What is the definition of the p.u value of a quantity, unit per system?
1
In the same unit, it is the ratio of the actual value of a quantity to the base value of the quantity.
2
In the same unit, the difference between the actual value of the quantity and the base value of the quantity.
3
In the same unit, the ratio of the base value of a quantity and the actual value of the quantity.
4
In the same unit, the algebraic sum of the real value of a quantity and the base value of a quantity.