CN103050229A - Air and water cooled dry type rectifier transformer - Google Patents
Air and water cooled dry type rectifier transformer Download PDFInfo
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- CN103050229A CN103050229A CN2012105474950A CN201210547495A CN103050229A CN 103050229 A CN103050229 A CN 103050229A CN 2012105474950 A CN2012105474950 A CN 2012105474950A CN 201210547495 A CN201210547495 A CN 201210547495A CN 103050229 A CN103050229 A CN 103050229A
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Abstract
The invention relates to an air and water cooled dry type rectifier transformer, which is used for electrically matching with a marine electric propulsion system. The air and water cooled dry type rectifier transformer comprises an air and water cooling device cabinet, a dry type transformer cabinet and a pre-magnetizing transformer cabinet; the dry type transformer cabinet comprises a dry type rectifier transformer, a cabinet body, a high-voltage and low-voltage winding cable installation module, a pre-magnetizing device cable installation module, a condensation-preventing heater, insulated terminals for fixing a busbar, an air course board and a temperature sensor; the air and water cooling device cabinet is arranged on one side of the dry type transformer cabinet through a sealing connecting strip; a ventilation unit and an air and water cooler are arranged inside the air and water cooling device cabinet; the water inlet pipe and the water outlet pipe of the air and water cooler are connected with an external water source through two marine flanges so as to form a water cycle cooling system; a water drainage alarm device is arranged outside the air and water cooling device cabinet; and the pre-magnetizing transformer cabinet is arranged on the other side of the dry type transformer cabinet. The air and water cooled dry type rectifier transformer has the advantages of being safe and reliable, modularized and universalized, compact in integral structure, good in ventilation and heat-dispersion performance, simple for installation, convenient to replace and easy to maintain.
Description
Technical field
The present invention relates to a kind of wind water cooling dry-type rectifier transformer, it is supporting to be used for electric propulsion systematic electricity peculiar to vessel, belongs to the power control technology field.
Background technology
Compare the advantage that electric propulsion has is lightweight, volume is little, noise is low, oil consumption is few with traditional mechanically-propelled.Along with the development of water sailing industry, shipbuilding is had higher requirement.Future certainly will be with more employing electric propulsion modes, and the proportion of Electrical Propulsion Ship will be larger.Especially towards the high-power geomantic omen of the middle pressure cold mould transformer of the full electric propulsion scheme of medium-and-large-sized boats and ships, urgent need be safe and reliable, modularization, generalization, compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, be convenient to the dry-type rectifier transformer changing, be easy to safeguard.
Summary of the invention
The object of the invention is to, overcome the shortcoming that prior art exists, provide a kind of safe and reliable, and have modularization, generalization, compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, be convenient to the dry-type rectifier transformer changing, be easy to safeguard.
Technical scheme of the present invention is:
A kind of wind water cooling dry-type rectifier transformer, it comprises wind water cooling radiator cooler cabinet, dry-type transformer cabinet and a pre-magnetizing transformer case; Described dry-type transformer cabinet comprises dry-type rectifier transformer, cabinet, high pressure winding cable installation module, low pressure winding cable installation module, pre-magnetizing device cable installation module, condensation-proof heater, fixedly busbar is with insulated terminal, wind path plate and temperature sensor; Described wind water cooling radiator cooler cabinet is installed in a side of dry-type transformer cabinet by sealing connecting strip, its inside is equipped with ventilation unit and geomantic omen cooler, the inlet tube and outlet tube of this geomantic omen cooler is connected with external water source by 2 flanges peculiar to vessel, consist of hydrologic cycle cooling system, the outside is equipped with water leakage alarm device; The pre-magnetizing device cabinet is installed in the opposite side of dry-type transformer cabinet.
Described wind water cooling dry-type rectifier transformer, its dry-type rectifier transformer comprise high pressure winding, low pressure winding, iron core, folder, busbar and cross-over block.
Described wind water cooling dry-type rectifier transformer, its cabinet are steel structure, are connected with wind water cooling radiator cooler cabinet.
Described wind water cooling dry-type rectifier transformer, its condensation-proof heater is used for heating, prevents generation condensed water after dry-type rectifier transformer quits work.
Described wind water cooling dry-type rectifier transformer, its temperature sensor are for detection of the temperature of high pressure winding, low pressure winding, and be too high to prevent winding temperature.
Described wind water cooling dry-type rectifier transformer, its high pressure winding comprises wire body, interlayer dielectic and resin-cast layer, is epitaxy delta connection, two or many splitted construction, axial arranging, parallel running; The high pressure winding is through the overall vacuum pressure immersion varnish.
Described wind water cooling dry-type rectifier transformer, its low pressure winding comprises wire body, interlayer dielectic and resin-cast layer, the low pressure winding is through resin-cast.
