CN103050229B - Wind water cooling dry-type rectifier transformer - Google Patents
Wind water cooling dry-type rectifier transformer Download PDFInfo
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- CN103050229B CN103050229B CN201210547495.0A CN201210547495A CN103050229B CN 103050229 B CN103050229 B CN 103050229B CN 201210547495 A CN201210547495 A CN 201210547495A CN 103050229 B CN103050229 B CN 103050229B
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Abstract
The present invention relates to a kind of wind water cooling dry-type rectifier transformer, supporting for electric propulsion systematic electricity peculiar to vessel, it includes wind water cooling radiator cooler cabinet, dry-type transformer cabinet and pre-magnetizing transformer case；Dry-type transformer cabinet includes that dry-type rectifier transformer, cabinet, high pressure and low pressure winding cable install module, pre-magnetizing device cable installation module, condensation-proof heater, fixing busbar insulated terminal, wind path plate and temperature sensor；Described wind water cooling radiator cooler cabinet is arranged on the side of dry-type transformer cabinet by sealing connecting strip, it is internally installed ventilation unit and edema due to wind pathogen cooler, the inlet tube and outlet tube of this edema due to wind pathogen cooler is connected with external water source by 2 flanges peculiar to vessel, constituting hydrologic cycle cooling system, outside is provided with water leakage alarm device；Pre-magnetizing device cabinet is arranged on the opposite side of dry-type transformer cabinet.The method have the advantages that: safe and reliable, and have modularity, generalization, compact overall structure, performance of ventilation and heat dispersion are good, installation is simple, be conveniently replaceable, be easily maintained.
Description
Technical field
The present invention relates to a kind of wind water cooling dry-type rectifier transformer, supporting for electric propulsion systematic electricity peculiar to vessel, belong to power control technology field.
Background technology
Compared with traditional mechanically-propelled, electric propulsion has advantage lightweight, that volume is little, noise is low, oil consumption is few.Along with the development of water sailing industry, shipbuilding is had higher requirement.Future certainly will be by more employing electric propulsion modes, and the proportion of Electrical Propulsion Ship will be bigger.Especially towards the middle pressure high-power edema due to wind pathogen cold mould transformator of medium-and-large-sized boats and ships full electric propulsion scheme, urgent need be safe and reliable, modularity, generalization, compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, the dry-type rectifier transformer that is conveniently replaceable, is easily maintained.
Summary of the invention
It is an object of the invention to, overcome the shortcoming that prior art exists, it is provided that be a kind of safe and reliable, and have modularity, generalization, compact overall structure, performance of ventilation and heat dispersion are good, installation is simple, the dry-type rectifier transformer that is conveniently replaceable, is easily maintained.
The technical scheme is that
A kind of wind water cooling dry-type rectifier transformer, it includes a wind water cooling radiator cooler cabinet, dry-type transformer cabinet and pre-magnetizing transformer case；Described dry-type transformer cabinet includes that dry-type rectifier transformer, cabinet, high pressure winding cable install module, low pressure winding cable installation module, pre-magnetizing device cable installation module, condensation-proof heater, fixing busbar insulated terminal, wind path plate and temperature sensor；Described wind water cooling radiator cooler cabinet is arranged on the side of dry-type transformer cabinet by sealing connecting strip, it is internally installed ventilation unit and edema due to wind pathogen cooler, the inlet tube and outlet tube of this edema due to wind pathogen cooler is connected with external water source by 2 flanges peculiar to vessel, constituting hydrologic cycle cooling system, outside is provided with water leakage alarm device；Pre-magnetizing device cabinet is arranged on the opposite side of dry-type transformer cabinet.
Described wind water cooling dry-type rectifier transformer, its dry-type rectifier transformer includes high pressure winding, low pressure winding, iron core, folder, busbar and cross-over block.
Described wind water cooling dry-type rectifier transformer, its cabinet is steel structure, is connected with wind water cooling radiator cooler cabinet.
Described wind water cooling dry-type rectifier transformer, its condensation-proof heater is used for heating, and prevents from producing condensed water after dry-type rectifier transformer quits work.
Described wind water cooling dry-type rectifier transformer, its temperature sensor is for detecting high pressure winding, the temperature of low pressure winding, to prevent winding temperature too high.
