EP3025359B1 - A preassembled transformer substation - Google Patents

A preassembled transformer substation Download PDF

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Publication number
EP3025359B1
EP3025359B1 EP13811783.3A EP13811783A EP3025359B1 EP 3025359 B1 EP3025359 B1 EP 3025359B1 EP 13811783 A EP13811783 A EP 13811783A EP 3025359 B1 EP3025359 B1 EP 3025359B1
Authority
EP
European Patent Office
Prior art keywords
roof
wall body
ridge
modules
transformer substation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13811783.3A
Other languages
German (de)
French (fr)
Other versions
EP3025359A1 (en
Inventor
Ivan PEDERSEN
Jin Lou LIU
Liang Wang
Lu LIN
Yao Ming Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Schweiz AG
Original Assignee
ABB Schweiz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Publication of EP3025359A1 publication Critical patent/EP3025359A1/en
Application granted granted Critical
Publication of EP3025359B1 publication Critical patent/EP3025359B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plantsĀ or factories
    • E04H5/04—Transformer houses; Substations or switchgear houses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings

Definitions

  • the present invention relates to the field of electric power products, and specifically to a preassembled transformer substation used in the transmission and distribution system.
  • the traditional preassembled box-type transformer substation uses an outer case material mainly including metal plate material and cement plate material.
  • the outer case box of metal material can be made quickly, but is vulnerable to corrosion, and has a relatively high dependency on the environment and a poor capability of insulation for sound and heat; while the outer case box of cement of the preassembled transformer substation has a strong capability of corrosion resistance, but needs a long time to be made and installed and is relatively difficult for offsite assembly.
  • So such boxes or enclosures are made of concrete or steel, or combinations of both.
  • steel as well as concrete are electric conductors.
  • steel or concrete can cause condensation of humity at the cold side of the wall. Examples for substations made of insulating material are disclosed in US 2012/216393 A1 and US 3 599 134 A . But the construction as well as the choice of material of componts are not optimized in sense of dielectric withstand.
  • the objective of the present invention is to overcome the defect of the prior art and provide a preassembled transformer substation, resistant in corrosion, electrically insulating against the environment and simple and fast in installing.
  • a preassembled transformer substation is provided having the features of claim 1.
  • Preferred embodiments are specified in the dependent claims.
  • the use of pultrusion technique for the manufacture of the elements of the substation is for obtaining electrical insulation behavior, for a better dielectric behavior and to enlarge the creepage distances.
  • the substation is made of glass fiber reinforced Polyester, so called GRP).
  • GRP glass fiber reinforced Polyester
  • the enclosure of the substation so fulfills ingress protection degree IP 54; and that for the use of station for medium- and high-voltage application.
  • the following beneficial effects can be achieved: as the assembling module and the like are glass fiber reinforced plastic modules, the glass fiber reinforced plastic has relatively good corrosion resistant property. Moreover, a modularized design is used to facilitate a fast installing.
  • a preassembled transformer substation comprises a plurality of strip-shaped assembling modules 1, a plurality of wall corner modules 2, connectors 3 which are located between the assembling modules 1 and the wall corner modules 2 (see figure 2 ), and a ridge 4; the assembling modules 1 are arranged longitudinally, and form, together with the wall corner modules 2 and the connectors 3, a wall body 10 and a door body 20 of the preassembled transformer substation; the assembling modules 1 are arranged transversely, and form, together with the ridge 4 and the connectors 3, a roof 30 of the preassembled transformer substation, wherein the ridge 4 is located at a center of the roof 30, and the assembling module 1 has one end connected with the ridge 4 and the other end inclined downward; each of the assembling module 1, the wall corner module 2, the connector 3 and the ridge 4 is a glass fiber reinforced plastic module.
  • the assembling modules 1 forming the wall body 10 and the door body 20 and the assembling modules 1 supporting the roof 30 are made of the same material, wherein the wall body 10, the door body 20 and the roof 30 have the same die section, but are different in length only. Between the adjacent assembling modules 1, and between the assembling module 1 and the wall corner module 2 are inserted for securing by the connector 3, without need of rivets or screws, thus facilitating instalment.
  • the inventive transformer substation has a strong capability of corrosion resistance.
  • the assembling module 1 and the wall corner module 2 have a hollow bilayer structure formed by die drawing.
  • the hollow bilayer structure has excellent capability of insulation for sound and heat.
  • the connector 3 has a transverse section of I shape, both ends of the assembling module 1 and the wall corner module 2 can be inserted into two sides of the connector 3 and form an interference fit, thus functioning for secure connection.
  • the shape of the ridge 4 is similar to that of the connector 3, but two sides of the ridge 4 incline downward.
  • a roof 30 high in the middle and low on two sides is formed.
  • an edge banding 5 is coated on a bottom side 11 of the wall body 10 and an outer edge 31 of the roof 30.
  • the edge banding 5 functions for improving support and water proofing.
  • the edge banding 5 on the bottom side 11 of the wall body 10 is connected, via a base wall body metal connector 12, with a base longitudinal beam 13.
  • the base wall body metal connector 12 and the base longitudinal beam 13 function for securely supporting the whole preassembled transformer substation.
  • the roof 30 and the wall body 10 are connected by a ridge support metal part 32, a roof wall body metal connector 33 and a top rail 6;
  • the ridge support metal part 32 is arranged horizontally in a direction along the length of the assembling modules 1 of the roof 30,
  • the top rail 6 is arranged horizontally in a direction perpendicular to the ridge support metal part 32, the roof wall body metal connector 33 connects the ridge support metal part 32 and the top rail 6;
  • the top rail 6 is a glass fiber reinforced plastic module.
  • the roof wall body metal connector 33 comprises two portions, one portion is connected with the ridge support metal part 32 and the other portion is connected with the assembling modules 1 forming the wall body, and the assembling module 1 is further connected with the top rail 6.
  • the ridge support metal part 32 is installed below the ridge 4.
  • the ridge support metal part 32 functions for supporting the ridge 4.
  • a seal strip 7 is provided between the door body 20 and the wall body 10 and between the door body 20 and the roof 30, and a top seal part 8 is provided between the roof 30 and the door body 20, the seal strip 7 is inserted to the top seal part 8.
  • the seal strip 7 is located between the wall body 10 and a door hinge 21 on the side of the door body 20.
  • the seal strip 7 is located between the top seal part 8 and the top of the door body 20. The seal strip and the top seal part can function for better protection.
  • the preassembled transformer substation has a transverse section of shape, with a transformer chamber 40 in the middle and a high voltage chamber 50 and a low voltage chamber 60 at its two ends, respectively; the high voltage chamber 50 is connected by a cable or a copper busbar with a high voltage terminal of a transformer 70, and the low voltage chamber 60 is connected by a cable or a copper busbar with a low voltage terminal of a transformer 70.
  • the preassembled transformer substation has in its interior a grounding copper busbar which generally connects various grounding points.
  • a heat dissipation window 9 is provided on a door of the transformer chamber 40 and on the wall body 10, and the heat dissipation window 9 comprises a plurality of L-shaped blades 91 spaced apart with one another.
  • the preassembled transformer substation in the present invention can satisfy the requirements on distribution and transformation with a rated capacity in most areas, resistant to corrosion, simple and fast in installing, excellent in insulating property, light in weight, beautiful in appearance, and convenient for capacity regulation with its modularized design.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Patch Boards (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Building Environments (AREA)
  • Body Structure For Vehicles (AREA)

