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ElectricalPower System
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Which of the following is the hydro-electrical power plant ?

A

Bhakra

B

Panki (Kanpur)

C

Singrauli

D

Badarpur

Correct Answer

тЪЩя╕П TE тАв Technical Concept & PrincipleElectricalPower System
Option A

Bhakra

Quick Summary:

The Bhakra Dam project features a major hydroelectric power station located on the Sutlej River in India. It is a gravity dam that utilizes the potential energy of stored water to drive turbines for electricity generation, classifying it as a hydroelectric power plant.

тЪЩя╕ПTETechnical SolutionConcept & Principle
ЁЯТб Explanation

The Bhakra Dam project features a major hydroelectric power station located on the Sutlej River in India. It is a gravity dam that utilizes the potential energy of stored water to drive turbines for electricity generation, classifying it as a hydroelectric power plant.

ЁЯФв Key Formulas

P=╬╖тЛЕ╧БтЛЕgтЛЕQтЛЕHP = \eta \cdot \rho \cdot g \cdot Q \cdot HP=╬╖тЛЕ╧БтЛЕgтЛЕQтЛЕH тАФ Power output of a hydro-plant where ╬╖\eta╬╖ is efficiency, ╧Б\rho╧Б is water density, QQQ is discharge, and HHH is head.

тЪЩя╕П Working Principle

Hydroelectric plants convert the potential energy of water stored at a higher elevation into kinetic energy as it flows through penstocks. This kinetic energy strikes the runner blades of a hydraulic turbine, causing rotation, which in turn drives the generator's rotor to produce electrical energy through electromagnetic induction.

ЁЯУМ Key Points
  • тЦ╕

    Bhakra Nangal is one of the largest multipurpose river valley projects in India.

  • тЦ╕

    Hydroelectric plants provide base load or peaking power and are highly flexible for grid regulation.

  • тЦ╕

    Conventional thermal plants like Panki, Singrauli, and Badarpur utilize coal combustion.

  • тЦ╕

    Hydroelectric generation is a form of renewable energy with zero direct greenhouse gas emissions during operation.

тЬЕ Advantages
  • тЦ╕

    Clean and renewable energy source

  • тЦ╕

    Rapid start-up time for grid synchronization

  • тЦ╕

    Long operational life compared to thermal plants

тЭМ Disadvantages / Limitations
  • тЦ╕

    High initial capital investment

  • тЦ╕

    Environmental impact on local ecosystems and displacement

  • тЦ╕

    Dependent on rainfall and seasonal water availability

ЁЯЫая╕П Applications / Uses
  • тЦ╕

    Grid stabilization through load frequency control

  • тЦ╕

    Peak load shaving in power distribution networks

ЁЯФД Comparison Table
FeatureHydroelectric (Bhakra)Thermal (Panki/Singrauli/Badarpur)

Generation Source

Gravitational potential energy of water

Chemical energy of coal combustion

ЁЯУД Additional Information
  • тЦ╕

    Panki, Singrauli, and Badarpur are well-known thermal power stations in India that rely on steam turbines powered by burning coal.

  • тЦ╕

    Bhakra Dam is located on the Sutlej river in Himachal Pradesh/Punjab border.

ЁЯУК Diagram / Illustration
Hydro-Electric Energy ConversionReservoirTurbineGeneratorPotential Energy (mgh) тЖТ Kinetic Energy (1/2mv┬▓) тЖТ ElectricalPower (P)
тЬЕ

A is correct тАФ Bhakra is a major hydroelectric power plant that uses stored river water to generate electricity.

Core Concepts Used
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Hydraulic turbines Potential energy to electrical conversion Penstock hydraulics
ЁЯТб EXAM TIP

Always differentiate between thermal (coal-based) and hydro (water-based) plants in Indian power system questions, as geography often dictates the plant type in the options.

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