IEEE Electrification - March 2021 - 86
Maui: EMT Simulations of 100% Instantaneous
PV and Wind Operation
60.1
60
59.9
59.8
59.7
59.6
59.5
59.4
Frequency (Hz)
Frequency (Hz)
The PSCAD model of Maui mentioned previously is currently being used to simulate a range of operating
scenarios where there is little to no synchronous generation such that most or all of the generation comes from
distributed PV systems, central PV-BESS systems, and
wind plants. For each scenario, several events (faults,
0
4
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Time (s)
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Active Power
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Active Power
Power (MW)
Power (MW)
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Time (s)
(a)
CCGT
GFM BESS
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Time (s)
(b)
PV
SC
60.1
60
59.9
59.8
59.7
59.6
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59.4
Frequency (Hz)
Frequency (Hz)
Figure 13. The simulated system frequency response to the loss of a 240-MW CCGT (there is no more conventional generation left). The scenario with (a) 300-MVA condensers online and (b) no condensers-the zero-inertia case.
0
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60.1
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12
Time (s)
(a)
CCGT
14
GFM BESS
PV
2
4
6
8
10
Time (s)
(b)
SC
Figure 14. The simulated system frequency response to the loss of a 240-MW CCGT (there is no conventional generation left; PVs provide the
inertial and droop response). The scenario with (a) 300-MVA condensers online and (b) no condensers-the zero-inertia case.
86
I E E E E l e c t r i f i cati o n M agaz ine / MARCH 2021
IEEE Electrification - March 2021
Table of Contents for the Digital Edition of IEEE Electrification - March 2021
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