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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

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.

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24/12/2022

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

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.

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14/10/2022

What is a Transformer Rating?

Transformers are designed based on the rated voltage and current required for the transformer’s operation.

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04/10/2022

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.

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12/09/2022

Oil and Winding temperature Indicator of the transformer

Oil and Winding temperature Indicator are types of accessories that are used to protect the transformer operation process.

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30/08/2022

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.

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23/08/2022

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

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.

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06/08/2022

ON- LOAD TAP CHANGER AND NO-LOAD TAP CHANGER/ MBT TRANSFORMER

A tap changer is a key device of transformers that allows for variable turn ratios to be selected in distinct steps. This is done by connecting to a number of access points known as taps along either the primary or secondary winding.

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27/07/2022

The differences between Power transformers and distribution transformers

Depending on the design, function, purpose of applications and coil configuration differentiate them for different applications such as residential and commercial (domestic and industrial).

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19/07/2022

EASY STEPS TO SELECT THE RIGHT DISTRIBUTION TRANSFORMERS

Transformers play an important role in providing a stable power supply. The function of transformers is to increase or decrease the voltage and distribute and transmit power to other electrical equipment.

HuyTD

11/07/2022

The Procedure for Collecting Oil Samples from Oil Immersed Transformer

Oil plays an important role in the manufacturing and operating of oil-immersed transformers. Therefore, we should pay special attention to taking the oil sample from the equipment.

HuyTD

05/07/2022

6 signs indicate your oil transformer damage

A damaged oil transformer will have many potential risks to the safety of people and electrical equipment. Join us for a look at the signs that indicate a damaged oil transformer.

HuyTD

01/07/2022