Steel castings — General technical delivery requirements
This document specifies the general technical delivery requirements for the supply of steel, nickel, and cobalt alloy castings, including the requirements for the selection and preparation of samples and test pieces.
When a material or product standard differ from this delivery specification, the material or product standard applies. In the case of investment castings, ISOÂ 16468 applies.
This…
Information technology — Digitally recorded media for information interchange and storage — Quality ...
This document specifies a quality discrimination method for optical disks and the operating method of storage systems for long-term digital data preservation using optical disks and optical disk drives (hereinafter referred to as "drives").
It is applicable to recordable (write-once) optical disks which can prevent physical overwriting and deletion by erroneous or intentional operation…
Information technology - Digitally recorded media for information interchange and storage - Quality ...
This document specifies a quality discrimination method for optical disks and the operating method of storage systems for long-term digital data preservation using optical disks and optical disk drives (hereinafter referred to as "drives").
It is applicable to recordable (write-once) optical disks which can prevent physical overwriting and deletion by erroneous or intentional operation…
High-voltage switchgear and controlgear - Part 207: Seismic qualification for gas-insulated switchge...
IEC 62271-207:2023 applies to
- gas-insulated switchgear (GIS) assemblies
- for alternating current of rated voltages above 52 kV complying with IEC 62271-203, and
- for direct current of rated voltages including and above 100 kV,
- for indoor and outdoor installations, including their supporting structures,
- AC metal-enclosed switchgear and controlgear assemblies for rated voltages above 1…
Electromagnetic compatibility (EMC) - Part 3-16: Limits - Limits for harmonic currents produced by t...
IEC TS 61300-3-16:2023 which is a technical specification, deals with the limits for harmonic (including grouped interharmonic) currents produced by the inverter of inverter-type electrical energy-supplying equipment (ESE) as defined in 3.2, but which does not include energy storage. The limits given in this document are applicable to inverters with a reference current as defined in 3.3 (see also…