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Equivalent Circuit of Transformer 

Equivalent Circuit of Transformer 

The equivalent circuit diagram of a transformer is a simplified circuit in which the impedance, resistance, and leakage reactance of the transformer can be more easily calculated.
HuyTD
06/02/2023
Polarity Test of Transformer

Polarity Test of Transformer

The polarity can be defined as the induced voltage direction in the primary windings and the secondary winding. If two transformers can be connected in parallel, then the polarity must be identified for a good connection of the transformer.
HuyTD
24/12/2022
THE MOST COMMON SWITCHGEAR-BASED SUBSTATION TYPES

THE MOST COMMON SWITCHGEAR-BASED SUBSTATION TYPES

This article will introduce a few most common types of MV/HV power substations based on the type of distribution switchgear, which can be seen in every distribution network. There are a number of methods of construction of substations depending on the switchgear type.
HuyTD
11/11/2022
Open Circuit and Short Circuit Test of Transformer

Open Circuit and Short Circuit Test of Transformer

The open-circuit test and the short-circuit test are performed on a transformer to determine the equivalent circuit of the transformer, the voltage regulation of the transformer, and efficiency of the transformer.
HuyTD
14/10/2022
Acidity Test of Transformer Oil

Acidity Test of Transformer Oil

For the oil-immersed transformer, the transformer oil plays a vital role in insulating and cooling. Therefore, the Acidity Test of Transformer oil is a very essential test for analyzing the oxidation of transformer oil. 
HuyTD
12/09/2022
Accessories of dry type transformer

Accessories of dry type transformer

The dry-type transformer is a completely stationary solid-state device and it requires less maintenance to provide service with few failures. Unlike liquid-filled transformers, this transformer uses only high-temperature insulation as they are very environmentally safe.
HuyTD
23/08/2022
THE MAINTENANCE OF CAST RESIN TRANSFORMER

THE MAINTENANCE OF CAST RESIN TRANSFORMER

A cast resin transformer is the most important and expensive electrical equipment in a power substation. Therefore, to achieve optimum performance and extend product life, it is best to conduct periodic maintenance checks on your machines. This article will guide you on how to maintain your transformer.
HuyTD
16/08/2022
Step Down Transformer

Step Down Transformer

A transformer is a kind of electrical equipment that converts the high voltage to low voltage or again. Based on the voltage conversion, there are two main types of transformers as Step-up transformer and step-down transformer. This article shows you the knowledge of step-down transformers.
HuyTD
06/08/2022
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