美国SEL电机保护继电器SEL-710-5*SEL-710-5电机保护继电器可以用于保护异步(感应)电机和同步电机。其功能包括:转子断条检测、变频驱动 (VFD),以及可以选配弧光检测、差动保护和同步电机保护。同步电机选项支持功率因素调节,以及在不增加成本的前提下,通过一个分压器配件,连接电机的励磁系统。结合行业*佳的AccuTrack热...
➤ Added manual closing voltage check conditions and voltage difference supervision to the synchronism-check elements. ➤ Introduced the 51SAT setting to enable or disable time-overcurrent curve saturation. ➤ Introduced the AUTO2 directional control setting for systems with a weak negative-...
SEL-3355-2 Data Sheet 8 Serial Ports Standard Ports: Optional SEL-3390S8 Expansion Cards: 2 EIA-232 ports, DB-9 connectors 300 to 115200 bps As many as 24 additional EIA- 232/422/485 ports, RJ45 connectors 300 to 921600 bps Note: See the SEL-3390S8 instruction manual for additional ...
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which ...