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What insulation paper is in the oil-immersed transformer

ZTELEC Insulation Materials | 20-05-13

Oil-immersed transformers are common distribution transformers in our lives, often used in residential areas, substations, etc. But few people know about its structure. Today we will explore oil-immersed transformers to see what transformer insulat……

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The category of insulation board

ZTELEC Insulation Materials | 20-04-22

Products such as insulation board and category 6 (mica board for electric heating equipment), category 2 (insulation paper), category 3 (insulation paperboard), category 8 and other products in category 7 are not allowed to follow the temperature i……

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What are the faults of transformers

ZTELEC Insulation Materials | 20-04-9

Transformers are widely used in power distribution systems to control and protect circuits.

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Three factors affecting the resistance value of electrical insulation paper for transformer

ZTELEC Insulation Materials | 18-12-4

Electrical insulation paper is an important material in the production process of transformers. Insulated cable paper is used between the winding layers of the oil-immersed transformer, crepe paper is used for the leads, and spliced ​​insulation pa……

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Causes of failure of copper three-phase oil-filled distribution transformers with finned radiators

ZTELEC Insulation Materials | 18-12-4

Due to the low price and convenient maintenance of copper three-phase oil-filled distribution transformers with finned radiators, oil-filled transformers account for more than 80% of the electrical market, much higher than dry-type transformers. Ho……

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5 kinds of outdoor three-phase power transformer joint groups commonly used in China

ZTELEC Insulation Materials | 18-11-27

There are a total of 12 types of outdoor three-phase power transformers, but in order to avoid confusion in manufacturing and use, China has only 5 types of three-phase dual-winding power transformers: Yyn0, Yd11, YNd11, YNy0 and Yy0. Standard grou……

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How to improve the working efficiency of three-phase oil-immersed transformer with finned radiator

ZTELEC Insulation Materials | 18-11-27

Since the temperature has a great influence on the performance of the transformer, the finned radiator becomes a new heat exchange device selected for the large and medium-sized three-phase oil-immersed transformers. But how to choose the right rad……

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How to solve the problem of warping of double-sided FR-4 copper clad laminate substrate

ZTELEC Insulation Materials | 18-11-15

With the rapid development of the Internet age, electronic products have become a necessity for people’s daily lives, and therefore promote the development of the pcb industry. But the basis for the development of pcb is the improvement of co……

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