Technical FAQs

Ask a Question

What is the Ability of Micom Series 20 of type P127 for VT Supervision ?

P127: Voltage Transformer Supervision (VTS)

P127 offer the possibility to monitor Voltage Transformer presence and could affect

directional overcurrent. When VTS is detected, overcurrent function can be blocked

or changed to a non directional overcurrent. Moreover, as soon as VTS is detected,

all protection functions which needs voltage measure will be blocked (27 & 32N, for


Was this helpful?
What can we do to improve the information ?