Types of Sampling Techniques: Basically there are three types of sampling techniques : (i) Instantaneous sampling, (ii) Natural sampling and (iii) Flat-top sampling. Out of these three types of sampling techniques, instantaneous sampling is called…
FET Common Source Amplifier with Unbypassed Source Resistors: Equivalent Circuit - When an unbypassed source resistor (RS) is present in a FET Common Source Amplifier circuit, as shown in Fig.11-10(a), it also appears in the…
Current Controlled Voltage Source (CCVS) Circuit: An ideal form of Current Controlled Voltage Source (CCVS) Circuit providing an output voltage controlled by an input current is shown in Fig. 36.37. The output voltage Vout is…
Direct Current Resistivity Method: The specimen shape and the electrode arrangement should be such that the Direct Current Resistivity Method can be easily calculated. For a solid specimen, the preferable shape is a flat plate…
Power System Stability Interview Questions and Answers: 1. Define stability limit. Ans. A stability limit is the maximum power flow possible through some particular point in the system or the part of the system to…
Phase Conversion in Transformer: Three Phase to Two Phase Conversion Transformer (Scott-T transformer or Scott Connection): Phase conversion from three to two phase is needed in special cases, such as in supplying 2-phase electric arc…
8255 Programming and Operation: The 8255 Programming and Operation are follows Programming in Mode 0: The Ports A, B and C can be configured as simple input or output ports by writing the appropriate control word…
Induction Type Directional Overcurrent Relay: The directional power relay is unsuitable for use as a directional protective relay under short-circuit conditions. When a short-circuit occurs, the system voltage falls to a low value and there…
Characteristics of Separately Excited DC Generator: With the advent of silicon-controlled rectifiers, the importance of the dc machine as a generator has considerably reduced as SCRs can be employed to draw dc power from standard…
Selection of Power Plant Interview Questions and Answers: 1. Why are diesel power plants rarely used ? Ans. Diesel power plants have limited field of application as emergency power plants in private industries and other…