Description

    FIELD OF THE INVENTION
  • The present invention relates to the field of electric power products, and specifically to a preassembled transformer substation used in the transmission and distribution system.
    • BACKGROUND OF THE INVENTION
  • Nowadays, the traditional preassembled box-type transformer substation uses an outer case material mainly including metal plate material and cement plate material. The outer case box of metal material can be made quickly, but is vulnerable to corrosion, and has a relatively high dependency on the environment and a poor capability of insulation for sound and heat; while the outer case box of cement of the preassembled transformer substation has a strong capability of corrosion resistance, but needs a long time to be made and installed and is relatively difficult for offsite assembly.So such boxes or enclosures are made of concrete or steel, or combinations of both. Furthermore it has to be considered, that steel as well as concrete are electric conductors. One further problem is, that steel or concrete can cause condensation of humity at the cold side of the wall. Examples for substations made of insulating material are disclosed in US 2012/216393 A1 and US 3 599 134 A . But the construction as well as the choice of material of componts are not optimized in sense of dielectric withstand.
    • SUMMARY OF THE INVENTION
  • The objective of the present invention is to overcome the defect of the prior art and provide a preassembled transformer substation, resistant in corrosion, electrically insulating against the environment and simple and fast in installing.According to that the invention is, that a preassembled transformer substation is provided having the features of claim 1. Preferred embodiments are specified in the dependent claims. The use of pultrusion technique for the manufacture of the elements of the substation is for obtaining electrical insulation behavior, for a better dielectric behavior and to enlarge the creepage distances.
  • The substation is made of glass fiber reinforced Polyester, so called GRP). The enclosure of the substation so fulfills ingress protection degree IP 54; and that for the use of station for medium- and high-voltage application.
  • With the technical solutions, the following beneficial effects can be achieved: as the assembling module and the like are glass fiber reinforced plastic modules, the glass fiber reinforced plastic has relatively good corrosion resistant property. Moreover, a modularized design is used to facilitate a fast installing.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The subject matter of the Invention will be explained in more details in the following description illustrated in the drawings, in which:
    • Figure 1 is a structural diagram of a preassembled transformer substation in an embodiment of the invention.
    • Figure 2 is a partial section view of a wall body in an embodiment of the invention.
    • Figure 3 is a section view of an embodiment of an assembling module according to an embodiment of the invention.
    • Figure 4 is a section view of a wall corner module in an embodiment of the invention.
    • Figure 5 is a section view of a connector in an embodiment of the invention.
    • Figure 6 is a section view of a ridge in an embodiment of the invention.
    • Figure 7 is a partial structural diagram of a bottom of the wall body in an embodiment of the invention.
    • Figure 8 is a partial structural diagram of a structure between the wall body and the roof.
    • Figure 9 is a section view of an edge banding in an embodiment of the invention.
    • Figure 10 is a section view of a top rail in an embodiment of the invention.
    • Figure 11 is a partial structural diagram of a roof.
    • Figure 12 is a transverse partial cutaway view of a structure between the door body and the wall body in an embodiment of the invention.
    • Figure 13 is a longitudinal partial cutaway view of a structure between the door body and the roof.
    • Figure 14 is a section view of a seal strip.
    • Figure 15 is a section view of a top seal part.
    • Figure 16 a transverse cutaway view of the preassembled transformer substation.
    • Figure 17 is a side view of a heat dissipation window.
    Checking list for the reference numerals:
    • 1--assembling module
    • 2--wall corner module
    • 3-connector
    • 4-ridge
    • 5--edge banding
    • 6-top rail
    • 7--seal strip
    • 8--top seal part
    • 9--heat dissipation window
    • 10--wall body
    • 20--door body
    • 30-roof
    • 40--transformer chamber
    • 50--high voltage chamber
    • 60--low voltage chamber
    • 70-transformer
    • 11--bottom side
    • 12--base wall body metal connector
    • 13--base longitudinal beam
    • 21--door hinge
    • 31--outer edge
    • 32--ridge support metal part
    • 33--roof wall body metal connector
    • 91--blade
    DETAILED DESCRIPTION OF THE DRAWINGS
  • Exemplary embodiments of the invention are described in conjunction with the accompanying drawings hereinafter. For the sake of clarity and conciseness, not all the features of actual implementations are described in the specification.
