Transformer Industry information-Hengfengyou (Qingdao) Transformer Co., Ltd.

2022-11-01

Drive protection of oil immersed transformer

The simple oil immersed transformer is used to change the control circuit. It is equivalent to a switch, and the other is to increase the current. ① Protection control switch: the control switch only controls the on-off

2022-10-27

When is the power transformer disconnected?

We know that power transformer is a very important electrical equipment, which will immediately affect the key points of daily production, manufacturing, daily life, and even national defense security, urban development a

2022-10-21

Terms related to transformers

Noun concept: 1. Electromagnetic induction law: The magnitude of the induced electromotive force in the circuit is proportional to the change rate of the energy passing through the circuit. (This is Faradays law of electr

2022-10-21

Detailed explanation of key technologies for energy saving and consumption reduction of transformers

Due to the heavy proportion of single-phase power load in distribution transformers and their power supply and distribution systems, and with the widespread use of various energy-saving electrical equipment, energy-saving

2022-10-10

Maintenance of tripping of main transformer

No matter what causes the tripping of the main transformer, on the one hand, the load shall be handled as soon as possible and the operation method shall be changed. On the other hand, find out what kind of maintenance ac

2022-10-10

How to deal with water inflow of dry-type transformer？

For dry-type transformers working outdoors, especially in rainy days, there is no moisture-proof countermeasure for dry-type transformers working outdoors, so precipitation is very easy to enter the interior of dry-type t

2022-09-22

Development direction of dry-type transformer in recent years

The annual output of dry-type transformers has reached 10000MVA, becoming one of the countries with the largest production and sales volume of dry-type transformers in the world. With the promotion and application of SC (

2022-09-16

What is the difference between a control transformer and an isolation transformer?

The main task of the control transformer is to change the voltage, which is divided into step-down transformer and step-up transformer. The turns of the original and secondary windings are not equal. Isolation transformer

2022-08-26

What is the cause of transformer loss?

When the primary winding of the transformer is energized, the magnetic flux generated by the coil flows in the iron core. Because the iron core itself is also a conductor, an electric potential will be induced on the plan

2022-08-23

What protection does the main transformer have? Selection principle of main transformer?

differential protection of main transformer: the differential protection can reflect all kinds of inter phase, grounding and inter turn short-circuit faults in the transformer, and can also reflect the short-circuit fault