The power regulator is a panel mounted power adjustment unit that uses a thyristor (also called a thyristor) and its trigger control circuit to adjust the load power. More now is the use of digital circuits to trigger thyristors to achieve voltage regulation and power regulation. Voltage regulation adopts phase-shift control method, and power regulation has fixed-cycle power regulation and variable-cycle power regulation.
Three-phase thyristor power regulator;
The power regulator is used with the 0-5V, 4-20mA intelligent PID regulator or PLC; it is mainly used for the heating control of industrial electric furnaces, and the soft start energy-saving operation control of large fan pumps. The load type can be three-phase resistive load, three-phase inductive load and three-phase transformer load; the three-phase load can be center ground load, center ungrounded load, inner triangular load and outer triangular load.
SCR power regulators are widely used in the following areas:
A electric furnace industry: [1] annealing furnace, drying furnace, quenching furnace, sintering furnace, crucible furnace, tunnel furnace, furnace, box type electric furnace, pit type electric furnace, melting electric furnace, rolling electric furnace, vacuum electric furnace, trolley electric furnace, quenching Electric furnace, aging electric furnace, hood type electric furnace, atmosphere electric furnace, oven experimental electric furnace, heat treatment, resistance furnace, vacuum furnace, mesh belt furnace, high temperature furnace, furnace, electric furnace
B Machinery and equipment: packaging machinery, injection molding machinery, thermal shrinking machinery, extrusion machinery, food machinery, tempering equipment,
Plastic processing, infrared heating
C Glass Industry: Glass Fiber, Glass Molding, Glass Melting, Glass Printing, Float Glass Production Line, Annealing Bath
D Automotive Industry: Spray Drying, Thermoforming
E Energy-efficient lighting: tunnel lighting, street lighting, photography lighting, stage lighting
F Chemical Industry: Distillation Evaporation, Preheating System, Pipeline Heating, Petrochemical, Temperature Compensation
August 12, 2024
The full name thyratron, commonly known as thyristor, is a bistable power electronic device that contains 3 or more PN junctions that can switch from off-state to on-state or from on-state to...
A special sealing device is made by the method of disposing the dust in the radiator. This kind of device only leaves the fan through hole. Go to the construction site and construction site to...
In order to prevent damage to the thyristor caused by the failure of the AC circuit inversion of the thyristor, the traditional method is to use a fast fuse for overcurrent protection. The advantage...
Scope and characteristics The controller is a thyristor closed-loop trigger controller of a three-phase phase-controlled rectifier. Suitable for three-phase bridge semi-control, three-phase bridge...
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August 12, 2024
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