Two international standards in the field of high-voltage direct current switchgear equipment, led by our country, have been released.

Today, the reporter learned that two international standards, "High voltage switchgear and control equipment Part 313: DC circuit breakers" and "High-voltage switchgear and control equipment Part 315: DC conversion switches", jointly developed by our country, have been officially released. These two international standards specify the technical requirements and test methods for high-voltage DC circuit breakers and high-voltage DC conversion switches, providing a unified technical specification for high-voltage DC switchgear worldwide.