03
2021-07
Leakage Prevention Measures For Oil-Filled Transformers
When inspecting and repairing transformers and dealing with leakage, seals with good high temperature resistance and oil resistance should be selected. The most commonly used sealing material in the domestic transformer industry is nitrile rubber.
2021-07-03
03
2021-07
Causes Of Oil Leakage In Oil-Filled Transformers
Transformers have many welding spots and long welding seams, while oil-immersed transformers are a collection of various welding and connections based on steel plate welded shells. A 31500kVA transformer has a total of more than 70 welding joints, and the total length of the welding seam is about 20m, so there may be many leakage channels.
2021-07-03
19
2021-06
At present, most of the transformers used in distribution substations are silicon steel sheet iron core transformers (SST), which are connected between the power systems, and the iron loss (no-load loss) caused by the excitation of the transformer core, that is, standby power often occurs.
2021-06-19
08
2021-06
The Specific Meaning Of Transformer Parameters
Rated capacity Se: refers to the capacity that the transformer can deliver under the rated voltage and rated current specified on the nameplate when it leaves the factory, in kVA. The calculation formula is: Three-phase transformer Se=1.732UeIe Single-phase transformer Se=UeIe
2021-06-08
08
2021-06
Causes Of Abnormal Internal Temperature Of Dry-Type Transformers
The dry-type transformer has complete functions and all parts are concentrated inside the dry-type transformer. Therefore, its appearance is small and can be used in schools, communities, shopping malls, factories and other places. When the weather is hot, many users have reported to us that the internal temperature of dry-type transformers has risen abnormally.
2021-06-08
29
2021-05
Research On Ventilation Of Distribution Transformer Room Two
In view of the above-mentioned reasons of transformer temperature rise and heat dissipation, we recommend the following measures to achieve the purpose of enhancing transformer heat dissipation and reducing transformer temperature rise.
2021-05-29
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