CN202395663U - Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating - Google Patents
Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating Download PDFInfo
- Publication number
- CN202395663U CN202395663U CN2011205517868U CN201120551786U CN202395663U CN 202395663 U CN202395663 U CN 202395663U CN 2011205517868 U CN2011205517868 U CN 2011205517868U CN 201120551786 U CN201120551786 U CN 201120551786U CN 202395663 U CN202395663 U CN 202395663U
- Authority
- CN
- China
- Prior art keywords
- water
- cooling heat
- inverter
- super
- fixed
- 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 - Lifetime
Links
Images
Abstract
The utility model relates to a super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating, and belongs to the technical field of electric automation devices. The inverter comprises a chassis shell, a water-cooling heat radiator, IGBTs (insulated gate bipolar transistors), a direct-current capacitor group, an alternating-current wiring bar, a laminated busbar and the like; the water-cooling heat radiator is fixed at the upper part of the interior of a shell; one or more direct-current capacitor/capacitors is/are fixed on the bottom of the shell; and four IGBTs fixed on the water-cooling heat radiator form an inverter of a super-high-capacity H-bridge inverter main circuit structure through the laminated busbar. Under the same power level, the super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating provided by the utility model has the advantages of good heat radiation effect, compact and reasonable structure, small overall volume, small loop distribution inductance, convenience in installation and maintenance, safety and reliability in use, and the like.
Description
Technical field
The utility model relates to a kind of single-phase bridge type inverter (hereinafter to be referred as the H bridge inverter) of employing water-cooling of high-capacity; This H bridge inverter is mainly used in and constitutes high-capacity high-voltage chain type static reacance generator; Adopt the mode of water-cooling, belong to the electric automatization equipment technical field.
Background technology
Stillness wattless occurrence apparatus (hereinafter to be referred as SVG) is a kind of novel dynamic reactive compensation device based on voltage source converter; Its performance is superior to traditional thyristor switchable capacitor (being called for short TSC), SVC compensation equipments such as (being called for short SVC); Can also realize active harmonics simultaneously, be the developing direction of high-voltage large-capacity dynamic reactive compensator from now on.
The H bridge inverter is the elementary cell of high-voltage chain type SVG power circuit; Every by after a plurality of H bridge inverter series connection; Constitute the complete power circuit of high-voltage chain type SVG; It is a critical piece of realizing dynamic passive compensation, also is the critical piece of many factors such as decision high-voltage large-capacity SVG equipment energy characteristic, volume.The SVG unit of non-high-capacity is not because running current is very big, and its inverter power unit often all is directly to use single insulated gate bipolar transistor (hereinafter to be referred as IGBT) module to get final product, also can be very simple on the structure.And the situation of high-capacity SVG has just differed widely.Inverter is because a plurality of IGBT connect, and structure relative complex, volume are big, and installation and maintenance are inconvenient; Its running current is big especially, and busbar stray electrical sensibility reciprocal and corresponding circuit inductance are big, and the peak current in the actual motion is higher, to the safety in operation of IGBT with and the control circuit influence bigger.
Summary of the invention
The purpose of the utility model is the single-phase bridge type inverter that proposes a kind of employing water-cooling of high-capacity, changes the structure of existing inverter, to improve radiating effect; At utmost reduce loop inductance; Simplified structure makes its installation and maintenance more convenient, moves safer; Dwindle the inverter size to greatest extent, make a whole set of floor space of a whole set of high-capacity high-voltage chain type static reacance generator device littler.
The single-phase bridge type inverter of the employing water-cooling of the high-capacity that the utility model proposes comprises cabinet housing, direct current capacitor group, auxiliary transverse slat, water-filled radiator, four insulated gate bipolar transistors, interchange line bank and stack bus bars installed; Described direct current capacitor group places the cabinet inner bottom part; Described cabinet housing is provided with the installation straight beam; Described auxiliary installation transverse slat is fixed on to be installed on the straight beam; Described water-filled radiator is fixed on auxiliary the installation on the transverse slat; Described four insulated gate bipolar transistors place on the water-filled radiator, and described stack bus bar places the side in the casing, stack bus bar respectively with four insulated gate bipolar transistors and the conducting of direct current capacitor group; Described interchange line bank is fixed on the cabinet housing, exchanges the end and the stack bus bar conducting of line bank.
