Maximum torque per ampere control

This paper proposes an analytical method to determine maximum torque per ampere MTPA trajectories in the voltage plane for interior permanent magnet synchronous machines IPMSMs. In 9 premade lookup tables are avoided by.

The proposed method employs a variable-equivalent-parameter MTPA control law to calculate the MTPA current references.

Maximum torque per ampere control. Maximum Ampere Control MA CF Constant Flux Control und MTPA Maximum Torque per Ampere Control können nur verwendet werden wenn die notwendige Spannung nicht größer als die Maximalspannung ist. Dann ist es sinnvoll zunächst mit maximalem Statorstrom zu regeln. Daher heißt dieses Verfahren Maximum Ampere Control MA.

This paper presents a maximum torque per ampere MTPA control method for interior permanent-magnet synchronous motor drives. The proposed method employs a variable-equivalent-parameter MTPA control law to calculate the MTPA current references. Different from conventional MTPA control laws this novel MTPA control law equivalently considers both the.

A novel maximum torque per Ampere MTPA controller for the induction motor IM drives is presented. It is shown to be highly suited to applications that do not demand an extremely fast dynamic response for example electric vehicle drives. The proposed MTPA field oriented controller guarantees asymptotic torque speed tracking of smooth reference trajectories and.

This paper discusses maximum torque per ampere MTPA and maximum efficiency control methods based on the Volt per Hertz Vf control for an interior permanent magnetic synchronous motor IPMSM. The Vf control is in-herently a position sensorless method and therefore it is simpler than conventional methods such as the sensorless vector control method. In addition the MTPA and the.

Abstract This paper proposes a maximum torque per ampere MTPA control method based on Vf control for the Interior Permanent Magnetic Synchronous Motor IPMSM. The Vf control is inherently a position sensorless method. Therefore it is simpler than the conventional methods such as the sensorless vector control method.

In addition the MTPA control can be. The MTPA Control Reference block computes the d-axis and q-axis reference current values for maximum torque per ampere MTPA and field-weakening operations. The computed reference current values results in efficient output for the permanent magnet synchronous motor PMSM.

Optimized control of IPM motors is achieved by proper selection of the current space vector as a function of torque operating condition often aiming at the maximization of the ratio between the produced torque and the current amplitude that is the maximum torque per ampere MTPA. Maximum efficiency control can be in fact one of the most attractive criteria particularly in those. In particular in order to help the designers choosing the best control algorithm the performances of the Maximum Torque Per Ampere Control and the Field Orientation Control are here both theoretically and experimentally assessed and compared by using as performance indicators the torque-current ratio and the power losses.

The tests are carried out on a low-power motor for various speeds and loads by. Abstract-This paper describes the MTPA maximum torque per ampere control strategy of Salient-pole PMSM permanent magnet synchronous motor and its flux-weaking control strategy. Salient-pole PMSM often used the MTPA control strategy the method that MTPA curves obtained from look-up table is usually used but it will reduce the real-time.

Maximum Torque Per Ampere MTPA Control 大阪府立大学工学研究科 清水 悠生. The paper deals with minimization of supply power and energy for induction motor IM based on maximal torque per ampere MTPA strategy. The article describes two MTPA algorithms.

This paper proposes an analytical method to determine maximum torque per ampere MTPA trajectories in the voltage plane for interior permanent magnet synchronous machines IPMSMs. The MTPA is formulated as an optimization problem and its solution is obtained within a closed-form function from the current and voltage planes. In consequent the MTPA tracking control strategy with the novel closed.

Maximum torque per ampere MTPA control method produces desired electromagnetic torque while minimizing current magnitude. In 7 MTPA control was applied in constant torque region while in constant power region flux weakening was used. In 8 lookup tables were used to achieve MTPA control considering magnetic flux variation caused by temperature.

In 9 premade lookup tables are avoided by. Maximum torque per amp condition is in fact achieved. However in this work it is shown that the MTPA control strategy 2 performs sub-optimally as the stator surface temperature and presumably rotor temperature varies.

In consequence consideration of rotor resistance variation is required if the maximum torque per amp condition is always to. 22 Maximum Torque Per Ampere MTPA IPMSM has a permanent-magnet inside the rotor that generates magnetic saliency. This saliency produces a reluctance torque from the difference between the direct-d axis inductance and the quadrature q-axis inductance.

The maximum efficiency of the IPM motors can be achieved by proper selection of the. Maximum torque per stator ampere Operation at maximum torque per ampere is achieved when at a given torque and speed the slip frequency is adjusted so that the stator current amplitude is minimized. This mode of operation is subsequently referred to as the maximum torque per ampere MTA strategy.

An expression for the slip frequency which min-. Maximum torque per ampere MTPA speed control strategy has been widely adopted to achieve high efficiency of an IPMSM drives in constant torque region. At first the MTPA current trajectory of IPMSMs is achieved by drawing the constant torque loci in the current plane and finding the nearest points on torque loci to the origin 2.

The maximum power is directly related to the Maximum Torque per Ampere MTPA control strategy characteristics all the points which are below the MTPA torque VS rotating speed characteristic can be. A field-oriented control strategy which guarantees the minimization of the stator current amplitude for a given load torque at steady state operating conditions is the Maximum Torque Per Ampere MTPA control strategy. However this strategy allows achieving the minimization only of the stator joule losses but not of rotor joule and iron losses which could even increase resulting in a.