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A balanced star-connected load is connected across a three phase 450V 50 Hz AC supply. Each load element has an impedance of 5+j12 Ω.
Calculate:
(i) The power factor of the load
(ii) The supply line current
(iii) The reactive power consumed by the load
(iv) The delta-connected capacitor values required to restore the system power factor to unity.
CPU Based Exchange: In centralized control, all control equipment is replaced by a single processor which should be quite powerful. It should be capable of processing 10 to 100 c
determine & sketch convolution y(n) of signal X(n)=an , -3 0 , elsewhere H(n)=1 , 0 0 , elsewhere
Architecture of 8085 Microprocessor The 8085 microprocessor is an 8 bit general purpose microprocessor. 8 bit processor means it can read write and process 8 bit data
A 3 phase 60 hertz induction motor has 8 poles and operates with a slip of .05 for a certain load. Compute in r.p.m. the (a) Speed of the rotor with respect to the stator, (b
The single phase alternator The underlined italicised terms in the following text identifies terms that you should understand and remember. The simple two pole generator
Q. Explain the principle of transistor phase shift oscillator? The phase shift oscillator consists of an inverting amplifier stage coupled to a three stage RC filter network. T
Q. Write notes on clamping ? Clamping network shifts (clamps) a signal to a different d.c level, that is it introduces a d.c. level to an a.c signal. Hence, the clamping networ
prove abc+abc''+ab''c+a''bc=ab+ac+bc
Why rhehostat is not used in the field of dc series motor
Adaptors : When you plug two or more appliances into a plug that makes it possible to use more than one piece of electrical equipment from a single socket. The total current drawn
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