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Q. Explain Shunt-field control process?
Shunt-field control, armature-resistance control offers a constant-torque drive because both flux and, to a first approximation, allowable armature current remain constant as speed varies. The shunted-armature method is a variation of this control scheme. This is illustrated in Figure (a) as applied to a series motor, and in Figure (b) as applied to a shunt motor. Resistors R1 and R2 act as voltage dividers applying a reduced voltage to the armature. They offer greater flexibility in their adjustments to provide the desired performance.
A feedback control system with the configuration of Figure has the following parameters: K p = 0.5 V/rad, K a = 100 V/V, K m = 2.7 × 10 -4 N·m/V, J = 1.5 × 10 -5 kg·m 2 , and
What is memory paging? The memory paging mechanism located inside the 80386 and above permits any physical memory location to be assigned to some linear address.
Q. Explain working of Capacitor motors? Capacitor motors have a capacitor in series with the auxiliary winding and come in three varieties: capacitor start, two-value capacitor
You are asked to design a circuit that indicates if a 12 V battery has been connected the correct way around to two terminals, A and B. To do this, you have chosen to use a special
an essay on crystal oscillators
a) Sketch the variation of electron concentration with temperature for i) an n-type semiconductor doped with 1021 donors m-3 ii) an intrinsic semiconductor. b) Expla
what is a transformer?
show a schematic diagram of michelson interferometer
Add Register and Carry with Accumulator The contents of register R and the carry flag are added to the contents of the accumulator and result of addition is also sto
Q. Show Advantage of digital control system over analog system? Sampled data and digital control offer several advantages over analog systems: • More compact and lightweight
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