POWER PLANTS

SUBRAMANYAM.P114P5A0303

TYPES OF POWER PLANTS

Wind power plants (1No-1MW)

Solar power plant (1No-2MW)

Hydel-power plant (22No-42240MW)

Thermal power plant(6No-7900MW)

The installed capacity of APGENCO on 31.07.2012 is 8924.9 MW.Comprising 5092.5 MW Thermal, 3829.4 MW Hydro, 2 MW Wind power stations and 1 MW solar power. It contributes about half the total Energy Requirement of AP. APGENCO is third largest power generating utility in the Country next to NTPC & MAHAGENCO. It installed a Hydro capacity of 3664.4 MW and is the second highest among the Country.

INTRODUCTION

With the world on a development , there is shortage of power in most places while the demand seems to be in a never ending . There are several answers to this challenge such as the nuclear power

plants, but the conventional thermal power

plants also play an equally important role in this power generation..

CLASSIFICATIONTHERMAL POWER PLANTS ARE CLASSIFIED BY THE TYPE OF FUEL AND THE TYPE OF PRIME MOVER INSTALLED

By fuel Nuclear power plants Fossil fuelled power plants Biomass fuelled power plants Solar thermal By prime mover Steam turbine Gas turbine Combined cycle Reciprocating engines Micro turbines , stirling engine

NEED FOR THERMAL POWER GENERATION

Scarcity of water resources

Widely available alternate fuels

Maintenance and lubrication cost is lower

Coal is abundant

Working fluid

THERMAL POWER PLANT

(STEAM POWER PLANT)

SCHEMATIC DIAGRAM OF THERMAL POWER PLANT

GENERAL LAYOUT OF THERMAL POWER PLANT

The layout of steam power plant is shown in the above figure.

It consist of four main circuits they are:

1.Coal and Ash circuit

2.Air and flue gas circuit

3.Water and Steam circuit & 4.Cooling water circuit

DETAILED PROCESS OF POWER GENERATION IN A THERMAL POWER PLANT:

Water intake

Boiler heating

Steam Turbine

Generator

Special mountings

Ash collection system

Other monitoring instruments

ADVANTAGES OF THERMAL POWER PLANTS

Initial cost & Fuel

Less space & can be Install at any place

Cost of generation

Maintenances and lubrication cost Nature's mercy

construction and commission time

DISADVANTAGES OF THERMAL POWER PLANT Air pollution

Starting time & Efficiency

Transportation of fuel

Power generation cost

Requires skilled manpower

Life of the plant

FUTURE PROSPECTS

Accelerating the Development of CO2 Capture and Storage Technology is the Key to Realize Next-generation Power Generation System.

Preventive Maintenance Technologies that Support the Long-term, Stable Operation Facilities and Extension of the Service Life of High-temperature Gas Turbine Parts.

ANY QUESTIONS ?

THANK YOU ….;;