This standard specifies the general technical requirements, supply scope, standby redundancy, special tools, factory and field test, and trial operation requirements for the hydro generators and their auxiliary equipments.
This standard is applicable to the 50Hz three-phase salient pole synchronous generators (hereinafter referred to as hydro generators) directed connected with the hydraulic turbines and with rated capacity 25 MVA and above. The exported hydro generators with rated capacity less than 25 MVA or frequency equal to 60 Hz may be implemented in reference to this standard.
Contents Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Operating Environment Conditions 5 Rated Values and Parameters 6 Temperature Rise and Temperature 7 Operating Characteristics and Electrical Connection 8 Insulation Performance and Withstand Voltage Test 9 Mechanical Characteristics 10 Fundamental Structural Requirements 11 Ventilation and Cooling System 12 Braking System 13 Fire Extinguishing System 14 Detecting System, Devices and Elements 15 Excitation System 16 Supply Scope 17 Marking, Packing, Transportation and Storage 18 Factory and Field Test 19 Trial Operation and Guarantee Period Appendix A (Informative) Standby Redundancy Appendix B (Informative) Special Tools Appendix C (Informative) Technical Document and Drawing
This standard specifies the general technical requirements, supply scope, standby redundancy, special tools, factory and field test, and trial operation requirements for the hydro generators and their auxiliary equipments.
This standard is applicable to the 50Hz three-phase salient pole synchronous generators (hereinafter referred to as hydro generators) directed connected with the hydraulic turbines and with rated capacity 25 MVA and above. The exported hydro generators with rated capacity less than 25 MVA or frequency equal to 60 Hz may be implemented in reference to this standard.
Contents of GB/T 7894-2009
Contents
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Operating Environment Conditions
5 Rated Values and Parameters
6 Temperature Rise and Temperature
7 Operating Characteristics and Electrical Connection
8 Insulation Performance and Withstand Voltage Test
9 Mechanical Characteristics
10 Fundamental Structural Requirements
11 Ventilation and Cooling System
12 Braking System
13 Fire Extinguishing System
14 Detecting System, Devices and Elements
15 Excitation System
16 Supply Scope
17 Marking, Packing, Transportation and Storage
18 Factory and Field Test
19 Trial Operation and Guarantee Period
Appendix A (Informative) Standby Redundancy
Appendix B (Informative) Special Tools
Appendix C (Informative) Technical Document and Drawing
