Design and development of pilot plant applied to wind and light abandonment power conversion: Electromagnetic heating of solid particles and steam generator

Liu, Xiang; Wu, Yajie; Li, Huaan; Zhou, Hao

doi:10.1016/j.jclepro.2024.143313

Journal of Cleaner Production

2024

DOI: 10.1016/j.jclepro.2024.143313

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Design and development of pilot plant applied to wind and light abandonment power conversion: Electromagnetic heating of solid particles and steam generator

Xiang Liu,

Yajie Wu,

Huaan Li

et al.

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2024

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Cited by 2 publications

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Research on the Mechanism of Thermal Power Enhancement in an Interior Permanent Magnet Eddy Current Heater Driven by Wind

Lu,

Zhou,

Hong

et al. 2024

Processes

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This article uses numerical simulation methods to study the comprehensive influences of the stator structure and materials on the thermal power of an interior permanent magnet eddy current heater (IPMECH). By analyzing the air-gap magnetic flux density (MFD), stator MFD, thermal power, and torque at different rotational speeds, the mechanism of thermal power enhancement has been revealed in depth. The results indicate that the armature magnetic field (MF) generated by the eddy current produces a magnetization effect on the side of its rotation direction, but the MF in the stator will be weakened in general, and this effect becomes more significant with the increase in the rotational speed. The stator material of the IPMECH has higher permeability, which has higher thermal power and torque, and a lower proportion of high-order harmonics, which is beneficial for reducing the radial vibration of the IPMECH. A permanent magnet with high remanence can increase the thermal power and torque of the IPMECH. Reducing the length of the air gap is beneficial for improving the thermal power, but it also increases the harmonic MFD. The rotational speed is 200 rpm, the air gap is 0.1 mm and 2 mm, and the thermal power is 1.12 kW and 0.35 kW, respectively. The fundamental amplitudes of the 0.1 mm and 2 mm air-gap lengths are 0.94 T and 0.64 T, respectively, and the 3rd harmonic Bi* values are 0.24 and 0.18, respectively. At rotational speeds of 200 rpm, 800 rpm, and 1600 rpm, the δPmax values are 17 mm, 11 mm, and 8 mm, respectively. When designing a heater, the higher the rotational speed, the smaller the stator wall thickness should be.

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Research on the Mechanism of Thermal Power Enhancement in an Interior Permanent Magnet Eddy Current Heater Driven by Wind

Lu,

Zhou,

Hong

et al. 2024

Processes

View full text Add to dashboard Cite

show abstract

Thermal Power and the Structural Parameters of a Wind Turbine Permanent Magnet Eddy Current Heater

Lu,

Zhou,

Hong

et al. 2024

Processes

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Permanent magnet eddy current heating as a new type of wind energy utilization method, which is energy-saving, is zero-emission, and involves no pollution and a high utilization of wind energy, has attracted more and more attention. This paper deals with the simulation and optimal design of a permanent magnet eddy current heater (PMECH) driven by wind. Solid steel, closed-slot, and open-slot PMECH are proposed, and corresponding 2D finite element method (FEM) models are established. Using the skin depth concept, numerical analyses are conducted on the influence of the number, size, and position of copper strips on the thermal power of closed-slot and open-slot PMECHs, and the thermal power growth compared to solid steel PMECH. The results showed that there is an optimal value for stator wall thickness. When the air-gap length is 0.5 mm and the rotation speed is 200 and 1000 rpm, the optimal stator wall thickness is 16 and 9 mm, respectively. Compared to the influence of conductivity on thermal power, the influence of permeability is more significant. Compared with solid steel PMECH, both closed-slot and open-slot PMECH in a low-speed region can effectively improve thermal power, and the open slot has more obvious advantages. The maximum values of the thermal power growth (TPG) and thermal power growth rate (TPGR) of the closed-slot PMECH are 1.57 kW and 120.15%, respectively. The maximums of TPG and TPGR of the open-slot PMECH are 2.58 kW and 175.08%, respectively. The experimental results prove the validity of the analytical calculation.

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Design and development of pilot plant applied to wind and light abandonment power conversion: Electromagnetic heating of solid particles and steam generator

Cited by 2 publications

References 36 publications

Research on the Mechanism of Thermal Power Enhancement in an Interior Permanent Magnet Eddy Current Heater Driven by Wind

Research on the Mechanism of Thermal Power Enhancement in an Interior Permanent Magnet Eddy Current Heater Driven by Wind

Thermal Power and the Structural Parameters of a Wind Turbine Permanent Magnet Eddy Current Heater

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