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Motor Temperature Monitoring Based on Impedance Estimation at PWM Frequencies

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This paper proposes a noninvasive temperature measurement technique of indirect type, applicable in the permanent magnet synchronous motor (PMSM) drives. The motor temperature is required for protection and monitoring purposes, as well as for updating temperature-dependent control parameters. Direct
measurement with dedicated sensors requires peripherals and cabling; hence, it is quite involved and often avoided. Temperature estimation based on test signal injection contributes to torque
ripple and often relies on other motor parameters. A solution is proposed here, which makes the use of intrinsic pulse-width modulation excitation and does not use electrical or thermal parameters
of the considered PMSM. The temperature of the stator winding is estimated from the motor input impedance ZIN (ω) calculated over the range of frequencies starting at and going well beyond fPWM. The paper includes analytical considerations, implementation details and experimental verification obtained with a 4.5-kW PMSM used in battery-supplied propulsion systems.
Index Terms—Permanent magnet synchronous machines, pulsewidth modulation (PWM) inverters, temperature monitoring.

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Ketersediaan

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Informasi Detail

Judul Seri

IEEE TRANSACTIONS ON ENERGY CONVERSION

No. Panggil

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Penerbit

New York : IEEE., 2014

Deskripsi Fisik

IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 29, NO. 1, MARCH 2014

Bahasa

English

ISBN/ISSN

0885-8969

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

VOL. 29, NO. 1, MARCH 2014

Subjek

TEKNIK

Info Detail Spesifik

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Pernyataan Tanggungjawab

Yuli/Agus

Versi lain/terkait

Lampiran Berkas

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