JB/T 3950-1999 (English Version) PDF

Scope: This standard specifies the classification, technical requirements, experimental methods, inspection rules, markings, instructions for use, packaging, transportation and storage of automatic quasi-synchronous devices for power systems. This standard applies to constant lead time type automatic quasi-synchronous devices. This type of device is used in the secondary circuit of the power system to enable automatic parallel operation between systems or systems or between systems and generators according to quasi-synchronous requirements. This standard also applies to devices without frequency regulation and voltage regulation functions. This standard applies to new installations.

JB/T 3950-1999 history