What is Through Faults:
Through fault is nothing but a fault which occurs outside of the protective zone or in simple words the external fault is called through fault. Two kind of through fault is considered as through fault. One is External short circuit and another one is overload condition.
Through fault Types:
- External short circuit: The short circuit occurs between the two phase or more phase for several hundred meters. The line fault reflects in the power generator. In this, from the generator point of view this short circuit fault is called through fault.
- Overloading: Overloading means the power sources delivers excessive current.