Described wind water cooling dry-type rectifier transformer, its high pressure winding includes wire body, interlayer dielectic and resin-cast layer, for epitaxy delta connection, double or many splitted construction, axial arranging, parallel running；High pressure winding is through overall vacuum pressure immersion varnish.
Described wind water cooling dry-type rectifier transformer, its low pressure winding includes wire body, interlayer dielectic and resin-cast layer, and low pressure winding is through resin-cast.
Described wind water cooling dry-type rectifier transformer, its dry-type rectifier transformer has several low pressure windings, and each can be 6 impulse commutation loop power supplies；As two and above low pressure winding, winding has 30 degree of electrical angle skews according to order, can be the impulse commutation loop power supply of several 6 times of the group of low pressure winding；The group number choosing value scope of low pressure winding is natural number 1 to 12.
Described wind water cooling dry-type rectifier transformer, its two dry-type rectifier transformer parallel runnings；When high pressure winding phase shifting angle degree differs 15 degree, can the several 12 times of impulse commutation loop power supplies of the virtual group for low pressure winding；The group number choosing value scope of low pressure winding is natural number 1 to 12.
Described wind water cooling dry-type rectifier transformer, its ventilation unit has 2, interface is had to be connected with dry-type transformer cabinet, the hot-air produced during for sucking dry-type rectifier transformer work, and change into cold air after carrying out heat exchange with edema due to wind pathogen cooler, it is blown out to dry-type transformer cabinet, forms the closed cycle of wind path, cool down dry-type transformer cabinet.
Described wind water cooling dry-type rectifier transformer, its wind water cooling radiator cooler cabinet has the water leakage alarm device for water leakage alarm, when edema due to wind pathogen water leakage of cooler, output alarm signal.
The principle of the invention is: dry-type transformer cabinet includes the dry-type rectifier transformer of transformer shell, poured with epoxy resin, dry-type rectifier transformer uses double (or many) splitted construction of double (or many) windings, high pressure winding is epitaxy delta connection, axial arranging, parallel running.Wind water cooling radiator cooler cabinet is arranged on the side of dry-type transformer cabinet by sealing connecting strip, and can independently installed dismantle, it includes the housing of wind water cooling radiator cooler, ventilation unit, edema due to wind pathogen cooler and the flange peculiar to vessel being connected with edema due to wind pathogen cooler intake-outlet, the hot-air produced during the work of dry-type transformer cabinet is vented unit and sucks, cold air is changed into after the cooler heat exchange of edema due to wind pathogen, it is blown into dry-type transformer cabinet, forms closed cycle, cool down dry-type transformer cabinet.Described pre-magnetizing transformer case is arranged on the opposite side of dry-type transformer cabinet, can independently installed dismantle, and pre-magnetizing device cabinet carries out pre-magnetizing to main transformer, effectively suppresses excitation surge current.
The prominent feature of the present invention and significantly having the technical effect that
1, compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, be conveniently replaceable, be easily maintained；
2, dry-type rectifier transformer uses dual-winding double-splitting structure, and high-tension coil is epitaxy delta connection, axial arranging, parallel running, the low pressure axis of winding division of two (or many) groups；
3, dry-type rectifier transformer is with pre-magnetizing device, dry-type rectifier transformer can be carried out pre-magnetizing, effectively suppress excitation surge current；
4, dry-type rectifier transformer low pressure winding uses the casting of vacuum pressure impregnation epoxy resin, and winding does not absorb moisture, is adapted to marine environment；
5, in two groups of secondary windings of dry-type rectifier transformer, with there being 30 degree of electrical angle skews between phase winding, 12 impulse commutation loop power supplies can be realized, in like manner, can be embodied as the 6K(K such as 6 pulses, 18 pulses, 24 pulses is the low pressure number of windings, and scope is 1 to 12) impulse commutation loop power supply；
6, dry-type rectifier transformer is with wind water cooling radiator cooler, it is possible to the heat produced when quickly, effectively taking away dry-type rectifier transformer work.
Accompanying drawing explanation
Fig. 1 is that wind water cooling dry-type rectifier transformer forms front view；
Fig. 2 is that wind water cooling dry-type rectifier transformer forms top view；
Fig. 3 is dry-type rectifier transformer top view；
Fig. 4 is dry-type rectifier transformer side view.
