IEC 61788-4-2020 pdf free download - Superconductivity – Part 4: Residual resistance ratio measurement – Residual resistance ratio of Nb‑Ti and Nb 3 Sn composite superconductors. This part of lEC 61788 specifies a test method for the...
IEC 61788-7-2020 pdf free download – Superconductivity – Part 7: Electronic characteristic measurements – Surface resistance of high‑temperature superconductors at microwave frequencies
IEC 61788-7-2020 pdf free download - Superconductivity – Part 7: Electronic characteristic measurements – Surface resistance of high‑temperature superconductors at microwave frequencies. Thispart of IEC 61788 describes measurement of the surface resistance (Rs) ofsuperconductors at microwave frequencies...
IEC 61788-4 2011 pdf free download – Superconductivity – Part 4: Residual resistance ratio measurement – Residual resistance ratio of Nb-Ti composite superconductors
IEC 61788-4 2011 pdf free download - Superconductivity – Part 4: Residual resistance ratio measurement – Residual resistance ratio of Nb-Ti composite superconductors. 4Requirements The resistance measurement both at room and cryogenic temperatures shall be performedwith the...
IEC 61753-2-1-2000 pdf free download – Fibre optic interconnecting devices and passive components performance standard – Part 2-1 : Fibre optic connectors terminated on single-mode fibre for category U – Uncontrolled environment
IEC 61753-2-1-2000 pdf free download - Fibre optic interconnecting devices and passive components performance standard – Part 2-1 : Fibre optic connectors terminated on single-mode fibre for category U – Uncontrolled environment. This part of lEC 61753...
IEC 61730-1-2004 pdf free download – Photovoltaic (PV) module safety qualification – Part 1: Requirements for construction
IEC 61730-1-2004 pdf free download - Photovoltaic (PV) module safety qualification – Part 1: Requirements for construction. This part of lEC 61730 describes the fundamental construction requirements for photovoltaic(PV) 'modules in order to provide safe electrical and...
IEC 61701 2011 pdf free download – Salt mist corrosion testing of photovoltaic (PV) modules
IEC 61701 2011 pdf free download - Salt mist corrosion testing of photovoltaic (PV) modules. Photovoltaic(PV) modules are electrical devices intended for continuous outdoor exposureduring their lifetime.Highly corrosive wet atmospheres,such as marine environments,couldeventually degrade some of the...
IEC 61587-6-2021 pdf free download – Mechanical structures for electrical and electronic equipment – Tests for IEC 60917 and IEC 60297 series – Part 6: Security aspects for indoor cabinets
IEC 61587-6-2021 pdf free download - Mechanical structures for electrical and electronic equipment – Tests for IEC 60917 and IEC 60297 series – Part 6: Security aspects for indoor cabinets. This part of lEC 61587 specifies security...
IEC 61558-2-19-2000 pdf free download – Safety of power transformers, power supply units and similar devices – Part 2-1 9: Particular requirements for perturbation attenuation transformers
IEC 61558-2-19-2000 pdf free download - Safety of power transformers, power supply units and similar devices – Part 2-1 9: Particular requirements for perturbation attenuation transformers 1 Scope Replacement: This International Standard deals with all aspects of...
IEC 61557-12-2021 pdf free download – Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 12: Power metering and monitoring devices (PMD)
IEC 61557-12-2021 pdf free download - Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 12:...
IEC 61547-2020 pdf free download – Equipment for general lighting purposes – EMC immunity requirements
IEC 61547-2020 pdf free download - Equipment for general lighting purposes – EMC immunity requirements. This part of IEC 61547 which deals with electromagnetic immunity requirements,applies tolightingequipment which is within the scope of lIEC technical committee 34,includingapparatus...