Online Standards Store
Power and voltage transformers and reactors. Test methods of insulation dielectric strength
Document status: Active
Electric power supply systems of aircrafts and helicopters. General requirements and norms of quality of electric energy
Document status: Withdrawn
Short-circuits in electrical installations. Calculation methods in a. c. electrical installations with voltage below 1 kV
Document status: Active
Explosion-protected electrical apparatus. Part 14. Electrical installations in explosive gas atmospheres (other than mines)
Document status: Cancelled
General purpose 110 and 150 kV power oil transformers. Specifications
Document status: Active only in RF