  • As shown in figure 1, a preassembled transformer substation comprises a plurality of strip-shaped assembling modules 1, a plurality of wall corner modules 2, connectors 3 which are located between the assembling modules 1 and the wall corner modules 2 (see figure 2), and a ridge 4; the assembling modules 1 are arranged longitudinally, and form, together with the wall corner modules 2 and the connectors 3, a wall body 10 and a door body 20 of the preassembled transformer substation; the assembling modules 1 are arranged transversely, and form, together with the ridge 4 and the connectors 3, a roof 30 of the preassembled transformer substation, wherein the ridge 4 is located at a center of the roof 30, and the assembling module 1 has one end connected with the ridge 4 and the other end inclined downward; each of the assembling module 1, the wall corner module 2, the connector 3 and the ridge 4 is a glass fiber reinforced plastic module.
  • The assembling modules 1 forming the wall body 10 and the door body 20 and the assembling modules 1 supporting the roof 30 are made of the same material, wherein the wall body 10, the door body 20 and the roof 30 have the same die section, but are different in length only. Between the adjacent assembling modules 1, and between the assembling module 1 and the wall corner module 2 are inserted for securing by the connector 3, without need of rivets or screws, thus facilitating instalment. As the glass fiber reinforced plastic has relatively good corrosion resistant property, the inventive transformer substation has a strong capability of corrosion resistance.
  • As shown in figures 2-4, the assembling module 1 and the wall corner module 2 have a hollow bilayer structure formed by die drawing. The hollow bilayer structure has excellent capability of insulation for sound and heat. As shown in figure 5, the connector 3 has a transverse section of I shape, both ends of the assembling module 1 and the wall corner module 2 can be inserted into two sides of the connector 3 and form an interference fit, thus functioning for secure connection.
  • As shown in figure 6, the shape of the ridge 4 is similar to that of the connector 3, but two sides of the ridge 4 incline downward. When the assembling module 1 is inserted into the ridge 4, a roof 30 high in the middle and low on two sides is formed.
  • As shown in figures 7-8, an edge banding 5 is coated on a bottom side 11 of the wall body 10 and an outer edge 31 of the roof 30. The edge banding 5 functions for improving support and water proofing. As shown in figures 7 and 9, the edge banding 5 on the bottom side 11 of the wall body 10 is connected, via a base wall body metal connector 12, with a base longitudinal beam 13. The base wall body metal connector 12 and the base longitudinal beam 13 function for securely supporting the whole preassembled transformer substation.
  • As shown in figures 8 and 10, the roof 30 and the wall body 10 are connected by a ridge support metal part 32, a roof wall body metal connector 33 and a top rail 6; the ridge support metal part 32 is arranged horizontally in a direction along the length of the assembling modules 1 of the roof 30, the top rail 6 is arranged horizontally in a direction perpendicular to the ridge support metal part 32, the roof wall body metal connector 33 connects the ridge support metal part 32 and the top rail 6; the top rail 6 is a glass fiber reinforced plastic module. The roof wall body metal connector 33 comprises two portions, one portion is connected with the ridge support metal part 32 and the other portion is connected with the assembling modules 1 forming the wall body, and the assembling module 1 is further connected with the top rail 6.
  • As shown in figure 11, the ridge support metal part 32 is installed below the ridge 4. The ridge support metal part 32 functions for supporting the ridge 4.
  • As shown in figures 12-15, a seal strip 7 is provided between the door body 20 and the wall body 10 and between the door body 20 and the roof 30, and a top seal part 8 is provided between the roof 30 and the door body 20, the seal strip 7 is inserted to the top seal part 8. In figure 12, the seal strip 7 is located between the wall body 10 and a door hinge 21 on the side of the door body 20. In figure 13, the seal strip 7 is located between the top seal part 8 and the top of the door body 20. The seal strip and the top seal part can function for better protection.
  • As shown in figure 16, the preassembled transformer substation has a transverse section of shape, with a transformer chamber 40 in the middle and a high voltage chamber 50 and a low voltage chamber 60 at its two ends, respectively; the high voltage chamber 50 is connected by a cable or a copper busbar with a high voltage terminal of a transformer 70, and the low voltage chamber 60 is connected by a cable or a copper busbar with a low voltage terminal of a transformer 70. The preassembled transformer substation has in its interior a grounding copper busbar which generally connects various grounding points.
  • As shown in figure 1 and 17, a heat dissipation window 9 is provided on a door of the transformer chamber 40 and on the wall body 10, and the heat dissipation window 9 comprises a plurality of L-shaped blades 91 spaced apart with one another.
  • The preassembled transformer substation in the present invention can satisfy the requirements on distribution and transformation with a rated capacity in most areas, resistant to corrosion, simple and fast in installing, excellent in insulating property, light in weight, beautiful in appearance, and convenient for capacity regulation with its modularized design.

