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Use of open channel communication in automatic generation control (AGC) of interconnected power systems leads to time delay in the secondary frequency control loop. Such time delayed AGC of a power system can lead to unstable operation. This paper presents an insight on how gain tuning approaches need to be changed from single objective to multi objective in order to achieve stable operation as well...
In a power system network, the system power needs are met by all the generating stations working in coordination. When there are many power generating units, a lot many operating strategies are possible to meet the time based varying power demand. In this paper, an optimization study is carried out to checkout the cost effectiveness of using a deloaded photovoltaic (PV) instead of battery. The three...
This paper deals with a grid connected DC microgrid. The DC microgrid which consists of a PV array and DC loads has been integrated into the main grid through a 3-phase inverter to take power from the grid during low generation and feed the grid during high generation. A control scheme to manage the power flow in DC microgrid by tuning the conventional proportional-integral (PI) controllers in the...
In the present scenario, due to the growing of energy demand it is necessary to maintain system stability. For this reason, various equipments based on the power electronics have been developed under the name of Flexible Alternating Current Transmission Systems (FACTS) devices; which are used in the last couple of years. Among all the facts devices Unified Power Flow Controller (UPFC) is the most...
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