ISSN:
0332-1649
Source:
Emerald Fulltext Archive Database 1994-2005
Topics:
Electrical Engineering, Measurement and Control Technology
,
Mathematics
Notes:
It is not normally possible to heat a static steel work-piece past the Curie temperature without incurring reduced inverter utilisation. Since the inverter cost increases with rated power, reduced utilisation implies an increase in investment costs for a given performance. The paper shows that third-order resonant work-head circuits can intrinsically allow better utilisation of the inverter for variable-load heating operations. A further refinement is then shown to allow control of the load impedance, thereby allowing the utilisation to approach 100 percent over the heating cycles.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1108/03321640310451999
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