| 摘要 |
FIELD: electrical engineering and electrical technology, applicable for automatic temperature control in electric resistance furnaces. SUBSTANCE: the known device, containing series- connected temperature setter, temperature controller, pulse-shaping unit, thyristor power unit and temperature-sensitive element additionally uses a current regulator, voltage and current sensors, proportional unit, three differentiating units, and three proportional-differentiating units. EFFECT: enhanced quality of temperature control. 1 dwg øøø1
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