IEC Standards

Free Standards Online

#	Title
41	PD IEC TS 61044-2021 Opportunity charging of lead-acid traction batteries
42	IEC TR 63400-2021 Nuclear facilities – Instrumentation, control and electrical power systems important to safety – Structure of the IEC SC 45A standards series
43	IEC TR 60919-3-2021 Performance of high-voltage direct current (HVDC) systems with line- commutated converters – Part 3: Dynamic conditions
44	IEC TR 60909-4-2021 Short-circuit currents in three-phase AC systems – Part 4: Examples for the calculation of short-circuit currents
45	IEC 62435-7-2020 Electronic components – Long-term storage of electronic semiconductor devices – Part 7: Micro-electromechanical devices
46	IEC 62053-41-2021 Electricity metering equipment – Particular requirements – Part 41: Static meters for DC energy (classes 0,5 and 1)
47	IEC 62053-22-2020 ELECTRICITY METERING EQUIPMENT – PARTICULAR REQUIREMENTS – Part 22: Static meters for AC active energy (classes 0,1 S, 0,2 S and 0,5 S)
48	IEC 62040-1-2021 Uninterruptible power systems (UPS) – Part 1: Safety requirements
49	IEC 61851-25-2020 Electric vehicle conductive charging system – Part 25: DC EV supply equipment where protection relies on electrical separation
50	IEC 61800-1-2021 Adjustable speed electrical power drive systems – Part 1: General requirements – Rating specifications for low voltage adjustable speed DC power drive systems