PU Per Unit - a positive or negative value referred to a defined base. Values typically range from -10 to +10. Type CIM data type class URI cim:PU CIM standard (perspective) IEC61970 (Grid) Slots Name Cardinality Type Description value 0..1 float n/a multiplier 0..1 UnitMultiplier n/a unit 0..1 UnitSymbol n/a Pressure Reactance