supply little bus inlet wire cable and integrated power supply shield.
Preferably, also comprise:
Energy storage general supply changeover section, comprise multichannel accumulation power supply inlet interface, multichannel accumulation power supply outlet interface and the second terminal board for being connected described multichannel accumulation power supply inlet interface and described multichannel accumulation power supply outlet interface, for providing switching interface for switch cubicle screen top energy storage general supply little bus inlet wire cable and integrated power supply shield between accumulation power supply outlet cable.
Preferably, also comprise:
Heating general supply changeover section, comprise multichannel heating power supply inlet interface, multichannel heating power supply outlet interface and the 3rd terminal board for being connected described multichannel heating power supply inlet interface and described multichannel heating power supply outlet interface, for providing switching interface for switch cubicle screen top heating general supply little bus inlet wire cable and integrated power supply shield heating power supply outlet cable.
Preferably, described multichannel is 4 tunnels.
A kind of Comprehensive Automation Retrofit method of the present invention, comprises the following steps:
Installation integrated power supply shields;
Lay feed cable;
Power of alterating and direct current transfer box is utilized to carry out power of alterating and direct current switching;
Remove former power of alterating and direct current screen;
Protection observing and controlling screen is installed;
Protection measurement and control cable is laid to each switch cubicle;
Control each switch cubicle to have a power failure successively;
Access power supply, protection observing and controlling new cable;
Carry out testing and test successfully, restoring electricity.
Technical solution of the present invention, tool has the following advantages:
1. the power of alterating and direct current transfer box that provides of the embodiment of the present invention, before transformation, alternating current-direct current load shields power supply, in transformation process by cable by alternating current-direct current, when incoming line cabinet does not have a power failure, alternating current-direct current load transfer plan can be shielded to integrated power supply by alternating current-direct current transfer box and little busbar sectional izing switch.Now, by out of service for former alternating current-direct current screen, and can carry out dismounting work to it, new protection observing and controlling screen is installed in dismounting district, install, the improvement project of later stage switch cubicle protection TT&C system can be carried out.
2. the Comprehensive Automation Retrofit method that provides of the embodiment of the present invention, can find out in transformer station's Comprehensive Automation Retrofit engineering, when changing power of alterating and direct current screen, under utilizing alternating current-direct current transfer box can realize the prerequisite do not had a power failure at switch cubicle, complete the installation of integrated power supply screen more to change jobs, thus reduce equipment frequency of power cut in improvement project, Optimizing construction flow process, reduce repeated labor, improve efficiency of construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of a concrete example of power of alterating and direct current transfer box in the embodiment of the present invention 1;
Fig. 2 is 35kV transformer station Comprehensive Automation Retrofit engineering switch cubicle fitting arrangement in the embodiment of the present invention 1;
Fig. 3 is the electric hookup before transformation;
Fig. 4 is improved electric hookup;
Fig. 5 is the flow chart of a concrete example of the Comprehensive Automation Retrofit method of the embodiment of the present invention 2;
Fig. 6 is the flow chart of the Comprehensive Automation Retrofit method not adopting power of alterating and direct current transfer box.
Reference numeral: 101-controls general supply changeover section, 102-energy storage general supply changeover section, and 103-heats general supply changeover section, 104-casing.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can also be the connection of two element internals, can be wireless connections, also can be wired connection.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of power of alterating and direct current transfer box, as shown in Figure 1, comprising:
Control general supply changeover section 101, comprise multi-channel control electric power incoming line interface, multi-channel control power outlet interface and the row of the first terminal for being connected multi-channel control electric power incoming line interface and multi-channel control power outlet interface, for controlling to provide switching interface between power outlet cable for switch cubicle screen top control general supply little bus inlet wire cable and integrated power supply shield.Preferably, as shown in Figure 1, the first terminal row (i.e. control general supply switch-over row) that general supply changeover section 101 comprises 4 tunnels control electric power incoming line interfaces, 4 tunnels control power outlet interfaces and controls electric power incoming line interfaces and 4 tunnels control power outlet interface for being connected 4 tunnels is controlled.
