CN202340177U - Power module design for wind power converter - Google Patents

Power module design for wind power converter Download PDF

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Publication number
CN202340177U
CN202340177U CN201120456546XU CN201120456546U CN202340177U CN 202340177 U CN202340177 U CN 202340177U CN 201120456546X U CN201120456546X U CN 201120456546XU CN 201120456546 U CN201120456546 U CN 201120456546U CN 202340177 U CN202340177 U CN 202340177U
Authority
CN
China
Prior art keywords
busbar
level
igbt
power module
capacitor
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.)
Expired - Fee Related
Application number
CN201120456546XU
Other languages
Chinese (zh)
Inventor
谭永东
李迪艺
周立专
孙文艺
严长辉
黎林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Mingyang Longyuan Power Electronics Co Ltd
Original Assignee
Guangdong Mingyang Longyuan Power Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Mingyang Longyuan Power Electronics Co Ltd filed Critical Guangdong Mingyang Longyuan Power Electronics Co Ltd
Priority to CN201120456546XU priority Critical patent/CN202340177U/en
Application granted granted Critical
Publication of CN202340177U publication Critical patent/CN202340177U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a power module design for a wind power converter. The power module design is characterized by comprising a power unit device IGBT (Insulated Gate Bipolar Translator) and a heat radiating assembly located below the power unit device IGBT, wherein the power unit device IGBT comprises a circuit board and a capacitor assembly electrically connected with the power unit device IGBT; the capacitor assembly comprises an upper fixing plate and a lower fixing plate; a capacitor group is fixed between the upper fixing plate and the lower fixing plate; the upper fixing plate is provided with a laminated busbar which communicates the capacitor group with the circuit board; and the laminated busbar comprises an upper busbar and a lower busbar. The power module design for the wind power converter, disclosed by the utility model, has the advantages of simple and compact structure, convenience in installation, reduced wire, decreased cost and good heat dissipation effect; and generation of peak voltage and stray inductance is avoided as positive and negative laminated currents of the busbar are cancelled out mutually.

