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 »
VECTOR or PHASOR GROUPS: Vector or Phasor groups of transformers are used to denote different connection methods for polyphase transformers. This knowledge is required for connecting the poly-phase transformers in… 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 »
Need for PLC- Programmable Logic Controllers: Programmable logic controllers are solid-state systems designated to perform logic functions previously accomplished by components such as electromechanical relays, drum switches, Mechanical timers/counters, etc…. Read more »
Transformer Oil is used for the insulation and cooling of the transformer. It is a highly refined mineral oil that is stable at high temperatures and has excellent electrical insulating… Read more »