Preferably, as shown in Figure 1, power of alterating and direct current transfer box also comprises:
Energy storage general supply changeover section 102, comprise multichannel accumulation power supply inlet interface, multichannel accumulation power supply outlet interface and the second terminal board for being connected multichannel accumulation power supply inlet interface and multichannel accumulation power supply outlet interface, for providing switching interface for switch cubicle screen top energy storage general supply little bus inlet wire cable and integrated power supply shield between accumulation power supply outlet cable.Preferably, as shown in Figure 1, energy storage general supply changeover section 102 comprises 4 road accumulation power supply inlet interface, 4 road accumulation power supply outlet interface and the second terminal board (i.e. energy storage general supply switch-over row) for being connected 4 road accumulation power supply inlet interface and 4 road accumulation power supply outlet interface.
Preferably, as shown in Figure 1, power of alterating and direct current transfer box also comprises:
Heating general supply changeover section 103, comprise multichannel heating power supply inlet interface, multichannel heating power supply outlet interface and the 3rd terminal board for being connected multichannel heating power supply inlet interface and multichannel heating power supply outlet interface, for providing switching interface for switch cubicle screen top heating general supply little bus inlet wire cable and integrated power supply shield heating power supply outlet cable.Preferably, as shown in Figure 1, heat general supply changeover section 103 and comprise 4 road heating power supply inlet interface, 4 road heating power supply outlet interface and the 3rd terminal board (namely heating general supply switch-over row) for being connected 4 road heating power supply inlet interface and 4 road heating power supply outlet interface.
Above-mentioned control general supply changeover section 101, energy storage general supply changeover section 102, heating general supply changeover section 103 3 sections fit are in a casing 104, and preferably, stainless steel material selected by casing 104.
Below by introducing certain 35kV transformer station Comprehensive Automation Retrofit engineering construction flow process, introduce the effect of alternating current-direct current transfer box in transformer station's Comprehensive Automation Retrofit.As shown in Figure 2, be certain 35kV transformer station Comprehensive Automation Retrofit engineering switch cubicle fitting arrangement, in figure, standby screen position district is used for installing integrated power supply screen, installs new protection observing and controlling screen in Ping Wei district to be removed.Before transformation, alternating current-direct current load shields power supply by cable by alternating current-direct current, controls the little bus of power supply, the little bus of accumulation power supply, the little bus electric hookup of heating power supply as shown in Figure 3.
In transformation process, when 35kV incoming line cabinet and 10kV incoming line cabinet do not have a power failure, can by alternating current-direct current load transfer plan to integrated power supply screen by alternating current-direct current transfer box and little busbar sectional izing switch, after transfer, the little bus electric hookup of power supply is as shown in Figure 4.Now, by out of service for former alternating current-direct current screen, and can carry out dismounting work to it, new protection observing and controlling screen is installed in dismounting district, install, the improvement project of later stage switch cubicle protection TT&C system can be carried out.
Embodiment 2
The present embodiment provides a kind of Comprehensive Automation Retrofit method, such as, can utilize the power of alterating and direct current transfer box in above-described embodiment 1, and as shown in Figure 5, this Comprehensive Automation Retrofit method comprises the following steps:
S1, installation integrated power supply screen;
S2, lay feed cable;
S3, power of alterating and direct current transfer box is utilized to carry out power of alterating and direct current switching;
S4, remove former power of alterating and direct current screen;
S5, installation protection observing and controlling screen;
S6, lay protection measurement and control cable to each switch cubicle;
S7, control each switch cubicle and have a power failure successively;
S8, access power supply, protection observing and controlling new cable;
S9, to test;
S10, to test successfully, restore electricity.
