VFD6900C high-performance ship vector frequency converter is a general-purpose high-performance current vector frequency converter. With strong starting force, strong overload capacity, and more optimized current and voltage limiting treatment, it has complete protection functions such as overcurrent, overvoltage, undervoltage, block faults, electronic thermal appliances, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, and internal energy storage faults.