Described wind water cooling dry-type rectifier transformer, its dry-type rectifier transformer have several low pressure windings, and each can be 6 impulse commutation loop power supplies; When two and above low pressure winding, winding has 30 degree electrical degrees skews according to order, can be the several 6 times impulse commutation loop power supply of the group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.
Described wind water cooling dry-type rectifier transformer, its two dry-type rectifier transformer parallel runnings; Spend when high pressure winding phase shifting angle degree differs 15, energy is virtual to be the several 12 times of impulse commutation loop power supplies of group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.
Described wind water cooling dry-type rectifier transformer, its ventilation unit has 2, there is interface to be connected with the dry-type transformer cabinet, the hot-air that produces when being used for sucking dry-type rectifier transformer work, and carry out changing into cold air after the heat exchange with the geomantic omen cooler, be blown out to the dry-type transformer cabinet, form the closed cycle of wind path, cooling dry-type transformer cabinet.
Described wind water cooling dry-type rectifier transformer, its wind water cooling radiator cooler cabinet is useful on the water leakage alarm device of water leakage alarm, when geomantic omen water leakage of cooler, output alarm signal.
The principle of the invention is: the dry-type transformer cabinet comprises the dry-type rectifier transformer of transformer shell, poured with epoxy resin, dry-type rectifier transformer adopts two (or many) splitted construction of two (or many) windings, the high pressure winding is epitaxy delta connection, axial arranging, parallel running.Wind water cooling radiator cooler cabinet is installed in a side of dry-type transformer cabinet by sealing connecting strip, and can independent installing/dismounting, it comprises housing, ventilation unit, the geomantic omen cooler of wind water cooling radiator cooler and the flange peculiar to vessel that is connected usefulness with geomantic omen cooler intake-outlet, the hot-air that dry-type transformer cabinet when work the produces unit that ventilated sucks, with change into cold air after the cooler heat exchange of geomantic omen, be blown into the dry-type transformer cabinet, form closed cycle, cooling dry-type transformer cabinet.Described pre-magnetizing transformer case is installed in the opposite side of dry-type transformer cabinet, can independent installing/dismounting, and the pre-magnetizing device cabinet carries out pre-magnetizing to main transformer, effectively suppresses magnetizing inrush current.
Outstanding characteristics of the present invention and significant technique effect are:
1, compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, be convenient to change, be easy to safeguard;
2, dry-type rectifier transformer adopts the dual-winding double-splitting structure, and high-tension coil is epitaxy delta connection, axial arranging, parallel running, the division of two (or many) groups low pressure axis of winding;
3, dry-type rectifier transformer can carry out pre-magnetizing to dry-type rectifier transformer with pre-magnetizing device, effectively suppresses magnetizing inrush current;
4, dry-type rectifier transformer low pressure winding adopts the casting of vacuum pressure impregnation epoxy resin, and winding does not absorb moisture, is adapted to marine environment;
5, in two of dry-type rectifier transformer groups of secondary winding, with 30 degree electrical degree skews are arranged between the phase winding, can realize 12 impulse commutation loop power supplies, 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) the impulse commutation loop power supply;
6, dry-type rectifier transformer can fast, effectively be taken away the heat that produces when dry-type rectifier transformer is worked with the wind water cooling radiator cooler.
Description of drawings
Fig. 1 is that the wind water cooling dry-type rectifier transformer forms front view;
Fig. 2 is that the wind water cooling dry-type rectifier transformer forms vertical view;
Fig. 3 is the dry-type rectifier transformer vertical view;
Fig. 4 is the dry-type rectifier transformer end view.
The Reference numeral name is called among the figure: 1-wind water cooling radiator cooler cabinet, 1.1-ventilation unit, 1.2-geomantic omen cooler, 1.3-flange peculiar to vessel, 1.4-water leakage alarm device, 2-dry-type transformer cabinet, 2.1-dry-type rectifier transformer, 2.11-high pressure winding, 2.12-low pressure winding, 2.13-iron core, 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 cable installation module, 2.4-low pressure winding cable installation module, 2.5-pre-magnetizing device cable installation module, 2.6-condensation-proof heater, 2.7-fixedly busbar insulated terminals, 2.8-wind path plate, 2.9-temperature sensor, 3-pre-magnetizing device cabinet.
