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Q. Explain about Stored Program Control?
Stored Program Control: 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 calls per second, depending on the load on system, and concurrently performing many other ancillary tasks. A typical control configuration of an ESS using centralized SPC is displayed in Figure. A centralized SPC configuration can use more than one processor for redundancy purposes. In almost all present day electronic switching systems employing centralized control, only a two-processor configuration is used. A dual processor architecture can be configured to operate in one of three modes:
(i) Standby mode
(ii) Synchronous duplex mode
(iii) Load Sharing mode
Q. Define Transmission-system efficiency? The transmission-system ef?ciency is de?ned as the ratio of the real power delivered to the receiving-end bus to the real power transf
How to design an Oscillator Circuit (500 MHz range) with no Op amps?
Q. The energy stored in a 2-µF capacitor is given by w c (t) = 9e -2t µJ for t ≥ 0. Find the capacitor voltage and current at t = 1s.
Buck Converter In buck converters the output voltage is always less than the input voltage. The basic circuit of buck converter is shown in figure. The operation of th
explain all the components involved in transmission of electricity
GIS APPLICATION IN THE POWER DISTRIBUTION ENVIRONMENT Previously, we have discussed the IT applications in the areas of Metering, Data Acquisition and Management, Asset Manage
Q. (a) What is the difference between a TEM mode and a TE mode? (b) Explain the terms "cutoff wavelength" and "dominant mode" as applied to waveguides. Find the cutoff wavelengt
Q. Why we need digital systems? EASIER TO PROCESS: For the reason that digitized information breaks all information into discrete units the information is easier to process and
Q. Explain the working principle of a Q meter. Also explain the factors that cause errors during a Q factor measurement. Ans. Working Principle of Q Meter: the q meter is
WRITE THE PROCEDURE CONDUCT OC AND SC TEST OF AN ALTERNATOR TO FIND SYNCHRONOUS IMPEDENCE
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