CN204030980U - A kind of excitation unit - Google Patents
A kind of excitation unit Download PDFInfo
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- CN204030980U CN204030980U CN201420406089.7U CN201420406089U CN204030980U CN 204030980 U CN204030980 U CN 204030980U CN 201420406089 U CN201420406089 U CN 201420406089U CN 204030980 U CN204030980 U CN 204030980U
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Abstract
The utility model relates to a kind of excitation unit.Being fixed on radiator of rectifier diode module and rectification thyristor module interval, exchange copper busbar 3W phase, 3U phase, direct-current copper-bus 3C phase, 3D is fixed on radiator by insulator respectively mutually, exchange copper busbar 3W phase, the leading-out terminal of 3U phase is connected with No. 1 terminal of input of rectification thyristor module and rectifier diode module respectively, No. 2 terminals of output of rectification thyristor module and rectifier diode module are connected a direct-current copper-bus I, No. 3 terminals of output of rectification thyristor module and rectifier diode module are connected a direct-current copper-bus II, direct-current copper-bus I is connected with direct-current copper-bus 3C, direct-current copper-bus II is connected with direct-current copper-bus 3D by shunt.Effect is: can realize excitation unit and be embedded in original control system, realize the integrated of structure, be convenient to install and packed and transported, avoid secondary installing, the issuable fault of wiring, reduce manufacturing cost.
Description
Technical field
The utility model relates to a kind of excitation unit, is mainly used in the fields such as metallurgy industry, lifting industry and electric locomotive, for the transformation of the way dilatation of original-pack Direct Current Governor System.
Background technology
In current international and domestic transmission industry, DC Transmission drive system adopts the scheme of transformation of the way dilatation mostly, a dilatation that key link is exactly energized circuit of transformation of the way dilatation scheme.Existing producer adopts the external installation in excitation unit more, and with circuit between wire link block, shortcoming is the work that outside unit, postpone there will be many secondary connections, increases conversion terminal and easily produces fault; The exposed easy generation Danger Electric shock risk of charged point, because module binding post is little, while using wire to connect, sectional area of wire limits to some extent, cause connect maximum current can only be in 40A left and right; Be installed separately with original-pack Direct Current Governor System, be unfavorable for maintenance and the replacing of standby redundancy.
Summary of the invention
Deficiency in view of prior art existence, the utility model provides a kind of excitation cellular construction of a new generation, exciting current much larger than original 3A, can meet the electricity supply and control of excitation of direct current generator electric current below 85A, and can realize excitation unit and be embedded in original control system, realize the integrated of structure, be convenient to install and packed and transported, avoid secondary installing, the issuable fault of wiring, utilized fully original radiator and casing, reduced manufacturing cost.
The utility model for achieving the above object, the technical scheme adopting is: a kind of excitation unit, comprise radiator, rectification thyristor module, rectifier diode module, direct-current copper-bus I, direct-current copper-bus II, exchange copper busbar 3W phase, exchange copper busbar 3U phase, direct-current copper-bus 3C phase, direct-current copper-bus 3D phase, insulator, shunt, it is characterized in that: described rectifier diode module and rectification thyristor module be being fixed on radiator of interval successively, between rectifier diode module and rectification thyristor module and radiator, scribble one deck heat-conducting silicone grease and be beneficial to heat radiation, described interchange copper busbar 3W phase, exchange copper busbar 3U phase, direct-current copper-bus 3C phase, direct-current copper-bus 3D is fixed on radiator by insulator respectively mutually, exchange copper busbar 3W phase, the leading-out terminal that exchanges copper busbar 3U phase is connected with No. 1 terminal of input of rectification thyristor module and rectifier diode module respectively, No. 2 terminals of output of rectification thyristor module and rectifier diode module are connected a direct-current copper-bus I, No. 3 terminals of output of rectification thyristor module and rectifier diode module are connected a direct-current copper-bus II, direct-current copper-bus I is connected with direct-current copper-bus 3C, direct-current copper-bus II is connected with direct-current copper-bus 3D by shunt.
The beneficial effects of the utility model are: the excitation unit of my company development, overcome the shortcoming of prior art, and thyristor module and rectifier diode module are arranged on to the heat radiation of being convenient to module on aluminium alloy heat radiator; What electrical connection adopted is that the connection of small dimension copper busbar is compared and can be connected larger exciting current with wire; Copper busbar can be connected 100A electric current as electrical connection, has increased substantially making capacity.
The millivolt level shunt device of standard is applied in current feedback loop, has improved feedback accuracy and standardization level; The size of radiator can be according to original-pack Direct Current Governor System customization, can be embedded in completely original-pack Direct Current Governor System inner, without other installation, improved whole integrated degree, increased again fail safe, the needs that can meet module heat dissipating can meet the dimensional requirement of installation again.Completely compatible with original-pack Direct Current Governor System, without user's secondary connection, avoided the fault that causes due to secondary connection, also avoided the exposed easy generation Danger Electric shock risk of charged point.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, an excitation unit, comprises radiator 1, rectification thyristor module 2, rectifier diode module 3, direct-current copper-bus I4, direct-current copper-bus II5, interchange copper busbar 3W phase 6, exchanges copper busbar 3U phase 7, direct-current copper-bus 3C phase 8, direct-current copper-bus 3D phase 9, insulator 10, shunt 11.
By the heat-conducting silicone grease of smearing of the bottom even of rectifier diode module 3 and rectification thyristor module 2, and being fixed on radiator 1 and can not putting upside down with M6 screw of interval successively, two modules are main elements of commutating circuit; The fastening effect of M6 screw and the setting of heat-conducting silicone grease, the base plate of rectifier diode module 3 and rectification thyristor module 2 and radiator 1 contact-making surface is tighter, play the effect of good heat radiating.6 M6 insulators, 10 use M6 double-screw bolts are arranged on radiator 1, play the effect of supporting bus.
