Simistornij Regulyator Napryazheniya Dlya Induktivnoj Nagruzki

Thyristor regulators (hereinafter - regulators) are designed for smooth adjustment of the lamps power, heaters and other types of loads. The temperature controller in a combination with regulator allows maintaining the temperature of the object with high accuracy. It is also possible to connect an external manual control or external adjustment of set the control parameters. Areas of application: metallurgy, food industry, drying, extrusion, heat treatment and melting glass, infrared equipment, semiconductors, petrochemicals, etc. Regulators TRM-1M and TRM -1 can be controlled manually using a potentiometer, as well as from any controller: 0-10V DC voltage ( 0-5V ) or 0-20mA current ( 4-20mA ), for example a temperature controller. Available modification with the control via RS-485 interface using the Modbus RTU protocol.

FIELD: electrical engineering. SUBSTANCE: device is, essentially, three-circuit automatic control system depending for its operation on slave control of coordinates. First slave circuit controlling field current incorporates current regulator, controlled thyristor valve, and current sensor. Razvyortka tetraedra dlya skleivaniya s pripuskami. Second slave circuit controlling reactive current of synchronous motor includes reactive-current measuring transducer and reactive-current regulator; it functions to maintain stator reactive current at level set by voltage regulator output signal. Third one is main voltage-control circuit incorporating voltage measuring transducer and voltage regulator. Voltage feedback including threshold element, one-shot multivibrator, first aperiodic filter with controlled time constant, two Schmitt flip-flops of aperiodic filter and AND gate functions to raise field current setting value in case of heavy voltage fluctuations to ensure steady operation of motor.

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EFFECT: improved reliability of voltage control and reduced power loss in motor and in supply mains. 2 dwg Description Translated from Russian.

SUBSTANCE: proposed device that can be used in electroplating engineering for electrochemical metal deposition and also it can function as welding arc.