engineering recuitment NCRTC Junior Maintainer Mock Test Series 2025 Network Theory Network Elements Star to Delta Conversion
The phase impedance of a balanced star connected load is ZY = 40 + j30 Ω. What will be the phase impedance of the equivalent Δ-connected load?
1
ZΔ = 40 + j30 Ω
2
ZΔ = 120 + j90 Ω
3
ZΔ = (40+j30) × √3 Ω
4
ZΔ = (120 + j90)/3 Ω