In figure, reference is entitled: 1 wind water cooling radiator cooler cabinet, 1.1 ventilation units, 1.2 edema due to wind pathogen coolers, 1.3 flanges peculiar to vessel, 1.4 water leakage alarm device, 2 dry-type transformer cabinets, 2.1 dry-type rectifier transformer, 2.11 high pressure winding, 2.12 low pressure winding, 2.13 the ferrum heart, 2.14 folder, 2.15 busbar, 2.16 cross-over block, 2.2 cabinet, 2.21 anti-explosion gas bleeder, 2.3 high pressure winding cables install module, 2.4 low pressure winding cables install module, 2.5 pre-magnetizing device cables install module, 2.6 condensation-proof heaters, 2.7 fix busbar insulated terminal, 2.8 wind path plates, 2.9 temperature sensor, 3 pre-magnetizing device cabinets.
Detailed description of the invention
In conjunction with the accompanying drawings and embodiments wind water cooling dry-type rectifier transformer of the present invention is described further as follows:
As shown in Figure 1,2,3, 4, a kind of wind water cooling dry-type rectifier transformer, it includes a wind water cooling radiator cooler cabinet 1, dry-type transformer cabinet 2 and pre-magnetizing transformer case 3；Described dry-type transformer cabinet 2 includes that dry-type rectifier transformer 2.1, cabinet 2.2, high pressure winding cable install module 2.3, low pressure winding cable installation module 2.4, pre-magnetizing device cable installation module 2.5, condensation-proof heater 2.6, fixing busbar insulated terminal 2.7, wind path plate 2.8 and temperature sensor 2.9；Described wind water cooling radiator cooler cabinet 1 is arranged on the side of dry-type transformer cabinet 2 by sealing connecting strip, it is internally installed ventilation unit 1.1 and edema due to wind pathogen cooler 1.2, the inlet tube and outlet tube of this edema due to wind pathogen cooler 1.2 by 2 flanges 1.3 peculiar to vessel with meet flow, pressure, the external water source of pressure reduction conditions are connected, constituting hydrologic cycle cooling system, outside is provided with water leakage alarm device 1.4；Pre-magnetizing device cabinet 3 is arranged on the opposite side of dry-type transformer cabinet 2.Described dry-type rectifier transformer 2.1 includes high pressure winding 2.11, low pressure winding 2.12, iron core 2.13, folder 2.14, busbar 2.15 and cross-over block 2.16.Described cabinet 2.2 is steel structure, is connected with wind water cooling radiator cooler cabinet 1, can reach IP44 and above degree of protection, and have anti-explosion gas bleeder 2.21 after installation.Described condensation-proof heater 2.6 is used for heating, and prevents from producing condensed water after dry-type rectifier transformer 2.1 quits work.Described temperature sensor 2.9 is for detecting high pressure winding 2.11, the temperature of low pressure winding 2.12, to prevent winding temperature too high.Described high pressure winding 2.11 includes wire body, interlayer dielectic and resin-cast layer, for epitaxy delta connection, double or many splitted construction, axial arranging, parallel running；High pressure winding 2.11, through overall vacuum pressure immersion varnish, improves protection and mechanical strength, to adapt to marine environment requirement；The material of wire body is copper conductor, aluminum conductor, Copper Foil, aluminium foil or other conductor material.Described low pressure winding 2.12 includes wire body, interlayer dielectic and resin-cast layer, and low pressure winding 2.12, through resin-cast, improves protection and mechanical strength, to adapt to marine environment requirement；The material of wire body is copper conductor, aluminum conductor, Copper Foil, aluminium foil or other conductor material.Described dry-type rectifier transformer 2.1 has several low pressure windings 2.12, and each can be 6 impulse commutation loop power supplies；As two and above low pressure winding 2.12, winding has 30 degree of electrical angle skews according to order, can be the impulse commutation loop power supply of several 6 times of the group of low pressure winding；The group number choosing value scope of low pressure winding is natural number 1 to 12.Described two dry-type rectifier transformers 2.1 parallel running；When high pressure winding 2.11 phase shift angle differs 15 degree, can the several 12 times of impulse commutation loop power supplies of the virtual group for low pressure winding；The group number choosing value scope of low pressure winding is natural number 1 to 12.Described ventilation unit 1.1 has 2, interface is had to be connected with dry-type transformer cabinet 2, for sucking the hot-air produced when dry-type rectifier transformer 2.1 works, and change into cold air after carrying out heat exchange with edema due to wind pathogen cooler 1.2, it is blown out to dry-type transformer cabinet 2, form the closed cycle of wind path, cool down dry-type transformer cabinet.Described wind water cooling radiator cooler cabinet 1 has the water leakage alarm device 1.4 for water leakage alarm, when edema due to wind pathogen cooler 1.2 leaks, and output alarm signal.