Description

A kind of power module design that is used for wind electric converter
[technical field]
The utility model relates to a kind of power module design that is used for wind electric converter
[background technology]
Generally all be provided with power model in the existing wind electric converter, there is following defective in existing power model: complex structure, take up room, and lead is many, increases cost, installation and maintenance convenience.
[utility model content]
The purpose of the utility model is to overcome the weak point of prior art, provides a kind of simple in structure, compact, easy for installation, reduces lead, the power module design that is used for wind electric converter that reduces cost.
The purpose of the utility model is achieved in that
A kind of power module design that is used for wind electric converter; It is characterized in that it comprises power cell device IGBT and the radiating subassembly that is positioned at power cell device IGBT below; Power cell device IGBT comprises circuit board and the capacitance component that is electrically connected with power cell device IGBT; Described capacitance component comprises upper mounted plate and bottom plate; Be fixed with capacitance group between upper mounted plate and the bottom plate, described upper mounted plate is provided with the stack bus bar that is communicated with capacitance group and circuit board, and described stack bus bar comprises busbar and following busbar.
Aforesaid a kind of power module design that is used for wind electric converter; It is characterized in that described busbar down comprises three horizontal busbars, three horizontal busbars are respectively the middle busbar in middle level, the right busbar of middle level left side busbar and middle level, wherein go up busbar as positive pole; A left side, middle level busbar is as negative pole; Middle busbar is the short circuit busbar, separates with insulating paper between the positive and negative and short circuit busbar, and last busbar is that direct pressing gets up to be electrically connected with the right side, middle level busbar.
Aforesaid a kind of power module design that is used for wind electric converter is characterized in that described capacitance group is made up of a plurality of dc capacitors, and described a plurality of dc capacitors are distributed as two row, four row, circuit structure be two strings four also.
Aforesaid a kind of power module design that is used for wind electric converter; It is characterized in that the right busbar in described middle level is connected with the positive electrical of right row's dc capacitor; The right side of busbar is connected with the negative electricity of right row's dc capacitor in the middle of the middle level; The left side of busbar is connected with the positive electrical of the dc capacitor of left bank in the middle of the middle level; A left side, middle level busbar is connected with the negative electricity of the dc capacitor of left bank, and the right busbar in middle level is electrically connected with last busbar, and a left side, middle level busbar is connected with power cell device IGBT through absorbing electric capacity with last busbar.
Aforesaid a kind of power module design that is used for wind electric converter is characterized in that the right busbar in described middle level is a bar blocks.
Aforesaid a kind of power module design that is used for wind electric converter is characterized in that middle busbar in described middle level and a left side, middle level busbar are a rectangular blocks.
Aforesaid a kind of power module design that is used for wind electric converter is characterized in that described upward busbar is a square block.
The advantage of the utility model has: simple in structure, compact, easy for installation, reduce lead, and reduce cost, good heat dissipation effect, the positive and negative superposed current of busbar is cancelled each other, and avoids causing the generation of peak voltage and stray inductance.
[description of drawings]
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the stereogram of capacitance component;
Fig. 3 is the blast structural representation of Fig. 2;
Fig. 4 is the blast structural representation of Fig. 2.
[embodiment]
A kind of power module design that is used for wind electric converter; It is characterized in that it comprises power cell device IGBT 1 and the radiating subassembly 2 that is positioned at power cell device IGBT 1 below; Power cell device IGBT 1 comprises circuit board 11 and the capacitance component 3 that is electrically connected with power cell device IGBT 1; Described capacitance component 3 comprises upper mounted plate 31 and bottom plate 32, is fixed with capacitance group 33 between upper mounted plate 31 and the bottom plate 32, and described upper mounted plate 31 is provided with stack bus bar; Described stack bus bar comprises busbar 34 and following busbar 35; Described upward busbar 34 is a square block, and described busbar 35 down comprises three horizontal busbars, and three horizontal busbars are respectively the middle busbar 351 in middle level, the right busbar 353 of middle level left side busbar 352 and middle level.The right busbar 353 in described middle level is a bar blocks.Busbar 351 is a rectangular blocks with a left side, middle level busbar 352 in the middle of the described middle level.
IGBT is the abbreviation of insulated gate bipolar transistor; Power cell device IGBT just is meant IGBT module, the compound full-control type voltage driven type power semiconductor of being made up of BJT (double pole triode) and MOS (insulating gate type field effect tube).
Capacitance group 33 is made up of a plurality of dc capacitors 331, and described a plurality of dc capacitors are distributed as two row, four row, circuit structure be two strings four also.
The right busbar 353 in middle level is connected with the positive electrical of right row's dc capacitor; The right side of busbar 351 is connected with the negative electricity of right row's dc capacitor in the middle of the middle level; The left side of busbar 531 is connected with the positive electrical of the dc capacitor of left bank in the middle of the middle level; A left side, middle level busbar 352 is connected with the negative electricity of the dc capacitor of left bank, and the right busbar 353 in middle level is electrically connected with last busbar 34, and a left side, middle level busbar is connected with power cell device IGBT 1 through absorbing electric capacity 4 with last busbar 34.

Claims (7)

