CN210778182U - Wind energy and solar energy power generation integrated transformer - Google Patents
Wind energy and solar energy power generation integrated transformer Download PDFInfo
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- CN210778182U CN210778182U CN201921632797.1U CN201921632797U CN210778182U CN 210778182 U CN210778182 U CN 210778182U CN 201921632797 U CN201921632797 U CN 201921632797U CN 210778182 U CN210778182 U CN 210778182U
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Abstract
The utility model discloses a wind energy and solar energy power generation integrated transformer, which comprises a low-voltage coil and a high-voltage coil sleeved outside the low-voltage coil; the method is characterized in that: a low-voltage coil: the winding direction of the upper and lower low-voltage coils is opposite; the transformer ratios of the upper low-voltage coil and the lower low-voltage coil are different, the turns are unequal, the longitudinal sizes and the transverse sizes of the upper low-voltage coil and the lower low-voltage coil are different, and the consistency of the longitudinal sizes and the transverse sizes of the upper coil and the lower coil is ensured by increasing the supplementary difference size values of the interlayer insulating part and the end insulating part of the upper coil or the lower coil. The utility model can be fully and reasonably utilized in the same area, and the current situation that two setting and conveying transformers are needed to convey is changed into a setting and conveying shared transformer by utilizing wind power generation and solar power generation; effectively reduces the construction complexity, one-time investment cost and later maintenance cost of corresponding corollary equipment.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a wind energy and solar energy power generation integrated transformer which is a shared transformer for setting and conveying power generated by wind energy and solar energy in the same region.
Background
At present, the state advocates the development of renewable energy resources vigorously, most areas utilizing wind energy to generate electricity have sufficient solar illumination, and how to fully and reasonably utilize the wind energy and the solar energy in the same area to generate electricity simultaneously; at present, if wind energy and solar energy in the same region are used for power generation, one transformer cannot realize common setting transmission, and two transformers are needed for setting transmission; therefore, the construction of corresponding matched equipment is complex, and one-time investment cost and subsequent maintenance cost are increased.
Disclosure of Invention
The invention provides a wind energy and solar energy power generation integrated transformer which is simple in structure, low in cost and low in maintenance cost, and is a shared transformer for integrated setting and conveying by utilizing wind energy and solar energy power generation in the same region to make up the defects of the prior art.
The invention is realized by the following technical scheme:
the invention relates to a wind energy and solar energy power generation integrated transformer, which comprises a low-voltage coil and a high-voltage coil sleeved outside the low-voltage coil; the method is characterized in that:
a low-voltage coil: the low-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation low-voltage coil, and the other coil is a solar power generation low-voltage coil; the low-voltage coil is respectively wound on a formed insulating paper tube, and the winding directions of an upper low-voltage coil and a lower low-voltage coil are opposite; the output voltage of wind energy and solar energy power generation equipment is unequal, the transformation ratio of an upper low-voltage coil and a lower low-voltage coil is different, the number of turns is unequal, and the longitudinal size and the transverse size of the upper low-voltage coil and the lower low-voltage coil are inconsistent; the laminated wood insulating end ring is additionally arranged between the upper low-voltage coil and the lower low-voltage coil.
High-voltage coil: the high-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation high-voltage coil, and the other coil is a solar power generation high-voltage coil; firstly adding an insulating paper tube outside the wound low-voltage coil, then adding a layer of heat dissipation oil duct, then adding the insulating paper tube outside the heat dissipation oil duct, winding an upper coil and a lower coil of the high-voltage coil on the formed insulating paper tube, wherein the winding direction is wound according to the winding direction of the upper low-voltage coil and the winding direction of the lower low-voltage coil, and the consistency of the winding direction of the upper high-voltage coil and the winding direction of the lower high-voltage coil and the winding direction of the upper low-voltage coil and the winding direction of the lower low-voltage coil; the consistency of the longitudinal and transverse sizes of the upper coil and the lower coil is ensured by increasing the supplementary phase difference size value of the interlayer insulating part and the end insulating part of the upper coil or the lower coil; the laminated wood insulation end ring is additionally arranged between the upper high-voltage coil and the lower high-voltage coil for isolation; and a molded insulating paper tube is sleeved outside the high-voltage coil.
