engineering recuitment RVUNL Technician III Mock Test Series 2025 Electrical Machines Transformer Regulation of a Transformer
A transformer may have negative voltage regulation if the load power factor (p.f.) is
1
Leading for some values of p.f.
2
Unity p.f.
3
Lagging but not zero p.f.
4
Only zero p.f. lag
5
None of the above