China 'GB/T 311.11-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 311.11-2025
Insulation coordination - Part 11: Definitions, principles, and rules for insulation coordination in high-voltage direct current systems 绝缘配合-第11部分:高压直流系统绝缘配合的定义、原则和规则
Issued Date:2025/6/30
Implemented Date:2026/1/1
Issued by:
The Standardization Administration of the People's Republic of China