19
2021-06
What Is The Definition Of Partial Discharge In Power Transformers
Partial discharge is an electrical discharge in which the insulation between conductors is only partially bridged. This type of discharge can occur near or away from the conductor. For the air gap insulation defects that occur in the production process of power transformers, when the electric field strength is high, the air gap insulation is first broken down and discharged.
2021-06-19
19
2021-06
Dry-Type Transformer Delta Connection And Star Connection
Common transformer windings have two connection methods, namely "delta connection" and "star connection"; in the connection group of the transformer, "D represents delta connection, and "Yn" represents star connection with neutral wire.
2021-06-19
19
2021-06
What Are The Inspection Items For Power Transformers
The oil temperature and thermometer of the power transformer should be normal, and the oil level of the oil conservator should correspond to the temperature, and there should be no oil leakage or oil leakage at all parts.
2021-06-19
08
2021-06
How To Deal With The Heat Dissipation Of The Transformer In The Box-Type Substation?
When the transformer is used in the box-type substation, the heat dissipation and cooling of the transformer are the primary concerns of the staff. Generally speaking, there are two measures for the cooling of transformers: natural ventilation and unnatural ventilation.
2021-06-08
08
2021-06
What are the first-class energy efficiency transformer models? The current commission is environmental protection and energy saving, and the dry-type transformer is also commissioned for energy saving and environmental protection. So, what are the first-level energy-efficient dry-type transformer models? Below, Beijing Shengzhi Power Dry-type Transformer manufacturer will explain in detail.
2021-06-08
29
2021-05
The Specific Meaning Of Transformer Parameters
Rated capacity Se: refers to the capacity that the transformer can deliver during continuous operation at the rated voltage and rated current calibrated on the nameplate at the factory, in kVA. The calculation formula is: Three-phase transformer Se=1.732UeIe Single-phase transformer Se=UeIe
2021-05-29
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