what is switchgear and Types of switchgear

Switchgear: switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment from the abnormal condition is called switchgear. some examples of switchgear are given below, switches, fuses, circuit breaker, isolator, relays, current and potential transformer, indicating instrument, lightning arresters The switchgear system is directly linked…

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Difference between Switchgear and Feeder

Definition of Switchgear A switchgear or electrical switchgear is a generic term which includes all the switching devices associated with mainly power system protection. It also includes all devices associated with control, metering and regulating of electrical power system. Assembly of such devices in a logical manner forms switchgear. In other words apparatus used for…

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What is APFC panel and what is the function of this panel?

Automatic Power Factor Control (APFC) Panels APFC or Automatic Power Factor Control Panels are mainly used for the improvement of Power Factor. Power Factor can be explained as ratio of active power to apparent power and it is a key factor in measuring electrical consumption. Everyone knows that how costly electricity has become in present…

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What is Feeder and Types of Feeder

Feeders: Feeder line is part of an electric distribution network. An electrical wiring circuit in a building which carries power from a transformer or switch gear to a distribution panel. Different feeders are connected to the feeder bus to feeds different loads like, motor loads, lighting loads, industrial machinery loads, air conditioner loads, transformer cooling…

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Welcome

Electrical Mastar Welcome to Electrical Mastar open and free electrical engineering study site.The  Electrical Mastar website is here to offer tips and also help you to  learn more about basic things in electrical engineering. These website is fully covered by almost all electrical oriented topics. Motor Generator Transformer Battery & Inverter Switchgear Solar Energy Power plants Lighting…

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IS Standards for Electrical Equipments

Standard Makes for Electrical Equipments: First we have to study about IS  standards for electrical equipments. so we can see all electrical equipments standards one by one.   Sr. No. Item IS No. Makes 1 Transformer IS: 2026/1977 Crompton Greaves, NGEF, Kirloskar, BHEL, Andrewyule, Bharat Bijlee, Alsthom, ABB, Voltamp, Siemens, GEC, Voltas, TELK 2 11 kV/HT…

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High voltage DC Transmission system (HVDC)

HVDC stands for High Voltage Direct Current. An HVDC electric power transmission system uses direct current for the bulk transmission of electrical power, in contrast with the more common alternating current systems.  For long-distance distribution, HVDC systems are less expensive and suffer lower electrical losses. For shorter distances, the higher cost of DC conversion equipment compared to…

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Auto Transfer Switch(ATS)

Auto transfer switch(ATS) ATS  is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a switch, while others are automatic and trigger when they sense one of the sources has lost or gained power. An Automatic Transfer Switch (ATS) is…

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Difference between MCB and MCCB

Difference between MCB and MCCB MCBs are miniature circuit breakers with optimum protection facilities of overcurrent only.These are manufactured for fault level of up to 10KA only with operating current range of 0.5 to 63 Amps (the ranges are fixed), single,double and three pole verson.These are used for smaller loads -electronic circuits,house wiring etc. MCCBs…

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