The services of Pacific Powertech Inc. (PPI) were retained by Nelson Hydro to perform necessary repairs on utility switchyard voltage regulator. The voltage regulator and tap changer components were removed and inspected for any damage, followed by required repairs and full commissioning of the system including protection coordination system review of settings, trip times and input/output alarms and trips.Read more... Electrical systems consist of many components working in conjunction and synchronization with each other, as the result Pacific Powertech always looks at overall electrical scheme to ensure all necessary inspection are performed as part of maintenance and repairs.