Combination technology scheme, know-why, be further described as follows effect of the present invention:
Dry-type rectifier transformer uses dual-winding double-splitting structure, former, secondary net lateral coil is epitaxy delta connection, axial arranging, parallel running, two groups of low pressure axis of winding divisions, compared with common transformer, the effect of transformer with split winding limiting short-circuit current is notable, when dividing one branch, short-circuit of winding, short circuit current passes through impedance through more than half, partly pass through impedance equal to high pressure winding and branch's short-circuit impedance sum, equal to one plus the bundle factor of 1/4th times, it is multiplied by and passes through impedance, that the most partly passes through that impedance ratio passes through impedance big 1/4th bundle factors times passes through impedance, namely big than the short-circuit impedance of common transformer, so short circuit current is little.Transformer with split winding also helps the improvement of motor self-staring condition, and the short-circuit impedance passing through impedance ratio common transformer of transformer with split winding is little, so the voltage drop of transformator wants less when flowing through starting current, it is allowed to motor starting capacity is more greatly.Additionally when division one branch road of winding is short-circuited fault, the busbar voltage fall of another branch road is the least, i.e. residual voltage is higher, and this is the major advantage of transformer with split winding.
The terminal of the high pressure winding of dry-type rectifier transformer and 2 low pressure windings lays respectively at the both sides of dry-type rectifier transformer, and high pressure winding have employed the connection of extend-triangle.2 low pressure windings one use delta connection, and one uses star connection, have 30 degree of electrical angle skews, form 12 impulse commutation loops between winding.
The claim protection model of the present invention is not limited to above-described embodiment.
Claims (8)
1. a wind water cooling dry-type rectifier transformer, it is characterised in that it includes wind water cooling radiator cooler cabinet (1), dry-type transformer cabinet (2) and pre-magnetizing transformer case (3)；Described dry-type transformer cabinet (2) includes that dry-type rectifier transformer (2.1), cabinet (2.2), high pressure winding cable install module (2.3), low pressure winding cable installation module (2.4), pre-magnetizing device cable installation module (2.5), condensation-proof heater (2.6), fixing busbar insulated terminal (2.7), wind path plate (2.8) and temperature sensor (2.9)；Described wind water cooling radiator cooler cabinet (1) is arranged on the side of dry-type transformer cabinet (2) by sealing connecting strip, it is internally installed ventilation unit (1.1) and edema due to wind pathogen cooler (1.2), the inlet tube and outlet tube of this edema due to wind pathogen cooler (1.2) is connected with external water source by 2 flanges peculiar to vessel (1.3), constituting hydrologic cycle cooling system, outside is provided with water leakage alarm device (1.4)；Pre-magnetizing transformer case (3) is arranged on the opposite side of dry-type transformer cabinet (2)；Described ventilation unit (1.1) has 2, interface is had to be connected with dry-type transformer cabinet (2), the hot-air produced during for sucking dry-type rectifier transformer (2.1) work, and change into cold air after carrying out heat exchange with edema due to wind pathogen cooler (1.2), it is blown out to dry-type transformer cabinet (2), form the closed cycle of wind path, cool down dry-type transformer cabinet；The parallel running of two dry-type rectifier transformers (2.1)；When high pressure winding (2.11) phase shift angle differs 15 degree, can the several 12 times of impulse commutation loop power supplies of the virtual group for low pressure winding；The group number choosing value scope of low pressure winding is natural number 1 to 12.
2. the wind water cooling dry-type rectifier transformer as described in claim 1, it is characterized in that, dry-type rectifier transformer (2.1) includes high pressure winding (2.11), low pressure winding (2.12), (2.13), folder (2.14) unshakable in one's determination, busbar (2.15) and cross-over block (2.16).
3. the wind water cooling dry-type rectifier transformer as described in claim 1, it is characterised in that cabinet (2.2) is steel structure, is connected with wind water cooling radiator cooler cabinet (1).
4. the wind water cooling dry-type rectifier transformer as described in claim 1, it is characterised in that condensation-proof heater (2.6) is used for heating, prevents from producing condensed water after dry-type rectifier transformer (2.1) quits work.
