Power Supplies

Electronic power supplies are used to provide constant power to a UV system, independent of any fluctuation in the mains voltage. This provides protection to the UV lamps from power surges and ensures a consistent curing performance. Electronic power supplies provide reliable ignition to a range of lamp sizes and types.

An electronic power supply carries out the same function as traditional transformer or choke based power supplies, whilst generally being more power efficient, smaller in size and significantly lighter (they are more compact in design). They also provide an infinitely variable level of lamp power, as opposed to an incremental one, and can be easily incorporated into analogue or digital control systems.

A choke (or inductor, or ballast) is a device used in electrical circuits for controlling current. In simple UV power supplies this means the choke is effectively controlling the overall lamp power as to a large extent the lamp and its environment is controlling the voltage.

Ignitors provide the high-striking voltage needed to ignite a UV lamp when used on a UV system powered by chokes. Chokes and ignitor circuits can be used to power lamps up to 500mm in length.

A transformer (or ballast) is a device for increasing the voltage available in order to ignite the lamp. They are also used to directly control the current through the lamp on more simple circuits. Alternatively, they can be used with capacitors to create a more sophisticated ‘Constant Wattage’ circuit.

A capacitor is a device used in an electric circuit to temporarily store electrical charge. They have two main uses in UV power supplies. They can be used to ensure simple choke and igniter, or transformer power supplies run efficiently. When correctly specified they ‘balance the circuit’ and ensure that unnecessarily high electrical current is not drawn from the mains supply in a process called ‘Power Factor Correction’.

 

Alpha-Cure can supply power supplies, chokes, ignitors, transformers and capacitors to suit the specific overall power requirement and switching needs of most power supplies available around the world. Make sure you have exactly what you need to run your lamps and ensure a consistent curing performance.

Speak to Alpha-Cure to discuss your requirements and arrange a quote if required – call +44 (0) 1327 263900 or email sales@alpha-cure.com

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