Medium-voltage electric heating systems offer reduced installation cost and increasing efficiency for multimegawatt oil and gas heating applications compared with low-voltage systems. For offshore applications, the systems offer the added benefit of both space and weight reductions. The technology is based on the same principles as low-voltage electrical-resistance heating that has been used in industry for the past century, but reapplied for medium-voltage use.
Introduction
Most industries use low-voltage systems, typically less than 1,000 V, for electric heating applications. These were practical for most applications through the 20th century.
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