YANMAR E-STIR CO., LTD. - Technology

Linear Alternator

High efficiency linear alternator. Output (1W to 2kW) are available.(Build to order base)

Newly developed Linear Generator (1kW type)

Features

Analysis result -magnetic field analysis-

(a) 2-Air-Gap Model
(b) 1-Air-Gap Model

Above figure shows the comparison of field analysis between the previous model (2-Air-Gaps) and the new model (1-Air-Gap).
The new model has achieved the same level of performance as shown in right figure with only a half mass of magnets by reducing the magnetic resistances due to air gaps.

Analysis result -current / voltage waveform-

(a) 2-Air-Gap Model
(b) 1-Air-Gap Model

Above figures show current/voltage waveform for previous and current model

Performance characteristic

Above figure shows an efficiency, which is one of the performance characteristics, of the small linear generator.

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