CN203312905U - Portable mobile direct-current power cabinet - Google Patents
Portable mobile direct-current power cabinet Download PDFInfo
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- CN203312905U CN203312905U CN2013203061065U CN201320306106U CN203312905U CN 203312905 U CN203312905 U CN 203312905U CN 2013203061065 U CN2013203061065 U CN 2013203061065U CN 201320306106 U CN201320306106 U CN 201320306106U CN 203312905 U CN203312905 U CN 203312905U
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- 230000001131 transforming Effects 0.000 description 8
- 230000032683 aging Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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Abstract
The utility model discloses a portable mobile direct-current power cabinet. The power cabinet comprises a cabinet body in which a plurality of high-frequency charging modules, a central monitoring device, a direct-current output air-switch, an alternating-current input air-switch and a direct-current busbar are mounted. The alternating-current input air-switch is connected with an input terminal of the high-frequency charging module and an alternating-current power supply, and an output terminal of the high-frequency charging module is connected with the direct-current busbar. The direct-current output air-switch is connected with the direct-current busbar. The direct-current busbar is connected with a storage battery by a storage battery input air-switch. The central monitoring device is connected with the high-frequency charging modules through RS485 communication interface lines. The central monitoring device can carry out comprehensive analysis on various data and information based on the temporary system operation state, and is capable of performing control, management and alarm for the system. According to the utility model, the power cabinet is additionally provided with the direct-current busbar in hardware, and the direct-current busbar is connected with the charging modules and the storage battery, so that the direct-current power supply of the direct-current feed line is dually ensured.
Description
[technical field]
The utility model relates to electrical equipment technical field, particularly a kind of Portable movable DC power cabinet.
[background technology]
Fast development along with power grid construction, after transformer station carries out unattended pattern gradually, Transfomer Substation Reconstruction work of a specified duration in a large amount of years is also more and more, comprising quite a few old transformer station direct current system, configures the direct current system transformation of too low and DC feeder looped network.This type of direct current system belongs to ring network structure, the phase mutual interference, influences each other, and when DC earthing occurs, is difficult for looking up the fault point etc.Simultaneously, its each element, because of long-term charging operation, faces the major defects such as device is aging, cable insulation is aging, functions of the equipments are backward, DC suppling network need be optimized.
When carrying out reformation of DC system at power substation, because being subjected to the position requisite number quantitative limitation of transforming plant DC scrap build screen, majority must be changed in former screen position, especially the transformation of feeder line looped network, because not interrupting direct current supply, transformation difficulty and risk are larger, thereby cause the duration longer.
When transformer station direct current system breaks down, by having influence on the power supply of the loads such as protective relaying device, automation equipment, control, signal, emergency lighting and direct current machine, affect the safe operation of electric equipment in transformer station.
[utility model content]
The purpose of this utility model is to provide a kind of Portable movable DC power cabinet, changes transformation or the processing of direct current system emergency episode for transformer station direct current system screen original place.
To achieve these goals, the utility model adopts following technical scheme:
The Portable movable DC power cabinet, comprise cabinet, in cabinet, be equipped with some high frequency charging modules, central monitoring device, direct currents send sky open, exchange the input sky open and DC bus; Exchange empty input and the AC power that connects the high frequency charging module of opening of input, the output of high frequency charging module connects DC bus; Direct current is sent the branch road sky and is opened the connection DC bus; DC bus drops into sky by storage battery and opens and be connected with batteries; Central monitoring device connects the high frequency charging module by the RS485 communication line interface.
The utility model further improves and is: between the output of high frequency charging module and DC bus, be connected with charger input sky and open.
The utility model further improves and is: direct current is sent the branch road sky and is opened and comprise that 20A two-phase direct current air switch is sent five tunnels, 40A two-phase direct current air switch is sent five tunnels.
The utility model further improves and is: the bottom of cabinet bulk universal wheel, both sides are equipped with handle.
