CN204030989U - A kind of novel rectifying device cabinet - Google Patents
A kind of novel rectifying device cabinet Download PDFInfo
- Publication number
- CN204030989U CN204030989U CN201420494045.4U CN201420494045U CN204030989U CN 204030989 U CN204030989 U CN 204030989U CN 201420494045 U CN201420494045 U CN 201420494045U CN 204030989 U CN204030989 U CN 204030989U
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- phase
- pulse wave
- wave rectifier
- cabinet
- rectifier
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Abstract
The utility model relates to rectifying installation used in metro power substation environment, be specially a kind of novel rectifying device cabinet, comprise cabinet, in cabinet, there are rectifier transformer and two three-phase commutation bridges, a common anode utmost point group of a common anode utmost point group of first three-phase commutation bridge and second three-phase commutation bridge forms one group of rectistack, a common cathode group of first three-phase commutation bridge and a common cathode group of second three-phase commutation bridge form one group of rectistack, be in cabinet, to have six groups of rectistacks, common cathode on first three-phase commutation bridge is extremely extremely connected with the common anode on second three-phase commutation bridge.The utility model is extremely extremely connected the common cathode on first three-phase commutation bridge with the common anode on second three-phase commutation bridge, realize rectifier cubicle and exported the rated output voltage U1 of two times, can meet the operational environment of two times of rated voltage U1, and do not need to prepare in addition a rectifier cubicle, save job costs, also can not reduce the utilance of rectifier cubicle.
Description
Technical field
The utility model relates to rectifying installation used in industry manufacture and metro power substation environment, is specially a kind of novel rectifying device cabinet.
Background technology
In current industry manufacture and metro power substation environment, due to the particular/special requirement of increasing power consumption equipment to rated voltage and rated current, cause the designing requirement of rectifier cubicle also to increase thereupon.Present rectifier cubicle comprises cabinet, in cabinet, there are rectifier transformer and rectifier bridge, rectifier cubicle for the voltage of exporting more level and smooth, the rectifier system of rectifier cubicle is 12 pulse wave rectifiers, be the three-phase 6 pulse wave rectifier bridges that comprise two output parallel connections in rectifier cubicle, the input of one of them three-phase 6 pulse wave rectifier bridge and the secondary side star winding of rectifier transformer are connected, the input of another three-phase 6 pulse wave rectifier bridges and the secondary side delta windings of rectifier transformer are connected, due to the rectifier transformer secondary side star winding line voltage-phase corresponding with delta windings π/6 of staggering, just can realize 12 pulse wave rectifiers, a rated voltage U1 of every rectifier cubicle output, due to the requirement of operational environment, while needing the operating voltage of U1 of a twice, to prepare in addition a rectifier cubicle, the operating voltage of the U1 of a twice of two rectifier cubicle series connection output, but also need other outfit connection in series-parallel conversion cabinet could realize the output of two rectifier cubicles, job costs are increased like this, in addition in the time that the operating voltage needing is U1, another rectifier cubicle is in idle state, reduce the utilance of rectifier cubicle.
Summary of the invention
When the utility model needs the series connection of two rectifier cubicles to meet job requirement in order to solve and the cost bringing increases and the low problem of rectifier cubicle utilance, provide a kind of novel rectifying device cabinet.
The utility model is to adopt following technical scheme to realize: a kind of novel rectifying device cabinet, comprise cabinet, in cabinet, there is rectifier transformer, first three-phase 6 pulse wave rectifier bridges and second three-phase 6 pulse wave rectifier bridge, the input of one of them three-phase 6 pulse wave rectifier bridge and the secondary side star winding of rectifier transformer are connected, the input of another three-phase 6 pulse wave rectifier bridges and the secondary side delta windings of rectifier transformer are connected, 1 of two three-phase 6 pulse wave rectifier bridges, 3, 5 brachium pontis are all fixed on the front reveal of cabinet, 2 of two three-phase 6 pulse wave rectifier bridges, 4, 6 brachium pontis are all fixed on the rear reveal of cabinet, a common anode utmost point group of first three-phase 6 pulse wave rectifier bridges and a common anode utmost point group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, a common cathode group of first three-phase 6 pulse wave rectifier bridges and a common cathode group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, be in cabinet, to have six groups of rectistacks (each three-phase 6 pulse wave rectifier bridges have three common anode utmost point groups and three common cathode groups), common cathode on first three-phase 6 pulse wave rectifier bridges is extremely extremely connected with the common anode on second three-phase, 6 pulse wave rectifier bridges.
Common cathode on first three-phase 6 pulse wave rectifier bridges is extremely extremely connected with the common anode on second three-phase, 6 pulse wave rectifier bridges, realized the series connection of two three-phase 6 pulse wave rectifier bridges, the voltage of two three-phase 6 pulse wave rectifier bridge outputs is added, the rated output voltage U1 that rectifier cubicle output is two times, can meet the operational environment of two times of rated voltage U1, and do not need to prepare in addition a rectifier cubicle, job costs are saved, also can not reduce the utilance of rectifier cubicle, if when operating voltage requires to be rated voltage U1, common anode on first three-phase 6 pulse wave rectifier bridges is extremely extremely connected with the common anode on second three-phase, 6 pulse wave rectifier bridges, common cathode on second three-phase 6 pulse wave rectifier bridge is extremely extremely connected with the common cathode on second three-phase, 6 pulse wave bridges, realize the parallel connection of two three-phase 6 pulse wave rectifier bridges, the output of rectifier cubicle is rated voltage U1, in the utility model, six common anode utmost point groups and six common cathode groups of two three-phase 6 pulse wave rectifier bridges are formed to six groups of rectistacks simultaneously, facilitated and changed and maintenance.
