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Q. Determine the armature current and torque angle?
A 1500-hp, 6600-V, six-pole, 60-Hz, three-phase, wye-connected, synchronous motor, with a synchronous reactance of 36 , negligible armature resistance, and unity power factor at rated power, is controlled from a variable-frequency source with constant V/f ratio. Determine the armature current, torque angle, and power factor at full-load torque, one-half rated speed, and rated field current. (Neglect friction, windage, and core loss.)
A 13.8 kV feed er circui t breaker has a 600:5 multira tio curr ent transform er with charact eristics as show n in Figure 5.11. Th e max - imum load on the feed er is 80 A pri mar
How to solve using kcl and kvl
With a block diagram explain fiber optic communication system Ans: The block diagram of a fiber optic communication system is display below: The input signal is giv
Problem (a) Figure gives the basic circuit of the diode limiter. Assuming that the diodes are ideal sketch and annotate the waveforms of the input voltage vi(t) and the load
Q. Internal Frequency Compensation of operational amplifier? Some op amps, such as the 741, have internal RC networks which are intentionally designed to reduce gain at high fr
hi can you help with newton raphson?
An induction motor takes 350 kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150 kW is connected in parallel with the induction mo
Q. A negative impedance converter circuit shown in Figure is used in some applications where inductors cannot be utilized or where negative resistance is beneficial. (a) Determi
A typical 12-V automobile battery, storing about 5 megajoules (MJ) of energy, is connected to a 4-A headlight system. (a) Find the power delivered to the headlight system. (b
Practical application of rc coupled amplifer
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