1. PD IEC/TR 61850-90-3:2016. Communication networks and systems for power utility automation Part 90-3: Using IEC 61850 for condition monitoring diagnosis and analysis

2. PD IEC/TR 61850-90-4:2013. Communication networks and systems for power utility automation Part 90–4: Network engineering guidelines

3. PD IEC/TR 61850-90-5:2012. Communication networks and systems for power utility automation Part 90-5: Use of IEC 61850 to transmit synchrophasor information according to IEEE C37.118

4. PD IEC/TR 61850-90-7:2013. Communication networks and systems for power utility automation Part 90-7: Object models for power converters in distributed energy resources (DER) systems

5. PD IEC/TR 61850-90-8:2016. Communication networks and systems for power utility automation Part 90–8: Object model for E-mobility

6. PD IEC/TR 61857-2:2015. Electrical insulation systems - Procedures for thermal evaluation Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems

7. PD IEC/TR 61869-102:2014. Instrument transformers Part 102: Ferroresonance oscillations in substations with inductive voltage transformers

8. PD IEC/TR 61911:2003. Live working - Guidelines for the installation of distribution line conductors - Stringing equipment and accessory items

9. PD IEC/TR 61912-1:2007. Low-voltage switchgear and controlgear - Overcurrent protective devices - Part 1: Application of short-circuit ratings

10. PD IEC/TR 61912-2:2009. Low-voltage switchgear and controlgear - Over-current protective devices - Part 2: Selectivity under over-current conditions