Important Questions of DC Distribution: 1. Describe briefly the different types of d.c. distributors. 2. What are die advantages of a doubly fed distributor over singly fed distributor ? 3.Derive…
Important Questions of Distribution Systems: 1. What do you understand by distribution system ? 2. Draw a single line diagram showing a typical distribution system. 3. Define and explain the…
Important Questions of Mechanical Design of Overhead Lines : 1. Name the Important components of an overhead transmission lines. 2. Discuss the various conductor materials used for overhead lines. What…
Important Questions of Economics of Power Generation: 1. Explain the terms interest and depreciation as applied to economics of power generation. 2. Discuss the different classifications of costs of electrical…
Important Questions of Characteristics of Electric Motors: Problems of Characteristics of Electric Motors: 1.A 50 hp, 220 V, 1200 rpm dc shunt motor has an efficiency of 85% at full…
Thermistor Operation: The word thermistor is a combination of thermal and resistor. A thermistor is a resistor with definite thermal characteristics. Most thermistors have a negative temperature coefficient (NTC), but…
Optocoupler Circuit Operation: An Optocoupler Circuit Operation (optoelectronic coupler) is essentially a photo-transistor and an LED combined in one package. Figure 20-35(a) and (b) shows the typical circuit and terminal…
Crystal Equivalent Circuit: Crystal Equivalent Circuit - The output frequency of oscillator circuits is normally not as stable as required for a great many applications. The component values all have…
