Types of Nuclear Reactor Power Plants

There are many concepts for the nuclear reactors, however, we will discuss few of following types of power plants that have been developed commercially.

Pressurized Water Reactor (PWR) Power Plant :

Pressurized Water Reactor uses water or heavy water as both the coolant as well as moderator. It uses enriched uranium as fuel. Water in the reactor absorbs the heat generated and converts it into steam. This steam generated is used for thermal power plant to drive its turbine and produce energy.

Boiled Water Reactor (BWR) Power Plant :

Boiled water reactor uses water as both coolant as well as moderator. It uses enriched uranium as fuel. In this reactor, water is directly converted into saturated steam. This steam is supplied to the steam turbine in conventional power plant and electrical energy is produced.

CANDU Reactor Power Plant :

CANDU stands for Canadian Deutorium Uranium reactor. It uses pressurized heavy water as moderator and primary coolant. Fuel used is natural uranium.
  For more details see - CANDU Reactor Power Plant

Gas Cooled Reactors (GCR) Power Plant :

These type of reactors uses gas as coolant and graphite as moderator. The advantage of using gas as coolant is that it is safe, easy to handle and it can be heated up to any temperature without change of phase at any pressure.
For more details see - Gas Cooled Reactor (GCR) Power Plants

Sodium Graphite Reactor (SGR) Power Plant :

This power plant uses graphite as moderator and sodium as coolant. Here, sodium is used as primary coolant and sodium potassium (NaK) is used as secondary coolant.

Fast Breeder Reactor (FBR) Power Plant :

In this reactor, moderator is not used. The primary fuel U-235 is surrounded by a blanket of fertile material. Fertile material like U-238 is kept there. Here, fast speed electrons are absorbed by U-238 which produces Pu-239.
  For more details see - Fast Breeder Reactor (FBR) Power Plant

Sujit Kadus

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