CN2796043Y - Platform transformer on sea - Google Patents
Platform transformer on sea Download PDFInfo
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- CN2796043Y CN2796043Y CN 200520129710 CN200520129710U CN2796043Y CN 2796043 Y CN2796043 Y CN 2796043Y CN 200520129710 CN200520129710 CN 200520129710 CN 200520129710 U CN200520129710 U CN 200520129710U CN 2796043 Y CN2796043 Y CN 2796043Y
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Abstract
The utility model relates to a platform transformer on the sea in order to solve the problem that the prior transformer can not adapt the environment on the sea. A winding is formed by winding a plurality of transposed conducting wires. A longitudinal air drain is arranged between every two contiguous wafers; a high-voltage winding and an insulation canister are separated by an axial air drain. An axial air drain is arranged between low-voltage coils, and between the coils and a high voltage canister; a high-voltage coil and each low-voltage coil are provided with a top blowing type cooling blower. An iron core is formed by stacking step seams, and the iron core is fixed and bound by a semidry epoxy adhesive tape. An iron core post and an inner winding are in tetragonal fixation by a bracing plate, and the gap between the iron core post and the inner winding is plugged by an insulating rod. The inner winding and an outer winding are fixed by a shaping bracing bar. The upper part of a transformer body and a casing are positioned by a suspending screw rod, and the lower part of the transformer body and the casing are positioned in a multipoint mode. The side wall of the casing is welded with positioning round steel to be positioned, and a gap exists between the positioning round steel and a clamping piece of the transformer body. The utility model has the advantages of strong corrosion resistant capability and erosion resistant capability, good anti-vibration property and anti-impact property, excellent insulating property and heat dispersion property, low loss and small noise; the utility model can completely adapt the severe environment on the sea with reliable properties.
Description
Technical field
The utility model relates to a kind of power transformer, particularly relates to a kind of offshore platform transformer.
Background technology
The offshore oil drilling platform environment is abominable, give prominence to and have many environmental factors that is unfavorable for the transformer operate as normal, as: relative air humidity, condensation, mist of oil, salt fog and mould, Ship Vibration and impact, the influences of storm at sea etc., the performance of existing land transformer can not satisfy the needs of offshore oil drilling platform far away.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned defective of prior art, and a kind of offshore platform transformer that can adapt to marine severe environmental conditions is provided.
For achieving the above object, the utility model offshore platform transformer methods for cooling is a dry type, and high-tension coil is the cake formula, and low-voltage coil is a cartridge type, and winding is by the multiply winding transposition wire; High-tension coil is provided with vertical air flue between per two adjacent cakes, be partitioned into axial air flue with the moulding stay between high pressure winding and insulating cylinder, between the low-voltage coil and between coil and high pressure cylinder axial air flue is set, and the high-voltage coil and low-voltage coil bottom is provided with the top-blown cooling blower; Unshakable in one's determination form and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack, plug the gap with insulating rod with the fagging four directions is fixing between core limb and inner winding, fixing in many ways with equally distributed a plurality of moulding stays between inner winding and outside winding, yoke clip piece is welded by channel-section steel and square iron; Carry out multipoint positioning to hanging between screw rod location, device body bottom and the housing by foundation bolt with many between device body and the housing, the location round steel that leaves the gap between housing sidewall welding and the device body folder positions.
So design, non-encapsulated type loop construction, lead directly contacts with coolant (air), and heat that produces in the coil running and cooling air form convection current, good heat dissipation effect.Winding adopts transposed conductor to carry out coiling and compares with multiply and rich lead, not only reduced volume of transformer, reduced the transformer cost, main is to have reduced transformer because caused circulation supplementary load loss of stray field and eddy current loss, improve the winding mechanical strength simultaneously, strengthened the mechanical stability of Transformer Winding when short circuit.Yoke clip piece is welded by channel-section steel and square iron, guarantees that folder can sustain the weight of transformer body, sling the device body or the iron core of energy safety, and when transformer is short-circuited, bear the axial force that coil produces, and can keep noise to drop to floor level.Iron core is formed by the step-lap laminated stack, because this species stage has avoided the local unit loss to be higher than the several-fold phenomenon of other sections unshakable in one's determination by seam, make iron core under the identical situation of magnetic flux density, can reduce the weight of core material, thereby improve the technical-economic index of transformer greatly.Plug the gap with insulating rod with the fagging four directions is fixing between core limb and inner winding, fixing in many ways between inner winding and outside winding with equally distributed a plurality of moulding stays, can make transformer have very high mechanism's intensity.The thermosetting strong convection that air quantity that blower fan produces in the running and transformer coil produce is accelerated to carry out heat exchange between coil and cooling air.Carry out multipoint positioning to hanging between screw rod location, device body bottom and the housing by foundation bolt with many between device body and the housing, the location round steel that leaves the gap between housing sidewall welding and the device body folder positions, then can guarantee under the situation of waving significantly that is hit device body non-displacement, non-loosening and do not deform.
