CN105490508A - High-voltage frequency converter power unit - Google Patents
High-voltage frequency converter power unit Download PDFInfo
- Publication number
- CN105490508A CN105490508A CN201610025735.9A CN201610025735A CN105490508A CN 105490508 A CN105490508 A CN 105490508A CN 201610025735 A CN201610025735 A CN 201610025735A CN 105490508 A CN105490508 A CN 105490508A
- Authority
- CN
- China
- Prior art keywords
- row
- electric capacity
- igbt
- support
- radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
A high-voltage frequency converter power unit relates to a power unit. An AC input bar (2) penetrates through a current transformer (1) and is connected with a diode (3). The diode (3) is connected with the upper part of a composite busbar (4). Two sides of the composite busbar (4) are respectively connected with one end of each of two DC bars (6). The lower part of the composite busbar (4) is connected with an insulated gate bipolar transistor (IGBT) (7). The IGBT (7) is provided with an IGBT absorbing capacitor (8). The lower part of the IGBT (7) is connected with an AC output bar (12). According to the high-voltage frequency converter power unit, through making each power device which is mounted on a heat radiator in converting three-phase AC power to two-phase AC power in prior art more compact, the high-voltage frequency converter has advantages of realizing effective heat radiation of each power device, obtaining more compact structure and smaller weight, and realizing reliable operation and more convenient maintenance.
Description
[technical field]
The present invention relates to a kind of power cell, particularly relate to a kind of high voltage transducer power unit
.
[background technology]
Along with developing rapidly of modern power electronics technology and Computer Control Technology, electric drive is started technological revolution, AC speed regulating replaces DC speed regulation, computer numerical control (CNC) replaces analogue enlargement becomes development trend, ac motor speed control by variable frequency is current saves energy, improve the technological process of production, improve the quality of products, and improve a kind of Main Means of running environment, ac motor speed control by variable frequency is with the speed governing of its excellence and startability, high efficiency, High Power Factor and power savings, plurality of advantages such as applied range and be known as one of the most rising mode of speed regulation both at home and abroad, in the prior art, the power cell of function opposite independent is the important component part of cascaded high-voltage frequency converter, also be the key component realizing high-voltage frequency conversion and speed-adjusting, it not only will consider heat dissipation ventilation, also to consider that whether structure is compact, whether layout is reasonable, whether installation and maintenance are convenient waits factors, current, high-power high voltage frequency converter is in heat dissipation design, general is all placed on a heat sink by all power devices, thus cause radiator volume very large, the weight of numerous power device can cause whole power cell abnormal heavy, inconvenience artificially changes maintenance.
[summary of the invention]
In order to overcome the deficiency in background technology, the present invention discloses a kind of high voltage transducer power unit, the compacter of each power device design is on a heat sink adhered to during by three-phase alternating current in prior art being transformed two-phase alternating current, make high voltage converter while realizing each power device efficiently radiates heat, structure becomes compacter, weight is lighter, achieve reliable, safeguard object more easily.
For achieving the above object, the present invention adopts following technical scheme:
A kind of high voltage transducer power unit, comprise composite bus bar, direct current is arranged, DC support electric capacity, direct current connects row and radiator, radiator base plate is provided with in the side of radiator, be provided with successively from top to bottom in the side of radiator base plate and exchange input row, current transformer, diode, IGBT with exchange export row, described interchange input row is connected with diode through after current transformer, described diode is connected with the top of composite bus bar, the both sides of described composite bus bar connect one end of two direct current rows respectively, the bottom of described composite bus bar connects IGBT, IGBT is provided with IGBT Absorption Capacitance, the bottom of described IGBT connects interchange and exports row, electric capacity fixed head is provided with at the opposite side of radiator, DC support electric capacity is respectively equipped with in the upper and lower of electric capacity fixed head, be respectively equipped with electric capacity in the outer end of two DC support electric capacity and support end plate, electric capacity support and connection plate is respectively equipped with at the abutting end of two DC support electric capacity, between two electric capacity support and connection plates, be interval with two direct currents connect row, described two direct currents connect the other end that row connects two direct current rows respectively.
Described high voltage transducer power unit, is also provided with drived control plate in the side of radiator base plate, between drived control plate and radiator base plate, be provided with some insulation columns, is respectively provided with a handle in the upper and lower, side of radiator base plate.
Described high voltage transducer power unit, is provided with transparent protective shield between two handles of drived control plate outside.
Owing to adopting technical scheme as above, the present invention has following beneficial effect:
High voltage transducer power unit of the present invention, the compacter of each power device design is on a heat sink adhered to during by three-phase alternating current in prior art being transformed two-phase alternating current, make high voltage converter while realizing each power device efficiently radiates heat, structure becomes compacter, weight is lighter, achieve reliable, safeguard object more easily; The invention solves conventional high-tension transducer power unit simply by each power device attachment on a heat sink, the drawbacks such as loosely organized, floor space is large, have the features such as easy to install, fail safe is high, energy-saving and cost-reducing.
