Caledon Controls Ltd
Here at Caledon Controls, we provide industrial control solutions to local industries including electronic instrumentation, software, and complete electrical panels. We have extensive product and applications experience in industrial control solutions. We specialise in the design and manufacture of control products and systems to ISO 9001:1994 standards.
Our primary clients are heater and control systems OEMs and our products are used by major oil and gas companies around the world. Our heating control applications include fuel gas heaters and glycol reboilers. We have developed heating control applications to provide burst fire and single cycle burst fire control of resistive heater loads with current ratings up to 800A.
Our innovative SRC2000 and SRC3000 thyristor stacks are ideal for higher power building heating systems. Our higher power building heating systems are typically found in larger commercial, hotel and industrial installations. They are available with standard 0-10V control input to interface to BMS systems, and operate in burst fire mode, used almost exclusively in the heating and ventilating industry due to its freedom from problems associated with the generation of harmonics and radio frequency interference.
Traditionally phase angle control was used with infrared heating to generate a constant element temperature without rapid fluctuations due to the switching action of burst fire control. Phase angle control suffers from poor power factor and causes radio frequency interference and harmonic distortion in infrared heating.
Our diverse thyristor stacks and controllers have been installed in power station and marine applications for fuel oil heating. On large systems, various thyristor controllers are used with LSC2 load sequencers with fast stage rotation to distribute power evenly between the fuel oil heating elements.