CN202872614U - High-power water cooling current transformer - Google Patents
High-power water cooling current transformer Download PDFInfo
- Publication number
- CN202872614U CN202872614U CN201220488079.3U CN201220488079U CN202872614U CN 202872614 U CN202872614 U CN 202872614U CN 201220488079 U CN201220488079 U CN 201220488079U CN 202872614 U CN202872614 U CN 202872614U
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- current transformer
- phase power
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Abstract
The utility model discloses a high-power water cooling current transformer. The high-power water cooling current transformer comprises a cuboid cabinet body, wherein a power distribution control cabinet, a rectification cabinet and an inverter cabinet are disposed inside the cabinet body; electrical systems of the power distribution control cabinet, the rectification cabinet and the inverter cabinet are electrically connected through copper bars and cables. The power distribution control cabinet comprises a front cavity and a rear cavity, wherein a control system is disposed in the front cavity, and a power distribution system is disposed inside the rear cavity. The high-power water cooling current transformer is simple and compact in structure and clear in wiring, and with the control system of the power distribution control cabinet being positioned in the front of the cabinet body, the high-power water cooling current transformer facilitates signal debugging of the whole machine and cable troubleshooting, and installation and maintenance of the current transformer. Accordingly, the high-power water cooling current transformer solves problems that a conventional current transformer device is not compact in structure, is complex in wiring, and is inconvenient for installation and maintenance.
Description
Technical field
The utility model relates to the wind power technology field, relates in particular to a kind of high-power water-cooling current transformer.
Background technology
The wind power grid-connected generating technology is the important component part of renewable energy technologies, has also obtained in recent years tremendous development, and the part technology has realized commercialization, but also comes with some shortcomings.Especially in high-power converter device is used, the problem such as the overall structure ubiquity of converter device is not compact, wiring is complicated is unfavorable for the installation and maintenance of converter device in narrow and small tower cylinder inner space.
The utility model content
In view of this, the utility model purpose is to provide a kind of high-power water-cooling current transformer, to solve the existing problem that the converter device structure is not compact, wiring is complicated, installation and maintenance is inconvenient.
For achieving the above object, the utility model provides following technical scheme:
A kind of high-power water-cooling current transformer comprises the cuboid cabinet, is provided with control cabinet for power distribution (1), rectifier cabinet (2) and inverter cabinet (3) in the described cabinet; Realize electrical connection by copper bar and cable between described control cabinet for power distribution (1), rectifier cabinet (2) and inverter cabinet (3) three's the Circuits System;
Described control cabinet for power distribution (1) comprises front cavity and rear chamber, is provided with control system (4) in the described front cavity, is provided with distribution system (5) in the described rear chamber.
Preferably, the left surface of described control system (4) or right flank are provided with the rotating parts that described control system (4) is rotated in horizontal plane; Described distribution system comprises pusher side contactor (18) and the net side E type switch (19) that sets gradually from top to bottom.
Preferably, described rectifier cabinet (2) comprises upper cavity, middle cavity and lower chamber;
Described upper cavity comprises three single-phase power modules (8) of vertically placing along described cabinet length direction, is provided with the air channel in the described single-phase power module (8); The air inlet in described air channel is positioned at the top of described single-phase power module (8), and the air outlet in described air channel is positioned at the bottom of described single-phase power module (8);
Described middle cavity comprises three radiator fans (9), and is corresponding one by one with three single-phase power modules (8), and described radiator fan (9) is arranged at the air outlet place of described single-phase power module (8);
Described lower chamber comprises wiring system (10) and the pusher side reactor (11) that sets gradually from front to back; The three-phase of described pusher side reactor (11) is realized electrical connection with three single-phase power modules (8) by copper bar respectively.
Preferably, described inverter cabinet (3) comprises upper cavity, middle cavity and lower chamber;
Described upper cavity comprises three single-phase power modules (8 ') of vertically placing along described cabinet length direction, is provided with the air channel in the described single-phase power module (8 '); The air inlet in described air channel is positioned at the top of described single-phase power module (8 '), and the air outlet in described air channel is positioned at the bottom of described single-phase power module (8 ');
Described middle cavity comprises three radiator fans (9 '), and is corresponding one by one with three single-phase power modules (8 '), and described radiator fan (9 ') is arranged at the air outlet place of described single-phase power module (8 ');
Described lower chamber comprises net side the first reactor (12) and net side the second reactor (13) that arranges along described cabinet length direction; Between described net side the first reactor (12) and net side the second reactor (13), realize electrical connection by copper bar between the three-phase of net side the second reactor (13) and three the single-phase power modules (8 ').
