Abstract
In this paper an integral pressurized water reactor (IPWR) has 100 MW capacity with passive safety features. The design of IPWR focuses on enhancing the safety and reliability of the reactor by employing inherent safety features such as low core power density, elimination of large break loss of coolant accident, etc. In addition, in order to prevent the progression of emergency situations into accident, IPWR is provided with a number of engineered safety features such as passive residual heat removal system (PRHRS).This paper presents an overview of the IPWR design, and results of over-pressure accident analyses. The results of the accident analyses show that IPWR provides the inherent over-pressure protection capability for design basis accidents without actuation of any protection devices such as safety valves, rupture disks, etc.
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