As optimization, high and low pressure side is all at the case lid cabling on cable rack, and the case lid top installs the high-voltage cable box of encapsulation bushing additional, and inlet wire connects with insulated cable.So design can prevent the corrosion of salt fog moisture to the bushing shell for transformer conducting rod.
As optimization, outlet copper bar and conductive component band plated silver finish, firm band of iron metal cadmium plating protective layer, tank surface is coated with lacquer with application naval vessel, shot-peening method rust cleaning back.So design can prevent the corrosion of salt fog, damp and hot and mould.
As optimization, transposition coiling lead is that the coiling of enamel-cover strip conductor continuous shifting adds the bag insulating paper again.So design, more favourable reduction transformer strengthens the mechanical stability of Transformer Winding when short circuit because caused circulation supplementary load loss of stray field and eddy current loss improve the winding mechanical strength.
As optimization, be the frequency control transformer.So design more conveniently is used for the speed governing of platform heavy-duty motor.
After adopting technique scheme, that the utility model offshore platform transformer has is corrosion-resistant, erosiveness is strong, and anti-vibration, impact property are good, insulation and heat dispersion excellence, loss is low, and noise is little, can satisfy the advantage of marine severe environmental conditions and dependable performance fully.
Description of drawings
Fig. 1 is the structural representation of the device body detent mechanism of the utility model offshore platform transformer;
Fig. 2 is that the B-B of Fig. 1 is to view;
Fig. 3 is the face upwarding assumption diagram of Fig. 1;
Fig. 4 is the structural representation of the core limb of the utility model offshore platform transformer, inner winding and outside winding part;
Fig. 5 is the high pressure winding of the utility model offshore platform transformer and the structural representation of High-Voltage Insulation tube part thereof;
Fig. 6 is the structural representation that forms air flue between the high and low pressure coil of the utility model offshore platform transformer and insulating cylinder and the core limb;
Fig. 7 is the blower fan of the utility model offshore platform transformer and the structural representation of the equipped form of coil;
Fig. 8 is the structural representation of the transposed conductor of the utility model offshore platform transformer;
Fig. 9 is the structural representation of the iron yoke clamping part of the utility model offshore platform transformer;
Figure 10 be the utility model offshore platform transformer be ladder seam lamination figure.
Embodiment
Do further explanation below in conjunction with accompanying drawing and instantiation:
Shown in Fig. 1,2 and 3,1 for square iron and insulation, 2 for steel washer, 3 for other screw rod, 4 for the high-pressure side folder, 5 for unshakable in one's determination, 6 for the low-pressure side folder, 7 for ground strip, 8 for the folder insulation, 9 for the pad pin, 10 for pad pin insulation, 11 be that cushion block, 12 is for drawing screw rod.Hang between screw rod location, device body bottom and the housing with two pairs between device body and the housing and carry out six point locations by foundation bolt, the location round steel that leaves the gap between housing sidewall welding and the device body folder positions.Be device body ten point locations: three pad pin of device body bottom constitute six point locations, fix by bolt, nut and housing bottom; The device body is hung screw rod and is directly protruded upward housing, and four are hung screw rod and form four point locations.Thereby form the general frame of winding unshakable in one's determination.
As shown in Figure 4,22 is that core limb, 13 is that insulating rod, 14 is that moulding stay, 15 is that outside winding, 16 is that inner winding, 17 is fagging.Plug the gap with insulating rod with the fagging four directions is fixing between core limb and inner winding, fixing in many ways between inner winding and outside winding with equally distributed a plurality of moulding stays.Specifically: core limb adopts the fixedly colligation of half-dried epoxy adhesive tape, and capacity smaller transformer iron core can directly colligation on core limb; Big device transformer fills up with insulating rod on the appropriate location in iron core formed " angles " at different levels before colligation.Adopt the fagging four directions fixing between core limb and the inner winding, adopt the stay all directions or ten sides of moulding fixing between inner winding and the outside winding.Can make transformer have very high mechanism's intensity.
As shown in Figure 5,18 is that High-Voltage Insulation tube, 19 is that vertical air flue, 20 is that axial air flue, 21 is the high pressure winding.The cake formula structure of high pressure winding is provided with vertical air flue of 5～8mm between per two adjacent cakes; Adopt the moulding stay between high pressure winding and insulating cylinder at interval, form an axial air flue,, make each position of each cake of coil can both directly contact cooling air by the vertical setting that reaches axial air flue of coil, area of dissipation is big, effective, can avoid the local overheating of winding.
