Continuously balanced pulse-DC ioniser to minimise the offset voltage |
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Affiliation: | 1. Laboratory for Foodborne Zoonoses, Public Health Agency of Canada (PHAC), Guelph, Ontario, Canada N1G 3W4;2. Animal Health and Veterinary Laboratories Agency (AHVLA), New Haw, Addlestone, Surrey, United Kingdom KT15 3NB;3. Austrian Institute of Technology (AIT), 3430 Tulln an der Donau, Austria;4. Austrian Agency for Health and Food Safety (AGES), 1220 Vienna, Austria |
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Abstract: | In our previous work, the AC type of ionisers was employed to demonstrate a prospective theory obtained by numerical simulations in which continuously emitting quasi-neutralised positive and negative ions from corona ionisers can transport ions effectively to a charged object and yield zero offset voltage. In this paper, we show that this can also be applied to pulse-DC ionisers, resulting in significant improvements in the offset voltage as well as charge-decay times. In addition, we present an implementation method with an electronic circuit design to create such an ion emission from a pulse-DC ioniser. |
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Keywords: | Charge neutralisation Corona ioniser Pulse-DC ioniser Offset voltage |
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