The utility model further improves and is: the model of high frequency charging module is HD22010-3; The model of central monitoring device is PSM-01.
The utility model further improves and is: described batteries is the batteries of 220V-100AH, and storage battery drops into sky and opens and open for 100A direct current sky.
With respect to prior art, the beneficial effects of the utility model are mainly manifested in following several respects:
The first, central monitoring device can be according to the temporary system running status, and the various data of analysis-by-synthesis and information, to System Implementation control, management and warning function.Hardware aspect has been installed DC bus, is connecting charging module and batteries, and the DC power supply with dual assurance is the DC feeder power supply simultaneously.
Second, Portable movable DC power cabinet of the present utility model, direct current system temporarily that formed transition by Portable movable DC power cabinet and the group storage battery be connected, during transformation, first use interim charger that former feeder cable terminal is carried out to looped network, steadily transform and safe seamless transitions, guarantee in the unbroken situation of DC power supply to carry out the Overall Reconstruction of the former screen of direct current system screen position, improved the fail safe of changing the screen operation.
The 3rd, although just interim transition, this Portable movable DC power cabinet also should be taken into account to meet between the transforming plant DC age at failure and substitutes the required configuration of DC power supply, guaranteed the safe operation of Substation Electric Equipment in configuration.
The 4th, four universal wheels are equipped with in the bottom of the utility model cabinet, in the both sides of cabinet, handle have been installed, and are convenient to site operation and DC system fault and process.
[accompanying drawing explanation]
Fig. 1 is the utility model Portable movable DC power cabinet front view.
Fig. 2 is the utility model Portable movable DC power cabinet rearview.
Fig. 3 is the utility model Portable movable DC power cabinet end view.
In figure, 1 is cabinet, and 2 is the high frequency charging module, and 3 is central monitoring device, and 4 is universal wheel, and 5 open for charger drops into sky, and 6 open for batteries drops into sky, and 7 send sky for direct current opens, and 8 open for exchanging the input sky, and 9 are handle, and 10 is DC bus.
[embodiment]
Refer to Fig. 1 to shown in Figure 3, the utility model Portable movable DC power cabinet, comprise cabinet 1,3 high frequency charging modules 2 (model: HD22010-3), central monitoring device 3(model: PSM-01), charger drops into that sky opens 5, batteries drops into that sky opens 6, direct current is sent sky and opened 7, exchanges the input sky and open 8 and DC bus 10 has been installed in cabinet 1.
The 380V alternating current is inputted the empty input of opening 8 connection high frequency charging modules 2 by interchange, and high frequency charging module 2 converts alternating current to direct current and outputs on DC bus 10 by its output; Be used to the input of controlling high frequency charging module 2 whether charger drops into sky and opens 5 and connect high frequency charging modules 2.Batteries (220V-100AH) drops into sky by storage battery and opens 6 and be connected in parallel to DC bus 10, drops into and emptyly opens 6 folding and control batteries and whether power to DC bus 10 by storage battery.Direct current is sent the branch road sky and is opened 7 and connect DC buss 10, and direct current is sent the branch road sky and opened 7 and comprise that 20A two-phase direct current air switch is sent five tunnels, 40A two-phase direct current air switch is sent five tunnels.Cabinet 1 Universal wheel at bottom 4, both sides are equipped with handle 9, are convenient to onsite moving.
Central monitoring device 3 is at direct current outlet side cut-off stream 220V power supply, by the RS485 communication line interface, connect high frequency charging module 2, VD and the output current of management high frequency charging module 2, and can carry out the current-limiting charge management to external batteries, all fill, the floating charge switching, to ensure feeder line, confess voltage stabilization, in cabinet, other component information directly carry contact by device signal are linked into to central monitoring device, carry out signals collecting and control.The voltmeter of the voltage that shows the input AC electricity and the ammeter of demonstration DC bus current are installed on cabinet 1.