Preferably, described rectifier cabinet (2) and the adjacent setting of inverter cabinet (3), and inside is equipped with the water flowing branch road; Described current transformer also comprises water inlet manifold (6) and outfall sewer (7);
Described water inlet manifold (6) is positioned at the bottom of described rectifier cabinet (2) and inverter cabinet (3), and the water side of described water inlet manifold (6) is connected by the water inlet end of flexible pipe with described water flowing branch road;
Described outfall sewer (7) is positioned at the top of described rectifier cabinet (2) and inverter cabinet (3), and the water inlet end of described outfall sewer (7) also is connected by the water side of flexible pipe with described water flowing branch road;
The water side of the water inlet end of described water inlet manifold (6) and described outfall sewer (7) is positioned at the homonymy of described current transformer.
Preferably, described cabinet top is provided with upper plate (14), is provided with slinging beam (17) on the described upper plate (14); Described bottom of cabinet bulk is provided with lower shoe (15), the described lower shoe (15) that is positioned at the described upper plate (14) at described control cabinet for power distribution (1) top and is positioned at described control cabinet for power distribution (1) bottom is provided with the cable manhole appendix, and described cable manhole appendix place is equipped with waterproof terminal (16).
Can find out that from above-mentioned technical scheme the utility model is function-differentiated and be combined as the three functions cabinet with all parts of current transformer, namely be used for distribution control control cabinet for power distribution, be used for the rectifier cabinet of rectification and be used for the inverter cabinet of inversion.Realize electrical connection by copper bar and cable between the three functions cabinet, simple and compact for structure, wiring understands.And the control system in the control cabinet for power distribution is positioned at the cabinet front portion, both has been convenient to the debugging of complete machine signal and cable investigation, is beneficial to again the installation and maintenance to current transformer.Therefore, the utility model has solved the problem that existing converter device structure is not compact, wiring is complicated, installation and maintenance is inconvenient.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of plan structure schematic diagram of the high-power water-cooling current transformer that Fig. 1 provides for the utility model embodiment;
The another kind of plan structure schematic diagram of the high-power water-cooling current transformer that Fig. 2 provides for the utility model embodiment;
The main TV structure schematic diagram under the first state of the high-power water-cooling current transformer that Fig. 3 provides for the utility model embodiment;
The main TV structure schematic diagram under the second state of the high-power water-cooling current transformer that Fig. 4 provides for the utility model embodiment;
The front view of the high-power water-cooling current transformer that Fig. 5 provides for another embodiment of the utility model;
The front view of the high-power water-cooling current transformer that Fig. 6 provides for the another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of high-power water-cooling current transformer, to solve the existing problem that the converter device structure is not compact, wiring is complicated, installation and maintenance is inconvenient.
With reference to Fig. 1 or 2, the high-power water-cooling current transformer that the utility model embodiment provides comprises a cuboid cabinet, is provided with control cabinet for power distribution 1, rectifier cabinet 2 and inverter cabinet 3 along this cabinet length direction in this cabinet and forms.Fig. 1,2 show rectifier cabinet 2 be positioned in the middle of, the structure when control cabinet for power distribution 1 and inverter cabinet 3 are positioned at both sides, along the circuit trend each cabinet is set like this, be convenient to wiring; In the practical application, also control cabinet for power distribution 1 or inverter cabinet 3 can be placed the centre position.
Realize electrical connection by copper bar and cable between control cabinet for power distribution 1, rectifier cabinet 2 and inverter cabinet 3 threes' the Circuits System.
Control cabinet for power distribution 1 is divided into front cavity and rear chamber two parts, is provided with control system 4 in the front cavity, is provided with distribution system 5 in the rear chamber.
By above-mentioned high-power water-cooling converter structure as can be known, the utility model embodiment is function-differentiated and be combined as the three functions cabinet with all parts of current transformer, namely be used for distribution control control cabinet for power distribution, be used for the rectifier cabinet of rectification and be used for the inverter cabinet of inversion.Realize electrical connection by copper bar and cable between the three functions cabinet, simple and compact for structure, wiring understands.And the control system in the control cabinet for power distribution is positioned at the cabinet front portion, both has been convenient to the debugging of complete machine signal and cable investigation, is beneficial to again the installation and maintenance to current transformer.Therefore, the utility model has solved the problem that existing converter device structure is not compact, wiring is complicated, installation and maintenance is inconvenient.
