Standard No.:	GB/T 7409.3-1997
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
English Name:	Excitation system for synchronous electrical machines-Technical requirements excitation system for large and medium synchronous generators
Professional Classification:	K21 Synchronous machine
Professional Classification:	GB National Standard
ICS Classification:	29.160.20 Generators
Issued by:
Issued on:	1997-04-01
Implemented on:	1998-04-01
Status:	ABOLISHED
Replace:	GB7409-1987
Replace By:	GB/T7409.3-2007 Excitation system for synchronous electrical machines—Technical requirements of excitation system for large and medium synchronous generators
Replace By Date:	2007-08-01
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150 (USD)
Delivery:	via email in 1-3 business day

1.1 This standard has stated the technical requirements on the excitation devices of the synchronous generator and the rotary condenser, the test items, signs and packaging. It is applicable to the 10MW-and-higher hydraulic generators connected with the electric system and the excitation system of 50MW-and-higher turbogenerators and rotary condensers.

1.2 This standard is exclusively applicable to the excitation system of the following types of exciters.

1.2.1 DC Exciter

The dragging method of the DC exciter can adopt the coaxial or non-coaxial method with the main generator.

1.2.2 AC Exciter

A. AC Exciter with Stationary Rectifier

Note: the rectifier can be controllable or uncontrollable.

B. AC Exciter with Rotating Rectifiers (Brushless Exciter)

1.2.3 Static Exciter

A. Potential Source Static Exciter;
B. Multiple Source Static Exciters