CN101841227A - Capacitor laminating bus bar - Google Patents
Capacitor laminating bus bar Download PDFInfo
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- CN101841227A CN101841227A CN200910144952A CN200910144952A CN101841227A CN 101841227 A CN101841227 A CN 101841227A CN 200910144952 A CN200910144952 A CN 200910144952A CN 200910144952 A CN200910144952 A CN 200910144952A CN 101841227 A CN101841227 A CN 101841227A
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- bus
- bus bar
- power device
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Abstract
The invention provides a capacitor laminating bus bar which comprises capacitors C, resistors R, power devices T1-T6, an anode bus plate, a cathode bus plate, a middle bus plate, an insulating plate, an anode line inlet end, a cathode line inlet end, an anode power device connecting end and a cathode power device connecting end. After an anode (+) and a cathode (-) are connected into a direct current power supply, the capacitors on a direct current bus filter the input power supply to obtain a more stable direct current power supply; the power devices realize corresponding conversion on direct current according to command control; a bus is required to be provided with a smaller parasitic distribution type inductor during conversion; the invention reduces system noise, electromagnetic interference/radio-frequency interference and the quantity of parts, is convenient for installation and field maintenance and improves the reliability of the system, and the uniformly distributed capacitors are concise and attractive; and the capacitor laminating bus bar can be realized by laminating the three bus plates, mounting the capacitors on the laminating bus plate according to polarity and sequence and finally connecting a laminated bus and the power devices by the anode power device connecting end and the cathode power device connecting end.
Description
Technical field
The present invention relates to the power electronics and the communications field, the capacitor laminating bus bar in particularly being applied in the bus of high power contravariant device.
Background technology
The bus inductance coefficent height of high power contravariant device in being applied at present, structure is not compact, can not effectively utilize space and control system temperature, impedance and pressure drop are big, and due to voltage spikes is big to the infringement of components and parts, and the useful life of electronic component is short, system noise and electromagnetic interference/radio frequency interference are big, number of components is many, has increased the unsteadiness of system, and outward appearance is bad.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of capacitor laminating bus bar, the single or multiple lift strap is isolated with insulating material, make it mutually insulated, according to the parallel plate capacitor principle, can effectively reduce the distributed stray inductance of lead-in wire, make at the Ldi/dt end more, save installing space simultaneously.
Capacitor laminating bus bar provided by the invention comprises C electric capacity: the bus filter capacitor, determine by actual design by size and installation quantity, R resistance: be grading resistor, make the series capacitance dividing potential drop be all mutually busbar voltage half, the T1-T6 power device, quantity and model are determined by actual design, positive electrode bus plate: bus positive pole, anodal end of incoming cables, connect electric capacity, anodal end of incoming cables and anodal power device link, negative pole bus bar plate: bus negative pole, negative pole end of incoming cables, connect electric capacity, negative pole end of incoming cables and negative pole power device link, the intermediate bus bar plate: the capacitances in series node, connect electric capacity, make electric capacity constitute series connection, insulation board: insulation dielectric, make the positive electrode bus plate, mutual insulating between negative pole bus bar plate and the intermediate bus bar plate, anodal end of incoming cables: the anodal incoming end of bus, negative pole end of incoming cables: bus negative pole incoming end, anodal power device link: the anodal and power device link of bus, negative pole power device link: bus negative pole and power device link.After "+" positive pole and "-" negative pole access DC power supply, the direct current bus bar appearance obtains DC power supply more stably to the input power filter, power device is realized direct current is carried out corresponding conversion by commands for controlling, requires bus that more little parasitic contribution formula inductance is arranged during conversion.In order to reduce to reduce system noise and electromagnetic interference/radio frequency interference, the convenient installation and on-site maintenance, reduce number of components, increased the reliability of system, equally distributed electric capacity, succinctly, attractive in appearance, triple bus-bar plate (by Fig. 2 order of exploding shown in the cleavage map) is stacked up, obtain design sketch shown in Figure 3, then electric capacity is installed on the stacked bus bar plate by polarity and order, by both positive and negative polarity power device link stacked bus and power device are coupled together at last, both can realize capacitor laminating bus bar.
Described positive electrode bus plate connects electric capacity, anodal end of incoming cables and anodal power device link;
Described negative pole bus bar plate connects electric capacity, negative pole end of incoming cables and negative pole power device link;
Described intermediate bus bar plate is the capacitances in series node, connects electric capacity;
Described insulation board design is between positive electrode bus plate, negative pole bus bar plate and intermediate bus bar plate;
Described electric capacity is by polarity and being set in sequence on the stacked bus bar plate;
Described both positive and negative polarity power device link connects stacked bus and power device.