1. power module design that is used for wind electric converter; It is characterized in that the radiating subassembly (2) that it comprises power cell device IGBT (1) and is positioned at power cell device IGBT (1) below; Power cell device IGBT (1) comprises circuit board (11) and the capacitance component (3) that is electrically connected with power cell device IGBT (1); Described capacitance component (3) comprises upper mounted plate (31) and bottom plate (32); Be fixed with capacitance group (33) between upper mounted plate (31) and the bottom plate (32), described upper mounted plate (31) is provided with the stack bus bar that is communicated with capacitance group (33) and circuit board (11), and described stack bus bar comprises busbar (34) and following busbar (35).
2. a kind of power module design that is used for wind electric converter according to claim 1; It is characterized in that described busbar (35) down comprises three horizontal busbars; Three horizontal busbars are respectively the middle busbar (351) in middle level, the right busbar (353) of middle level left side busbar (352) and middle level; Wherein go up busbar (34) as positive pole, middle level left side busbar (351) is as negative pole, and middle busbar (351) is the short circuit busbar; Separate with insulating paper between the positive and negative and short circuit busbar, last busbar (34) is that direct pressing gets up to be electrically connected with the right busbar in middle level (353).
3. a kind of power module design that is used for wind electric converter according to claim 2; It is characterized in that described capacitance group (33) is made up of a plurality of dc capacitors (331); Described a plurality of dc capacitor (331) is distributed as two row, four row, circuit structure be two strings four also.
4. a kind of power module design that is used for wind electric converter according to claim 3; It is characterized in that the right busbar in described middle level (353) is connected with the positive electrical of right row's dc capacitor; The right side of busbar (351) is connected with the negative electricity of right row's dc capacitor in the middle of the middle level; The left side of busbar (531) is connected with the positive electrical of the dc capacitor of left bank in the middle of the middle level; Middle level left side busbar (352) is connected with the negative electricity of the dc capacitor of left bank, and the right busbar in middle level (353) is electrically connected with last busbar (34), and a left side, middle level busbar is connected with power cell device IGBT (1) through absorbing electric capacity (4) with last busbar (34).
5. a kind of power module design that is used for wind electric converter according to claim 2 is characterized in that the right busbar in described middle level (353) is a bar blocks.
6. a kind of power module design that is used for wind electric converter according to claim 2 is characterized in that middle busbar (351) in described middle level and middle level left side busbar (352) are a rectangular blocks.
7. a kind of power module design that is used for wind electric converter according to claim 2 is characterized in that described upward busbar (34) is a square block.
CN201120456546XU 2011-11-17 2011-11-17 Power module design for wind power converter Expired - Fee Related CN202340177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120456546XU CN202340177U (en) 2011-11-17 2011-11-17 Power module design for wind power converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120456546XU CN202340177U (en) 2011-11-17 2011-11-17 Power module design for wind power converter

Publications (1)

Publication Number Publication Date
CN202340177U true CN202340177U (en) 2012-07-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120456546XU Expired - Fee Related CN202340177U (en) 2011-11-17 2011-11-17 Power module design for wind power converter

Country Status (1)

Country Link
CN (1) CN202340177U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102857080A (en) * 2012-09-21 2013-01-02 深圳市英威腾电气股份有限公司 Explosion-proof frequency converter core and explosion-proof frequency converter
CN103956885A (en) * 2014-04-24 2014-07-30 江苏大全箱变科技有限公司 Compact power unit of wind power converter
RU2546979C1 (en) * 2012-10-22 2015-04-10 Дельта Электроникс, Инк. Multi-layered bus for power converter and power converter
US10128625B2 (en) 2014-11-18 2018-11-13 General Electric Company Bus bar and power electronic device with current shaping terminal connector and method of making a terminal connector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102857080A (en) * 2012-09-21 2013-01-02 深圳市英威腾电气股份有限公司 Explosion-proof frequency converter core and explosion-proof frequency converter
CN102857080B (en) * 2012-09-21 2016-01-06 深圳市英威腾电气股份有限公司 Explosion-proof frequency converter movement and explosion-proof frequency converter
RU2546979C1 (en) * 2012-10-22 2015-04-10 Дельта Электроникс, Инк. Multi-layered bus for power converter and power converter
CN103956885A (en) * 2014-04-24 2014-07-30 江苏大全箱变科技有限公司 Compact power unit of wind power converter
US10128625B2 (en) 2014-11-18 2018-11-13 General Electric Company Bus bar and power electronic device with current shaping terminal connector and method of making a terminal connector

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120718

Termination date: 20151117