After the high-voltage coil and the low-voltage coil are wound and formed, A, B, C three-phase coils are respectively sleeved on an iron core column, and the iron core column is formed by cutting, stacking and forming high-quality grain-oriented silicon steel sheets; after the upper and lower coils of the high-voltage coil are connected in parallel, A, B, C three phases are connected into a whole in a Y shape according to the phase sequence and are led out by a lead; the three-phase coils a, b and c at the upper part of the low-voltage coil are connected in a triangular mode, and the three-phase coils a, b and c at the lower part of the low-voltage coil are connected in a triangular mode.
In order to facilitate the work of the lead wire, in the low-voltage coil, the upper coil is provided with a head outgoing wire and a tail outgoing wire from the upper end, and the lower coil is provided with a head outgoing wire and a tail outgoing wire from the lower end;
in order to facilitate the work of the lead wire, in the high-voltage coil, the upper coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire from the upper end, and the lower coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire from the lower end.
The oil ducts are respectively arranged in the upper coil and the lower coil of the low-voltage coil, the oil ducts are respectively arranged in the upper coil and the lower coil of the high-voltage coil, oil duct supporting strips are arranged in the oil ducts for supporting, interlayer insulation paper is padded between the inner side of each oil duct and the corresponding coil, and interlayer insulation paper is padded between the outer side of each oil duct and the corresponding coil.
An inner hole of the low-voltage coil is sleeved on the iron core, iron core clamping pieces are respectively fixed at the upper end and the lower end of the iron core, and cross bars and vertical bars are arranged on the iron core clamping pieces; the horizontal wood and the vertical wood are respectively provided with a plurality of insulated wire clamps, the head outgoing wire and the tail outgoing wire of the low-voltage coil are respectively fixed on the horizontal wood or the vertical wood through the insulated wire clamps, the head outgoing wire and the tail outgoing wire are clamped into the grooves of the insulated wire clamps, the grooves are provided with insulated cover plates through bakelite bolts, the head outgoing wire is connected with the head leading wire through a lug, the head leading wire is provided with a low-voltage sleeve, the lug is fixed on the horizontal wood through the bakelite bolts, and the low-voltage sleeve is arranged outside the shell of the transformer; the head outgoing line, the tail outgoing line and the tap gear outgoing line of the high-voltage coil are respectively fixed on the cross beam or the vertical beam through insulated wire clamps.
The tapping gear outlet wire of the high-voltage coil is connected with a tapping lead wire, the tapping lead wire is connected with a disc-shaped tapping switch, and the disc-shaped tapping switch is installed on a shell of the transformer.
The beneficial effect of the invention is that,
the invention relates to a shared transformer for integrated and setting transmission of wind energy and solar energy in the same region, in particular to a shared transformer for setting transmission of wind energy and solar energy in the same region under 35KV level.
When the wind power generation meets the conditions and the solar power generation cannot meet the conditions, the wind power generation setting transmission can be independently utilized; when the solar power generation meets the conditions and the wind power generation cannot meet the conditions, the solar power generation can be independently utilized for setting and conveying; when the wind energy and the solar energy power generation simultaneously meet the conditions, the wind energy and the solar energy power generation can be simultaneously utilized for setting and conveying. The three power generation states do not affect the setting and conveying performance of the transformer.
The invention can be fully and reasonably utilized in the same region, and changes the current situation that two setting and conveying transformers are needed for conveying into a setting and conveying shared transformer by utilizing wind power generation and solar power generation; effectively reduces the construction complexity, one-time investment cost and later maintenance cost of corresponding corollary equipment.
Drawings
The attached drawing is a structural schematic diagram of the invention.
Fig. 1 is a low voltage coil winding diagram. Fig. 2 is a wiring diagram of the low-voltage coil.
