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Table 1 Parameters of the proposed model

From: A new protection scheme for PV-wind based DC-ring microgrid by using modified multifractal detrended fluctuation analysis

System voltage

550 V

PV parameters

 

Sun power

SPR-315E-WHT-D PV module

PVOC = 64.7 V, PVSC = 6.13 A, VMP = 54.8, IMP = 5.77A, Maximum power = 315.072 W, Series strings = 5, Parallel strings = 64, Active power at 1000 (W/m2) = 100 kW

PV 1

4 × 100 kW (Each panel) = 400 kW

PV 1 DC-DC (Buck type) converter

4 × 108 kW (+ 8% IEC 6210); 550 V (DC)

Battery parameters

 

Battery

Lithium-Ion, 96 V, 0.4 kAh

Battery DC-DC Buck-Boost converter

150 kW, 550 V

Grid parameters

 

Grid rating

20MVA, 11 kV

VSC connecting to the utility grid

250 kW

DC-link capacitor

100μF

Wind turbine parameters

 

Wind speed

12 m/s

Wind turbine

Three PMSGs of 30 kW, 90 kW

Load and cable parameters

 

Load 1 and 2

DC lamp load-1 → 250 kW& lamp load-2 → 250 kW

Cable length

2 km

Resistance, inductance, capacitance

0.6251 Ω/km, 0.245 mH/km, 0.514 μF/km

Filter capacitance

30 mF