In order to ensure uninterrupted supply to connected loads in thermal and nuclear power stations, two types of automatic supply transfer schemes are normally used: automatic bus transfer scheme and… Read more
Consideration of all the factors related to proper application of a low-voltage circuit breaker goes beyond voltage, current, and interrupting rating. The performance of a specific type of circuit breaker… Read more
The harmonic currents are mainly down to the nonlinear loads in the installations. The most frequent harmonic sources are linked to the use of electric arcs (welding, arc furnaces, discharge… Read more
A DCS is the heart of a thermal power plant’s instrumentation and control systems. DCS stands for ‘distributed control system’, and the term ‘distributed’ means that several processors are operating…...
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First of all, it is extremely important that the operator/engineer understand the ground system that is being tested. The clamp-on measurement works well in many situations, but it has limitations… Read more
Generating unit is a pretty complex system made up of the generator stator winding, its transformer and unit transformer (if present), the rotor with its field winding and excitation system,… Read more
Modular Switchboards are used for electrical power distribution in industrial and commercial locations. It is often important to know the dimensions of the Switchboards beforehand, especially in case of large… Read more
During previous decades manufacturers of automatic compensation banks faced increasing competition worldwide. They were forced to produce as economically as possible. Now, new technologies have been developed compared with the… Read more