[PDF] Top 20 Compare the Direct Torque Control of Permanent Magnet Synchronous Motor with Asynchronous Motor by Increasing Levels of Inverter

... the motor. For the same frame size, permanent magnet motors have more torque ...electromagnetic torque in a permanent magnet motor is proportional to the increase ... See full document

... Motor control systems play an important role in the development of modern industry and ...time, direct-current (DC) motor drives dominated the adjustable-speed drive market because of their ... See full document

... and torque references are compared to the values calculated in the drive and errors are sent to the hysteresis ...reference torque and estimated torque, error between constant flux value and ... See full document

... of torque and flux linkage. The switching state of the inverter is updated only once in every sampling ...The inverter keeps the same state, resulting in relatively large torque and flux ... See full document

... quick control of the distribution torque. Torque control can be ensured by the inverter, so this vehicle does not require a mechanical differential gear or ... See full document

... structure control is used to design the flux linkage and torque ...film control method based on the approach ...traditional direct torque control ...and torque, and ... See full document

... to torque and flux control, input power factor has been controlled to be close to ...multiphase motor drives, only VSIs have been used to feed these ... See full document

... numerous motor manufacturers as these motors are increasingly the preferred choice in many applications, especially in the field of motor control ...digital control, these motors become so ... See full document

... high-performance motor drive used in motion control essentially functions as a power amplifier, reproducing the low power level control signals generated in the field orientation controller at power ... See full document

... Direct torque control (DTC) [1–3] is an emerging high-performance AC variable frequency speed control after vector control technology [4] in recent ...to control flux and ... See full document

... of motor drives [1-3] is achieved replacing conventional motors. Motor drive technology is revolutionary making human efforts ...and permanent magnet synchronous motor (PMSM) are ... See full document

... Permanent Magnet Synchronous Motors (PMSM) are attracting growing attention for a wide variety of industrial applications, from simple applications like pumps or fans to high performance drive like a ... See full document

... The inverter has six active states (1-6) when voltage is impressed across the load, and two zero states (0 and 7) when the machine terminals are shorted through the lower devices or upper ...of inverter, it ... See full document

... the motor must not be sensitive to load ...ring-shaped magnet and with interior induced armature ...brushless direct current motor analyzed there have been used permanent magnets ... See full document

... complex control scheme needs to be applied to control the PM ...advanced control strategies can be implemented, which uses mathematical transformations in order to decouple the torque ... See full document

... the synchronous machine equations from the abc phase variables to the d, q variables forces all sinusoidal varying inductances in the abc frame to become constant in the d, q ...BDCM motor, since the back ... See full document

... steady state, the proposed ILC controller generates a compensation current iqs*that together with the main reference current iqo* which is utilized to minimize the speed ripples. Conventional PI current controllers are ... See full document

... the motor are used to determine the switching instants of the ...the control block diagram of the sensor-less control circuit, and ...the inverter, which is performed by an encoder ...the ... See full document

... Interior Permanent Magnet Synchronous Motor (IPMSM) leads to cumbersome design approach for these ...speed control of an IPMSM drive becomes a complex issue due to nonlinear coupling ... See full document

... Multilevel inverter structures have been developed to overcome shortcomings in solid-state switching device ratings so that they can be applied to higher voltage ...Diode-Clamped Inverter, Capacitor Clamped ... See full document