CN1758387A - Offshore platform transformer - Google Patents
Offshore platform transformer Download PDFInfo
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- CN1758387A CN1758387A CN 200510109328 CN200510109328A CN1758387A CN 1758387 A CN1758387 A CN 1758387A CN 200510109328 CN200510109328 CN 200510109328 CN 200510109328 A CN200510109328 A CN 200510109328A CN 1758387 A CN1758387 A CN 1758387A
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Abstract
This invention relates to a transformer on a sea platform, in which, its winding is formed by multiple transposed conductors, longitudinal gas channels are set between high voltage coils, formation bracing strips are used to isolate the windings and the insulation tube to form axial gas channels, which are formed between low voltage coils and between coils and the high voltage tube, a top-blown cooling fan is set at the bottom of the coils, bracing plates are used to fix many places between a core post and the internal winding filled with insulation bars, the places between internal and external windings are fixed by bracing strips, an U-steel and a square iron are welded to an iron yoke, multiple pairs of screw rods are used to locate the top of the device and the shell and positions between the bottom of the device and the shell are fixed by foot screws and the side wall of the shell is welded with locating round bars.
Description
Technical field
The present invention relates to a kind of power transformer, particularly relate 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 the common transformer of existing land use can not satisfy the needs of offshore oil drilling platform far away.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of prior art, a kind of offshore platform transformer that can adapt to marine severe environmental conditions is provided.
For achieving the above object, offshore platform transformer methods for cooling of the present invention is a dry type, and high-tension coil is the cake formula, and low-voltage coil is a drum type brake, 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; 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.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, unshakable in one's determination form and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack.So design, 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 unshakable in one's determination under the identical situation of magnetic flux density, can reduce the weight of core material, thereby improve the technical-economic index of transformer greatly.
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 offshore platform transformer of the present invention has is corrosion-resistant, erosiveness is strong, and anti-vibration, impact property are good, insulation and heat dispersion excellence, and 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 offshore platform transformer of the present invention;
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 offshore platform transformer of the present invention, inner winding and outside winding part;
Fig. 5 is the high pressure winding of offshore platform transformer of the present invention 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 offshore platform transformer of the present invention and insulating cylinder and the core limb;
Fig. 7 is the blower fan of offshore platform transformer of the present invention and the structural representation of the equipped form of coil;
Fig. 8 is the structural representation of the transposed conductor of offshore platform transformer of the present invention;
Fig. 9 is the structural representation of the iron yoke clamping part of offshore platform transformer of the present invention;
Figure 10 be offshore platform transformer of the present invention 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 drum type brake, 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; 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.Unshakable in one's determination form and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack.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 (6)
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 drum type brake, 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; 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 unshakable in one's determination being formed and by the fixedly colligation of semi-drying epoxy adhesive tape by the step-lap laminated stack.
3, offshore platform transformer according to claim 2 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.
4, offshore platform transformer according to claim 3 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.
5, according to claim 1,2,3 or 4 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.
6, 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 |
|---|---|---|---|