Referring to Fig. 3 ~ 4, the high-power water-cooling current transformer that another embodiment of the utility model provides also comprises a cuboid cabinet, is provided with control cabinet for power distribution 1, rectifier cabinet 2 and inverter cabinet 3 along this cabinet length direction in this cabinet and forms.Realize electrical connection by copper bar and cable between control cabinet for power distribution 1, rectifier cabinet 2 and inverter cabinet 3 threes' the Circuits System.
Control cabinet for power distribution 1 is divided into front cavity and rear chamber two parts, is provided with control system 4 in the front cavity, is provided with distribution system 5 in the rear chamber.
Rectifier cabinet 2 and inverter cabinet 3 form by three cavitys in upper, middle and lower.
The upper cavity of rectifier cabinet 2 comprises three single-phase power modules 8 vertically placing along the cabinet length direction, is provided with the air channel in the single-phase power module 8; The air inlet in this air channel is positioned at the top of single-phase power module 8, and the air outlet in air channel is positioned at the bottom of single-phase power module 8.The air outlet place of each single-phase power module 8 is equipped with the middle cavity that 9,3 radiator fans 9 of radiator fan have formed rectifier cabinet 2.The lower chamber of rectifier cabinet 2 comprises wiring system 10 and pusher side reactor 11, lays respectively at front portion, the rear portion of the lower chamber of rectifier cabinet 2.Wherein, the three-phase of pusher side reactor 11 is realized electrical connection with three single-phase power modules 8 by copper bar respectively.Similar with control system 4, wiring system 10 also can be designed to " rotary door structure ", and as shown in Figure 3, when current transformer was in the first state, wiring system 10 was positioned at rectifier cabinet 2 lower chambers foremost, is convenient to wiring and cable investigation; As shown in Figure 4, when current transformer was in the second state (being that wiring system 10 is opened), the pusher side reactor 11 that is positioned at the rear portion can expose.
The upper cavity of inverter cabinet 3 comprises three single-phase power modules 8 ' vertically placing along the cabinet length direction, is provided with the air channel in the single-phase power module 8; The air inlet in this air channel is positioned at the top of single-phase power module 8 ', and the air outlet in air channel is positioned at the bottom of single-phase power module 8 '.The air outlet place of each single-phase power module 8 ' is equipped with the middle cavity that 9 ', 3 radiator fans 9 ' of radiator fan have formed inverter cabinet 3.The lower chamber of inverter cabinet 3 comprises net side the first reactor 12 and net side the second reactor 13 that arranges along the cabinet length direction.Wherein, between net side the first reactor 12 and net side the second reactor 13, realize electrical connection by copper bar between the three-phase of net side the second reactor 13 and three single-phase power modules 8 '.
In above-described embodiment, the middle part of rectifier cabinet 2 and inverter cabinet 3 is equipped with radiator fan, superposed single-phase power module vertically place and in establish the air channel, so that rectifier cabinet 2 and inverter cabinet 3 interior overall air channels are unobstructed, realize the heat exchange of (being rectifier cabinet 2 and inverter cabinet 3 inside) in the totally-enclosed environment, improve heat dispersion.In addition, it seems along the cabinet length direction that top is the single-phase power module, the bottom is pusher side reactor 11, net side the first reactor 12 and net side the second reactor 13, so that smoothness simple in structure, the copper bar cabling understands that neatly stray inductance is little.It is minimum that three reactor centers of gravity are down to, and reduced the impact of reactor vibrations on the operation of current transformer complete machine.
