Power supply for electrically heated subsea pipeline
1. Field of the Invention A power supply system for electrically heated pipelines is provided. A variable frequency drive supplies power to the pipeline from an external source of electrical power. An isolation transformer and a contactor or isolating switch may be used between the variable frequenc...
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| Format | Patent |
| Language | English |
| Published |
16.03.2004
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| Online Access | Get full text |
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| Summary: | 1. Field of the Invention
A power supply system for electrically heated pipelines is provided. A variable frequency drive supplies power to the pipeline from an external source of electrical power. An isolation transformer and a contactor or isolating switch may be used between the variable frequency drive and the pipeline. A controller may be used in the system to control special sequences of power level and other needs for heating a pipeline. |
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