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why transmission line 11Kv OR 33KV,66Kv not in 10kv 20kv?
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it followed to our indian standard
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pls someone send me sample question papers along with the key.thanks in advance
1.what is the reason for transformer and lightning arrester blast in 33kv system
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
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For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
Operation of isolators.
Give some differences between open loop and closed loop control systems.
i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor
A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?
electrical
please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com
