FIELD: heating.
SUBSTANCE: invention relates to electric heating, in particular to power take-off devices in electric heating systems of pipelines. Proposed power take-off device comprises current transformer, full-wave rectifier, controlled shunting switch built around two transistors with its control input connected to voltage divider.
EFFECT: providing power to an additional load for electrically heated pipelines or pipe fittings, as well as for monitoring the system or controlling gate valves.
1 cl, 2 dwg
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