In fig. 1, 101: end insulator (end insulator), 102: oil passage stay curtain, 103: upper coil, 104 insulating end coil, 105: lower coil, 106: end insulation, 107: winding indication, 108: and (4) indicating the winding direction.
Figure 3 is a high voltage coil winding diagram. Fig. 4 is a wiring diagram of the high-voltage coil.
In fig. 3, 201: soft-angle ring, 202: insulating end ring, 203: end insulator (end insulator), 204: paper tube, 205: oil passage stay, 206: paper tube, 207: upper coil enameled wire, 208: insulating end ring, 209: oil passage stay curtain, 210: oil passage stay curtain, 211: and (4) lower coil enameled wire. 212 tap gear outlet and 213 tap gear outlet.
Fig. 5, 6 and 7 are a front view, a left view and a top view of the high-voltage coil assembly and the low-voltage coil assembly in sequence.
In fig. 5, 301: a low voltage wire clamp (including 302: cover plate); 303: a low voltage wire clamp (comprising 304: a cover plate); 305: a disc-type tap changer; 306: a low voltage wire clamp (including 307: cover plate); 308: a first lead; 309: a low voltage wire clamp (including 310: a cover plate); 311: a lug plate; 312: bakelite bolts (including 313: Bakelite nut, 314: Bakelite nut); 315: a first lead; 316 crossbar (comprising 317: stumpage); 318: wood padding; 319: tapping a lead; 320: standing; 322: low voltage wire clamps (including 321: skid); 323: a low pressure bushing.
Detailed Description
The attached drawing is an embodiment of the invention.
The invention relates to a wind energy and solar energy power generation integrated transformer, which comprises a low-voltage coil and a high-voltage coil sleeved outside the low-voltage coil;
a low-voltage coil: the low-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation low-voltage coil, and the other coil is a solar power generation low-voltage coil; the low-voltage coil is formed by winding the upper coil 103 and the lower coil 105 of the low-voltage coil on a formed insulating paper tube respectively in opposite directions; the output voltage of wind energy and solar energy power generation equipment is unequal, the transformation ratio of an upper low-voltage coil and a lower low-voltage coil is different, the number of turns is unequal, the longitudinal size and the transverse size of the upper low-voltage coil and the transverse low-voltage coil are different, and the consistency of the longitudinal size and the transverse size of the upper coil and the lower coil is ensured by adding the difference size values between an interlayer insulating part of the upper coil or the lower coil and end insulating parts 101 and 106; the upper and lower low voltage coils are isolated from each other by an additional laminated wood insulating end ring 104.
High-voltage coil: the high-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation high-voltage coil, and the other coil is a solar power generation high-voltage coil; on the outside of the wound low-voltage coil, firstly adding a formed insulating paper tube 204, then adding a layer of heat-radiating oil duct (an oil duct stay 205 is installed in the heat-radiating oil duct), then adding a formed insulating paper tube 206 outside the heat-radiating oil duct, winding an upper coil 207 and a lower coil 211 of a high-voltage coil on the formed insulating paper tube (the high-voltage coil is wound by adopting an enameled wire), wherein the winding direction is wound according to the winding direction of the upper low-voltage coil and the winding direction of the lower low-voltage coil, and the consistency of the winding direction of the upper high-voltage coil and the lower high-voltage coil and the winding direction; the consistency of the longitudinal and transverse sizes of the upper coil and the lower coil is ensured by adding the interlayer insulating part of the upper coil or the lower coil and the end insulating part 203 to supplement the phase difference size value; the laminated wood insulating end ring 208 is additionally arranged between the upper high-voltage coil and the lower high-voltage coil for isolation; and a molded insulating paper tube is sleeved outside the high-voltage coil.
