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Welcome to Electrical Engineering Knowledge SpaceWelcome to Electrical Engineering Knowledge Space. Sunday, November 8, 2009. Switchgear and control equipment. 1 The 3 most imp. characteristic for any relay:. 2 When a Fault occurs, Electrodynamic and Thermal stresses built up. 3 For an Induction. motor, a starting current of 6 times the Rated Current(Full Load Current) and a Locked Rotor Resistance , R1 of 3 times the R0 (Running Resist.) causes I2 * r to be 6 X 6 X 3 or 108 times normal. Application: Dependent Time relays are used when:. I The operati...
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