Deepakkumar Yadav
Qualities of Fuels Used in Steam (Coal) Thermal Power Plants Following are the types of fuels which can be used for thermal plant: (i) Solid, (ii) Liquids, (iii) Gaseous. They may be natural or prepared. Normally for a thermal power station coal, oil or gas is used as fuel. Gaseous fuel is only economical when … Read more
Feed Water and Steam Circuit and Cooling Water Circuit of Thermal Power Plant Feed Water and Steam Circuit The steam from turbine is condensed in the condenser, then it is heated in a closed feed water heater by means of extracted steam from the low pressure extraction point of the turbine. This heated water then … Read more
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Site selection of coal/steam thermal power plant So many factors are to be considered for the site selection from the economical and environmental point of view. Selection of site for a thermal power plant plays an important role in the economy of the station. One central generating unit is preferred in comparison to number of … Read more
LAYOUT AND WORKING OF A TYPICAL THERMAL POWER PLANT WITH STEAM TURBINES AND ELECTRIC GENERATORS Basically, a central steam power station works on Rankine cycle in which steam is produced by firing of fuels in the boiler. Then it is used in prime movers, it expands, it is then condensed in the condensers used for … Read more
Fuel and Ash Circuit and Air and Gas Circuit in Thermal Power Plant Fuel and Ash Circuit Fuel i.e. coal, from the storage is fed to the boiler through feeding device, which consists of conveyor belt, crushing mill etc. and is called as coal handling plant. Ash produced as a result of combustion of coal … Read more
Electrical Power Generating Process with Blog Diagram Generating stations convert one form of energy into another form of energy. There are various sources in the nature having some form of energy from which mechanical energy is obtained which is converted into electrical energy. Following is the line block diagram giving the energy conversion basically. Energy … Read more
Two Quadrant Choppers Type C Q. Classify chopper based on output voltage and quadrants of operation. List any four applications of chopper. Q. Classify choppers based on quadrants of operation. Sketch only circuit diagram of each. Q. With the help of neat circuit diagram and necessary waveforms, explain class C chopper. Q. Draw and explain … Read more
Advantages of Electric Traction As compared to steam traction, electric traction has the following advantages : 1. Cleanliness. Since it does not produce any smoke or corrosive fumes, electric traction is most suited for underground and tube railways. Also, it causes no damage to the buildings and other apparatus due to the absence of smoke … Read more
Define chopper. Differentiate constant frequency control technique, PWM and variable frequency control technique principle. Sr No. Parameter PWM control (Constant f control) Variable frequency control Current limit control 1. Variable parameter TON is variable, (f or T is constant) to vary average output voltage. TON is constant, f is varied to vary average output voltage. … Read more