New-generation drives save even more energy

02 September, 2004

Another giant leap for inverter drives — Mitsubishi Electric’s F700 achieves instant optimisation.

A new series of variable-speed drives from Mitsubishi Electric is said to set new benchmarks for energy saving through the development of improved power circuits, coupled with the the advanced processing power of the latest electronics to provide enhanced power-control strategies. They are intended particularly for pumps and fans. The FR-F700 offers optimum excitation control for improved motor efficiency during constant-speed operation and acceleration periods. Torque patterns are also optimised and accurately match the power delivered to that required at any instant. Optimisation is effectively achieved instantly. Previous generations of technology could only optimise for energy efficiency under conditions of steady load or speed. The enhanced energy savings at lower speeds can achieve up to 12% extra energy savings against standard V/F performance. This feature is particularly significant as many fans and pumps are rated to cope with with occasional peak conditions. They therefore run for most of the time at low or very low loads. The energy being saved can be displayed on the operating panel as current power saving, percentage against set criteria, cumulative energy saving, cost savings and various averages over given time periods. This information can be downloaded.

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The Building Controls Industry Association (BCIA) has welcomed the government’s confirmation that privately rented non-domestic buildings over 1,000 square metres in England and Wales will be expected to achieve a minimum EPC B rating by 2031, describing the move as an important step forward in improving the energy performance of the UK’s commercial building stock.

GOLDBECK commits to three-year schools partnership to inspire Cardiff’s future construction talent

GOLDBECK has launched a new long-term education initiative in Cardiff, committing to support three local primary schools as part of a programme designed to introduce young children to enterprise, careers and the wider world of construction.

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New-generation drives save even more energy

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