High Voltage Switchgear

High Voltage Switchgear The power system deals with voltage above 36KV, is referred as high voltage. As the voltage level is high the arcing produced during switching operation is also very high. So, special care to be taken during designing of high voltage switchgear. High voltage circuit breaker, is the main component of HV switchgear,…

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Medium Voltage Switchgear

From 3 KV to 36 KV switchgear system is categorized as medium voltage switchgear or MV switchgear. These switchgears are of many types. They may metal enclosed indoor type, metal enclosed outdoor type, outdoor type without metal enclosure, etc. The interruption medium of this switchgear may be oil, SF and vacuum. The main requirement of…

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Low Voltage Switchgear or LV Switchgear

Generally electrical switchgear rated up to 1 KV is termed as low voltage switchgear. The term LV Switchgear includes low voltage circuit breakers, switches, off load electrical isolators, HRC fuses, earth leakage circuit breaker, miniature circuit breakers (MCB) and molded case circuit breakers (MCCB) etc. i.e. all the accessories required to protect the LV system….

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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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