This sensor-less vector control performs the vector control of the induction motor without use of the speed sensor. Conventionally, there has been the V/f control without the speed sensor. However, this sensor-less vector control provides the simple control feature of the V/f control and the high performance of the vector control. The following describes the features of the sensor-less vector control.
(1) Sensor installation and wiring construction are not required.
(2) This control is applicable to motors, in which the sensor cannot be installed, such as two-axis motors or super high-speed motors, and other motors, which require special sensors, such as explosion-proof motors.
(3) This vector control technology is used for parallel drive of multiple motors, which is difficult to control by the conventional vector control.
(4) This sensor-less vector control provides excellent stability and large start-up torque when compared to the V/f control.
(5) The torque can be limited, ensuring stable rapid acceleration and deceleration.
(1) Sensor installation and wiring construction are not required.
(2) This control is applicable to motors, in which the sensor cannot be installed, such as two-axis motors or super high-speed motors, and other motors, which require special sensors, such as explosion-proof motors.
(3) This vector control technology is used for parallel drive of multiple motors, which is difficult to control by the conventional vector control.
(4) This sensor-less vector control provides excellent stability and large start-up torque when compared to the V/f control.
(5) The torque can be limited, ensuring stable rapid acceleration and deceleration.
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