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Ravindranath & Michener–NewAge International Publishers (Second Edition). • Switchgear – integrated components to switch, protect, meter and control power flow • Reactors - to limit fault current (series) or compensate for charge current (shunt) • VT and CT - to measure primary current and voltage LECTURE NOTES ON SWITCHGEAR PROTECTION. 6 Short circuit. , A switchboard, switchgear, or panelboard containing a 4-wire, _____ system where the midpoint of one phase winding is Features of GATE EE Handwritten Power Systems Notes. air blast circuit breaker handwritten notes pdf file. Handwritten Notes Vectors. fr Switchgear and Protection lecture notes with details about all the introductory as well as the advanced level topics. 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