5. the wind water cooling dry-type rectifier transformer as described in claim 2, it is characterised in that temperature sensor (2.9) is used for detecting high pressure winding (2.11), the temperature of low pressure winding (2.12), to prevent winding temperature too high.
6. the wind water cooling dry-type rectifier transformer as described in claim 2, it is characterised in that high pressure winding (2.11) includes wire body, interlayer dielectic and resin-cast layer, for epitaxy delta connection, many splitted construction, axial arranging, parallel running；High pressure winding (2.11) is through overall vacuum pressure immersion varnish.
7. the wind water cooling dry-type rectifier transformer as described in claim 2, it is characterised in that low pressure winding (2.12) includes wire body, interlayer dielectic and resin-cast layer, and low pressure winding (2.12) is through resin-cast.
8. the wind water cooling dry-type rectifier transformer as described in claim 1, it is characterised in that wind water cooling radiator cooler cabinet (1) has the water leakage alarm device (1.4) for water leakage alarm, when edema due to wind pathogen cooler (1.2) leaks, output alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210547495.0A CN103050229B (en) | 2012-12-17 | 2012-12-17 | Wind water cooling dry-type rectifier transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210547495.0A CN103050229B (en) | 2012-12-17 | 2012-12-17 | Wind water cooling dry-type rectifier transformer |
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| CN103050229A CN103050229A (en) | 2013-04-17 |
| CN103050229B true CN103050229B (en) | 2016-08-17 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606444B (en) * | 2013-11-28 | 2016-08-17 | 天津天能变压器有限公司 | Dry-type transformer is divided in a kind of peculiar to vessel or ocean platform Multiple coil phase shift |
| CN104332296A (en) * | 2014-11-10 | 2015-02-04 | 镇江船舶电器有限责任公司 | Air-water-cooling dry-type rectifying transformer for ship |
| CN105118619A (en) * | 2015-08-26 | 2015-12-02 | 明珠电气有限公司 | Phase-shifting coil for non-packaged internal-water-cooled phase-shifting transformer |
| CN105118617B (en) * | 2015-08-26 | 2017-06-20 | 明珠电气股份有限公司 | A kind of poured with epoxy resin internal water cooling phase-shifting transformer phase shift coil |
| CN105742010B (en) * | 2015-12-28 | 2017-11-10 | 金盘电气集团（上海）有限公司 | The explosion-proof self cooling phase-shifting rectifier transformer of dry type |
| CN105428030A (en) * | 2016-01-04 | 2016-03-23 | 西安天虹电气有限公司 | Marine water-cooling dry-type rectifier transformer |
| CN108806948B (en) * | 2016-01-13 | 2020-11-27 | 台州百瑞电子科技有限公司 | Castable layer, preparation method thereof and transformer with same |
| CN105679503B (en) * | 2016-01-13 | 2018-06-22 | 京瑞恒诚电气(北京)股份有限公司 | A kind of distribution transformer |
| CN105895338A (en) * | 2016-06-29 | 2016-08-24 | 天津市特变电工变压器有限公司 | Dry type transformer in wind power generator cabin |
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| CN101202155A (en) * | 2007-11-02 | 2008-06-18 | 中电电气集团有限公司 | Water cooling system for dry transformer |
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| CN201749766U (en) * | 2010-05-28 | 2011-02-16 | 海南金盘电气有限公司 | Water cooling system of dry-type transformer |
| CN201966030U (en) * | 2011-01-17 | 2011-09-07 | 上海电器科学研究所（集团）有限公司 | Dry-type three-phase power transformer cooled by introducing water |
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Patent Citations (4)
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| CN101202155A (en) * | 2007-11-02 | 2008-06-18 | 中电电气集团有限公司 | Water cooling system for dry transformer |
| CN201749766U (en) * | 2010-05-28 | 2011-02-16 | 海南金盘电气有限公司 | Water cooling system of dry-type transformer |
| CN201741527U (en) * | 2010-09-06 | 2011-02-09 | 新华都特种电气股份有限公司 | Air and water cooling transformer |
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Effective date of registration: 20180408 Address after: 266500 room 2-801, No. 10, Changjiang East Road, Qingdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: Qingdao Haixi Electric Co., Ltd. Address before: 430064 Hubei City, Hongshan District, lion street, steam school, a village Patentee before: No.712 Inst., China Ship Heavy Industry Group Co. |