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
29
2021-05
Research On Ventilation Of Distribution Transformer Room One
The area of the ventilation window of the transformer room in the national standard drawing 88D264 (hereinafter referred to as the national standard drawing) is that the calculated temperature of the transformer room does not exceed +35°C (calculated temperature of the inlet air), the temperature of the outlet air is 45°C, and the temperature difference between the inlet and outlet air does not exceed +35°C (calculated temperature of the inlet air) according to the summer ventilation calculation of the transformer room.
2021-05-29
29
2021-05
The Role Of Dry-Type Transformer Coils
The coil of a dry-type transformer is the circuit part of the transformer and an important part of the transformer. It is known as the heart of the transformer. It completes the transmission and conversion of electrical energy.
2021-05-29
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