With reference to Fig. 5, in other embodiment of the present utility model, the described current transformer of above-mentioned all embodiment all can arrange water inlet manifold 6 and outfall sewer 7, and rectifier cabinet 2 and inverter cabinet 3 adjacent settings and inside are equipped with the water flowing branch road.Water inlet manifold 6 is positioned at the bottom of rectifier cabinet 2 and inverter cabinet 3, and the water side of water inlet manifold 6 is connected by the water inlet end of flexible pipe with each water flowing branch road.Outfall sewer 7 is positioned at the top of rectifier cabinet 2 and inverter cabinet 3, and the water inlet end of outfall sewer 7 is connected by the water side of flexible pipe with each water flowing branch road.The water side of the water inlet end of water inlet manifold 6 and outfall sewer 7 is positioned at the same side of cabinet, is convenient to install external water passage circulation system.When control cabinet for power distribution 1 was positioned at the leftmost side of cabinet, the water side of the water inlet end of water inlet manifold 6 and outfall sewer 7 all was positioned at the right flank (as shown in Figure 5) of cabinet; When otherwise control cabinet for power distribution 1 was positioned at the rightmost side of cabinet, the water side of the water inlet end of water inlet manifold 6 and outfall sewer 7 then all was positioned at the left surface of cabinet.
Said structure is so that the cooling water bottom in and top out, hot-fluid upwards so that heat exchange is more abundant, cooling effectiveness is higher.The adjacent setting of rectifier cabinet and inverter cabinet, water inlet manifold, outfall sewer and each water flowing branch road have shortened the length of water pipe all without control cabinet for power distribution, have reduced cost, for pusher side and net side have been reserved enough spaces, also reduced the impact of wet environment on power distribution control system simultaneously.
In addition, as shown in Figure 6, among above-mentioned all embodiment, be provided with slinging beam 17 on the upper plate 14 of cuboid cabinet, be convenient to current transformer is carried out complete machine lifting, mobile; Be equipped with the cable manhole appendix on upper plate 14 and the lower shoe 15, this cable manhole appendix is positioned at control cabinet for power distribution 1 one sides.Cable manhole appendix place is equipped with waterproof terminal 16, both can be waterproof and dampproof, can prevent again the biological destructions to control cabinet for power distribution 1, rectifier cabinet 2 and inverter cabinet 3 cables such as rat snake, and can also avoid the cat head engine oil leakage that current transformer is polluted.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a high-power water-cooling current transformer is characterized in that, comprises the cuboid cabinet, is provided with control cabinet for power distribution (1), rectifier cabinet (2) and inverter cabinet (3) in the described cabinet; Realize electrical connection by copper bar and cable between described control cabinet for power distribution (1), rectifier cabinet (2) and inverter cabinet (3) three's the Circuits System;
Described control cabinet for power distribution (1) comprises front cavity and rear chamber, is provided with control system (4) in the described front cavity, is provided with distribution system (5) in the described rear chamber.
2. current transformer according to claim 1 is characterized in that, the left surface of described control system (4) or right flank are provided with the rotating parts that described control system (4) is rotated in horizontal plane.
3. current transformer according to claim 1 is characterized in that, described distribution system (5) comprises pusher side contactor (18) and the net side E type switch (19) that sets gradually from top to bottom.
4. current transformer according to claim 1 is characterized in that, described rectifier cabinet (2) comprises upper cavity, middle cavity and lower chamber;
Described upper cavity comprises three single-phase power modules (8) of vertically placing along described cabinet length direction, is provided with the air channel in the described single-phase power module (8); The air inlet in described air channel is positioned at the top of described single-phase power module (8), and the air outlet in described air channel is positioned at the bottom of described single-phase power module (8);
Described middle cavity comprises three radiator fans (9), and is corresponding one by one with three single-phase power modules (8), and described radiator fan (9) is arranged at the air outlet place of described single-phase power module (8);
Described lower chamber comprises wiring system (10) and the pusher side reactor (11) that sets gradually from front to back; The three-phase of described pusher side reactor (11) is realized electrical connection with three single-phase power modules (8) by copper bar respectively.
5. current transformer according to claim 1 is characterized in that, described inverter cabinet (3) comprises upper cavity, middle cavity and lower chamber;
Described upper cavity comprises three single-phase power modules (8 ') of vertically placing along described cabinet length direction, is provided with the air channel in the described single-phase power module (8 '); The air inlet in described air channel is positioned at the top of described single-phase power module (8 '), and the air outlet in described air channel is positioned at the bottom of described single-phase power module (8 ');
Described middle cavity comprises three radiator fans (9 '), and is corresponding one by one with three single-phase power modules (8 '), and described radiator fan (9 ') is arranged at the air outlet place of described single-phase power module (8 ');
Described lower chamber comprises net side the first reactor (12) and net side the second reactor (13) that arranges along described cabinet length direction; Between described net side the first reactor (12) and net side the second reactor (13), realize electrical connection by copper bar between the three-phase of net side the second reactor (13) and three the single-phase power modules (8 ').