Because adopted above technical scheme, the present invention has following beneficial effect: low inductance coefficent, compact conformation, effectively utilize space and energy control system temperature, minimum impedance, pressure drop reduce the infringement of due to voltage spikes to components and parts, prolong the useful life of (raising) electronic component, reduce system noise and electromagnetic interference/radio frequency interference, the convenient installation and on-site maintenance reduced number of components, increased the reliability of system, equally distributed electric capacity, succinct, attractive in appearance.
Description of drawings
Fig. 1 is a circuit diagram of the present invention;
Fig. 2 is a blast cleavage map of the present invention;
Fig. 3 is an installation design sketch of the present invention;
In the drawings: C-electric capacity, R-resistance, T1-T6-power device, (W, U) V-ac output voltage, 1-positive electrode bus plate, 2-negative pole bus bar plate, 3-intermediate bus bar plate, 4-insulation board, the anodal end of incoming cables of 5-, 6-negative pole end of incoming cables, the anodal power device link of 7-, 8-negative pole power device link
Embodiment
As shown in Figures 1 to 3, capacitor laminating bus bar provided by the invention is after "+" positive pole and "-" negative pole access DC power supply, direct current bus bar is held C the input power filter is obtained DC power supply more stably, power device TI-T6 realizes direct current is carried out corresponding conversion by commands for controlling, requires bus that more little parasitic contribution formula inductance is arranged during conversion.In order to reduce to reduce system noise and electromagnetic interference/radio frequency interference, the convenient installation and on-site maintenance, reduce number of components, increased the reliability of system, equally distributed electric capacity, succinctly, attractive in appearance, triple bus-bar plate (by Fig. 2 order of exploding shown in the cleavage map) is stacked up, obtain design sketch shown in Figure 3, then capacitor C is installed on the stacked bus bar plate by polarity and order, by both positive and negative polarity power device link 7 and 8 stacked bus and power device TI-T6 are coupled together at last, both can realize capacitor laminating bus bar.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (1)
1. capacitor laminating bus bar is characterized in that:
-wherein the positive electrode bus plate connects electric capacity, anodal end of incoming cables and anodal power device link;
-wherein the negative pole bus bar plate connects electric capacity, negative pole end of incoming cables and negative pole power device link;
-wherein the intermediate bus bar plate is the capacitances in series node, connects electric capacity;
-wherein insulation board designs between positive electrode bus plate, negative pole bus bar plate and intermediate bus bar plate;
-wherein electric capacity is by polarity and being set in sequence on the stacked bus bar plate;
-wherein both positive and negative polarity power device link connects stacked bus and power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910144952A CN101841227A (en) | 2009-09-15 | 2009-09-15 | Capacitor laminating bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910144952A CN101841227A (en) | 2009-09-15 | 2009-09-15 | Capacitor laminating bus bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101841227A true CN101841227A (en) | 2010-09-22 |
Family
ID=42744416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910144952A Pending CN101841227A (en) | 2009-09-15 | 2009-09-15 | Capacitor laminating bus bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101841227A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012440A (en) * | 2010-11-11 | 2011-04-13 | 嘉兴斯达微电子有限公司 | Optimally-designed test fixture for power module |
| CN102624265A (en) * | 2011-01-30 | 2012-08-01 | 江苏清能电源有限公司 | Capacitance integrated type high voltage low inductance lamination bus bars and connecting method thereof |
| CN103247984A (en) * | 2013-05-31 | 2013-08-14 | 上海鹰峰电子科技有限公司 | DC (Direct-Current) common-mode busbar integrated with EMI (Electromagnetic Interference) filtering function |
| CN103915738A (en) * | 2013-01-07 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Composite busbar and three-phase inverter circuit |
| CN104300803A (en) * | 2014-08-06 | 2015-01-21 | 青岛艾迪森科技有限公司 | Laminated busbar for photovoltaic grid-connected inverter |
| 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 |
-
2009
- 2009-09-15 CN CN200910144952A patent/CN101841227A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012440A (en) * | 2010-11-11 | 2011-04-13 | 嘉兴斯达微电子有限公司 | Optimally-designed test fixture for power module |
| CN102624265A (en) * | 2011-01-30 | 2012-08-01 | 江苏清能电源有限公司 | Capacitance integrated type high voltage low inductance lamination bus bars and connecting method thereof |
| CN103915738A (en) * | 2013-01-07 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Composite busbar and three-phase inverter circuit |
| CN103915738B (en) * | 2013-01-07 | 2016-05-04 | 永济新时速电机电器有限责任公司 | Composite bus bar and three-phase inverting circuit |
| CN103247984A (en) * | 2013-05-31 | 2013-08-14 | 上海鹰峰电子科技有限公司 | DC (Direct-Current) common-mode busbar integrated with EMI (Electromagnetic Interference) filtering function |
| CN104300803A (en) * | 2014-08-06 | 2015-01-21 | 青岛艾迪森科技有限公司 | Laminated busbar for photovoltaic grid-connected inverter |
| 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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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100922 |