The single-phase bridge type inverter of the employing water-cooling of the high-capacity that the utility model proposes, its advantage is: the compact conformation of main circuit is reasonable, good heat dissipation effect; Can be under the complete H bridge inverter main circuit that 4 IGBT form; Creating conditions, it is little to reduce the stray electrical sensibility reciprocal and the whole circuit distributing inductance that connect busbar, ensures the safe operation of IGBT, also has installation and easy to maintenance in addition; The advantage safe and reliable, that volume is less.Because the H bridge inverter quantity in a whole set of high-capacity high-voltage chain type static reacance generator device is more; Therefore; The compactness of H bridge inverter structure can make the floor space of package unit significantly reduce; The convenient well frame of stability of forming also is convenient to the organizational standard production in enormous quantities of manufacturing department, helps improving the quality of products.
Description of drawings
Fig. 1 is the structural representation of single-phase bridge type inverter of the employing water-cooling of the high-capacity that proposes of the utility model.
Fig. 2 is that the F of Fig. 1 is to view.
Fig. 3 is the H-H cutaway view of Fig. 1.
Fig. 4 is the stereogram of the inverter of the utility model proposition.
Fig. 5 is the main circuit diagram of H bridge inverter shown in Figure 1.
Among Fig. 1-Fig. 3: the 1st, the cabinet housing, the 2nd, the direct current capacitor group, the 3rd, the auxiliary transverse slat of installing, the 4th, water-filled radiator, the 5th, insulated gate bipolar transistor, the 6th, exchange line bank, the 7th, stack bus bar, the 8th, straight beam is installed.
Embodiment
The single-phase bridge type inverter of the employing water-cooling of the high-capacity that the utility model proposes; Its structure such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4 comprise cabinet housing 1, direct current capacitor group 2, auxiliary transverse slat 3, water-filled radiator 4, four insulated gate bipolar transistors 5 are installed, exchange line bank 6 and stack bus bar 7 etc.Direct current capacitor group 2 places the bottom in the cabinet.Cabinet housing 1 is provided with installs straight beam 8, and the auxiliary transverse slat 3 of installing is fixed on the installation straight beam 8, and water-filled radiator 4 is fixed on auxiliary the installation on the transverse slat 3.Four insulated gate bipolar transistors (hereinafter to be referred as IGBT) 5 place on the water-filled radiator 4.Stack bus bar 7 places the side in the casing, and is as shown in fig. 1.Stack bus bar 7 respectively with four insulated gate bipolar transistors 5 and 2 conductings of direct current capacitor group.Exchange line bank 6 and be fixed on the cabinet housing 1, exchange the end and stack bus bar 7 conductings of line bank 6.
The main circuit of the high-capacity H bridge inverter that the utility model proposes, its structure is as shown in Figure 5, is a complete H bridge inverter main circuit of being made up of 4 IGBT, and direct voltage is reverse into approximate alternating voltage output.The bottom of H bridge inverter is fixed with the direct current capacitor group, is used to store the direct current from IGBT.4 IGBT module arrangement place the top of dc capacitor (group) on water (liquid) cold heat sink, connect direct current capacitor (group) and 4 IGBT through folded row (group).Such structural configuration is convenient to design the minimum stack bus bar of inductance value and is connected above-mentioned IGBT busbar and dc capacitor.
The H bridge inverter that the utility model proposes is arranged compactness, can be under the complete H bridge inverter main circuit that 4 IGBT form; Create conditions and reduce the stray electrical sensibility reciprocal that connects busbar; Ensure the safe operation of IGBT, also have installation and easy to maintenance, the advantage that volume is less in addition.Because the H bridge inverter quantity in the package unit of SVG is more; Therefore; The compactness of H bridge inverter structure can make the floor space of package unit significantly reduce; The convenient well frame of stability of forming also is convenient to the organizational standard production in enormous quantities of manufacturing department, helps improving the quality of products.
The utility model is particularly suitable for the high voltage static reactive-load compensator of the above big electric current of 6KV, is applicable to the idle harmonic improvement of all types of user dynamic compensation.
The above is merely the preferred embodiment of the utility model, and the protection range of the utility model is not limited thereto.Any protection range that all belongs to the utility model based on the equivalent transformation of the utility model technical scheme.
