Non-linear Characteristics of the Inductance of Air-core Type DC Reactors

Ikeda, Masami; Isaka, Susumu; Sakakura, Osamu; Yoshida, Yoshio; Nakagoshi, Yoshihiko; Hatano, Masayuki

doi:10.1541/ieejpes1990.119.8-9_943

Cited by 2 publications

(3 citation statements)

References 2 publications

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“…Here L d , L q : d‐ and q‐axis inductances, L dh , L qh : d‐ and q‐axis incremental inductances. The d‐ and q‐axis inductances are coefficients of axial flux linkages with respect to axial currents, while the d‐ and q‐axis incremental inductances are coefficients of respective small variations . Here change of inductance due to mutual coupling between d‐q axes is assumed small, and thus ignored in Equation .…”

Section: Derivation Of Ipmsm Numerical Model and Pole Placement By Stmentioning

confidence: 99%

High response torque control of IPMSM using state feedback control based on n‐t coordinate system

Matsuki

Doki

2018

Electrical Engineering Japan

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This paper proposes a torque control method for interior permanent magnet synchronous motors (IPMSMs). The proposed method uses state feedback control based on a new n‐t coordinate system and controls the voltage amplitude and phase based on the coordinate system. The t‐axis is a tangent line of the constant voltage ellipse, and the n‐axis is a normal line of the ellipse. The n‐axis current is utilized to place the poles of the transfer function at the desired position and reduce the mutual coupling between the voltage amplitude controller and phase controller. The proposed method realizes a high torque response even under parameter variation for the linear range and over‐modulation range of the inverter, including a 6‐step mode. The effectiveness of the proposed method was verified by simulation and experimental results.

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Section: Derivation Of Ipmsm Numerical Model and Pole Placement By Stmentioning

confidence: 99%

High response torque control of IPMSM using state feedback control based on n‐t coordinate system

Matsuki

Doki

2018

Electrical Engineering Japan

View full text Add to dashboard Cite

show abstract

“…The d-and q-axis inductances are coefficients of axial flux linkages with respect to axial currents, while the d-and q-axis incremental inductances are coefficients of respective small variations. 11 Here change of inductance due to mutual coupling between d-q axes is assumed small, and thus ignored in Equation (1).…”

Section: Numerical Model Of Ipmsm In Polar Coordinatesmentioning

confidence: 99%

“…Here P n : number of pole pairs. Numerical model of torque control with voltage amplitude and phase control based on n-t coordinates is derived using Equation (3) through Equation (11); thus obtained results are presented in Equation (12) to Equation (26).…”

Section: Introduction Of N-t Coordinates Into Numerical Modelmentioning

confidence: 99%

High Response Torque Control of IPMSM Using State Feedback Control Based on n-t Coodinate System

Matsuki

Doki

2018

IEEJ Trans. IA

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This paper proposes a torque control method for interior permanent magnet synchronous motors (IPMSMs). The proposed method uses state feedback control based on a new n-t coordinate system and controls the voltage amplitude and phase based on the coordinate system. The t-axis is a tangent line of the constant voltage ellipse, and the n-axis is a normal line of the ellipse. The n-axis current is utilized to place the poles of the transfer function at the desired position and reduce the mutual coupling between the voltage amplitude controller and phase controller. The proposed method realizes a high torque response even under parameter variation for the linear range and over-modulation range of the inverter, including a 6-step mode. The effectiveness of the proposed method was verified by simulation and experimental results. K E Y W O R D S coordinate system, IPMSM, response, state feedback control, voltage phase control Electr Eng Jpn. 2019;206:51-62.

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Non-linear Characteristics of the Inductance of Air-core Type DC Reactors

Cited by 2 publications

References 2 publications

High response torque control of IPMSM using state feedback control based on n‐t coordinate system

High response torque control of IPMSM using state feedback control based on n‐t coordinate system

High Response Torque Control of IPMSM Using State Feedback Control Based on n-t Coodinate System

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