[accompanying drawing explanation]
Fig. 1 is the perspective view that the present invention loads onto transparent protective shield;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of radiator base plate;
Fig. 4 is the structural representation of electric capacity fixed head;
In figure: 1, current transformer; 2, input row is exchanged; 3, diode; 4, composite bus bar; 5, transparent protective shield; 6, direct current row; 7, IGBT; 8, IGBT Absorption Capacitance; 9, drived control plate; 10, insulation column; 11, shake hands; 12, the row of output is exchanged; 13, electric capacity supports end plate; 14, DC support electric capacity; 15, electric capacity support and connection plate; 16, direct current connects row; 17, radiator; 18, electric capacity fixed head; 19, radiator base plate.
[embodiment]
Can explain the present invention in more detail by the following examples, disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, the present invention is not limited to the following examples.
Embodiment
High voltage transducer power unit by reference to the accompanying drawings described in 1 ~ 4, comprise composite bus bar 4, direct current row 6, DC support electric capacity 14, direct current connects row 16 and radiator 17, radiator base plate 19 is provided with in the side of radiator 17, be provided with successively from top to bottom in the side of radiator base plate 19 and exchange input row 2, current transformer 1, diode 3, IGBT7 exports row 12 with exchanging, described interchange input row 2 is connected with diode 3 through after current transformer 1, described diode 3 is connected with the top of composite bus bar 4, the both sides of described composite bus bar 4 connect one end of two direct current rows 6 respectively, the bottom of described composite bus bar 4 connects IGBT7, IGBT7 is provided with IGBT Absorption Capacitance 8, the bottom of described IGBT7 connects interchange and exports row 12, drived control plate 9 is also provided with in the side of radiator base plate 19, some insulation columns 10 are provided with between drived control plate 9 and radiator base plate 19, a handle 11 is respectively provided with in the upper and lower, side of radiator base plate 19, transparent protective shield 5 is provided with between two handles 11 of drived control plate 9 outside, electric capacity fixed head 18 is provided with at the opposite side of radiator 17, DC support electric capacity 14 is respectively equipped with in the upper and lower of electric capacity fixed head 18, be respectively equipped with electric capacity in the outer end of two DC support electric capacity 14 and support end plate 13, electric capacity support and connection plate 15 is respectively equipped with at the abutting end of two DC support electric capacity 14, between two electric capacity support and connection plates 15, be interval with two direct currents connect row 16, described two direct currents connect the other end that row 16 connects two direct current rows 6 respectively.
Implement high voltage transducer power unit of the present invention, in use, from exchanging input row 2, through playing, the current transformer 1 detecting AC input current effect is rear arrives diode 3 to the alternating current of three-phase, AC input current is rectified into direct current by the inner rectifier bridge of diode 3, direct current conveys electrical current to by composite bus bar 4 and direct current row 6 the DC support electric capacity 14 playing flat ripple effect, direct current arrives IGBT7 by composite bus bar 4, the alternating current that direct current is converted into two-phase by the inner half-bridge converter of IGBT7 exports by exchanging output row 12, serve the object of the alternating current alternating current of three-phase being converted into two-phase under rational layout.
Part not in the detailed description of the invention is prior art.
Claims (3)
1. a high voltage transducer power unit, it is characterized in that: comprise composite bus bar (4), direct current row (6), DC support electric capacity (14), direct current connects row (16) and radiator (17), radiator base plate (19) is provided with in the side of radiator (17), be provided with successively from top to bottom in the side of radiator base plate (19) and exchange input row (2), current transformer (1), diode (3), IGBT(7) with exchange export row (12), described interchange input row (2) is connected with diode (3) afterwards through current transformer (1), described diode (3) is connected with the top of composite bus bar (4), the both sides of described composite bus bar (4) connect one end of two direct currents row (6) respectively, the bottom of described composite bus bar (4) connects IGBT(7), at IGBT(7) on be provided with IGBT Absorption Capacitance (8), described IGBT(7) bottom connect exchange export row (12), electric capacity fixed head (18) is provided with at the opposite side of radiator (17), DC support electric capacity (14) is respectively equipped with in the upper and lower of electric capacity fixed head (18), be respectively equipped with electric capacity in the outer end of two DC support electric capacity (14) and support end plate (13), electric capacity support and connection plate (15) is respectively equipped with at the abutting end of two DC support electric capacity (14), between two electric capacity support and connection plates (15), be interval with two direct currents connect row (16), described two direct currents connect the other end that row (16) connects two direct currents row (6) respectively.
