An Analog Optimum Torque Control IC for a 200-W Wind Energy Harvesting System

Peng Chang Huang, Yeong Chau Kuo, Yi Chen Liu, Tai Haur Kuo

研究成果: Article

摘要

An optimum torque (OT) control integrated circuit (IC) is implemented for harvesting the most available energy from a wind turbine generator (WTG) in a wind energy harvesting (WEH) system. For maximum power point tracking (MPPT), a rotor speed detector is proposed to obtain the root-mean-square (RMS) value of the WTG output voltage, which is proportional to the rotor speed. Then, three-phase current references are generated by multiplying the RMS value with the three-phase WTG output voltages for regulating the three-phase WTG output currents to achieve OT control. Further, a background calibration circuit is also implemented for adjusting the OT trajectory to maintain high MPPT efficiency. Moreover, to achieve a high power factor and low total current harmonic distortion (THD i), this brief applies three-phase carrier-based current sinusoidal PWM to drive a fully controlled boost rectifier. The chip is fabricated in 0.5-μm CMOS process with a 0.35-mm2 chip area and measured with a WTG test rig designed to emulate the electrical output of a WTG. Measurement shows the proposed IC with fully controlled boost rectifier achieves 96.1% peak power conversion efficiency, 0.99 power factor, and 1.7% minimum THD i based on a 200-W WEH system. Compared with prior IC-implemented state-of-the-arts, this brief featuring well-designed circuit linearity has superior power conversion efficiency and THD i.

原文English
文章編號8616821
頁(從 - 到)1790-1794
頁數5
期刊IEEE Transactions on Circuits and Systems II: Express Briefs
66
發行號11
DOIs
出版狀態Published - 2019 十一月

指紋

Energy harvesting
Torque control
Turbogenerators
Wind turbines
Wind power
Integrated circuits
Harmonic distortion
Conversion efficiency
Rotors
Networks (circuits)
Electric potential
Pulse width modulation
Torque
Trajectories
Calibration
Detectors

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

引用此文

Huang, Peng Chang ; Kuo, Yeong Chau ; Liu, Yi Chen ; Kuo, Tai Haur. / An Analog Optimum Torque Control IC for a 200-W Wind Energy Harvesting System. 於: IEEE Transactions on Circuits and Systems II: Express Briefs. 2019 ; 卷 66, 編號 11. 頁 1790-1794.
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abstract = "An optimum torque (OT) control integrated circuit (IC) is implemented for harvesting the most available energy from a wind turbine generator (WTG) in a wind energy harvesting (WEH) system. For maximum power point tracking (MPPT), a rotor speed detector is proposed to obtain the root-mean-square (RMS) value of the WTG output voltage, which is proportional to the rotor speed. Then, three-phase current references are generated by multiplying the RMS value with the three-phase WTG output voltages for regulating the three-phase WTG output currents to achieve OT control. Further, a background calibration circuit is also implemented for adjusting the OT trajectory to maintain high MPPT efficiency. Moreover, to achieve a high power factor and low total current harmonic distortion (THD i), this brief applies three-phase carrier-based current sinusoidal PWM to drive a fully controlled boost rectifier. The chip is fabricated in 0.5-μm CMOS process with a 0.35-mm2 chip area and measured with a WTG test rig designed to emulate the electrical output of a WTG. Measurement shows the proposed IC with fully controlled boost rectifier achieves 96.1{\%} peak power conversion efficiency, 0.99 power factor, and 1.7{\%} minimum THD i based on a 200-W WEH system. Compared with prior IC-implemented state-of-the-arts, this brief featuring well-designed circuit linearity has superior power conversion efficiency and THD i.",
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An Analog Optimum Torque Control IC for a 200-W Wind Energy Harvesting System. / Huang, Peng Chang; Kuo, Yeong Chau; Liu, Yi Chen; Kuo, Tai Haur.

於: IEEE Transactions on Circuits and Systems II: Express Briefs, 卷 66, 編號 11, 8616821, 11.2019, p. 1790-1794.

研究成果: Article

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