6. each described current transformer is characterized in that according to claim 1 ~ 5, described rectifier cabinet (2) and the adjacent setting of inverter cabinet (3), and inside is equipped with the water flowing branch road; Described current transformer also comprises water inlet manifold (6) and outfall sewer (7);
Described water inlet manifold (6) is positioned at the bottom of described rectifier cabinet (2) and inverter cabinet (3), and the water side of described water inlet manifold (6) is connected by the water inlet end of flexible pipe with described water flowing branch road;
Described outfall sewer (7) is positioned at the top of described rectifier cabinet (2) and inverter cabinet (3), and the water inlet end of described outfall sewer (7) is connected by the water side of flexible pipe with described water flowing branch road;
The water side of the water inlet end of described water inlet manifold (6) and described outfall sewer (7) is positioned at the homonymy of described cabinet.
7. each described current transformer is characterized in that according to claim 1 ~ 5, is provided with slinging beam (17) on the upper plate of described cabinet; Be equipped with the cable manhole appendix on the upper plate of described cabinet and the lower shoe, described cable manhole appendix is positioned at described control cabinet for power distribution (1) one side; Described cable manhole appendix place is equipped with waterproof terminal (16).
Priority Applications (1)
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CN201220488079.3U CN202872614U (en) | 2012-09-21 | 2012-09-21 | High-power water cooling current transformer |
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CN201220488079.3U CN202872614U (en) | 2012-09-21 | 2012-09-21 | High-power water cooling current transformer |
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CN201220488079.3U Expired - Lifetime CN202872614U (en) | 2012-09-21 | 2012-09-21 | High-power water cooling current transformer |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106374355A (en) * | 2016-10-31 | 2017-02-01 | 广西电网有限责任公司电力科学研究院 | High-voltage rectifier module for modular power distribution network power electronic transformer |
CN106487242A (en) * | 2016-10-31 | 2017-03-08 | 广西电网有限责任公司电力科学研究院 | A kind of modularity power distribution network electric power electric transformer |
CN106487255A (en) * | 2016-11-04 | 2017-03-08 | 中车株洲电力机车研究所有限公司 | Current transformer |
CN106655817A (en) * | 2016-10-31 | 2017-05-10 | 广西电网有限责任公司电力科学研究院 | Intermediate isolated rectifier module of modular distribution network power electronic transformer |
CN110311537A (en) * | 2018-03-21 | 2019-10-08 | 中车株洲电力机车研究所有限公司 | Power cabinet and current transformer |
CN111356327A (en) * | 2018-12-21 | 2020-06-30 | 株洲中车时代电气股份有限公司 | Current transformer |
CN112803466A (en) * | 2021-03-19 | 2021-05-14 | 阳光电源股份有限公司 | Wind-storage integrated converter, converter and multi-energy complementary energy system |
-
2012
- 2012-09-21 CN CN201220488079.3U patent/CN202872614U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106374355A (en) * | 2016-10-31 | 2017-02-01 | 广西电网有限责任公司电力科学研究院 | High-voltage rectifier module for modular power distribution network power electronic transformer |
CN106487242A (en) * | 2016-10-31 | 2017-03-08 | 广西电网有限责任公司电力科学研究院 | A kind of modularity power distribution network electric power electric transformer |
CN106655817A (en) * | 2016-10-31 | 2017-05-10 | 广西电网有限责任公司电力科学研究院 | Intermediate isolated rectifier module of modular distribution network power electronic transformer |
CN106487255A (en) * | 2016-11-04 | 2017-03-08 | 中车株洲电力机车研究所有限公司 | Current transformer |
CN110311537A (en) * | 2018-03-21 | 2019-10-08 | 中车株洲电力机车研究所有限公司 | Power cabinet and current transformer |
CN111356327A (en) * | 2018-12-21 | 2020-06-30 | 株洲中车时代电气股份有限公司 | Current transformer |
CN111356327B (en) * | 2018-12-21 | 2021-07-27 | 株洲中车时代电气股份有限公司 | Current transformer |
CN112803466A (en) * | 2021-03-19 | 2021-05-14 | 阳光电源股份有限公司 | Wind-storage integrated converter, converter and multi-energy complementary energy system |
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