A three-phase integrated on-site assembly transformer assembly method
An assembly method and on-site assembly technology, applied in the manufacture of inductors/transformers/magnets, electrical components, circuits, etc., to achieve the effects of ensuring assembly quality, strengthening process inspection, and ensuring the quality of construction operations
Active Publication Date: 2021-07-30
国能浙能宁东发电有限公司
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Problems solved by technology
[0004] The present invention solves the current conventional three-phase integrated 500kV, 750kV, and 1000KV large-capacity transformers existing in the prior art, which cannot be transported to the construction site due to the transportation weight exceeding 100 tons, and the transformer needs to be assembled on site. Provide the most suitable assembly process and assembly environment for the assembly process, and provide a three-phase integrated on-site assembly transformer assembly method. When applied, the on-site environment and assembly process provided by this solution can meet the requirements of large and super large transformers. On-site assembly and monitoring process to ensure reliable transformer assembly and safe operation
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[0027] like figure 1 As shown, a three-phase integrated on-site assembly transformer assembly method, the assembly method includes: site condition preparation before assembly, on-site transformer body assembly process, transformer acceptance test; the specific assembly method steps are as follows:
[0028] S1. Preparation of site conditions before assembly:
[0029] 1) Layout of the assembly plant. According to the on-site assembly requirements of conventional three-phase power transformer products, the temporary sealed plant is 13 meters wide, 30.5 meters long, 18.25 meters high, and 14.35 meters above sea level. It is composed of a staff lounge, and the inner and outer dustproof rooms and staff lounges are connected by doors; to ensure the cleanliness of the whole area, carpets are laid in each area; the height of the inner dustproof room is 6m, and the on-site assembly work is mainly in dustproof Indoor operation, the main door and the top can be opened, the dustproof room...
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Abstract
The invention discloses a three-phase integrated on-site assembly transformer assembly method. The assembly method includes: preparation of on-site conditions before assembly, on-site transformer body assembly process, and transformer acceptance test; specifically including the construction of assembly workshops and the delivery of transformer components to the site. Inspection and acceptance, inspection and acceptance of transformer assembly process, kerosene gas phase drying, etc., all parts are visible and controllable, and a standardized process is formed for the on-site assembly and supervision of transformers. The entire assembly link and process are witnessed, signed, and signed by three parties. Confirmed, well documented. The process forms a checklist every day and corresponds one by one. This method provides the on-site installation conditions and installation steps required in the process of assembling large-scale transformers, and provides a reusable and effective method for assembling a three-phase integrated transformer on the installation site. This method not only meets the requirements of the limited installation space of the power plant , and the operation is simple, efficient, convenient and practical.
Description
technical field [0001] The invention relates to the field of transformer installation, in particular to a three-phase integrated on-site transformer assembly method. Background technique [0002] With the development of my country's power industry, generator sets are developing in the direction of large capacity and high parameters. At present, 600MW and 1000MW generator sets have become the main units of my country's power grid capacity, and the capacity of matching generator transformers has also increased accordingly. It is increasingly urgent to develop large-capacity, extra-large-capacity million-kilowatt generator transformers. At the same time, due to the vast territory and uneven distribution of resources in my country, strict requirements are put forward for the transportation conditions of transformers. Conventional three-phase integrated 500kV, 750kV, 1000KV large-capacity transformers cannot be transported to the construction site due to the transportation weight ...
Claims
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IPC IPC(8): H01F41/00
CPCH01F41/00
Inventor 韩华锋殷延文黄一志郭滔潘毅唐宁秦鑫巴树刚樊剑波贾世凯
Owner 国能浙能宁东发电有限公司