5:22

PIE 24 Measuring Soil Resistivity

2:51

Ground potential rise

4:02

Fall of potential test

2:58

Substation grounding course

4:11

Transformer impedance

2:54

Soil Testing by Wenner Method | MARCONITE | INTER TECH | INDIA

3:52

Impedance protection reach definition

4:27

Tolerable step potential