Interchange copper busbar 3W phase 6, interchange copper busbar 3U 7 are fixed on radiator 1 by a horizontal insulator 10 with corresponding screw respectively mutually separately, object is that the input of the interchange inlet wire of the wiring of being more convenient for is provided to user, and the leading-out terminal that exchanges copper busbar 3W phase 6, interchange copper busbar 3U phase 7 is connected with No. 1 terminal of input of diode (led) module 3 and rectification thyristor module 2 respectively by screw.Direct-current copper-bus I4 is connected together No. 2 connecting terminals of the output of diode (led) module 3 and rectification thyristor module 2 by screw, and direct-current copper-bus II5 is connected together No. 3 connecting terminals of the output of rectifier diode module 3 and rectification thyristor module 2 by screw.Direct-current copper-bus 3C phase 8, direct-current copper-bus 3D 9 are fixed on radiator 1 by two insulators 10 of vertical arrangement with corresponding screw respectively mutually separately, object is that the output of the direct current outlet of the wiring of being more convenient for is provided to user, direct-current copper-bus 3C 8 links together by screw and direct-current copper-bus I4 mutually, and direct-current copper-bus 3D mutually 9 use screws links together with direct-current copper-bus II5 by shunt 11.Direct-current copper-bus I4, direct-current copper-bus II5 play excessive connection the with external output direct-current copper-bus 3C phase 8, direct-current copper-bus 3D phase 9, and shunt 11 plays the effect to current sample.
The excitation unit of our development in the type selecting of rectification thyristor module 2 and rectifier diode module 3, considered fully actual use in requirement to element surplus; The selection of radiator 1 has taken into account the requirement that module heat dissipating need to be considered again installation dimension; Direct-current copper-bus I4, direct-current copper-bus II5, interchange copper busbar 3W phase 6, interchange copper busbar 3U phase 7, direct-current copper-bus 3C phase 8, direct-current copper-bus 3D phase 9 are the connection of being convenient to large electric current, the connection that facilitates the large specification wire of input and output as being electrically connected advantage; And the use of shunt 11 provides the feedback accuracy of whole system.
Rectification thyristor module model: MCC95-16, rectifier diode module model: MDD95-16N.
Excitation unit in a word, that rectification thyristor module and rectifier diode module are arranged on aluminum profile heat radiator, and equipped corresponding small dimension copper busbar, thereby obtain larger electric current output, coordinating original-pack Direct Current Governor System to can be excitation of direct current generator loop provides larger field supply.
Claims (1)
1. an excitation unit, comprise radiator (1), rectification thyristor module (2), rectifier diode module (3), direct-current copper-bus I(4), direct-current copper-bus II(5), exchange copper busbar 3W phase (6), exchange copper busbar 3U phase (7), direct-current copper-bus 3C phase (8), direct-current copper-bus 3D phase (9), insulator (10), shunt (11), it is characterized in that: described rectifier diode module (3) and rectification thyristor module (2) be being fixed on radiator (1) of interval successively, between rectifier diode module (3) and rectification thyristor module (2) and radiator (1), scribble one deck heat-conducting silicone grease and be beneficial to heat radiation, described interchange copper busbar 3W phase (6), exchange copper busbar 3U phase (7), direct-current copper-bus 3C phase (8), direct-current copper-bus 3D phase (9) is fixed on radiator (1) by insulator (10) respectively, exchange copper busbar 3W phase (6), the leading-out terminal that exchanges copper busbar 3U phase (7) is connected with No. 1 terminal of input of rectification thyristor module (2) and rectifier diode module (3) respectively, No. 2 terminals of output of rectification thyristor module (2) and rectifier diode module (3) are connected a direct-current copper-bus I(4), No. 3 terminals of output of rectification thyristor module (2) and rectifier diode module (3) are connected a direct-current copper-bus II(5), direct-current copper-bus I(4) be connected with direct-current copper-bus 3C phase (8), direct-current copper-bus II(5) by shunt (11), be connected with direct-current copper-bus 3D phase (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406089.7U CN204030980U (en) | 2014-07-23 | 2014-07-23 | A kind of excitation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406089.7U CN204030980U (en) | 2014-07-23 | 2014-07-23 | A kind of excitation unit |
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| Publication Number | Publication Date |
|---|---|
| CN204030980U true CN204030980U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420406089.7U Active CN204030980U (en) | 2014-07-23 | 2014-07-23 | A kind of excitation unit |
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| CN (1) | CN204030980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099304A (en) * | 2015-08-25 | 2015-11-25 | 南京化学工业园热电有限公司 | Excitation slip ring bus-bar system and excitation system slip ring polarity adjusting method |
| CN109194156A (en) * | 2018-11-06 | 2019-01-11 | 北京金自天正智能控制股份有限公司 | A kind of compact is single-phase or three phase excitation power cell |
-
2014
- 2014-07-23 CN CN201420406089.7U patent/CN204030980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099304A (en) * | 2015-08-25 | 2015-11-25 | 南京化学工业园热电有限公司 | Excitation slip ring bus-bar system and excitation system slip ring polarity adjusting method |
| CN105099304B (en) * | 2015-08-25 | 2017-11-10 | 南京化学工业园热电有限公司 | A kind of excitation slip ring busbar system and excitation system slip ring polarity method of adjustment |
| CN109194156A (en) * | 2018-11-06 | 2019-01-11 | 北京金自天正智能控制股份有限公司 | A kind of compact is single-phase or three phase excitation power cell |
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