GB/T 7409.4-2023: Excitation systems for synchronous machines - Part 4: Technical requirements of excitation systems for medium and small synchronous machines

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Scope

This document specifies the general requirements and usage conditions for the excitation
systems for medium and small synchronous machines, the performance requirements for the
excitation systems for synchronous generators, the performance requirements for the excitation
systems for synchronous machines, the test rules, equipment completeness, marking, packaging,
transportation and storage, as well as mass production and quality assurance, etc.
This document is applicable to the design and manufacturing of the excitation systems for 50
Hz and 60 Hz synchronous machines in the following scopes:
---hydraulic generators below 10,000 kW;
---turbine generators below 6,000 kW;
---internal combustion generators of 3,200 kW and below;
---synchronous machines below 10,000 kW.

Basic Data

Standard ID	GB/T 7409.4-2023 (GB/T7409.4-2023)
Description (Translated English)	Excitation systems for synchronous machines - Part 4: Technical requirements of excitation systems for medium and small synchronous machines
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K20
Classification of International Standard	29.160.01
Word Count Estimation	18,177
Date of Issue	2023-09-07
Date of Implementation	2024-04-01
Older Standard (superseded by this standard)	GB/T 10585-1989
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration