Voltage Management

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Reliable and cost effective solutions for sites with MV/HV supply

Voltage Management (often referred to as Voltage Optimisation) is an energy-saving technique that systematically reduces the supply voltage to a site in order to reduce energy losses in equipment.

We offer Voltage management solutions to suit your specific power needs: From super efficient amorphous core supply transformers to dedicated Voltage Optimisation units, we provide reliable, cost effective solutions that allow you to micro-mange your own power supply.

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Voltage Optimisation through transformer supply (fixed tap)

Our highly efficient Wilson e2 range of amorphous core distribution transformers come with an additional tapping range at no extra cost. This enables you to optimise voltage supply from 415V to 380V according to your site’s needs wherever your incoming supply is at medium voltage without the need of additional equipment.

Apart from being a particularly cost effective way of optimising site voltage, the transformer will integrate smoothly with your existing installations, avoiding additional system losses and minimising space requirements.

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Voltage Regulation through transformer supply (dynamic regulation via OLTC)

Where site supply voltages fluctuate or a constant (+/- 1%) output voltage is required, the Wilson e2+ transformer comes with a 17 position on load tap changer (OLTC). This adjusts the taps automatically to maintain a constant secondary output voltage (relative to input voltage fluctuations) via an “AVR” relay.

Typical applications are sites with irregular supply patterns including random peaks and troughs as well as distinct day and night patters, highly sensitive operating equipment requiring stable supply voltage and improving site resilience in view of increasingly dirty supply from the grid.

Case Study - ASDA - Wilson e2+

The commitments made by ASDA to reduce their energy usage lead them to discover our super low loss amorphous Wilson e2+ transformer. Not only does the transformer help reduce overall energy losses in the amorphous core, but the additional Voltage Management System means ASDA can control its voltage output dynamically, giving their stores extra power as and when they need it.

The installed distribution transformers have cut energy usage by 7%, saving them over £25,000 a year in unnecessary costs. The project has nearly paid for itself twice over since installation, and with our recommended minimum transformer life of 25 years they will remain an excellent long term investment.

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Testimonials

Don't just take our word for it ...

“Wilson transformer technology achieves savings in perpetuity combined with intangible benefits including increased machinery longevity through lower voltage running closer to the design specification.”

Site Director

Cranswick plc
“I found Carl and his team on site very professional. They all got on with the job, had pride in their workmanship and attention to detail. The client was certainly impressed.”

Project manager

Cynergin
We're happy to recommend the Wilson e2 transformer as part of an integrated approach to energy savings.

Technical Standards Manager

Tesco