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The principle of booster transformer

ZTELEC GROUP | 20-04-27

The booster transformer means that the voltage is instantaneously started. At present, domestic transformer manufacturers that can effectively achie……

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The manufacturing process of insulation board

ZTELEC GROUP | 20-04-22

Insulation board is a polymer material with resin as the main component. It has fluidity under certain temperature and pressure conditions, and can ……

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FR-4 normal thickness and parameter classification

ZTELEC GROUP | 20-04-21

The commonly used copper thickness of FR4 copper clad laminate: 0.5 oz, 1 oz, 2 oz, and other copper thicknesses are also required, please consult t……

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Oil-immersed transformer eddy current loss is reduced about 69%

ZTELEC GROUP | 20-04-15

The maximum eddy current density and maximum eddy current loss density of oil-immersed transformer are the highest, while the maximum eddy current d……

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The main function of isolation transformer

ZTELEC GROUP | 20-04-9

The main function of isolation transformer An isolation transformer refers to a transformer with electrical isolation between the input winding and ……

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How to prevent trouble of transformer

ZTELEC GROUP | 20-04-8

Transformers are extremely important electrical equipment in the power transmission and distribution system. Compared with other electrical equipmen……

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How to dry treatment for transformers

ZTELEC GROUP | 20-04-7

Transformers are humid, especially in the summer, because the transformer is relatively powerful and the power intensity is often overloaded, so the……

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The differences between dry-type transformers and oil-immersed transformers

ZTELEC GROUP | 20-04-2

They are both power transformers and they all have iron cores for magnetic circuits and windings for circuits. The biggest difference is between dry……

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How to prevent oil-immersed transformer explosion

ZTELEC GROUP | 20-03-31

Prevent the accident of oil-immersed transformer explosion Accidents of oil-immersed transformer explosions occur repeatedly. Because the explosion ……

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What is the main reason influence transformer noise

ZTELEC GROUP | 20-03-27

I. Factors affecting no-load noise The main reason for the noise generated by the transformer core is that under the action of an alternating magnet……

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The composition of three-phase transformer

ZTELEC GROUP | 20-03-26

The main principle of the three-phase dry-type transformer is electromagnetic induction, which uses the mutual induction between electromagnetics to……

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How to improve the transformer quality

ZTELEC GROUP | 20-03-25

1. Improve the design requirements for the ability of the transformer to withstand short-circuit currents. The symmetrical short-circuit current (th……

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The classifications of power transformer

ZTELEC GROUP | 20-03-24

1. By function: Power transformers are divided into two categories: step-up transformers and step-down transformers. Step-down transformers are used……

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How to select and test transformer

ZTELEC GROUP | 20-03-20

1. Check whether there is obvious abnormal phenomenon by observing the appearance of the transformer. Such as whether the coil leads are broken, des……

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Domestic status of transformer industry

ZTELEC GROUP | 20-03-19

China’s transformer manufacturing industry is an industry full of opportunities and challenges. As long as the technology content is continuou……

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There are 5 ways to cool oil immersed transformer

ZTELEC GROUP | 20-03-18

The oil-immersed transformer 80°C is a critical value. When it exceeds this temperature, it indicates high-load operation. The oil-immersed transfor……

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Treatment of insulation faults in power transformers

ZTELEC GROUP | 20-03-17

Most transformer damage and faults are caused by damage to the insulation system. According to statistics, incidents caused by various types of insu……

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How to choose three phase transformer

ZTELEC GROUP | 20-03-16

First: Select the material requirements of the three-phase transformer Three-phase transformers are composed of silicon steel sheets and windings. T……

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ZTELEC Attends Dubai MEE 2020 Exhibition

ZTELEC GROUP | 20-03-11

On March 3rd-5th, 2020, the Middle East 2020 Dubai Power Show and Dubai New Energy Show MEE opened as scheduled. In the case of a severe epidemic, Z……

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The advantages of oil-immersed transformers

ZTELEC GROUP | 20-03-10

(1) Oil-immersed transformers are transformers that use transformer oil as a heat dissipation medium. The use of oil-immersed transformers in power ……

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High-overload transformers

ZTELEC GROUP | 20-03-9

The description of high-overload transformers ZTELEC mainly produces 35KV, 20000KVA and below S9, S11 series oil-immersed power transformers, dry-ty……

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How does the isolation transformer supply power safety

ZTELEC GROUP | 20-03-5

When the AC voltage is applied to the primary winding of the isolation transformer, a current will flow through the winding. This isolation transfor……

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Transformer manufacturing process

ZTELEC GROUP | 20-03-4

First confirm whether the drawing is consistent with the production product and then check the wire gauge after confirming that the capacity is corr……

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How to judge insulation resistance of S13 transformer

ZTELEC GROUP | 20-03-3

The insulation resistance of the S13 transformer is an important physical property of the S13 transformer. Commonly, the insulation resistance of th……

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