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Explain Synchronous Generators?
They can be utilized to produce or absorb reactive power. An over-excited machine produces reactive power when an under-excited machine absorbs it. The generator is the major source of supply to the system of both of the positive and negative VArs. The ability to supply VArs is ascertained by the short-circuit ratio (1/ synchronous reactance).
For economic reasons, in current units this ratio is kept low and therefore the inherent ability to run at leading power factors is not large. For instance, a 200 MW, 0.85 p.f. machine with a 10% stability margin can just supply 45 MVAr at full power outputs.
Provide Definition of Signals A continuous-time signal x(t) is a signal that is a function of real number t. For a discrete-time signal x[n], it is a method of discrete time in
For zero flag RZ ( Return on Zero) and RNZ ( Return on no zero) Instructions RZ returns from the subroutine to the calling program, if zero flag is set (Z= 1). The
(a) The circuit of Figure 1 represents an amplifier-speaker connection. The filter is a low pass filter which is connected to the woofer. The filter is a -network. (i) Design a
it''s 3 assignments and each assignment have 7 questions so each assignment have 1 hour when I open it I have only 1 hour to finish it I can show him or her the practice question t
Q. Fixed Voltage Regulators ? Positive voltage regulator series with seven voltage options - IC 7800 Series The 7800 series consists of three - terminal positive volta
Avalanche breakdown region: Even though these regions are well described for sufficiently large applied voltage, they overlap somewhat for small (less than a few hundred milli
cpopy 16 bit data Register pair Example : Copy 16 bit data 3 E 21H in register pair BC Solution :The statement is LXI B 3E 21H 16 bit data 3E 21H in reg
If a current of 20A flows for five minutes, find the quantity of electricity transferred. Quantity of electricity, Q = It = 20 x 5 x 60 = 6000C
Question: (a) Consider the following RC admittance function: (i) If the function is to be realised using the Cauer II Form, find the values of the different components
A JFET for which V A = 80 V, V P = 4 V, and I DSS = 10 mA has a quiescent drain current of 3 mA when used as a common-source amplifier for which R D = R SS = 1k and R L = 3k
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