Claims (6)

  1. A preassembled transformer substation
    comprising
    - a plurality of strip-shaped assembling modules (1),
    - a plurality of wall corner modules (2),
    - connectors (3) located between adjacent strip-shaped assembling modules (1) and between the wall corner modules (2) and adjacent strip-shaped assembling modules (1),
    - a wall body (10) which is made from the plurality of strip-shaped assembling modules (1),
    - a roof (30), which is made of other strip-shaped assembling modules (1),
    characterized by
    - a door comprising a door body (20) fixed at the wall body (10) with hinges (21), wherein the door body (20) is made of strip-shaped assembling modules (1),
    - a ridge (4), being located at a middle of the roof (30), wherein the roof (30) of the preassembled transformer substation is formed by the other strip-shaped assembling modules (1) together with the ridge (4) and the connectors (3), wherein the other strip-shaped assembling modules (1) are disposed on both sides of the ridge (4) and have a first end connected with the ridge (4) and a second end which is parallel to the first end and is inclined downward toward the wall body (10) so as to form the roof (30) which has an high portion close to the ridge (4) and two lower portions close to second end portions of the assembling modules (1),
    wherein the roof (30) and the wall body (10) are connected by a ridge support metal part (32) installed below the ridge (4), a top rail (6) and a roof wall body metal connector (33), wherein the roof wall body metal connector (33) connects, the ridge support metal part (32) and the top rail (6),
    wherein the wall body (10), the door body (20), the top rail (6), the roof (30), the plurality of wall corner modules (2), the connectors (3) and the ridge (4) are made by pultrusion profiles of insulating material, wherein the insulating material is plastic or glasfiber reinforced Polyester, wherein the wall body (10), the roof (30), and the door body (20) are made in double layer insulating material with approximately 40 millimeter air distance between each layer, and wherein the hinges (21) of the door have fixation flanges being arranged in parallel and inside a space between an edge of the door body (20) and an edge of the wall body (10).
  2. A preassembled transformer substation according to claim 1,
    wherein each of the connectors (3) is a glass fiber reinforced plastic module.
  3. A preassembled transformer substation according to claim 1 or 2,
    wherein the assembling modules (1) and the wall corner modules (2) have a hollow die drawn bilayer structure.
  4. A preassembled transformer substation according to claim 3, wherein the connector (3) has a transverse section of I -shape.
  5. A preassembled transformer substation according to claim 1 or 2,
    wherein
    the wall body (10) has a bottom side (11) and a top side, wherein the bottom side (11) is parallel to the top side, wherein the top side is facing an outer edge (31) of the roof (30) and wherein an edge banding (5) is coated on:
    - the bottom side (11) of the wall body (10); and
    - the outer edge (31) of the roof (30).
  6. A preassembled transformer substation according to claim 5, wherein the edge banding (5) on the bottom side (11) of the wall body (10) is connected, via a base wall body metal connector (12), with a base longitudinal beam (13).
EP13811783.3A 2013-07-26 2013-11-28 A preassembled transformer substation Active EP3025359B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201320453033.2U CN203415883U (en) 2013-07-26 2013-07-26 Preassembled transformer substation
PCT/EP2013/003602 WO2015010708A1 (en) 2013-07-26 2013-11-28 A preassembled transformer substation