In cabinet 1, charging module and storage battery input sky are opened simultaneously and are installed in parallel in DC bus.DC bus 10 is connecting charging module and batteries, and the DC power supply with dual assurance is the DC feeder power supply simultaneously.Charger exchanges the inlet wire sky and opens, and has selected two-way 63A three-phase and four-line formula sky to open, and takes from respectively the two-way AC power of transformer station, guarantees the alternating current input power supplying of charger.
The utility model Portable movable DC power cabinet has reasonable in design, compact conformation, simple and practical advantage, higher applicability and broad prospect of application are arranged, experimental results show that and really can change in the retrofit work process and reduce a large amount of man-hours at direct current system screen, fulfil task ahead of schedule, and the interim transforming plant DC load that substitutes is supplied with between the transformer station direct current system age at failure, has guaranteed the safe operation of electric equipment in the transformer station.
Claims (6)
1. Portable movable DC power cabinet, it is characterized in that, comprise cabinet (1), some high frequency charging modules (2), central monitoring device (3), direct current are installed in cabinet (1) and send sky and open (7), exchange the input sky and open (8) and DC bus (10); Exchange the input sky and open input and the AC power that (8) connect high frequency charging module (2), the output of high frequency charging module (2) connects DC bus (10); Direct current is sent the branch road sky and is opened (7) connection DC bus (10); DC bus (10) drops into sky by storage battery and opens (6) and be connected with batteries; Central monitoring device (3) connects high frequency charging module (2) by the RS485 communication line interface.
2. Portable movable DC power cabinet according to claim 1, is characterized in that, between the output of high frequency charging module (2) and DC bus (10), is connected with charger input sky and opens (5).
3. Portable movable DC power cabinet according to claim 1, is characterized in that, direct current is sent the branch road sky and opened (7) and comprise that 20A two-phase direct current air switch is sent five tunnels, 40A two-phase direct current air switch is sent five tunnels.
4. Portable movable DC power cabinet according to claim 1, is characterized in that, cabinet (1) Universal wheel at bottom (4), and both sides are equipped with handle (9).
5. Portable movable DC power cabinet according to claim 1, is characterized in that, the model of high frequency charging module (2) is HD22010-3; The model of central monitoring device (3) is PSM-01.
6. Portable movable DC power cabinet according to claim 1, is characterized in that, described batteries is the batteries of 220V-100AH, and storage battery input sky is opened (6) and opened for 100A direct current sky.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203061065U CN203312905U (en) | 2013-05-30 | 2013-05-30 | Portable mobile direct-current power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203061065U CN203312905U (en) | 2013-05-30 | 2013-05-30 | Portable mobile direct-current power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312905U true CN203312905U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203061065U Active CN203312905U (en) | 2013-05-30 | 2013-05-30 | Portable mobile direct-current power cabinet |
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| Country | Link |
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| CN (1) | CN203312905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826831A (en) * | 2016-05-25 | 2016-08-03 | 国网宁夏电力公司吴忠供电公司 | Direct-current power cabinet |
| CN105978074A (en) * | 2016-06-07 | 2016-09-28 | 国网山东省电力公司临朐县供电公司 | Mobile DC charging device |
| CN107069931A (en) * | 2017-04-14 | 2017-08-18 | 国网江苏省电力公司无锡供电公司 | Movable transformer pack DC load transfer device |
-
2013
- 2013-05-30 CN CN2013203061065U patent/CN203312905U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826831A (en) * | 2016-05-25 | 2016-08-03 | 国网宁夏电力公司吴忠供电公司 | Direct-current power cabinet |
| CN105978074A (en) * | 2016-06-07 | 2016-09-28 | 国网山东省电力公司临朐县供电公司 | Mobile DC charging device |
| CN107069931A (en) * | 2017-04-14 | 2017-08-18 | 国网江苏省电力公司无锡供电公司 | Movable transformer pack DC load transfer device |
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| C14 | Grant of patent or utility model | ||
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