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- W4200206814 abstract "An electric lawn mower supplied from batteries was designed and constructed. Li-ion cells are used because of their high volumetric and weight energy density. Falling prices of these batteries allow such a conception to be practical. Two separate motors are used – one for the traction and the other for the main blade drive. Both motors are brushless DC motors (three-phase synchronous motors with permanent magnets with a specific waveform of the induced voltage). Hall sensors are used to sense the rotor position which is necessary for the control of converters. A high torque outrunner construction of the blade motor was selected to eliminate the need of a gearbox. The used battery capacity of 1.6 kWh was shown to be unnecessarily high for a practical operation – a long operation time (more than 3 hours for one charge), high weight." @default.
- W4200206814 created "2021-12-31" @default.
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- W4200206814 date "2021-11-30" @default.
- W4200206814 modified "2023-10-18" @default.
- W4200206814 title "Battery Powered Lawn Mower" @default.
- W4200206814 doi "https://doi.org/10.1149/10501.0567ecst" @default.
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