After the high-voltage coil and the low-voltage coil are wound and formed, A, B, C three-phase coils are respectively sleeved on an iron core column, and the iron core column is formed by cutting, stacking and forming high-quality grain-oriented silicon steel sheets; after the upper and lower coils of the high-voltage coil are connected in parallel, A, B, C three phases are connected into a whole in a Y shape according to the phase sequence and are led out by a lead; the three-phase coils a, b and c at the upper part of the low-voltage coil are connected in a triangular mode, and the three-phase coils a, b and c at the lower part of the low-voltage coil are connected in a triangular mode.
In order to facilitate the work of the lead wire, in the low-voltage coil, the upper coil is provided with a head outgoing wire and a tail outgoing wire from the upper end, and the lower coil is provided with a head outgoing wire and a tail outgoing wire from the lower end;
in order to facilitate the lead wire work, in the high-voltage coil, the upper coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire 212 from the upper end, and the lower coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire 213 from the lower end.
Oil ducts are respectively arranged in the upper coil and the lower coil of the low-voltage coil, and oil duct stay curtains 102 or oil duct stays are arranged in the oil ducts for supporting; two layers of oil ducts are respectively arranged in the upper coil and the lower coil of the high-voltage coil, and oil duct supporting curtains 209 and 210 or oil duct supporting strips are arranged in the oil ducts for supporting; interlayer insulating paper is padded between the inner side of the oil duct and the coil, and interlayer insulating paper is padded between the outer side of the oil duct and the coil.
An inner hole of the low-voltage coil is sleeved on the iron core, iron core clamping pieces are respectively fixed at the upper end and the lower end of the iron core, and cross bars, vertical bars and skid blocks are arranged on the iron core clamping pieces; the horizontal beam and the vertical beam are respectively provided with a plurality of insulated wire clamps 301, 303, 306, 309 and 322, the head outgoing wire and the tail outgoing wire of the low-voltage coil are respectively fixed on the horizontal beam 316 or the vertical beam 317 and 320 through the insulated wire clamps, the head outgoing wire and the tail outgoing wire are clamped in the grooves of the insulated wire clamps, the grooves are provided with insulated cover plates 302, 304, 307 and 310 through bakelite bolts 312, the head outgoing wire is connected with the head leading wires 308 and 315 through a lug plate 311, the head leading wire is provided with a low-voltage sleeve 323, the lug plate is fixed on the horizontal beam through bakelite bolts, and the low-voltage sleeve is arranged outside the shell of the transformer; the head outgoing line, the tail outgoing line and the tap gear outgoing line of the high-voltage coil are respectively fixed on the cross beam or the vertical beam through insulated wire clamps.
The horizontal wood, the vertical wood and the skid are auxiliary wood insulation pieces and play a role in supporting a wire or clamping the wire. The horizontal wood can install longer horizontal insulated wire clamp or shorter vertical insulated wire clamp, and the founding wood can install vertical insulated wire clamp.
The insulated conductor clamp and the cover plate thereof are made of laminated wood, and a plurality of grooves are formed in a long strip of laminated wood along the length direction, so that the insulated conductor clamp is formed. The wire is clamped into the groove for fixing, and the cover plate is fixed outside the groove through the bakelite bolt, so that the groove is plugged. The insulated wire clamp can be adhered to the cross beam and the vertical beam, and can also be arranged on the cross beam and the vertical beam through a bakelite bolt. The crossbars and the vertical bars can be symmetrically arranged at the upper part and the lower part of the iron core clamp, and are symmetrically arranged at the front part and the rear part of the iron core clamp. The crossbars and the vertical beams at the rear part of the front part and the crossbars at the lower part of the upper part can be fastened together through bolts and firmly clamped and fixed on the iron core clamping piece. The skid can be cushioned between the iron core clamp and the high-low voltage coil. Bakelite bolts are used in places related to insulation, and metal bolts are used in places not related to insulation.
The tapping gear outlet of the high-voltage coil is connected with a tapping lead 319, the tapping lead is connected with a disc-shaped tapping switch 305, and the disc-shaped tapping switch is installed on the shell of the transformer.
The wind energy and solar energy power generation integrated transformer is manufactured as follows.
