Power & Cooling
data and IT systems because they provide superior electrical performance. On-line UPS are robust because the inverter is constantly powering the load with an automatic bypass providing a further level of resilience. This ‘online’ process uses more energy and power therefore realistically efficiency figures are in the region of between 94-96%. If managers are looking to increase efficiency and run in line interactive mode (sometimes quoted as ECO mode) this can increase operating efficiency by around 1-2%, but with decreased overall system resilience and the supply of a lower-grade source of power to connected loads.
ECO Energy Ratings System Energy efficiency is always top of Riello UPS’ agenda. Riello UPS was the first manufacturer to rate the energy efficiency of its products through the unique Energy Rating System, which has helped position Riello UPS as the most environmentally friendly power protection company in Europe. Riello UPS is also actively involved in the research and development of other areas that can impact a UPS environment including adaptive management (to reduce the use of consumables including batteries, fans and capacitors), and the presentation of a UPS as a zero-impact source (with a Low Total Harmonic Distortion
of 3% and high input power factor of 0.99) on connection to a mains power supply.
Robin Koffler says: “For Riello UPS, energy efficiency is not simply a value given in sales and marketing literature. Efficiency values should be compared in real cases of operation and that is reflected in our products such as the Multi Plus and Master Plus HIP. We’ve set targets well above those called for in Europe and tested them under real life conditions.
“We’ve examined all of the criteria and their impact on efficiency in detail and have developed a new generation of UPS that mitigates these problems. “
Multi Plus is a state-of-the-art UPS designed to meet VFI-SS-111 – the highest possible on-line, double conversion performance level within IEC EN 62040-3 (quality standard). Multi Plus is ideal for critical operations such as information technology, telecommunications systems, networks, services and processes and is available in 10, 12, 15, 20, 30 40. 60, 80 and 120kVA modules.
Master Plus HIP - Zero Impact Source and High Efficiency
The Master Plus HIP (High Input Performance) is available in 100- 400kVA models. Master Plus HIP is an evolution of the Riello Master Plus series, but with the additional advantages offered by an IGBT-based rectifier assembly. This feature further reduces the impact of the UPS on the local supply and simplifies installation where there is limited power capacity. The double conversion on-line technology achieved with IGBT and DSP (Digital Signal Processor) control ensures that the Master Plus HIP series is especially suited for a variety of mission critical applications, guaranteeing maximum protection along with high performance filtering for any type of IT or industrial loads. The advanced design and technology utilised means that the HIP series has low impact current distortion (less
Energy efficiency is always top of Riello UPS’ agenda. Riello UPS was the first manufacturer to rate the energy efficiency of its products through the unique Energy Rating System, which has helped position Riello UPS as the most environmentally friendly power protection company in Europe
34 | DATA CENTRE SOLUTIONS |
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