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Triboelectric horology: escapement-inspired design strategy for prolonged energy harvesting under irregular mechanical inputs. [PDF]

open access: yesMicrosyst Nanoeng
Lee D   +11 more
europepmc   +1 more source

Impulse voltage testing

Electrical Engineering, 1933
EQUIPMENT and methods used for the surge testing of distribution transformers at the engineering experiment station at Purdue University are described in this paper. The surge generator of 1,000 kv maximum and the cathode ray oscillograph used in these tests are described.
C. F. Harding, C. S. Sprague
openaire   +1 more source

Laboratory measurement of impulse voltages

Electrical Engineering, 1933
A brief description is given of impulse generators and the discharge circuit constants involved in obtaining impulse voltages of the desired wave shapes. The relative influences of these constants are recognized and simplified discharge circuits are given. The variations in the wave shape and the reasons for the differences in sparkover values obtained
J. C. Dowell, C. M. Foust
openaire   +1 more source

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