1. A low-voltage coil: the winding machine is divided into an upper coil and a lower coil, the upper coil and the lower coil are respectively wound on a formed insulating paper tube, and the directions of the upper coil and the lower coil are opposite during winding; because the output voltage of equipment utilizing wind energy and solar energy for power generation is unequal, the transformation ratio of the upper coil and the lower coil is different, the turns are unequal, and the longitudinal dimension and the transverse dimension of the coils are inconsistent, the consistency of the longitudinal dimension and the transverse dimension of the upper coil or the lower coil is ensured by adding the supplementary difference dimension value of the insulating materials between the upper coil layer or the lower coil layer and the end part; in the winding process, a laminated wood insulating end ring is additionally arranged between the upper coil and the lower coil; in order to facilitate the work of the lead wire, the upper end of the upper coil is arranged to be a head-to-tail head for leading out, and the lower end of the lower coil is arranged to be a head-to-tail head for leading out.
2. High-voltage coil: the winding direction of the high-voltage coil is wound according to the winding direction of the low-voltage coil, the winding direction of the high-voltage coil is consistent with the winding direction of the low-voltage coil, and the winding direction of the high-voltage coil is consistent with the winding direction of the low-voltage coil; the consistency of the longitudinal and transverse sizes of the upper coil and the lower coil is ensured by increasing the supplementary phase difference size value of the interlayer insulating part and the end insulating part of the upper coil or the lower coil; in the winding process, a laminated wood insulating end ring is additionally arranged between the upper coil and the lower coil; in order to facilitate the work of the lead wire, the upper end of the upper coil is provided with a head and a tail, tapping gears are used for leading out the lead wire, and the lower end of the lower coil is provided with a head and a tail, tapping gears for leading out the lead wire.
3. After the high-low voltage coil is wound and formed, A, B, C three-phase coils are respectively sleeved on an iron core column formed by shearing and stacking high-quality grain-oriented silicon steel; the three phases of the high-voltage upper coil A, B, C and the high-voltage lower coil A, B, C are connected into a whole in a Y shape according to the phase sequence and are led out by an insulated wire; the three-phase coils a, b and c of the upper coil and the lower coil of the low voltage are respectively connected in a triangular mode, the upper coil and the lower coil are separately connected, the upper coil is led out from the upper end of an insulated wire, and the lower coil is led out from the lower end of the insulated wire.
Claims (7)
1. A wind energy and solar energy power generation integrated transformer comprises a low-voltage coil and a high-voltage coil sleeved on the outer side of the low-voltage coil; it is characterized in that;
a low-voltage coil: the low-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation low-voltage coil, and the other coil is a solar power generation low-voltage coil; the low-voltage coil is respectively wound on a formed insulating paper tube, and the winding directions of an upper low-voltage coil and a lower low-voltage coil are opposite; the output voltage of wind energy and solar energy power generation equipment is unequal, the transformation ratio of an upper low-voltage coil and a lower low-voltage coil is different, the number of turns is unequal, and the longitudinal size and the transverse size of the upper low-voltage coil and the lower low-voltage coil are inconsistent; the laminated wood insulating end ring is additionally arranged between the upper low-voltage coil and the lower low-voltage coil.
2. The wind-solar power generation integrated transformer of claim 1, wherein;
high-voltage coil: the high-voltage coil is divided into an upper coil and a lower coil, wherein one coil is a wind power generation high-voltage coil, and the other coil is a solar power generation high-voltage coil; firstly adding an insulating paper tube outside the wound low-voltage coil, then adding a layer of heat dissipation oil duct, then adding the insulating paper tube outside the heat dissipation oil duct, winding an upper coil and a lower coil of the high-voltage coil on the formed insulating paper tube, wherein the winding direction is wound according to the winding direction of the upper low-voltage coil and the winding direction of the lower low-voltage coil, and the consistency of the winding direction of the upper high-voltage coil and the winding direction of the lower high-voltage coil and the winding direction of the upper low-voltage coil and the winding direction of the lower low-voltage coil; the consistency of the longitudinal and transverse sizes of the upper coil and the lower coil is ensured by increasing the supplementary phase difference size value of the interlayer insulating part and the end insulating part of the upper coil or the lower coil; the laminated wood insulation end ring is additionally arranged between the upper high-voltage coil and the lower high-voltage coil for isolation; and a molded insulating paper tube is sleeved outside the high-voltage coil.
