These three terms Torque angle, Power angle and Load angle are associated with Synchronous machines that are synchronous generator and synchronous motor. They named as Synchronous machines as they revolve… Read more »
PHASOR/VECTOR GROUPS: Phasor or Vector groups are used to denote different connection methods for poly phase transformers. This knowledge is required for connecting the poly phase transformers in parallel. To… Read more »
Conducting Polarity test of new three phase Induction motor is necessary before running into operation. If the wrong polarity motor is supplied with three phase supply, the magnetic field distribution… Read more »
Transformer Name Plate detail contains the information about Positive and Negative tap changers. It is important for an operator to have the knowledge regarding how these tap changers work. Working… Read more »
Transformer Oil is used for insulation and cooling of transformer. It is a highly refined mineral oil that is stable at high temperatures and has excellent electrical insulating properties. Inside… Read more »
Insulating materials divided into several classes based on the temperature withstanding limits. Insulating materials used in machines like Transformers, Generators and Motors based on their thermal heat withstanding capacity. As… Read more »
Function of Excitation System: Static Excitation of an Alternator is one of the Excitation method.The basic function of any excitation system is to provide DC power to a field winding…. Read more »
Excitation systems have a powerful impact on generator dynamic performance and availability, it ensures quality of generator voltage and reactive power, i.e. quality of delivered energy to consumers. Brushless excitation… Read more »