Fig 1.
PV cell equivalent circuit.
Fig 2.
Single-phase H-bridge inverter.
Fig 3.
LCL filter model.
Fig 4.
Modelling of lightning current wave shape (Heidler function).
Table 1.
Lightning current wave shape parameters.
Fig 5.
Lightning current wave shape (8/20 μs).
Fig 6.
Lightning current wave shape (10/350 μs).
Fig 7.
Lightning current wave shape (2/70μs).
Fig 8.
Lightning current wave shape (0.7/6μs).
Fig 9.
Solar PV rooftop system.
Fig 10.
DC input power for solar PV rooftop.
Table 2.
Parameters for modelling in the PSCAD/EMTDC.
Fig 11.
DC voltage for solar PV rooftop.
Fig 12.
DC current for solar PV rooftop.
Fig 13.
AC output power for solar PV rooftop.
Table 3.
Technical data.
Fig 14.
Arrester discharge voltage at In, 20 kA.
Table 4.
Technical data.
Fig 15.
Arrester discharge voltage at In, 20 kA.
Fig 16.
Lightning strikes at the two points of the solar PV rooftop.
Fig 17.
Lightning strike at point 1 between PV array and inverter.
Fig 18.
Lightning strike at point 2 after inverter.
Table 5.
Measured Vinv and Iinv at striking point.
Table 6.
Measured Vinv and Iinv at P2 striking point.
Fig 19.
Variation of lightning impulse current wave shape.
Table 7.
Variation of lightning impulse current wave shape at P1 striking point.
Table 8.
Variation of lightning impulse current wave shape at P2 striking point.
Table 9.
Impact of variation lightning amplitude current at P1 striking point.
Table 10.
Impact of variation lightning amplitude current at P2 striking point.
Table 11.
Variation of cable length at P1.
Table 12.
Variation of cable length at P2.