3. The wind-solar power generation integrated transformer of claim 2, wherein; after the high-voltage coil and the low-voltage coil are wound and formed, A, B, C three-phase coils are respectively sleeved on an iron core column, and the iron core column is formed by stacking silicon steel sheets; after the upper and lower coils of the high-voltage coil are connected in parallel, A, B, C three phases are connected into a whole in a Y shape according to the phase sequence; the three-phase coils a, b and c at the upper part of the low-voltage coil are connected in a triangular mode, and the three-phase coils a, b and c at the lower part of the low-voltage coil are connected in a triangular mode.
4. The wind-solar power generation integrated transformer of claim 2, wherein; in order to facilitate the work of the lead wire, in the low-voltage coil, the upper coil is provided with a head outgoing wire and a tail outgoing wire from the upper end, and the lower coil is provided with a head outgoing wire and a tail outgoing wire from the lower end;
in order to facilitate the work of the lead wire, in the high-voltage coil, the upper coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire from the upper end, and the lower coil is provided with a head outgoing wire, a tail outgoing wire and a tapping gear outgoing wire from the lower end.
5. The wind-solar power generation integrated transformer of claim 2, wherein; the oil ducts are respectively arranged in the upper coil and the lower coil of the low-voltage coil, the oil ducts are respectively arranged in the upper coil and the lower coil of the high-voltage coil, oil duct supporting strips are arranged in the oil ducts for supporting, interlayer insulation paper is padded between the inner side of each oil duct and the corresponding coil, and interlayer insulation paper is padded between the outer side of each oil duct and the corresponding coil.
6. The wind-solar power generation integrated transformer of claim 2, wherein; an inner hole of the low-voltage coil is sleeved on the iron core, iron core clamping pieces are respectively fixed at the upper end and the lower end of the iron core, and cross bars and vertical bars are arranged on the iron core clamping pieces; the horizontal wood and the vertical wood are respectively provided with a plurality of insulated wire clamps, the head outgoing wire and the tail outgoing wire of the low-voltage coil are respectively fixed on the horizontal wood or the vertical wood through the insulated wire clamps, the head outgoing wire and the tail outgoing wire are clamped into the grooves of the insulated wire clamps, the grooves are provided with insulated cover plates through bakelite bolts, the head outgoing wire is connected with the head leading wire through a lug, the head leading wire is provided with a low-voltage sleeve, the lug is fixed on the horizontal wood through the bakelite bolts, and the low-voltage sleeve is arranged outside the shell of the transformer; the head outgoing line, the tail outgoing line and the tap gear outgoing line of the high-voltage coil are respectively fixed on the cross beam or the vertical beam through insulated wire clamps.
7. The wind-solar power generation integrated transformer of claim 2, wherein; the tapping gear outlet wire of the high-voltage coil is connected with a tapping lead wire, the tapping lead wire is connected with a disc-shaped tapping switch, and the disc-shaped tapping switch is installed on a shell of the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921632797.1U CN210778182U (en) | 2019-09-28 | 2019-09-28 | Wind energy and solar energy power generation integrated transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921632797.1U CN210778182U (en) | 2019-09-28 | 2019-09-28 | Wind energy and solar energy power generation integrated transformer |
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| Publication Number | Publication Date |
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| CN210778182U true CN210778182U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921632797.1U Active CN210778182U (en) | 2019-09-28 | 2019-09-28 | Wind energy and solar energy power generation integrated transformer |
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| Country | Link |
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| CN (1) | CN210778182U (en) |
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2019
- 2019-09-28 CN CN201921632797.1U patent/CN210778182U/en active Active
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