A hydroelectric plant consists of a reservoir for storage of water, a diversion dam, an intake structure for controlling and regulating the flow of water, a conduit system to carry the water from the intake to the waterwheel, the turbines coupled with generators, the draft tube for conveying water from waterwheel to the tailrace, the tailrace and a power house [...]
The hydroelectric power plants may be classified according to:- A. Classification According to the Extent of Water Flow Regulation Available B. Classification According to Availability of Water Head C. Classification According to Type of Load Supplied D. Classification of Hydroelectric Power Plants Based on Installed Capacity. A. Classification According to the Extent of Water Flow Regulation Available: According to the [...]
In this article we will discuss about:- 1. Steam Power Plants 2. Efficiency of Steam Power Plants 3. Merits and Demerits 4. Layout 5. Steam Power Plant Auxiliaries 6. Turbo-Alternators. Introduction to Steam Power Plants: The fact that thermal energy is the major source of power generation itself shows the importance of thermal power generation in India more than 50 [...]
The modern ash handling systems usually used in large steam power plants are: 1. Belt Conveyor System 2. Pneumatic System 3. Hydraulic System 4. Steam Jet System. 1. Belt Conveyor System: In this system, the ash is made to fall through a water seal over the belt conveyor in order to cool it down and then carried to a dumping [...]
The factors to be considered while selecting a site for a steam power plant for economical and efficient generation are: 1. Nearness to the Load Centre 2. Supply of Water 3. Availability of Coal 4. Land Requirement 5. Type of Land 6. Transportation Facilities 7. Labour Supplies 8. Ash Disposal 9. Distance from Populated Area. Factor # 1. Nearness to [...]
Power reactors commonly employed in nuclear power plants are briefly described as follows: 1. Boiling Water Reactor (BWR) 2. Pressurized Water Reactor (PWR ) 3. Gas Cooled Reactor 4. Heavy Water Cooled and Moderated (CANDU TYPE) Reactor 5. Liquid Metal Cooled Reactor 6. Fast Breeder Reactor. 1. Boiling Water Reactor (BWR): This is the simplest type of water reactor. It [...]
There are many ways of classifying water or hydraulic turbines, for example, according to the type of flow of water, according to action of water on moving blades, according to head and quantity of water available, after the name of originator and according to the specific speed of the machine. According to the type of flow of water, the water [...]
In this article we will discuss about:- 1. Operation of Steam Turbines 2. Classification of Steam Turbines 3. Compounding. Operation of Steam Turbines: The operation of a steam turbine is based upon the principle that the steam issuing from a small opening attains a high velocity. This velocity attained during the expansion of the steam depends on the initial and [...]
In this article we will discuss about:- 1. Introduction to Diesel Electric Power Plant 2. Selection of Site for Diesel Electric Power Plant 3. Maintaining Records (Log Sheets) 4. Layout 5. Performance and Thermal Efficiency 6. Supercharging and Its Advantages 7. Merits and Demerits 8. Applications. Introduction to Diesel Electric Power Plant: Diesel electric power plant is a power plant in [...]
A diesel electric power plant comprises of the engine proper and the auxiliary equipment as follows: 1. Diesel Engine 2. Engine Air Intake 3. Engine Fuel System 4. Engine Exhaust System 5. Engine Cooling System 6. Engine Lubricating Oil System 7. Engine Starting 8. Diesel Engine Generator. Element # 1. Diesel Engine: This is the main component of the power [...]