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On the “Overload Capacity” of the Transformer

ZTELEC GROUP | 18-06-20

We know that overload capacity is related to loss, rated temperature, rated operating point, capacity margin, heat dissipation area, product struct……

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Moisture-Proof, Dust-Proof and Corrosion Resistant Properties of Epoxy Casting Dry Type Transformer

ZTELEC GROUP | 18-06-20

For the epoxy pouring drying, as the whole coil conductor is sealed by the solid insulating layer of the epoxy resin, it is not only difficult to im……

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Analysis of Technical Characteristics of Epoxy Resin Casting and NOMEX Paper Insulation Varnish Dry Type Transformer

ZTELEC GROUP | 18-06-19

Heat resistant and flame retardancy NOMEX paper belongs to C grade insulation material, and its heat resistance is obviously better than that of epo……

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Insulation and Withstand Voltage Performance of Dry Type Transformer

ZTELEC GROUP | 18-06-19

The insulation of the dry type transformer is not composed of a single dielectric, but a combination of various dielectric. For the single multilaye……

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The Ability of Dry Transformer to Withstand Short Circuit and the Overall Mechanical Strength of the Coil

ZTELEC GROUP | 18-06-19

Due to the good flow performance of epoxy resin at a certain temperature, a complete rigid body will be formed by pouring and curing the coils in t……

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Good Mechanical Performance of Insulation Crepe Paper

ZTELEC GROUP | 18-06-15

Due to the use of special molding and pressing procedures in its manufacturing process, high densification and dimensional stability of the insulati……

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The Excellent Properties of G10 & G11 Epoxy Plate

ZTELEC GROUP | 18-06-15

G10 epoxy plate processing parts are very superior and are welcomed by the market. ZTELEC Group produces various types of epoxy plates, which can be……

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What is the Transformer Component

ZTELEC GROUP | 18-06-15

Transformer component is a subsidiary device which is an important device to adjust the abnormal AC voltage in the power system. Today we focus on l……

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The History of Paper Board as Electrical Insulation Paper

ZTELEC GROUP | 18-06-13

The use of paper board as electrical insulation paper started in the early-mid 20th century. Since the need for high voltage electrical transformers……

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The Properties and Production of the Insulating Sleeve

ZTELEC GROUP | 18-06-13

As a kind of insulating material, the insulating sleeve includes glass fiber insulating sleeve, PVC sleeve, heat shrinkable sleeve, and so on. The s……

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How to Distinguish the Real Insulation Tube

ZTELEC GROUP | 18-06-13

Since it is to be used as an insulating material, the insulating tube must be flame-retardant, but the quality of the insulating tube on the market ……

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The Application of Diamond Glue Film (DDP)

ZTELEC GROUP | 18-06-1

Electrician dispensing paper is widely used for interlayer insulation and inter-turn insulation of oil-immersed power transformers. In use, the coat……

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Epoxy Plate Can be Widely Used in All Kinds of High Insulation Parts

ZTELEC GROUP | 18-06-1

Epoxy plate, also known as epoxy fiberglass board, is a kind of polymer that can be used in medium temperature environment. In the case of high temp……

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Insulation Crepe Paper is One of the Main Solid Paper Insulation Materials

ZTELEC GROUP | 18-05-31

The wrinkled insulating paper is suitable for oil immersed transformer, reactor and transformer to wrap around the insulation. The insulated and wri……

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The Range of Transformer Differential Protection

ZTELEC GROUP | 18-05-31

Three-phase transformer is widely used in AC 50Hz to 60Hz, voltage less than 660V circuit, for import important equipment, precision machine tool, m……

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The Requirements for Silicon Steel Performance

ZTELEC GROUP | 18-05-31

Silicon steel sheet is a very low-carbon ferrosilicon soft magnetic alloy, generally containing 0.5% to 4.5% silicon. Adding silicon can increase th……

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Storage Method of NMN Composite Insulation Paper

ZTELEC GROUP | 18-05-29

In order to maintain good performance of NMN composite insulation paper, NMN composite insulation paper should be stored in a dry and clean warehous……

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Excellent Dielectric Strength and Mechanical Properties of NMN Composite Insulation Paper

ZTELEC GROUP | 18-05-29

In terms of structure, NMN composite insulation paper adopts a three-layer structure, and the outer two layers are NOMEX insulation paper, and the ……

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Excellent Insulation Electrician Cardboard / T4 Board

ZTELEC GROUP | 18-05-29

The board made of high purity 100% sulphate wood pulp is processed by high pressure. This product has high mechanical strength and good compatibil……

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The Function and Application of Insulation Board

ZTELEC GROUP | 18-05-28

Insulating sheet is a synthetic chemical substance. Once heated, it solidified and no longer can be molded into anything else. Therefore, it has the……

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Insulating Sleeve Made of Alkali-Free Glass Fiber Woven Tube Coated With PVC Resin

ZTELEC GROUP | 18-05-25

PVC Glassfiber Sleeve It is a kind of insulating sleeve made of alkali-free glass fiber woven tube coated with pvc resin and then heated and plastic……

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The Process of Lamination Forming is in the Stage of High Pressure and High Temperature Lamination

ZTELEC GROUP | 18-05-25

The laminating process on the hot press is to make the resin of the adhesive paper (cloth) first in the gap between the fiber reinforced base mater……

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Laminated Molding Processing of Copper Clad Laminates

ZTELEC GROUP | 18-05-25

The whole stage of the laminating process of the copper sheet mainly consists of several main processes, such was cutting, layup, lamination, and un……

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The Necessary Process of Drying the Impregnated Wet Paper

ZTELEC GROUP | 18-05-23

The first is the evaporation process of low molecular weight volatiles (including solvents) in solvents and resins; two, the resin molecules continu……

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