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If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
789Post New Electrical Engineering Questions
why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??
Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
What is PQA???Applications........
what is the transformer turn ratio formula and give some examples?
what is the differebt between ac and dc fuse?
what is the formula of starting current of 3phase and 1 phase motor???
why do we not use equivalent voltage source in negative sequence equivalent ckt.
What is zero of the system?
What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.
the problem faced on star or delta winding connection??
How to find ampere on ht side for selection of cable size ???
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
What is real time power factor control panel(RTPFC)?
WHAT IS THE PARTIAL DISCHARGE TEST?
Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?
