Model ideal negative supply rail
The Negative Supply Rail block represents an ideal negative supply rail. Use this block instead of the Simscape™ DC Voltage Source block to define the output voltage relative to the Simscape Electrical Reference block that must appear in each model.
Do not attach more than one Negative Supply Rail block to any connected line.
The voltage at the output port relative to the Electrical
Reference block ground port. The default value is
The block has the following ports:
Negative electrical voltage