Architecture of Substation Secondary Systems

AS3 Using IEC 61850

Over the last decade National Grid UK and US have established a range of technical policy, specifications and engineering processes for the standardized application of the numerical relays and other modern IEDs. Significant business benefits have been achieved in reduction of cost, physical space and delivery time of some projects. However, the numerical devices have also brought along a number of life cycle issues to the substation secondary systems. More

Let?s start with organization in protection testing