Company Background

Energy Optimizers Ltd. (EOL) specialise in delivering energy saving solutions in the area of industrial and commercial lighting.

EOL is a wholly owned subsidiary of T H Brown Limited, a group of companies established in the UK for over 70 years and is based in Grimsby, on the East Coast of the UK.

EOL's philosophy is to seek innovative, technical solutions that assist customers eliminate unnecessary wastage, reduce energy consumption and save costs.

Background to the Market

Dimming controls reduce the output and energy consumption of light sources. Compared to on-off controls, they can increase energy savings, better align lighting with human needs and extend lamp life. There are a number of systems and approaches to dimming control, which need to be considered carefully, some complex and some quite simple. 

Remember that planned lighting maintenance can be an effective means of getting the best results from the lighting system and can help create energy management opportunities.

There is no magic to new energy-efficient lighting systems: since all lighting equipment operates according to the laws of physics, there are always trade-offs.

Customers’ needs and our Solution

The Opt-i-Mizer and fluoresave controllers solve the problems associated with high voltage levels based on magnetic and transformer technology. The nominal voltage supplied by the electricity companies in Europe is 207-253v. (230v-/+10%).  Since lamps are produced to work optimally in 207v, supplying them with voltage above this provides no benefits, but rather creates higher maintenance costs and shorter lamp life.  Costly electricity is wasted, and at the same time the potential life of the bulb is substantially shortened. 

EOL has considerable experience with discharge lights, which are used for public lighting, industrial and business facilities. We focus on discharge lamps since they have the largest share in lighting energy consumption and their characteristics are best suited to voltage control as an effective and simple means of energy saving.

Opt-i-Mizer controller

The principle of the Opt-i-Mizer controller is based on inducing the unnecessary voltage, using the magnetic technology to produce transformed energy to control the output voltage. Microprocessor controllers enable the units to make step changes in the demand voltage following the initial start-up phase. The units and the lamp circuits are protected by security contactors and bypass systems. Energy savings of 25 per cent typically result from the difference between the supplied voltage and the required one. The fluoresave unit, a single-phase controller, achieves a similar result using an auto-transformer tap to provide the step-down change in voltage following the initial start-up phase.