Design and Stability Analysis of a proposed Microgrid for on Campus Diesel and Photovoltaic Power Sources
Microgrid for Islanding Mode
DOI:
https://doi.org/10.53560/PPASA(58-1)723Keywords:
Power, Microgrid, Diesel, Photovoltaic, IslandingAbstract
Pakistan is currently facing an energy crisis that is detrimental to its growth. Due to persistent load shedding
by the National Grid throughout the country, the latest trend is tilting towards generating power at localized level
through a mix of renewable and conventional energy sources. Such a mixture is referred to as Distributed Energy
Resource (DER). Part of such a DER (i.e. solar energy) is free as naturally and mostly available in Pakistan having
no degradation problem while providing benefit to the locality. The idea of using a Microgrid for our local power
needs morphed accordingly. In this paper, a Microgrid design for our local campus i.e. University of Engineering &
Technology, Peshawar, KPK is proposed. Our campus generators are not interconnected. Consequently, even while
servicing small load periods, all of our campus’s diesel generators run at full capacity at the same time. Such a
behavior is uneconomical, unacceptable and the generators run at low efficiency during islanding from the main utility
grid. It is seen that behavior as such is endemic throughout Pakistan. Through design and analysis, it is proposed
that if a Microgrid of such unconnected resources on campus is formed then during islanding, all generators and
our Photovoltaic (PV) systems will economically and efficiently feed their common loads through load sharing.
Synchronization, load flow analysis, short circuit analysis, harmonic analysis, transient stability, cost and reliability of
our proposed Microgrid is analyzed using ETAP (Electrical Transient Analyzer Program) in this paper.
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