登录
首页 / 标准检索

标准检索

共找到 26,254 项标准,第 181 / 1313 页

IEC 61788-27:2025
Superconductivity - Part 27: Twist pitch measurement of practical superconducting wires - Twist pitch measurement of Nb?Ti/Cu and Nb?Sn/Cu composite superconductors
现行 ICS 29 电气工程 2025 73 页 ¥5
IEC 61788-2:2006
Superconductivity - Part 2: Critical current measurement - DC critical current of Nb3Sn composite superconductors
现行 ICS 29 电气工程 2006 73 页 ¥5
IEC 61788-4:2020
Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors
现行 ICS 29 电气工程 2020 69 页 ¥5
IEC 61788-5:2013
Superconductivity - Part 5: Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
现行 ICS 29 电气工程 2013 50 页 ¥3
IEC 61788-6:2011
Superconductivity - Part 6: Mechanical properties measurement - Room temperature tensile test of Cu/Nb-Ti composite superconductors
现行 ICS 77 冶金 2011 66 页 ¥5
IEC 61788-7:2020
Superconductivity - Part 7: Electronic characteristic measurements - Surface resistance of high-temperature superconductors at microwave frequencies
现行 ICS 29 电气工程 2020 87 页 ¥5
IEC 61788-8:2010
Superconductivity - Part 8: AC loss measurements - Total AC loss measurement of round superconducting wires exposed to a transverse alternating magnetic field at liquid helium temperature by a pickup coil method
现行 ICS 17 计量学和测量、物理现象 2010 34 页 ¥2
IEC 61788-9:2005
Superconductivity - Part 9: Measurements for bulk high temperature superconductors - Trapped flux density of large grain oxide superconductors
现行 ICS 29 电气工程 2005 39 页 ¥2
IEC 61797-1:1996
Transformers and inductors for use in telecommunication and electronic equipment - Main dimensions of coil formers - Part 1: Coil formers for laminated cores
现行 ICS 33 电信、音频和视频工程 1996 45 页 ¥3
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
现行 ICS 29 电气工程 2021 272 页 ¥5
IEC 61800-2:2021
Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for adjustable speed AC power drive systems
现行 ICS 29 电气工程 2021 233 页 ¥5
IEC 61800-3:2022
Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods for PDS and machine tools
现行 ICS 33 电信、音频和视频工程 2022 264 页 ¥5
IEC 61800-5-1:2022/COR1:2023
Corrigendum 1 - Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy
现行 ICS 13 环保、保健和安全 2022 10 页 ¥1
IEC 61800-5-2:2016 RLV
Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional
现行 ICS 29 电气工程 2016 274 页 ¥5
IEC 61800-5-3:2021
Adjustable speed electrical power drive systems - Part 5-3: Safety requirements - Functional, electrical and environmental requirements for encoders
现行 ICS 13 环保、保健和安全 2021 215 页 ¥5
IEC 61800-7-1:2015
Adjustable speed electrical power drive systems - Part 7-1: Generic interface and use of profiles for power drive systems - Interface definition
现行 ICS 35 信息技术、办公机械 2015 238 页 ¥5
IEC 61800-7-302:2015
Adjustable speed electrical power drive systems - Part 7-302: Generic interface and use of profiles for power drive systems - Mapping of profile type 2 to network technologies
现行 ICS 35 信息技术、办公机械 2015 67 页 ¥5
IEC 61800-7-303:2015
Adjustable speed electrical power drive systems - Part 7-303: Generic interface and use of profiles for power drive systems - Mapping of profile type 3 to network technologies
现行 ICS 35 信息技术、办公机械 2015 240 页 ¥5
IEC 61800-7-304:2015
Adjustable speed electrical power drive systems - Part 7-304: Generic interface and use of profiles for power drive systems - Mapping of profile type 4 to network technologies
现行 ICS 35 信息技术、办公机械 2015 197 页 ¥5
IEC 61800-9-1:2017
Adjustable speed electrical power drive systems - Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM)
现行 ICS 29 电气工程 2017 61 页 ¥5