Why use Thyristor Power Controllers?

 

Why use Thyristor Power Controllers?


 

The Thyristor Power Controller can accurately and consistently control the process proportional to the control signal. They provide a smooth way of controlling the power delivered to the load. Unlike Contactors, thyristors don’t have any electromechanical movement which may cause arcing/sparking and carbon formation. They gradually deliver power to the load and prevent electrical surges, and transients, thereby enhancing the operational life of the load.

 

CQNE offers Thyristor Power Controllers ranging from 10A to 1000A load. Select models have a built-in current limit and current trip feature which safeguards against overload damages. They can be paired with CQNE PID Controllers and Ramp Soak Controllers for precise temperature control for various applications.

 

thyristor-power-controller-closed-loop-control-system

Some of the applications where CQNE SCR Power Controllers are successfully implemented:

Aluminium Melting Furnaces

Holding Furnaces

Air Handling Units

Dehumidifiers

Boilers

Hot Air Generators and Hot Air Dryers

Very high temperature furnaces built using Silicon Carbide/MoSi2 heating elements

Microwave dryers

Multi-zone Drying and Curing Ovens

Heat Transfer Printing Machines

Food Grains, Paper and Printing Drying Ovens made using Quartz tube Medium wave IR and Ceramic coated IR heaters

Pet bottles Pre Forms preheating tunnel ovens made using IR heaters

Plastic Injection moulding requiring multi-zone heating for manifold moulds

Plastic Pipes and Sheets extrusion

Metal sheets welding systems

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