Company News-Hebei Zhongbei Transformer Co., Ltd

Causes of Low Power Factor of Dry-Type Transformers

Power factor reflects the efficiency of electric energy utilization. A low power factor of dry-type transformers is mainly caused by inherent characteristics of the equipment, load conditions, operation mode and periphera...

Judgment of Short-Circuit Withstand Capability for Dry-Type Transformers

The short-circuit withstand capability of a dry-type transformer refers to its ability to resist severe electromagnetic forces and thermal stress caused by short-circuit currents (up to 20–25 times the rated current) wi...

Energy Efficiency Classification and Energy-Saving Advantages of Dry-Type Transformers

Energy Efficiency Classification and Energy-Saving Advantages of Dry-Type Transformers Energy Efficiency Classification dry-type transformers are classified into three energy efficiency grades per the national standard GB...

Differences between IP20, IP30 and IP54 for Dry-Type Transformers

Differences between IP20, IP30 and IP54 for Dry-Type Transformers IP20 can block solid objects larger than 12.5 mm and prevent fingers from touching internal live parts, with no water resistance. It features good heat dis...

Noise Reduction Methods for Dry-Type Transformers

Noise Reduction Methods for Dry-Type Transformers The noise of dry-type transformers mainly comes from magnetostriction of iron core, electromagnetic vibration of windings, fan operation and structural resonance. Correspo...

What are the hazards of overload operation of dry-type transformer?

Hazards of Overload Operation of Dry-Type Transformers Overload operation will disrupt the normal thermal balance of dry-type transformers and bring multiple potential risks. First, excessive temperature rise accelerates ...