Unit 2 at Kudankulam Nuclear Power Plant (KKNPP), India’s largest nuclear power plant, suffered an outage on Thursday, due to “loss of power to the control rods”.
Located in the state of Tamil Nadu, in southern India, Unit 2 of the Kudankulam plant has a production capacity of up to 1,000 MW of power.
According to Power System Operation Corporation Limited (POCOSO), the blackout, which was classified as a “forced blackout”, took place at 11:13 a.m. on Thursday. According to available data, KKNPP unit 2 had generated 415 MW of power on Thursday before the blackout. However, no date has been specified for its expected resumption of operations.
Simply put, a control bar is a device used to absorb neutrons. Control rods are intended to monitor the fission process in a nuclear reactor in real time and ensure that it remains active. The nuclear reaction taking place in the reactor core can be slowed down, accelerated or completely stopped using the control rods. Likewise, the output power of a nuclear power plant can also be regulated by means of a control rod.
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KKNPP consists of six Light Water Reactor (VVER) units, each with a capacity of 1000 MW. Set up in technical cooperation with the Russian Federation, the Kudankulam reactors are at the forefront of safety in terms of safety. They incorporate a combination of advanced and multi-layered safety functions ensuring the highest level of safety for the factory, the public and the environment.
Implemented in three phases of 2x1000MW each, units 1 and 2 are operational, while 3 and 4 are about 50 percent under construction. Construction of units 5 and 6 is expected to take up to seven years. Completion of all of these projects over the next few years will provide 6,000 MW of clean energy to the country.