Model step
MV line
Medium-voltage line after the transformers
Inputs used: MV line: loss fraction at STC, Model the MV line
What it is
The medium-voltage line carries the sum of the inverters from the transformers to the substation, or to the injection point when the system has no HV transformer. The resistance of the cable turns part of the power into heat, and that loss grows with the square of the current. A long line on a large system costs a few tenths of a percent of the annual energy.
Options
- Resistive loss: a resistive loss on the sum of the inverters that grows with the square of the power
- Do not model: no MV line loss, with the entered fraction kept on the Losses tab
References
- PVsyst 8 help, AC losses
API
ac_losses.use_mv_line = true | false