Claims (1)
1. the single-phase bridge type inverter of the employing water-cooling of a high-capacity is characterized in that this inverter comprises cabinet housing, direct current capacitor group, auxiliary transverse slat, water-filled radiator, four insulated gate bipolar transistors, interchange line bank and stack bus bars installed; Described direct current capacitor group places the cabinet inner bottom part; Described cabinet housing is provided with the installation straight beam; Described auxiliary installation transverse slat is fixed on to be installed on the straight beam; Described water-filled radiator is fixed on auxiliary the installation on the transverse slat; Described four insulated gate bipolar transistors place on the water-filled radiator, and described stack bus bar places the side in the casing, stack bus bar respectively with four insulated gate bipolar transistors and the conducting of direct current capacitor group; Described interchange line bank is fixed on the cabinet housing, exchanges the end and the stack bus bar conducting of line bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205517868U CN202395663U (en) | 2011-12-26 | 2011-12-26 | Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205517868U CN202395663U (en) | 2011-12-26 | 2011-12-26 | Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395663U true CN202395663U (en) | 2012-08-22 |
Family
ID=46670562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205517868U Expired - Lifetime CN202395663U (en) | 2011-12-26 | 2011-12-26 | Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036400A (en) * | 2012-12-09 | 2013-04-10 | 中国船舶重工集团公司第七一二研究所 | Water-cooling power module of medium-voltage high-power frequency changer |
| 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 |
| CN109638854A (en) * | 2019-01-31 | 2019-04-16 | 广东安朴电力技术有限公司 | A kind of compact water-cooling SVG power modules |
-
2011
- 2011-12-26 CN CN2011205517868U patent/CN202395663U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036400A (en) * | 2012-12-09 | 2013-04-10 | 中国船舶重工集团公司第七一二研究所 | Water-cooling power module of medium-voltage high-power frequency changer |
| CN103036400B (en) * | 2012-12-09 | 2015-04-29 | 中国船舶重工集团公司第七一二研究所 | Water-cooling power module of medium-voltage high-power frequency changer |
| 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 |
| CN109638854A (en) * | 2019-01-31 | 2019-04-16 | 广东安朴电力技术有限公司 | A kind of compact water-cooling SVG power modules |
| CN109638854B (en) * | 2019-01-31 | 2023-11-03 | 广东安朴电力技术有限公司 | Compact water-cooling SVG power module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9634573B2 (en) | Power converter including two converter circuit modules sharing one DC capacitor module | |
| CN103036452B (en) | Submodule unit of voltage source transverter based on full control components | |
| CN103401434B (en) | A kind of power unit of large-power current transformer | |
| CN102097941B (en) | Dual PWM (pulse width modulation) integrated gate commutated thyristor three-level power cabinet | |
| CN201418024Y (en) | Half-bridge power module and back to back type current transformer constituted by the half-bridge power module | |
| CN106026693A (en) | High-integration converter module | |
| CN203883667U (en) | Thyristor self-cooling power module | |
| CN104201866B (en) | Insulated gate bipolar transistor three-level power cabinet | |
| CN105355611A (en) | High-capacity water-cooling power unit | |
| CN202395663U (en) | Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating | |
| CN202997950U (en) | Single-phase bridge type inverter based on water cooling | |
| CN103178721B (en) | A kind of high-capacity five-level converter power cabinet | |
| CN203339972U (en) | Sliding-rail type IGBT water-cooling power module | |
| CN203104303U (en) | Large-power photovoltaic inverter | |
| CN103401437A (en) | IGBT converter chopping module | |
| CN103166478B (en) | A kind of high-tension integral gate change transistor five level power cabinet | |
| CN202142867U (en) | Power unit structure | |
| Al Mamun et al. | Performance evaluation of a large capacity 3-level IEGT inverter | |
| CN202997581U (en) | Power module of high-voltage chain type static var generator | |
| CN103051207B (en) | A kind of Large Copacity current transformer water cooling module H bridge construction based on IEGT | |
| CN102075067B (en) | Module power unit of wind power converter | |
| CN203352420U (en) | A current transformer power module structure | |
| CN210608893U (en) | Power module, converter power module and wind power generation system | |
| CN203554325U (en) | Inverter module with low line inductance | |
| CN203313041U (en) | Flexible direct-current power transmission power module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |