Types of Insulator
Solution:
- Pin insulator (Upto 33KV)
- Suspension type insulator (More than 33KV)
- Strain insulator (Less than 11KV)
- Shackle insulator (Low voltage)
Surge Impedance and Surge Impedance Loading
Solution: Surge Impedance: Impedance of the transmission line without losses is called Surge Impedance. Zs = √(L/C). Surge Impedance Loading: The power delivered by the line to a purely resistive load equal to it's surge impedance or the load at which inductive and capacitive,reactive volte amphere are equal and opposite this is called surge impedance loading. SIL = VsVr / Zs
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