JB/T 9566-1999
Technical specification for zero sequence current direction protection equipment (English Version)

Standard No.

JB/T 9566-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Latest

JB/T 9566-1999

Replace

ZB K45018-1990

Scope

This standard specifies the classification principles, technical requirements and inspection methods of zero-sequence current direction protection devices. This standard applies to zero-sequence current direction protection devices, which are used for ground fault protection in high-current grounding systems.

JB/T 9566-1999 history

• 1999 JB/T 9566-1999 Technical specification for zero sequence current direction protection equipment