IEC 61850 Update

I saw a supplier's proposal for implementing a particular feature of IEC 61850 in the substation HMI. I pointed out that IEC 61850 foresees substitution to be more easily and directly done at the source, in the IED as part of its server functionality. However the supplier responded that this application is "academic and of no use." More

Power. Flexible. Easergy.
Let?s start with organization in protection testing