In transformer station's Comprehensive Automation Retrofit engineering, do not adopt the construction process figure of power of alterating and direct current transfer box as shown in Figure 6, by shown in the construction process that have employed power of alterating and direct current transfer box shown in Fig. 5 and Fig. 6 do not adopt the construction process of power of alterating and direct current transfer box to contrast after, can find out in transformer station's Comprehensive Automation Retrofit engineering, when changing power of alterating and direct current screen, under utilizing alternating current-direct current transfer box can realize the prerequisite do not had a power failure at switch cubicle, complete the installation of integrated power supply screen more to change jobs, thus equipment frequency of power cut in minimizing improvement project, Optimizing construction flow process, reduce repeated labor, improve efficiency of construction.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (5)
1. a power of alterating and direct current transfer box, is characterized in that, comprising:
Control general supply changeover section, comprise multi-channel control electric power incoming line interface, multi-channel control power outlet interface and the row of the first terminal for being connected described multi-channel control electric power incoming line interface and described multi-channel control power outlet interface, for controlling to provide switching interface between power outlet cable for switch cubicle screen top control general supply little bus inlet wire cable and integrated power supply shield.
2. power of alterating and direct current transfer box according to claim 1, is characterized in that, also comprise:
Energy storage general supply changeover section, comprise multichannel accumulation power supply inlet interface, multichannel accumulation power supply outlet interface and the second terminal board for being connected described multichannel accumulation power supply inlet interface and described multichannel accumulation power supply outlet interface, for providing switching interface for switch cubicle screen top energy storage general supply little bus inlet wire cable and integrated power supply shield between accumulation power supply outlet cable.
3. power of alterating and direct current transfer box according to claim 1 and 2, is characterized in that, also comprise:
Heating general supply changeover section, comprise multichannel heating power supply inlet interface, multichannel heating power supply outlet interface and the 3rd terminal board for being connected described multichannel heating power supply inlet interface and described multichannel heating power supply outlet interface, for providing switching interface for switch cubicle screen top heating general supply little bus inlet wire cable and integrated power supply shield heating power supply outlet cable.
4. the power of alterating and direct current transfer box according to any one of claim 1-3, is characterized in that, described multichannel is 4 tunnels.
5. a Comprehensive Automation Retrofit method, is characterized in that, comprises the following steps:
Installation integrated power supply shields;
Lay feed cable;
Power of alterating and direct current transfer box is utilized to carry out power of alterating and direct current switching;
Remove former power of alterating and direct current screen;
Protection observing and controlling screen is installed;
Protection measurement and control cable is laid to each switch cubicle;
Control each switch cubicle to have a power failure successively;
Access power supply, protection observing and controlling new cable;
Carry out testing and test successfully, restoring electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015384.3A CN105576528B (en) | 2016-01-11 | 2016-01-11 | A kind of power of alterating and direct current transfer box and Comprehensive Automation Retrofit method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015384.3A CN105576528B (en) | 2016-01-11 | 2016-01-11 | A kind of power of alterating and direct current transfer box and Comprehensive Automation Retrofit method |
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| CN105576528A true CN105576528A (en) | 2016-05-11 |
| CN105576528B CN105576528B (en) | 2017-11-07 |
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| CN201610015384.3A Active CN105576528B (en) | 2016-01-11 | 2016-01-11 | A kind of power of alterating and direct current transfer box and Comprehensive Automation Retrofit method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849345A (en) * | 2017-01-12 | 2017-06-13 | 山东钢铁股份有限公司 | Direct current fills the replacing options of feed panel |
| CN110194406A (en) * | 2018-02-26 | 2019-09-03 | 三菱电机大楼技术服务株式会社 | The transformation auxiliary device of elevator and the remodeling method of elevator |
| CN112310874A (en) * | 2020-10-23 | 2021-02-02 | 国网湖北省电力有限公司宜昌供电公司 | 220V double-charging four-feed direct current system uninterrupted safe replacement method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106849345A (en) * | 2017-01-12 | 2017-06-13 | 山东钢铁股份有限公司 | Direct current fills the replacing options of feed panel |
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| CN112310874A (en) * | 2020-10-23 | 2021-02-02 | 国网湖北省电力有限公司宜昌供电公司 | 220V double-charging four-feed direct current system uninterrupted safe replacement method |
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| Publication number | Publication date |
|---|---|
| CN105576528B (en) | 2017-11-07 |
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