Schneider long-term partner, the only supplier in Central China

Schneider certified company

60 years experience in insulation material production

Chinese electrical manufacturer

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Rich Experience

ZTELEC is engaged in the production of insulating materials for 60 years

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Cooperation with many universities in China, technology innovation

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Timely resolution of customer problems, commitment to quality in the end

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Product Category

Enamelled Wire

The enameled wire is a main type of winding wire. It consists of two parts: the conductor and the insulating layer. The bare wire is annealed and softened, and then baked and baked.

Electrical Materials

Diamond dotted paper, Epoxy fiberglass board, Insulated crepe paper,NHN, DMD, Electrician cotton belt,Copper clad laminated

Power Transformers

Epoxy resin pouring dry type transformer, oil immersed transformer, dry phase shifting rectifier transformer,Mining transformer, box transformer

Harm of partial discharge of dry type transformer

What is a partial discharge of dry transformer Partial discharge is mainly the discharge of internal insulation of dry-type transformers, transformers and other high-voltage electrical equipment under the action of high voltage. This kind of discharge exists only in the local position of the insulation, and does not immediately form the entire insulation through breakdown or flashover, so it is called partial discharge. The amount of partial discharge is very weak, relying on the human intuitive sense, such as the…

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Oil Transformer DDP

The Oil Transformer DDP is insulating material on the two sides of electrical insulating paper coated with rhombohedral modified epoxy resin. The epoxy resin of this material contains latent curing agent, and it is non adhesion dry material at room temperature (below 35℃). The material has excellent mechanical properties and good dielectric properties after thermal curing. Application: it is applicable to turn insulation of coil conductor of oil immersed power transformer and interlayer insulation of distribution transformer coil. Product characteristics:…

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How to extend the use time of insulation paper

Everything has a shelf life, and the insulation paper is the same. How to extend the use time of the insulation paper? (1) Do not put it under the sun. Some friends because the insulation paper is stored in a place for a long time, want to take out the sun, usually placed in the sun directly, so the performance characteristics of the insulation paper is not harmful, it is best to dry in the shade. (2) Pay attention to…

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Epoxy resin pouring dry power transformer SC(B)-3~100/10

Product Characteristics The SC(B)-3~100/10 dry type transformer is specially designed for the central cabinet and high voltage switchgear. Through product structure optimization, based on the national standards of various performance parameters, the product design fully considers the specific heat-dissipation restrictions and installation size requirements of the central cabinet and high-voltage switch. The heating design value is far lower than the national standard. The most ideal distribution transformer for central cabinets and high voltage switches. The product has the characteristics of…

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DDP is not only Diamond Dotted Paper, but also Delivered Duty Paid.

Many people find that if you search for DDP directly on Google Chrome, two search results will appear. The first is the insulating material DDP. Insulation DDP is an abbreviation of Diamond Dotted Paper. DDP is a kind of insulating material made of special modified epoxy resin on electric insulating paper. ZTELEC DDP is widely used for interlayer insulation and inter-turn insulation of oil-immersed power transformers. When used, the coating begins to melt at a certain temperature during the process…

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Dry-type transformer that can be switched between 20KV and 10KV

ZTELEC  three-phase dry-type transformers have a capacity of 0.03KVA ~ 2500KVA. This series of three-phase dry-type transformers is a fairly mature product made by ZTELEC after years of screening various high-quality materials and advanced process technologies. It has the advantages of moisture-proof, easy maintenance, and extremely high efficiency. It can penetrate the load center and can be used. Power transmission and distribution sites such as subways, stations, terminals, enterprises and tunnels. The product is applicable to various power supply places…

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Difference among SGB10 Transformer, SC(B)10 Transformer and SCR(B)10 Transformer

All three transformers are dry-type transformers. 10 is the design number, which represents the loss standard value. 1. SG (B) 10 is an open-type dry change, he used the United States DUPONT’s NOMEX insulation paper for the insulation (high voltage coil outside, you can see is white, if it is darker color that is covered with glass wire The former is American technology, the latter is German technology.) The low-voltage coil is copper foil (a B in the model means…

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Perfect ending of CWIEME Berlin

It took 3 days to complete the CWIEME Berlin. In order to prepare for the CWIEME Berlin, everyone at ZTELEC started preparations two months in advance and prepared new pictures to perfectly show the company’s insulation materials, transformers, and enameled wires. Prepare samples to allow customers to more directly understand the quality of our products and products. Carefully selected personnel, ready to answer the customer’s various questions. Although it is very hard, it is a kind of growth for everyone.…

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Phase Shifting Rectifier Transformer

Product Standards 1.Phase shifting(high voltage variable frequency speed control)special transformer series could be produced according to customers’ requirements. 2.Rated Capacity:315-1600KVA. 3.The phase shifting angle is 0°,12°,24°,36°,48° or according to customers’ requirements.In the recent years, with the rapid development of the power electronic technology, the high-voltage variable frequency speed adjustment technology has been widely used in the products, such as blower speed adjustment, and pump speed adjustment. The basic principle of the speed control by frequency variation is that: to change…

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Does the transformer produce radiation?

Many people are not highly educated, and it is easy to believe online rumors, such as the need to shut down the phone at night, otherwise it will affect the brain; the transformer will produce radiation during the operation. Therefore, it is deliberately explained to some people today that the transformer will not generate radiation during its operation. In the field of electromagnetic environment and public health, transformers and other power transmission and transformation facilities produce “electric fields”, “magnetic fields”…

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