Elements of Power System (TEE-501)

Assignment No:1 Solution

Supply System Volume of conductor1. DC Systems

i. DC 2 wire system Kii. DC 2 wire mid-point earthed Kiii.

DC 3 wire system 1.25K

2. 1-Phase AC System

i. 1-ϕ AC 2 wire system 2K/cos2 ϕii. 1-ϕ AC 2 wire mid-point earthed 2K/ cos2 ϕiii.

1-ϕ AC 3 wire system 2.5K/ cos2 ϕ

3. 2- Phase AC System

i. 2- ϕ AC 4 wire system 2K/ cos2 ϕii. 2- ϕ AC 3 wire system 2.914K/ cos2 ϕ

4. 3-Phase AC System

i. 3- ϕ 3 wire system 1.5K/ cos2 ϕii. 3- ϕ 4 wire system 1.75K/ cos2 ϕ