2. high voltage transducer power unit according to claim 1, it is characterized in that: be also provided with drived control plate (9) in the side of radiator base plate (19), between drived control plate (9) and radiator base plate (19), be provided with some insulation columns (10), be respectively provided with a handle (11) in the upper and lower, side of radiator base plate (19).
3. high voltage transducer power unit according to claim 2, is characterized in that: between two handles (11) that drived control plate (9) is outside, be provided with transparent protective shield (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610025735.9A CN105490508A (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
Applications Claiming Priority (1)
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CN201610025735.9A CN105490508A (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
Publications (1)
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CN105490508A true CN105490508A (en) | 2016-04-13 |
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Family Applications (1)
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CN201610025735.9A Pending CN105490508A (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018090772A1 (en) * | 2016-11-18 | 2018-05-24 | 比亚迪股份有限公司 | Load controller and electric vehicle having the load controller |
CN108233729A (en) * | 2016-12-09 | 2018-06-29 | 中车永济电机有限公司 | Auxiliary converter power cell |
CN110677057A (en) * | 2019-09-20 | 2020-01-10 | 深圳市默贝克驱动技术有限公司 | Structure of single-tube IGBT module frequency converter |
Citations (9)
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GB2312342B (en) * | 1996-04-18 | 2000-11-29 | Int Rectifier Corp | A power supply assembly |
CN201616766U (en) * | 2009-12-24 | 2010-10-27 | 艾默生网络能源有限公司 | Power module for high-pressure frequency converter |
CN201682406U (en) * | 2010-05-17 | 2010-12-22 | 深圳市禾望电气有限公司 | Three-dimensional IGBT power module |
CN202395665U (en) * | 2011-11-29 | 2012-08-22 | 辽宁荣信电气传动技术有限责任公司 | Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter |
CN202602523U (en) * | 2012-03-28 | 2012-12-12 | 艾默生网络能源有限公司 | A cabinet of a power unit and a power unit |
CN202798478U (en) * | 2012-07-25 | 2013-03-13 | 中冶赛迪电气技术有限公司 | High-voltage frequency-converter power unit based on film capacitor |
CN203632533U (en) * | 2013-12-12 | 2014-06-04 | 深圳市禾望电气有限公司 | A power unit module |
CN204258598U (en) * | 2014-12-15 | 2015-04-08 | 北京合力电气传动控制技术有限责任公司 | A kind of radiator structure of power cell and rack |
CN205544885U (en) * | 2016-01-15 | 2016-08-31 | 洛阳中重自动化工程有限责任公司 | Power unit of high pressure frequency converter |
-
2016
- 2016-01-15 CN CN201610025735.9A patent/CN105490508A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2312342B (en) * | 1996-04-18 | 2000-11-29 | Int Rectifier Corp | A power supply assembly |
CN201616766U (en) * | 2009-12-24 | 2010-10-27 | 艾默生网络能源有限公司 | Power module for high-pressure frequency converter |
CN201682406U (en) * | 2010-05-17 | 2010-12-22 | 深圳市禾望电气有限公司 | Three-dimensional IGBT power module |
CN202395665U (en) * | 2011-11-29 | 2012-08-22 | 辽宁荣信电气传动技术有限责任公司 | Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter |
CN202602523U (en) * | 2012-03-28 | 2012-12-12 | 艾默生网络能源有限公司 | A cabinet of a power unit and a power unit |
CN202798478U (en) * | 2012-07-25 | 2013-03-13 | 中冶赛迪电气技术有限公司 | High-voltage frequency-converter power unit based on film capacitor |
CN203632533U (en) * | 2013-12-12 | 2014-06-04 | 深圳市禾望电气有限公司 | A power unit module |
CN204258598U (en) * | 2014-12-15 | 2015-04-08 | 北京合力电气传动控制技术有限责任公司 | A kind of radiator structure of power cell and rack |
CN205544885U (en) * | 2016-01-15 | 2016-08-31 | 洛阳中重自动化工程有限责任公司 | Power unit of high pressure frequency converter |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018090772A1 (en) * | 2016-11-18 | 2018-05-24 | 比亚迪股份有限公司 | Load controller and electric vehicle having the load controller |
US10736242B2 (en) | 2016-11-18 | 2020-08-04 | Byd Company Limited | Load controller and electric vehicle having load controller |
CN108233729A (en) * | 2016-12-09 | 2018-06-29 | 中车永济电机有限公司 | Auxiliary converter power cell |
CN110677057A (en) * | 2019-09-20 | 2020-01-10 | 深圳市默贝克驱动技术有限公司 | Structure of single-tube IGBT module frequency converter |
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Application publication date: 20160413 |