Q1) what are instrument transformer?
If we want to measure extremely high values of current and voltage than there are two ways of measuring it. One is to use high capacity instruments which would ...
Last Monday, PEL and Trihope sign on the installation satisfaction for 1200KV, 180KJ High voltage impulse generator system. This is a new stage for M/S PEL. Because it means she has the ability to ...
I.Cause of Partial Discharge
The transformer insulator, metal body and so on are often with some sharp angle and burr, so the electric charges under the action of electric field intensity will conc...
Foil coil is mainly used for small and medium-sized transformers with capacity less than 2000KVA. The advantages of foil coil are: good mechanical strength, not easy to deformation, can withstand s...
1、 Composition of power system
(1) Power system
According to the specified technical and economic requirements
A unified system is called power system. The power system also includes relays to e...
A series of problems, such as larger diameter, the formation of waves on the cylinder, the deviation of the verticality of the assembly, and the unqualified performance after annealing during proce...