Sinusoidal Three-Phase Current Reconstruction and Control Using a DC-Link Current Sensor and a Curve-Fitting Observer

Saritha, B.; Janakiraman, P.A.

doi:10.1109/tie.2007.899842

Cited by 99 publications

(32 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To reduce cost and volume, as well as to increase reliability in hostile environment [16], technical trends move towards driving power converts with fewer sensors or without sensors. Research to reconstruct three-phase currents using single current sensors, especially in motor drive systems, has been undertaken [17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

“…It is a hybrid method that consists of the space vector modulation method and the PWM method without using zero voltage vectors. In [22,23], the three-phase currents are reconstructed by using the state observer algorithms. Moreover, in [24,25], a novel phase current reconstruction technology is used in the switched reluctance motor (SRM) drive and sensorless control.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Phase Current Reconstruction Approach for Three-Phase Permanent-Magnet Synchronous Motor Drive

Yan

Zou

2016

Energies

View full text Add to dashboard Cite

Three-phase permanent-magnet synchronous motors (PMSMs) are widely used in renewable energy applications such as wind power generation, tidal energy and electric vehicles owing to their merits such as high efficiency, high precision and high reliability. To reduce the cost and volume of the drive system, techniques of reconstructing three-phase current using a single current sensor have been reported for three-phase alternating current (AC) control system using the power converts. In existing studies, the reconstruction precision is largely influenced by reconstructing dead zones on the Space Vector Pulse Width Modulation (SVPWM) plane, which requires other algorithms to compensate either by modifying PWM modulation or by phase-shifting of the PWM signal. In this paper, a novel extended phase current reconstruction approach for PMSM drive is proposed. Six novel installation positions are obtained by analyzing the sampling results of the current paths between each two power switches. By arranging the single current sensor at these positions, the single current sensor is sampled during zero voltage vectors (ZVV) without modifying the PWM signals. This proposed method can reconstruct the three-phase currents without any complex algorithms and is available in the sector boundary region and low modulation region. Finally, this method is validated by experiments.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Phase Current Reconstruction Approach for Three-Phase Permanent-Magnet Synchronous Motor Drive

Yan

Zou

2016

Energies

View full text Add to dashboard Cite

show abstract

“…In [20], three Luenberger-style observers are utilized to filter out the noises in the reconstructed motor line currents for the purpose of field oriented control. A curve fitting observer is built in [21] to smooth the reconstructed phase currents. The involvements of the advanced observers could enhance the system performance; nevertheless, the executions of the observers bring additional computation cost to the system.…”

Section: Introductionmentioning

confidence: 99%

A new SVPWM for phase currents reconstruction of three-phase three-level T-type converters

Xiong

Düşmez

Akin

et al. 2015

2015 IEEE Applied Power Electronics Conference and Exposition (APEC)

View full text Add to dashboard Cite

This paper presents a new space vector pulse width modulation(SVPWM) scheme to reconstruct phase currents using neutral point current sensing in three level T-type converters. For this purpose, zero vectors and offset vectors are replaced with complementary active vectors. These active vectors do not affect the resultant output voltage and the voltage balance at the neutral point of three-level T-type converters. Hence, the pulse widths of corresponding active vectors can be adjusted even at low speeds without additional switching losses and low frequency noise in the inverter. The modified switching patterns can easily be created without significant computational complexity. The proposed method is experimentally verified using Fuji T type IGBT modules, Texas Instruments TMS320F28335 and Spartan 6 systems.

show abstract

“…Some methods [15] reconstruct the reference voltage with two successive PWM cycles at the expense of controller delay. Current estimation is another solution [16]- [21]. This method requires additional calculation and fails in extremely low-voltage region where no information is available due to short nonzero state durations.…”

Section: Introductionmentioning

confidence: 99%

A Three-Phase Current Reconstruction Technique Using Single DC Current Sensor Based on TSPWM

Cheng²,

et al. 2014

IEEE Trans. Power Electron.

View full text Add to dashboard Cite

Three-phase current reconstruction technique using dc current information in conventional two-level inverters can be used for the purpose of cost reduction and sensor fault tolerance. A novel phase current reconstruction scheme, with reduced immeasurable area and common mode voltage, is proposed in this paper. A tristate pulse-width modulation technique has been employed, in which three adjacent switching states are used to construct the reference voltage. The active switching states are arranged at the edge and the center of a PWM cycle. Fixed sampling and simultaneous three-phase currents can be easily achieved with very little hardware and software requirements. A detailed analysis of the effects of nonidealities leads to regional modifications of the switching sequence resulting in almost the whole hexagon as the feasible area. The usefulness of the proposed reconstruction algorithm has been verified by experimental results obtained from a 4-kW induction motor drive system. Smooth transitions between the redundant and fault-tolerant modes were observed.

show abstract

Sinusoidal Three-Phase Current Reconstruction and Control Using a DC-Link Current Sensor and a Curve-Fitting Observer

Cited by 99 publications

References 12 publications

A Phase Current Reconstruction Approach for Three-Phase Permanent-Magnet Synchronous Motor Drive

A Phase Current Reconstruction Approach for Three-Phase Permanent-Magnet Synchronous Motor Drive

A new SVPWM for phase currents reconstruction of three-phase three-level T-type converters

A Three-Phase Current Reconstruction Technique Using Single DC Current Sensor Based on TSPWM

Contact Info

Product

Resources

About