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Generally the low power consumption is achieved by unity power factor, so it has been considered as great concern in electrical systems. For the power factor improvement, different converters and control topologies are used. Power factor correction on interleaved bridgeless rectifier based on different current control technique is proposed in this paper. Major Strategies like a power factor improvement, harmonic reduction for interleaved type PFC converters are more suitable than conventional PFC converters. The proposed work is to investigate the efficient current controllers used to improve the input performance of UPS.