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GB/T 21056-2007 Active
GB/T 21056-2007 Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps
Abstract
This standard specifies the application conditions, technical requirements, test methods, and evaluation criteria for energy-saving drive systems with variable-frequency speed control for fans and pumps. This standard applies to fans and pumps with a rated power of 315 kW or less, powered by a 660 V or lower voltage and a 50 Hz three-phase AC power supply, and equipped with variable-frequency speed control systems for energy-saving drives.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 21056-2007 |
| CCS | Technical management |
| ICS | Integrated Energy and Heat Transfer Engineering |
| Implement Date | 2008-02-01 |
Price
$ 50
Subtotal
$ 50
Tax
$ 0.00
Order Total (incl. tax)
$ 50