H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 1/02 (2006.01) H01F 29/02 (2006.01) E21B 43/24 (2006.01)
Patent
CA 2701166
Power supply systems for subsurface heaters are described herein. The power supply system includes a variable voltage, load tap changing transformer. Systems and methods for supplying electrical power to subsurface heaters using the variable voltage transformers are also described herein.
L'invention vise à proposer des systèmes d'alimentation pour des éléments chauffants en dessous de la surface. A cet effet, le système d'alimentation comprend un transformateur à changement de prise de charge et à tension variable. L'invention porte également sur des systèmes et sur des procédés pour délivrer une alimentation électrique à des éléments chauffants en dessous de la surface à l'aide des transformateurs à tension variable.
Burns David Booth
Cardinal Paul Gregory
Shell Internationale Research Maatschappij B.v.
Smart & Biggar
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