H - Electricity – 05 – B
Patent
H - Electricity
05
B
323/10, 327/121,
H05B 1/02 (2006.01)
Patent
CA 1215131
ABSTRACT OF THE DISCLOSURE A heating power supply apparatus for polycrystalline semiconductor rods, including a power transformer and anti-parallel thyristor unit groups connected to respective portions of the secondary of the power transformer, balance transformer groups connected to the anti-parallel thyristor groups and combined to make constant a secondary current of each of the balance transformers, and semiconductor rod connecting terminals connected to the secondaries of the balance transformer groups, respectively. The balance transformer groups are divided into a group of plural balance transformers of small current and high voltage for exclusive use during the starting and a group of plural balance transformers for taking over operation from the group of balance transformers of small current and high voltage and continuing subsequent operations.
432239
Meredith & Finlayson
Sumitomo Sitix Of Amagasaki Inc.
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