HW4.docx - Sai Praneetha Mutyala EE 444 Power Systems Technology Prof Mohammad Beshir September 19th 2017 EE 444 Power Systems and Technology Assignment

HW4.docx - Sai Praneetha Mutyala EE 444 Power Systems...

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Sai Praneetha Mutyala EE 444 – Power Systems Technology Prof Mohammad Beshir September 19 th , 2017. EE 444 – Power Systems and Technology Assignment 4 1. The problem that happened with the Fukushima incident was unpredictability of Tsunami which disabled the emergency generators to cool down the reactors. The insufficient cooling led to the three nuclear meltdowns, hydrogen air explosions and the release of radioactive material into air. This hence was one of the most dangerous accident and made it get appear on the point 7 on the scale of damage created by it. Due to such events, nuclear power is considered as risky. But there are few safety tips which if followed correctly, it can help us from preventing such accidents in the future. They are as following: Stabilize the Electric Supply system: As mentioned above, the supply of electric power was cut off from the reactors due to earthquake and Tsunami. And as the emergency generators too failed to perform, the massive explosion occurred. Hence, to prevent such disasters, it is better that multiple connections to the offsite power grid be installed, and emergency diesel generators should be kept in addition to the number of mobile emergency diesel generators be deployed. Store spent fuel in dry casks: It is evident from Fukushima accident that when cooling system fails, it is a danger for fuel storage pools. As water level dropped, the stored pools also melted away
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