Frequently Asked Questions

Step 1 When the isolation switch is operated, check that the circuit breaker and the ground switch of the corresponding loop have been opened and opened in place, and confirm that the ground cable ...

What is a lightning arrester? A: A lightning arrester is a protection device that can release overvoltage energy and limit the overvoltage amplitude. When in use, install the arrester near the prot...

Transformers used at substations are primarily of two types: power transformers and distribution transformers.

As we approach the peak summer days, high temperatures are spreading across many regions. Stepping outside feels like entering a wave of heat, and it doesn't take long before the sticky sensati...

The transformer core is made of silicon steel (also known as electrical steel or transformer steel) due to its specific magnetic properties that make it ideal for transformer applications.

Partial Discharge (PD) in transformers refers to a phenomenon where localized dielectric breakdown occurs in a small portion of the insulation system under high voltage stress. These discharges do ...

What is transformer insulation? When it comes to the power system, we think of the huge production benefits and convenience of life it brings, but also can not help but pay great attention to its p...

What is the inrush current of a transformer Transformer excitation inrush current, just listen to the name feels very complicated, it has another name "closing inrush current", is the tra...

What is the safe distance from a pad-mounted transformer?

02. Silicon steel sheet In the previous article, silicon steel was described as an excellent choice for the core material of power transformers due to its numerous advantages. However, another ques...

01. Iron core materials for power transformers As an important equipment for voltage regulation and power transmission in power system, power transformer is mainly composed of iron core, winding an...

What material is used for dry type transformer windings?