Abstract:
The rapid integration of renewable energy sources
into power systems is outpacing the implementation of solutions to address the stability challenges they pose. This
study focuses on the impact of rapid ramp-down incidences of
solar power plants on the stability of isolated power systems
with high non-conventional renewable energy penetration and
minimal support from thermal plants. Key issues include
the intermittency of renewables, reduction of system inertia,
and unpredicted ramp events. By using a simulated scenario
based on the IEEE 14 bus system, comprising hydro and
solar generation plants, this research identifies the maximum
ramp-down rate and duration that the system can withstand
without compromising stability. Hydro power plants, with
their flexible and quick response capabilities, are critical
for frequency control and system stabilization. Solar power
plants, representing the most widely used non-conventional renewable source, add variability to the system.
Authors:
1. Nadun Senarathna (University of Moratuwa, Sri Lanka)
2. Sachini Pamuditha Somathilaka (University of Moratuwa, Sri Lanka
)
3. KTM Udayanga Hemapala (University of Moratuwa, Sri Lanka
)
4. Wijekoon Banda (Ceylon Electricity Board, Sri Lanka
)
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Page(s): 57-61
Date of Publication: 19 September 2024
