Prefabricated bus for integrated transformer platform and preparation method of prefabricated bus
A technology for transformers and busbars is applied in the field of prefabricated busbars for integrated transformer tables and their preparation, which can solve the problems of high cost, complicated installation and large volume, and achieve the effects of low cost, good insulation effect and good flame retardant performance.
Active Publication Date: 2018-07-06
台州永创电气有限公司
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Problems solved by technology
In this structure, the fixed nut inserts are pre-embedded in the prefabricated busbar. In order to ensure the insulation effect and the nut inserts are firmly fixed, the nut inserts have a large volume and are fixedly connected by nuts and bolts. The installation is more cumbersome and the cost is higher.
Method used
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[0047] The shape of the raised portion 1101 can be varied, including but not limited to cylindrical, elliptical cylindrical, semi-cylindrical, rectangular parallelepiped, ring, flange or oblique block shape, as long as the raised portion 1101 has the same shape as It is sufficient that the steel support 4 forms the contact point, contact line or contact surface of the upper and lower supports. As a preference, the present invention provides two implementations: one implementation of the raised portion 1101 is an oblique block shape, such as figure 1 , figure 2 Shown; Another embodiment is cylindrical, such as Figure 13 shown. If considering the installation method of opening holes or grooves on the steel support 4 to coordinate with the protrusions 1101 to support the prefabricated busbar, the cylindrical protrusions are preferred to facilitate the opening of holes / slots.
[0048] In order to firmly and reliably support the prefabricated busbars, the raised parts 1101 are...
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Abstract
The invention discloses a prefabricated bus for an integrated transformer platform and a preparation method of the prefabricated bus. A electric conduction bus is inserted into a casting mould to finish moulding; mixing an outdoor flame retardant epoxy resin and an outdoor flame retardant curing agent at the ratio of 1 to 1, injecting the mixture into the moulded mould to mould the prefabricated bus by casting, and finishing curing. The outdoor flame retardant epoxy resin comprises 30-50 parts of cycloalicyclic epoxy resin, 1-15 parts of aluminum hydroxide, 30-50 parts of a silica powder, and4-20 parts of a halogen-free flame retardant; the outdoor flame retardant curing agent comprises 30-50 parts of methyl hexahydrophthalic anhydride, 1-15 parts of aluminum hydroxide, 30-50 parts of a silica powder, and 4-15 parts of a halogen-free flame retardant. The prefabricated bus prepared through the technical scheme is excellent in mechanical property and electrical performance, good in insulation effect, strong in load carrying capacity, good in flame retardant property, simple and reasonable in structure, convenient in installation, and low in cost.
Description
technical field [0001] The invention belongs to the field of transformer equipment, in particular to a prefabricated busbar for an integrated transformer platform and a preparation method thereof. Background technique [0002] In the existing transformer station area in our country, the connection between the transformer and the integrated distribution box is connected by cables. During installation, cable heads need to be made on site, which is time-consuming, labor-intensive and labor-intensive. With the rapid development of the power system, the requirements for the timeliness, stability and reliability of power supply are increasing day by day. At present, rural power grids generally use transformer stations for power supply, so the demand for transformer stations is increasing. The State Grid Corporation is now fully implementing the scientific outlook on development, building a "resource-saving and environment-friendly" society, and vigorously improving integrated inno...
Claims
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IPC IPC(8): C08G59/42C08K13/02C08K3/36C08K3/22H01B7/02H01B7/295H01F27/28H01R13/52H01R13/73H01R31/06H01R43/24
CPCC08G59/4215C08K3/22C08K3/36C08K13/02C08K2003/2227C08K2201/014H01B7/02H01B7/295H01F27/28H01R13/5202H01R13/73H01R31/06H01R43/24
Inventor 戴海永
Owner 台州永创电气有限公司