Hybrid Power System

Energy Scenario Drawbacks of current power system Power Failure Non-Conventional Energy Sources Hybrid Power System Block Structure Co-ordination among various power sources in Hybrid

Power System Main technological configuration for Hybrid Power System Advantages and applications

Contents

Energy Scenario

2%

24%

26%

5%

44%

Electricity Consumption(KWh per head per year)

Japan(7000)

India(600)

South Coria(7800)China(1380)

USA(13000)

In KWh per head per year

Average conssumption of electricy worlwide: 2430

Energy Scenario

51%

36%

9%

2%

2%

Energy Profile of India

Coal

Oil

Natural gasNuclear

Hydro

Present in lesser amount then requirement.

Excess Load on power plants and grid

Power Quality

Voltage supplied at mass level

Power grid failure

Drawbacks of current power system

Power failure(Cascading Failure)

Main Reasons:

Disturbance in Generation Frequency.

Overload drawn at consumer side.

Non-Conventional Energy Sources

Combination of more than one conventional

and non conventional power generating plants.

Capable to produce power up to 5 MW

Use of Photovoltaic cells and wind turbines.

Storage of energy.

Batteries, Hydrogen Fuel cell.

Hybrid Power System

Block Structure of Hybrid Power System

Accepts the DC power from the three generating units according to priority rules

Controls the power delivery to the load or loads

Monitors the battery voltage and charges the battery as required.

Cuts off the charger when the battery is fully charged and diverts the power to a suitable load

Co-ordination among different Energy Sources

Electricity Generation Coupled at

DC Bus Line AC Bus Line AC/DC Bus line

Main Technological Configuration for Hybrid Power System

Electricity Generation Coupled at DC Bus Line

Electricity Generation Coupled at AC Bus Line

Electricity Generation Coupled at AC/DC Bus Line

Advantages Average power factor

Power factor of various power plants Hydro .9 thermal .8

The systems are complementary. During the summer months when

there's not much wind there should be ample sunlight and during

the dark winter months it is usually quite windy.

Two different energy sources provide a diversity of supply, reducing

the risk of power outages.

High cost ancillary equipment such as the battery and the inverter

required for a single system must be specified to carry the full

system load. A second system can thus be added without

increasing its capacity or adding cost for more of these

components.

Because of the supply diversity, the capacity of the battery can

most likely be reduced.

The required generating capacity of the basic solar and wind energy

conversion units can be reduced since

Advantages

Lighting Water Supply Communication Supporting Equipment's such as monitoring

and security system.

Applications

THANKS…