Embodiment
Be described further as follows to wind water cooling dry-type rectifier transformer of the present invention in conjunction with the accompanying drawings and embodiments:
Shown in Fig. 1,2,3,4, a kind of wind water cooling dry-type rectifier transformer, it comprises wind water cooling radiator cooler cabinet 1, dry-type transformer cabinet 2 and a pre-magnetizing transformer case 3; Described dry-type transformer cabinet 2 comprises dry-type rectifier transformer 2.1, cabinet 2.2, high pressure winding cable installation module 2.3, low pressure winding cable installation module 2.4, pre-magnetizing device cable installation module 2.5, condensation-proof heater 2.6, fixedly busbar is with insulated terminal 2.7, wind path plate 2.8 and temperature sensor 2.9; Described wind water cooling radiator cooler cabinet 1 is installed in a side of dry-type transformer cabinet 2 by sealing connecting strip, its inside is equipped with ventilation unit 1.1 and geomantic omen cooler 1.2, the inlet tube and outlet tube of this geomantic omen cooler 1.2 is connected with the external water source that satisfies flow, pressure, pressure drop condition by 2 flanges 1.3 peculiar to vessel, consist of hydrologic cycle cooling system, the outside is equipped with water leakage alarm device 1.4; Pre-magnetizing device cabinet 3 is installed in the opposite side of dry-type transformer cabinet 2.Described dry-type rectifier transformer 2.1 comprises 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 after the installation, and anti-explosion gas bleeder 2.21 is arranged.Described condensation-proof heater 2.6 is used for heating, prevents generation condensed water after dry-type rectifier transformer 2.1 quits work.Described temperature sensor 2.9 is for detection of the temperature of high pressure winding 2.11, low pressure winding 2.12, and is too high to prevent winding temperature.Described high pressure winding 2.11 comprises wire body, interlayer dielectic and resin-cast layer, is epitaxy delta connection, two or many splitted construction, axial arranging, parallel running; High pressure winding 2.11 improves protection and mechanical strength, to adapt to the marine environment requirement through the overall vacuum pressure immersion varnish; The material of wire body is copper conductor, aluminum conductor, Copper Foil, aluminium foil or other conductor material.Described low pressure winding 2.12 comprises wire body, interlayer dielectic and resin-cast layer, and low pressure winding 2.12 improves protection and mechanical strength, to adapt to the marine environment requirement through resin-cast; 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; When two and above low pressure winding 2.12, winding has 30 degree electrical degrees skews according to order, can be the several 6 times impulse commutation loop power supply of the group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.Described two dry-type rectifier transformer 2.1 parallel runnings; Spend when high pressure winding 2.11 phase shift angles differ 15, energy is virtual to be the several 12 times of impulse commutation loop power supplies of group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.Described ventilation unit 1.1 has 2, there is interface to be connected with dry-type transformer cabinet 2, the hot-air that produces when being used for sucking dry-type rectifier transformer 2.1 work, and carry out changing into cold air after the heat exchange with geomantic omen cooler 1.2, be blown out to dry-type transformer cabinet 2, form the closed cycle of wind path, cooling dry-type transformer cabinet.Described wind water cooling radiator cooler cabinet 1 is useful on the water leakage alarm device 1.4 of water leakage alarm, when geomantic omen cooler 1.2 leaks output alarm signal.
Combination technology scheme, know-why further specify as follows to effect of the present invention again:
Dry-type rectifier transformer adopts the 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, compare with common transformer, the effect of transformer with split winding limiting short-circuit current is remarkable, when a branch, short-circuit of division winding, short circuit current passes through impedance through more than half, partly pass through impedance and equal high pressure winding and branch's short-circuit impedance sum, equal one and add 1/4th times bundle factor, multiply by and pass through impedance, that is to say partly pass through impedance ratio pass through impedance large 1/4th bundle factors doubly pass through impedance, namely the short-circuit impedance than common transformer is large, so short circuit current is little.Transformer with split winding also helps the improvement of motor self-staring condition, and the short-circuit impedance that passes through the impedance ratio common transformer of transformer with split winding is little, so the voltage drop of transformer wants less when flowing through starting current, allows the motor starting capacity more greatly.When branch road of division winding was short-circuited fault, the busbar voltage of another branch road was fallen very little in addition, and namely residual voltage is higher, and this is the major advantage of transformer with split winding.
The high pressure winding of dry-type rectifier transformer and the terminal of 2 low pressure windings lay respectively at the both sides of dry-type rectifier transformer, and the high pressure winding has adopted the connection of extend-triangle.2 one of low pressure windings adopt delta connection, and one is adopted star connection, and 30 degree electrical degree skews are arranged between the winding, form 12 impulse commutation loops.
Claim protection model of the present invention is not limited to above-described embodiment.
Claims (11)
1. a wind water cooling dry-type rectifier transformer is characterized in that, it comprises 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) comprises dry-type rectifier transformer (2.1), cabinet (2.2), high pressure winding cable installation module (2.3), low pressure winding cable installation module (2.4), pre-magnetizing device cable installation module (2.5), condensation-proof heater (2.6), fixedly busbar is with insulated terminal (2.7), wind path plate (2.8) and temperature sensor (2.9); Described wind water cooling radiator cooler cabinet (1) is installed in a side of dry-type transformer cabinet (2) by sealing connecting strip, its inside is equipped with ventilation unit (1.1) and geomantic omen cooler (1.2), the inlet tube and outlet tube of this geomantic omen cooler (1.2) is connected with external water source by 2 flanges peculiar to vessel (1.3), consist of hydrologic cycle cooling system, the outside is equipped with water leakage alarm device (1.4); Pre-magnetizing device cabinet (3) is installed in the opposite side of dry-type transformer cabinet (2).
2. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that dry-type rectifier transformer (2.1) comprises 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. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that cabinet (2.2) is steel structure, be connected with wind water cooling radiator cooler cabinet (1).
4. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that condensation-proof heater (2.6) is used for heating, prevents generation condensed water after dry-type rectifier transformer (2.1) quits work.
5. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that temperature sensor (2.9) is for detection of the temperature of high pressure winding (2.11), low pressure winding (2.12), and is too high to prevent winding temperature.
6. by wind water cooling dry-type rectifier transformer claimed in claim 2, it is characterized in that high pressure winding (2.11) comprises wire body, interlayer dielectic and resin-cast layer, is epitaxy delta connection, two or many splitted construction, axial arranging, parallel running; High pressure winding (2.11) is through the overall vacuum pressure immersion varnish.
7. by wind water cooling dry-type rectifier transformer claimed in claim 2, it is characterized in that low pressure winding (2.12) comprises wire body, interlayer dielectic and resin-cast layer, low pressure winding (2.12) is through resin-cast.
8. by claim 1 or 2 described wind water cooling dry-type rectifier transformers, it is characterized in that dry-type rectifier transformer (2.1) has several low pressure windings (2.12), each can be 6 impulse commutation loop power supplies; When two and above low pressure winding (2.12), winding has 30 degree electrical degrees skews according to order, can be the several 6 times impulse commutation loop power supply of the group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.
9. by claim 1 or 2 described wind water cooling dry-type rectifier transformers, it is characterized in that two dry-type rectifier transformers (2.1) parallel running; Spend when high pressure winding (2.11) phase shift angle differs 15, energy is virtual to be the several 12 times of impulse commutation loop power supplies of group of low pressure winding; It is natural number 1 to 12 that the group of low pressure winding is counted choosing value scope.
10. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that, ventilation unit (1.1) has 2, there is interface to be connected with dry-type transformer cabinet (2), be used for sucking the hot-air that produces when dry-type rectifier transformer (2.1) is worked, and carry out changing into cold air after the heat exchange with geomantic omen cooler (1.2), be blown out to dry-type transformer cabinet (2), form the closed cycle of wind path, cooling dry-type transformer cabinet.
11. by wind water cooling dry-type rectifier transformer claimed in claim 1, it is characterized in that wind water cooling radiator cooler cabinet (1) is useful on the water leakage alarm device (1.4) of water leakage alarm, when geomantic omen cooler (1.2) leaks output alarm signal.
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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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| CN201210547495.0A CN103050229B (en) | 2012-12-17 | 2012-12-17 | Wind water cooling dry-type rectifier transformer |
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| CN103050229B CN103050229B (en) | 2016-08-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606444A (en) * | 2013-11-28 | 2014-02-26 | 天津天能变压器有限公司 | Multi-winding phase-shifting split dry-type transformer for ship or ocean platform |
| 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 |
| CN105118617A (en) * | 2015-08-26 | 2015-12-02 | 明珠电气有限公司 | Phase-shifting coil for epoxy resin cast water internal cooling phase-shifting transformer |
| 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 |
| 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 |
| CN105469953A (en) * | 2016-01-13 | 2016-04-06 | 王丹 | Novel power transformer |
| CN105679503A (en) * | 2016-01-13 | 2016-06-15 | 王丹 | High-performance distribution transformer |
| CN105742010A (en) * | 2015-12-28 | 2016-07-06 | 金盘电气集团（上海）有限公司 | Explosion-proof dry self-cooling phase-shifting rectifier 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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| 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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| 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606444A (en) * | 2013-11-28 | 2014-02-26 | 天津天能变压器有限公司 | Multi-winding phase-shifting split dry-type transformer for ship or ocean platform |
| 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 |
| CN105118617A (en) * | 2015-08-26 | 2015-12-02 | 明珠电气有限公司 | Phase-shifting coil for epoxy resin cast water internal cooling phase-shifting transformer |
| 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 |
| CN105742010A (en) * | 2015-12-28 | 2016-07-06 | 金盘电气集团（上海）有限公司 | Explosion-proof dry self-cooling phase-shifting rectifier transformer |
| 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 |
| CN105469953A (en) * | 2016-01-13 | 2016-04-06 | 王丹 | Novel power transformer |
| CN105679503A (en) * | 2016-01-13 | 2016-06-15 | 王丹 | High-performance distribution transformer |
| 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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| CN103050229B (en) | 2016-08-17 |
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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. |