Standard No.:	GB/T 7409.3-2007
English Name:	Excitation system for synchronous electrical machines—Technical requirements of excitation system for large and medium synchronous generators
Chinese Name:	同步电机励磁系统大、中型同步发电机励磁系统技术要求
Chinese Classification:	K21    Synchronous machine
Professional Classification:	GB    National Standard
ICS Classification:	29.160.20 29.160.20    Generators 29.160.20
Issued by:	AQSIQ and SAC
Issued on:	2007-1-16
Implemented on:	2007-8-1
Status:	valid
Superseding:	GB/T 7409.3-1997 Excitation System for Synchronous Electrical Machines - Technic
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1.1 This part specifies the technical requirements, test items, marking and packing of the excitation systems for synchronous electrical machines and phase modifiers and it applies to the excitation systems for those 10MW and above hydraulic generators, 50MW and above turbine-type synchronous electrical machines and phase modifiers that are connected with power system. The excitation systems for generator motors also may be used by making reference thereof. 1.2 This part only applies to the excitation systems of the following types: 1.2.1 Excitation system with AC exciter a) AC exciter with stationary rectifier; b) AC exciter with rotating rectifier (brushless excitation system). 1.2.2 Static excitation system a) Potential source static excitation system; b) Compound source static excitation system.

Contents Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Operating Conditions 5 Basic Performance 6 Tests 7 Marking, Packaging, Transportation and Storage 8 Product Quality Assurance Period 9 User's Special Requirements