The utlity model has following beneficial effect:
1) on space, in some specific operation environment, the separate unit rectifier cubicle of new construction can substitute two rectifier cubicles of existing structure and power to power consumption equipment, can save the area occupied of a rectifier cubicle in electric substation, saves usage space;
2) economically, the cost of supposing the major loop (diode rectification heap) of new construction separate unit rectifier cubicle and two rectifier cubicle major loops (diode rectification heap) of existing structure is identical, taking existing structure separate unit rectifier cubicle cost total price 120,000 as example, existing structure separate unit rectifier major loop cost accounts for total cost 50%, 60,000 yuan, remainder cost is 60,000 yuan, therefore learn that two rectifier cubicles of the relative existing structure of new construction separate unit rectifier cubicle can save 60,000 yuan of manufacturing costs, greatly promoted economic benefit;
3) integrated, when two rectifier cubicles of existing structure need connection in series-parallel to switch in special operation condition, need to increase external switch conversion equipment, significant wastage space and cost payout, and all functions of two rectifier cubicles of the integrated existing structure of new construction separate unit rectifier cubicle and external conversion switch, there is higher Integrated Trait;
4) application, this new construction rectifier cubicle comes into operation at Hitachi's Yongji company production site experiment station, and application performance is respond well, is applicable to the experiment station of space compactness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of novel rectifying device cabinet, comprise cabinet, in cabinet, there is rectifier transformer, first three-phase 6 pulse wave rectifier bridges and second three-phase 6 pulse wave rectifier bridge, the input of one of them three-phase 6 pulse wave rectifier bridge and the secondary side star winding of rectifier transformer are connected, the input of another three-phase 6 pulse wave rectifier bridges and the secondary side delta windings of rectifier transformer are connected, 1 of two three-phase 6 pulse wave rectifier bridges, 3, 5 brachium pontis are all fixed on the front reveal of cabinet, 2 of two three-phase 6 pulse wave rectifier bridges, 4, 6 brachium pontis are all fixed on the rear reveal of cabinet, a common anode utmost point group of first three-phase 6 pulse wave rectifier bridges and a common anode utmost point group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, a common cathode group of first three-phase 6 pulse wave rectifier bridges and a common cathode group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, be in cabinet, to have six groups of rectistacks, common cathode on first three-phase 6 pulse wave rectifier bridges is extremely extremely connected with the common anode on second three-phase, 6 pulse wave rectifier bridges.
When concrete enforcement, rectifier arm on two three-phase 6 pulse wave rectifier bridges is installed on by insulator on the crossbeam of cabinet, insulator surface all does surface flame-retardant processing, to ensure that it has enough dielectric strengths, cabinet inner top position is fixed with rectifier bridge second protection loop, below is also provided with and exchanges conflux busbar and the direct current busbar that confluxes in cabinet, the radiator that every group of rectistack is processed into strip by block radiator and one press-fits upper diode and forms, one end of fast acting fuse on the brachium pontis of three-phase 6 pulse wave rectifier bridges and the interchange busbar that confluxes is connected, the other end is connected with block radiator by copper bar.
Claims (1)
1. a novel rectifying device cabinet, comprise cabinet, in cabinet, there is rectifier transformer, first three-phase 6 pulse wave rectifier bridges and second three-phase 6 pulse wave rectifier bridge, the input of one of them three-phase 6 pulse wave rectifier bridge and the secondary side star winding of rectifier transformer are connected, the input of another three-phase 6 pulse wave rectifier bridges and the secondary side delta windings of rectifier transformer are connected, 1 of two three-phase 6 pulse wave rectifier bridges, 3, 5 brachium pontis are all fixed on the front reveal of cabinet, 2 of two three-phase 6 pulse wave rectifier bridges, 4, 6 brachium pontis are all fixed on the rear reveal of cabinet, it is characterized in that a common anode utmost point group of first three-phase 6 pulse wave rectifier bridges and a common anode utmost point group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, a common cathode group of first three-phase 6 pulse wave rectifier bridges and a common cathode group of second three-phase 6 pulse wave rectifier bridge form one group of rectistack, be in cabinet, to have six groups of rectistacks, common cathode on first three-phase 6 pulse wave rectifier bridges is extremely extremely connected with the common anode on second three-phase, 6 pulse wave rectifier bridges.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420494045.4U CN204030989U (en) | 2014-08-29 | 2014-08-29 | A kind of novel rectifying device cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420494045.4U CN204030989U (en) | 2014-08-29 | 2014-08-29 | A kind of novel rectifying device cabinet |
Publications (1)
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CN204030989U true CN204030989U (en) | 2014-12-17 |
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Family Applications (1)
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CN201420494045.4U Expired - Fee Related CN204030989U (en) | 2014-08-29 | 2014-08-29 | A kind of novel rectifying device cabinet |
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CN (1) | CN204030989U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104184340A (en) * | 2014-08-29 | 2014-12-03 | 永济新时速电机电器有限责任公司 | Novel rectifier cabinet |
CN109524891A (en) * | 2017-09-18 | 2019-03-26 | 国网山东省电力公司经济技术研究院 | Traction rectifier switchgear and the traction substation for using the switchgear |
-
2014
- 2014-08-29 CN CN201420494045.4U patent/CN204030989U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104184340A (en) * | 2014-08-29 | 2014-12-03 | 永济新时速电机电器有限责任公司 | Novel rectifier cabinet |
CN109524891A (en) * | 2017-09-18 | 2019-03-26 | 国网山东省电力公司经济技术研究院 | Traction rectifier switchgear and the traction substation for using the switchgear |
CN109524891B (en) * | 2017-09-18 | 2020-07-28 | 国网山东省电力公司经济技术研究院 | Traction rectification switch device and traction substation using same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20190829 |
|
CF01 | Termination of patent right due to non-payment of annual fee |