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| Standard Insuued on: 1990-12 |
GB/T 12668-1990 General specification for speed control assembly with semiconductor adjustable frequency for A.C.motor
交流电动机半导体变频调速装置总技术条件
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1990-12-28 | |
| Implemented Date: | 1991-10-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 12668.2-2002 Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for low voltage adjustable frequency a.c. power drive systems |
Superseded Date: | 2003-4-1 |
GB/T 678-1990
GB/T 12545.1-2008
GB/T 12529.1-2008
GB/T 12529.3-2008
GB 13022-1991
GB/T 12690.21-1990
GB/T 12689.5-1990
GB/T 12689.3-1990
GB/T 12689.1-1990
GB/T 12690.14-1990
GB/T 12690.13-1990
GB 2367-1990
GB/T 12689.4-1990
GB/T 12690.8-1990
GB/T 12689.8-1990
GB/T 12689.14-1990
GB/T 12761-1991
GB/T 12690.25-1990
GB/T 12689.6-1990
GB/T 12689.7-1990
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