Publications (2)

Publication Number Publication Date
EP3025359A1 EP3025359A1 (en) 2016-06-01
EP3025359B1 true EP3025359B1 (en) 2021-07-07

Family

ID=49880671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13811783.3A Active EP3025359B1 (en) 2013-07-26 2013-11-28 A preassembled transformer substation

Country Status (4)

Country Link
EP (1) EP3025359B1 (en)
CN (2) CN203415883U (en)
AU (1) AU2013395206B2 (en)
WO (1) WO2015010708A1 (en)

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CN109296230B (en) * 2018-11-09 2023-08-25 尤利協ļ¼ˆę±Ÿč‹ļ¼‰é›†ęˆē”µę°”ęœ‰é™å…¬åø Assembled transformer substation complete machine structure
CN111927137A (en) * 2020-08-11 2020-11-13 å¹æäøœē”µē½‘ęœ‰é™č“£ä»»å…¬åøå¹æ州供ē”µå±€ Installation method of double-layer power distribution room
CN112615284B (en) * 2020-12-30 2024-12-27 ę²³å—äø­ęŽ§ē”µę°”ęœ‰é™å…¬åø A combined assembled box-type substation and assembly method thereof
CN113463954B (en) * 2021-07-02 2022-10-28 å¹æäøœē”µē½‘ęœ‰é™č“£ä»»å…¬åø 110kv urban transformer substation arrangement system
CN114122961B (en) * 2021-11-26 2024-02-20 ę³°å®‰åø‚å…°å±±ē”µę°”ęœ‰é™å…¬åø Preassembled box-type transformer substation and use method
CN114123003B (en) * 2021-11-27 2024-09-06 ę±Ÿč„æę˜Žę­£å˜ē”µč®¾å¤‡ęœ‰é™å…¬åø Intelligent preassembled transformer substation
CN115313228B (en) * 2022-08-29 2025-07-22 ē‰¹å˜ē”µå·„äŗ¬ę“„冀ę™ŗčƒ½ē§‘ęŠ€ęœ‰é™å…¬åø Modularized box-type substation shell and assembly method thereof
CN116791938A (en) * 2023-06-20 2023-09-22 äøŠęµ·ę€ęŗč¾“配ē”µå·„ēØ‹ęœ‰é™å…¬åø Split assembled prefabricated cabin for accommodating large transformer
CN117578252A (en) * 2023-12-12 2024-02-20 ęµ·å—é‡‘ē›˜ę™ŗčƒ½ē§‘ęŠ€č‚”ä»½ęœ‰é™å…¬åø A 66KV fully insulated dry-type transformer prefabricated substation

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Also Published As

Publication number Publication date
AU2013395206B2 (en) 2017-05-11
CN105518812B (en) 2018-05-01
WO2015010708A1 (en) 2015-01-29
CN105518812A (en) 2016-04-20
EP3025359A1 (en) 2016-06-01
CN203415883U (en) 2014-01-29
AU2013395206A1 (en) 2016-02-11

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