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The control of an ultracapacitor (UC)-based dc–dc power supply is crucial to provide reliable energy backup to critical loads in the case of momentary power main failures. In this regard, smooth and seamless transition between charging and discharging controls of UC stack is of paramount importance. For ride-through applications where charging and discharging times are critical, provision of different...
This paper presents the design of a DC/DC power supply which provides energy backup to critical loads in case of momentary power main failures. This paper proposes a switch control of bidirectional converter based on PWM block method. PWM block method ensures smooth, seam less transition between charging and discharging operating modes using ultracapacitor stack as the energy source. The paper also...
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