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Energy management and control of solar aided UPS

Publication Type : Conference Paper

Publisher : Advancements in Power and Energy (TAP Energy), 2015 International Conference on

Source : Advancements in Power and Energy (TAP Energy), 2015 International Conference on, Kollam, India (2015)

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Keywords : battery charger, Battery chargers, battery charging control loop, battery efficiency improvement, Bridge circuits, Conferences, control system synthesis, DC-DC Converter, Energy management systems, energy management technique, Energy storage, grid-supported, Half Bridge Converter, half-bridge converter, Maximum power point trackers, Maximum Power Point Tracking, Maximum Power Point Tracking (MPPT), MPPT, power transfer, Pulse width modulation, PV module, secondary cells, smart control, SOC monitoring, Solar cells, solar photovoltaic powered UPS system, solar PV aided UPS controller design, State of Charge (SOC), Stress, Switches, Topology, Transformer cores, uninterruptible power supplies, Uninterruptible power systems, Voltage control, voltage mode control

Campus : Amritapuri, Coimbatore

School : School of Engineering

Department : Electrical and Electronics

Year : 2015

Abstract : Solar photovoltaic (PV) powered UPS system requires a smart control and energy management techniques along with battery charger for efficient power transfer and energy storage. This paper presents the energy management system and controller design of the solar aided UPS implemented with the half-bridge converter. Designed DC-DC converter employs the voltage mode control using Maximum Power Point Tracking (MPPT) and the battery charging control loop. The control objective is to balance the power · ow from the PV module to the battery and the load such that the PV power is utilized effectively and the battery is charged with three charging stages. Unlike conventional UPS systems, the control technique prioritizes solar power over grid to charge the battery. To improve the battery efficiency and life time different SOC levels have been chosen and energy management is done by monitoring the SOC.

Cite this Research Publication :
Dr. P. Kanakasabapathy, Gopal, V. K., V, A., Mohan, A., and Reddy, E. H. S., “Energy management and control of solar aided UPS”, in Advancements in Power and Energy (TAP Energy), 2015 International Conference on, Kollam, India, 2015.

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