As shown in Figure 6,22 is that core limb, 23 is that low-voltage insulation tube, 18 is that High-Voltage Insulation tube, 20 is that axial air flue, 241 is that high-tension coil, 242 is low-voltage coil.The low pressure winding adopts the layer coil structure, between the every interlayer of coil and coil and high pressure cylinder axial air flue is set, and the be in operation heat of generation of winding is distributed easily.
As shown in Figure 7,25 is that folder, 24 is that coil, 26 is blower fan.3 top-blown cooling blowers are respectively installed in transformer high and low pressure side bottom, select the blower fan model according to the size of transformer capacity.The thermosetting strong convection that air quantity that blower fan produces in the running and transformer coil produce is accelerated to carry out heat exchange between coil and cooling air.
As shown in Figure 8,27 is that overall budget turn insulation paper, 28 is that enamel-cover strip conductor, 29 is middle lining paper.Winding adopts transposed conductor to carry out coiling.Transposed conductor adopts from start to finish little spacing, continuous circulation transposition to add the bag insulation again and forms.Compare with multiply and rich lead, not only reduced volume of transformer, reduced the transformer cost, main is to have reduced transformer because caused circulation supplementary load loss of stray field and eddy current loss, improve the winding mechanical strength simultaneously, strengthened the mechanical stability of Transformer Winding when short circuit.
As shown in Figure 9,25 be folder, 30 for square iron, 31 for square iron insulation, 32 be sleeper.The clamping means of iron yoke adopt " square iron " structure in bight unshakable in one's determination.The effect of square iron also makes between folder from top to bottom and the iron core and locatees except clamping the iron yoke, guarantees that folder can sustain the weight of transformer body, sling the device body or the iron core of energy safety, and when transformer is short-circuited, bear the axial force that coil produces.
As shown in figure 10, a) vertically (A, B) and horizontal (C, D) staggers, b) stem of step-lap laminated (on) and the step-lap laminated of following yoke (descending).The step-lap laminated stack that adopts unshakable in one's determination.Because this species stage has avoided the local unit loss to be higher than the several-fold phenomenon of other sections unshakable in one's determination by seam, makes iron core under the identical situation of magnetic flux density, can reduce the weight of core material, thereby improve the technical-economic index of transformer greatly.
The folder of transformer and housing parts, treat that various parts and screwed hole etc. machine after, carry out bead.Shot-peening is that the compressed air with certain pressure sprays steel sand in surface of the work; the impulsive force of utilizing the high speed steel sand comes off the oxide skin of surface of steel plate and rusty stain, stain; expose fresh metal surface, be not subjected to atmospheric corrosion thereby the adhesive force of assurance finish coatings plays the protection metal.If do not carry out bead, japanning can not directly contact with the metal surface adheres to, but the oxide layer during with rolled plate is adhered to, if greasy dirt is arranged in the course of processing again, adhering to will worse (lacquer be coated on the oil film), though it is also of no avail to prime like this, in a short period of time, priming paint will come off, and the table lacquer is also just useless certainly.
Be that methods for cooling is a dry type, high-tension coil is the cake formula, and low-voltage coil is a cartridge type, and winding is by the multiply winding transposition wire; High-tension coil is provided with vertical air flue between per two adjacent cakes, be partitioned into axial air flue with the moulding stay between high pressure winding and insulating cylinder, between the low-voltage coil and between coil and high pressure cylinder axial air flue is set, and the high-voltage coil and low-voltage coil bottom is provided with the top-blown cooling blower; Unshakable in one's determination form and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack, plug the gap with insulating rod with the fagging four directions is fixing between core limb and inner winding, fixing in many ways with equally distributed a plurality of moulding stays between inner winding and outside winding, yoke clip piece is welded by channel-section steel and square iron; Carry out multipoint positioning to hanging between screw rod location, device body bottom and the housing by foundation bolt with many between device body and the housing, the location round steel that leaves the gap between housing sidewall welding and the device body folder positions.High and low pressure side is all at the case lid cabling on cable rack, and the case lid top installs the high-voltage cable box of encapsulation bushing additional, and inlet wire connects with insulated cable.Outlet copper bar and conductive component band plated silver finish, firm band of iron metal cadmium plating protective layer, tank surface is coated with lacquer with application naval vessel, shot-peening method rust cleaning back.Transposition coiling lead is that the coiling of enamel-cover strip conductor continuous shifting adds the bag insulating paper again.
