Electrical switchgear are very important part of any electrical distribution system. Switch gears are used for many purposes like protection, isolation from live parts and switching operation. A switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment… Read More »
What is voltage stabilizer? Voltage stabilizer is an equipment that stabilizes voltage. The process of stabilization happens by bringing voltage to a desirable level whenever there is any kind of fluctuation in the power system. Therefore we can say that voltage stabilizer is a current regulator used to maintain and control voltage to produce a… Read More »
Differential busbar protection is the most common and reliable scheme for the bus bar protection. Earlier there was no other option to use only conventional over current relays for busbar protection. But it is desirable that fault in any feeder or transformer connected to the busbar system should not disturb overall busbar system. Due to… Read More »
You can find below a comprehensive switchgear testing and commissioning procedure. If you need to learn and understand the switchgear testing and commissioning procedure then this article is enough. But if you want to submit to client/consultant the method statement for switchgear testing and commissioning then you can download full document with ITP, checklists and… Read More »
A voltage regulator is used to regulate or stabilize the voltage level for specific purpose. Voltage fluctuations are never acceptable for any appliance or equipment, because it may damage the electrical appliances etc. When a steady, reliable voltage is needed, then voltage regulator is the preferred device. Despite varying inputs or load conditions a stabilizer… Read More »
What is overvoltage: A sudden rise in voltage for a short duration on the power system is known as overvoltage or voltage surge. Overvoltage is always temporary that exist for short period but that may cause damage to the power system due to surge in voltages. There are many causes for occurrence of overvoltage condition,… Read More »