Studying the Influence of Connecting New Energy Saving Loads on the Electrical Power System of Nuclear Facility

Document Type : Original Article

Authors

1 Department of Nuclear Safety and Radiological Emergencies, NCRRT, Atomic Energy Authority, Egypt

2 Faculty of Engineering, Zagazig University - Egypt

3 Vice Dean of the Faculty of Computers and Information, Zagazig University- Egypt.

Abstract

Electrical system of nuclear facility should have suitable safety mechanisms and minimum losses for providing reliability of power supply to guarantee the continuity of operation. The purpose of having electrical infrastructure with high efficiency is to have energy delivery systems with high efficiency. So in this research, a proposed model of the nuclear reactor electrical system will be presented to study the effect of connecting new energy saving loads and advanced controllers on the system performance in order to keep safe and good performance of this nuclear facility. By using Electrical Transient Analysis Program (ETAP) software the NRR simulation model was developed. The analysis was performed with using nonlinear energy saving lighting systems and Variable Frequency Drive (VFD) installed as a controlled for secondary pump of the reactor by providing smooth motor starting also its advantage for energy saving. From the results, active power consumed and current were reduced, while VTHD and ITHD increase clearly. Finally the influences of using large number of LED (Light Emitting Diode) lamps and VFDs on the power quality were observed but not exceed the IEEE standard limits. Also, its impact on energy savings and economic benefits with safe and reliable operation was achieved.

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