Electrical Drive Systems: Each Electrical Drive Systems is different from other Electrical Drive Systems. However, there are some common features associated with all Electrical Drive Systems. To understand them it…
Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…
Conventional DC and AC Traction Drives: The commonly used Conventional DC and AC Traction Drives are The dc Traction Drives Employing Resistance Control: The dc traction drives employing resistance control…
Sub Stations Articles: Busbar Arrangements in Substations : Busbar are the important components in a sub-station. There are several Busbar Arrangements in Substations that can be used in a sub-station.…
Protective Relays Articles: Basic Relays : Most of the Basic Relays used in the power system operate by virtue of the current and/or voltage supplied by current and voltage transformers…
Neutral Grounding in Power System Articles: Grounding or Earthing : The process of connecting the metallic frame (i.e. non-current carrying part) of electrical equipment or some electrical part of the…
Types of Circuit Breaker Articles: Air Blast Circuit Breaker Diagram : These breakers employ a high pressure air-blast as an arc quenching medium. The contacts are opened in a flow…
High Voltage Laboratory Rating: The High Voltage Laboratory Rating and size of test equipment chosen in the h.v. laboratories depends on the test facilities to be provided. Normally, the design…