| CNB2005101093288A CN100437845C (en) | 2005-10-17 | 2005-10-17 | Offshore platform transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101093288A CN100437845C (en) | 2005-10-17 | 2005-10-17 | Offshore platform transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1758387A true CN1758387A (en) | 2006-04-12 |
| CN100437845C CN100437845C (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101093288A Active CN100437845C (en) | 2005-10-17 | 2005-10-17 | Offshore platform transformer |
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| Country | Link |
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| CN (1) | CN100437845C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723168A (en) * | 2012-06-11 | 2012-10-10 | 常熟市常源变压器有限公司 | Dry type transformer |
| CN103219121A (en) * | 2013-03-28 | 2013-07-24 | 河北优利科电气有限公司 | Air cooling coil for electromagnetic stirrer sensor for aluminum melting furnace |
| CN105308696A (en) * | 2013-07-09 | 2016-02-03 | 株式会社日立产机系统 | Molded transformer for use aboard floating off-shore power generator |
| CN105416860A (en) * | 2015-12-03 | 2016-03-23 | 无锡普天铁心股份有限公司 | Complete-sequence iron core protection device |
| CN105513751A (en) * | 2016-01-19 | 2016-04-20 | 聊城昌佳变电设备有限公司 | Dry type transformer |
| CN106663520A (en) * | 2014-09-12 | 2017-05-10 | Abb瑞士股份有限公司 | Traction transformer |
| CN107437454A (en) * | 2016-09-30 | 2017-12-05 | 熊仲金 | Main transformer new extension enters the device and method of air cooling system |
| CN109637799A (en) * | 2019-02-19 | 2019-04-16 | 江苏北辰互邦电力股份有限公司 | A kind of oil-immersed transformer assembly method |
| CN110379603A (en) * | 2019-08-06 | 2019-10-25 | 保定天威集团特变电气有限公司 | Folded appendiron core transformer and preparation method thereof |
| WO2021081977A1 (en) * | 2019-11-01 | 2021-05-06 | Abb Power Grids Switzerland Ag | Insulation assembly, transformer assembly, and dry type transformer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012144884A1 (en) * | 2011-04-18 | 2012-10-26 | Liandon B.V. | Offshore substation for a wind farm |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447920Y (en) * | 2000-09-26 | 2001-09-12 | 江苏中电设备制造公司 | High-current helical low-tension coil with longitudinal gas channel |
| CN2563726Y (en) * | 2002-08-07 | 2003-07-30 | 沈阳昊诚电气设备有限公司 | Vacuum impregnating dry transformer |
| CN2796043Y (en) * | 2005-10-17 | 2006-07-12 | 谭勇 | Platform transformer on sea |
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2005
- 2005-10-17 CN CNB2005101093288A patent/CN100437845C/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723168A (en) * | 2012-06-11 | 2012-10-10 | 常熟市常源变压器有限公司 | Dry type transformer |
| CN103219121A (en) * | 2013-03-28 | 2013-07-24 | 河北优利科电气有限公司 | Air cooling coil for electromagnetic stirrer sensor for aluminum melting furnace |
| CN105308696A (en) * | 2013-07-09 | 2016-02-03 | 株式会社日立产机系统 | Molded transformer for use aboard floating off-shore power generator |
| CN106663520A (en) * | 2014-09-12 | 2017-05-10 | Abb瑞士股份有限公司 | Traction transformer |
| US10629352B2 (en) | 2014-09-12 | 2020-04-21 | Abb Schweiz Ag | Traction transformer |
| CN105416860A (en) * | 2015-12-03 | 2016-03-23 | 无锡普天铁心股份有限公司 | Complete-sequence iron core protection device |
| CN105513751A (en) * | 2016-01-19 | 2016-04-20 | 聊城昌佳变电设备有限公司 | Dry type transformer |
| CN107437454A (en) * | 2016-09-30 | 2017-12-05 | 熊仲金 | Main transformer new extension enters the device and method of air cooling system |
| CN109637799A (en) * | 2019-02-19 | 2019-04-16 | 江苏北辰互邦电力股份有限公司 | A kind of oil-immersed transformer assembly method |
| CN110379603A (en) * | 2019-08-06 | 2019-10-25 | 保定天威集团特变电气有限公司 | Folded appendiron core transformer and preparation method thereof |
| WO2021081977A1 (en) * | 2019-11-01 | 2021-05-06 | Abb Power Grids Switzerland Ag | Insulation assembly, transformer assembly, and dry type transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100437845C (en) | 2008-11-26 |
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Owner name: NEWONDER SPECIAL ELECTRIC CO., LTD. Free format text: FORMER OWNER: TAN YONG Effective date: 20101230 |
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Free format text: CORRECT: ADDRESS; FROM: 100025 BEIJING NEW HUADU SPECIAL-TYPE TRANSFORMER CO., LTD., YAOJIANYUAN, NORTH INTERSECTION OF QINGNIAN ROAD, CHAOYANG DISTRICT, BEIJING TO: 100025 NO.106, BUILDING 1, NO.6, QINGNIAN ROAD, CHAOYANG DISTRICT, BEIJING |
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Effective date of registration: 20101230 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 |
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Effective date of registration: 20180321 Address after: Room 182, seat A, No. 18, 18 West Ring Road, Beijing economic and Technological Development Zone, Beijing Patentee after: Beijing Xinte Electric Co.,Ltd. Address before: 100025 No. 1, building 6, No. 106, Chaoyang District, Beijing, Qingnian Road Patentee before: Newonder Special Electric Co., Ltd. |