Claims (5)
1, a kind of offshore platform transformer is characterized in that methods for cooling is a dry type, and high-tension coil is the cake formula, and low-voltage coil is a cartridge type, and winding is by the multiply winding transposition wire; High-tension coil is provided with vertical air flue between per two adjacent cakes, be partitioned into axial air flue with the moulding stay between high pressure winding and insulating cylinder, between the low-voltage coil and between coil and high pressure cylinder axial air flue is set, and the high-voltage coil and low-voltage coil bottom is provided with the top-blown cooling blower; Unshakable in one's determination form and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack, plug the gap with insulating rod with the fagging four directions is fixing between core limb and inner winding, fixing in many ways with equally distributed a plurality of moulding stays between inner winding and outside winding, yoke clip piece is welded by channel-section steel and square iron; Carry out multipoint positioning to hanging between screw rod location, device body bottom and the housing by foundation bolt with many between device body and the housing, the location round steel that leaves the gap between housing sidewall welding and the device body folder positions.
2, offshore platform transformer according to claim 1 is characterized in that high and low pressure side all at the case lid cabling on cable rack, and the case lid top installs the high-voltage cable box of encapsulation bushing additional, and inlet wire connects with insulated cable.
3, offshore platform transformer according to claim 2 is characterized in that outlet copper bar and conductive component band plated silver finish, firm band of iron metal cadmium plating protective layer, and tank surface is coated with lacquer with application naval vessel, shot-peening method rust cleaning back.
4, according to claim 1,2 or 3 described offshore platform transformers, the coiling lead that it is characterized in that replacing is that the coiling of enamel-cover strip conductor continuous shifting adds the bag insulating paper again.
5, offshore platform transformer according to claim 5 is characterized in that it being the frequency control transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129710 CN2796043Y (en) | 2005-10-17 | 2005-10-17 | Platform transformer on sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129710 CN2796043Y (en) | 2005-10-17 | 2005-10-17 | Platform transformer on sea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796043Y true CN2796043Y (en) | 2006-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520129710 Expired - Fee Related CN2796043Y (en) | 2005-10-17 | 2005-10-17 | Platform transformer on sea |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796043Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437845C (en) * | 2005-10-17 | 2008-11-26 | 谭勇 | Offshore platform transformer |
| CN102364635A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Transformer |
| CN102110521B (en) * | 2009-12-25 | 2013-01-23 | 上海宝钢设备检修有限公司 | Bias seam method for laminated iron core of transformer |
| CN103515062A (en) * | 2013-09-23 | 2014-01-15 | 保定天威集团有限公司 | Transformer structure high in short circuit resistance |
| CN105976998A (en) * | 2016-07-19 | 2016-09-28 | 无锡希恩电气有限公司 | Large-power transformer structure |
| CN106057441A (en) * | 2016-08-18 | 2016-10-26 | 吴江变压器有限公司 | Oil-immersed transformer body reinforcement structure capable of enhancing short-circuit withstand ability |
| CN106981356A (en) * | 2017-05-26 | 2017-07-25 | 云南电网有限责任公司电力科学研究院 | A kind of distribution transformer based on glass fibre band winding |
-
2005
- 2005-10-17 CN CN 200520129710 patent/CN2796043Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437845C (en) * | 2005-10-17 | 2008-11-26 | 谭勇 | Offshore platform transformer |
| CN102110521B (en) * | 2009-12-25 | 2013-01-23 | 上海宝钢设备检修有限公司 | Bias seam method for laminated iron core of transformer |
| CN102364635A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Transformer |
| CN103515062A (en) * | 2013-09-23 | 2014-01-15 | 保定天威集团有限公司 | Transformer structure high in short circuit resistance |
| CN105976998A (en) * | 2016-07-19 | 2016-09-28 | 无锡希恩电气有限公司 | Large-power transformer structure |
| CN106057441A (en) * | 2016-08-18 | 2016-10-26 | 吴江变压器有限公司 | Oil-immersed transformer body reinforcement structure capable of enhancing short-circuit withstand ability |
| CN106981356A (en) * | 2017-05-26 | 2017-07-25 | 云南电网有限责任公司电力科学研究院 | A kind of distribution transformer based on glass fibre band winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NEWONDER SPECIAL ELECTRIC CO., LTD. Free format text: FORMER OWNER: TAN YONG Effective date: 20101203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100025 BEIJING NEWONDER SPECIAL ELECTRIC CO., LTD., YAOJIAYUAN, NORTH EXIT OF QINGNIAN ROAD, CHAOYANG DISTRICT, BEIJING TO: 100025 NO.106, BUILDING 1, NO.6, QINGNIAN ROAD, CHAOYANG DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101203 Address after: 100025 No. 1, building 6, No. 106, Chaoyang District, Beijing, Qingnian Road Patentee after: Newonder Special Electric Co., Ltd. Address before: 100025 Beijing City, Chaoyang District Beijing City, Qingnian Road North Yaojieyuan xinhuadu Special Transformer Co. Ltd. Patentee before: Tan Yong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 Termination date: 20131017 |