GB/T 26921-2011The guide of design optimization for motor systems (fans,pumps,air compressors) (English PDF)
电机系统（风机、泵、空气压缩机）优化设计指南
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 19, 2011
Implementation date
March 1, 2012
Scope
GB/T 26921-2011 is the English-translated version of 电机系统（风机、泵、空气压缩机）优化设计指南.
GB/T 26921-2011 is the Chinese standard "The guide of design optimization for motor systems (fans,pumps,air compressors)".
Its scope clause reads: This standard specifies the basic requirements for the selection of the motor system design, selection of the motor, the motor speed control mode and speed control devices, as well as wind Optimization systems, pump systems, air compressor system design and evaluation.
This standard applies to motor system (fans, pumps, air compressor) to optimize the design and evaluation of energy conservation.
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Document preview — GB/T 26921-2011
National Standard of the People's Republic of China
- ICS
- 27.010
- Classification
- F 01
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 motor system of the basic requirements of
- 4.1 power supply quality requirements
- 4.4 motor system harmonic limits
- 4.5 motor system of measuring instruments with the requirements of
- 5 motor selection
- 5.1 The basic principle of the motor chosen
- 5.2 Non-speed operation of the motor Selection
- 5.3 Speed selection operation of the motor
- 6.2 Select motor speed control mode and the control method
- 7 Fan System Design
- 7.1 Basic Requirements
- 7.2 Network Design
- 7.3 Selection of the fan
- 7.4 blower motor 10 matches
- 7.5 fan system optimization design Evaluation
- 8 Pump System Design
- 8.1 Basic Requirements
- 8.2 Pump Unit operation mode and pump design flow
- 8.3 pump system piping and pipe network design
- 8.4 Pump Selection
- 8.6 Evaluation of the pump system optimization design
- 9 Air Compressor System Design
- 9.1 Basic Requirements
- 9.2 determine the compressed air system design flow of
- 9.3 selection of air compressor
- 9.5 tank
- 9.6 Compressed air station arrangement
- 9.7 compressed air line
- 9.8 Other Requirements
- 9.9 Evaluation of the air compressor system optimization design
- Appendix A (informative) Types and characteristics of the main motor
- Annex B (informative) motor speed control mode
- Annex C (informative) motor system design technical and economic comparison
1 Scope
This standard specifies the basic requirements for the selection of the motor system design, selection of the motor, the motor speed control mode and speed control devices, as well as wind
Optimization systems, pump systems, air compressor system design and evaluation.
This standard applies to motor system (fans, pumps, air compressor) to optimize the design and evaluation of energy conservation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 755 rotary motor fixed and performance
GB 4943 Safety of Information Technology Equipment
GB 10068 for the measurement of mechanical shaft heights of 56mm and above vibration motor, evaluation and limits
GB 10069.3 rotary motor noise limits and measurement method - Part 3. Noise limits
GB/T 12497 three-phase asynchronous motor economy
GB/T 12668.2 speed electric drive systems - Part 2. General requirements for low voltage adjustable frequency ac power drive systems rating
Provision
GB 12668.3 speed electric drive systems Part 3. EMC product standard including specific test methods
GB/T 12668.4 speed electric drive systems - Part 4. General requirements AC voltage 1000V or more but not exceeding 35kV
AC speed electric drive systems - Rating specifications
GB/T 13277 ships with compressed air quality classes
GB/T 13466 AC driven fan (pump, air compressor) General economic operation
GB/T 13957 series of large-scale three-phase asynchronous motors basic technical conditions
GB/T 14549 Power quality utility grid harmonic
GB 14711 Safety requirements of small and medium rotary motor
GB/T 16665 air compressor unit and air system energy monitoring method
GB 18613 small and medium three-phase asynchronous motor energy efficiency limit value and energy efficiency rating
GB 19153 displacement air compressors energy efficiency limit value and energy efficiency rating
GB 19761 fan energy efficiency limit value and energy efficiency rating
GB 19762 water pump energy efficiency of limited value and energy conservation evaluation values
GB 20052-phase distribution transformer energy efficiency of limited value and energy conservation evaluation values
GB/T 21056 fan, pump load frequency control energy-saving drive system and its application technology conditions
GB/T 21210 single-speed three-phase cage induction motor starting performance
GB 21518 AC contactor energy efficiency limit value and energy efficiency rating
GB 50029 air station design specifications […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 62 pages — is available in the English PDF.
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