Motor protection
Motor protection is to provide comprehensive protection for the motor, that is, overload, phase loss, stall, short circuit, over voltage, under voltage, leakage, three-phase unbalance, overheating, bearing wear, stator eccentricity, axial sway When jumping, it will be alarmed or protected; the device that protects the motor is the motor protector, including the thermal relay, the electronic protector and the intelligent protector. At present, large and important motors generally adopt intelligent protection devices.
Differential Protection
Motor differential protection with differential quick-break protection and dual ratio differential protection with or without second harmonic braking, maximum for three-sided differential input (three-turn), with simulation of primary equipment voltage and current Complete and powerful acquisition function of quantity and switch quantity, equipped with standard RS485 and industrial CAN communication port, and realize three-turn main change differential protection, two-turn main change differential protection, two-turn distribution differential protection, power generation through reasonable configuration Protection and measurement and control functions such as differential protection, motor differential protection and non-electricity protection.
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