September 2015 - Failure Analysis at a PV-plant - several PID damages found
A PV plant with an installed nominal power of 60kWp had delivered significantly less energy than expected. It became apparent, that the voltage of all PV strings was different and in general much too low (even when the high ambient temperatures were taken into account).
May 2015 - Recurring Electrical Verification of Industry Complex
Occupational Health and Safety Authorities require the recurring verification of electrical installations in industrial buildings. Hirsch Servo AG in Glanegg (Carinthia, Austria) had the electrical installation of all production-, storage- and office facilities verified by Zehndorfer Engineering.