Pentadyne Corp. (Chatsworth, California, U.S.) has entered into a distribution agreement with EUS GmbH (Dortmund, Germany) to deliver two of its Voltage Support Solution (VSS 120) flywheel power systems to be used in parallel with UPS and microturbine applications. Both projects are being financed by the local German government of North Rhine-Westphalia and the European Union. EUS and Pentadyne also entered into a value-added reseller agreement for distributing the Pentadyne VSS products in Germany.

In the second quarter of 2004, Pentadyne will install a VSS 120 unit in Germany to demonstrate how the flywheel power system can replace batteries in a UPS unit to improve reliability and costs associated with short battery life spans. In a separate distributed generation (DG) demonstration in Oberhausen, Germany, the VSS 120 will work in tandem with a microturbine to provide voltage stabilization during off-grid operation.

“Our agreement with EUS enables Pentadyne to show how our flywheel power system can provide a cost-effective alternative to batteries in UPSs as well as provide effective ride-through in DG applications,” says Paul Craig, Pentadyne Power's CEO.

Pentadyne's flywheel system provides a stable, reliable, low maintenance, extended-life dc voltage source to either replace or supplement batteries in UPS systems. During a grid disturbance, the VSS 120 provides sufficient ride-through for an orderly system shutdown or until a standby engine-generator can come on-line. When used with DG systems in off-grid applications, the VSS provides voltage stabilization during changing load conditions. When connected to most European UPS models, a single Model VSS 120 can support loads up to 120 kVA. Multiple VSS units in parallel provide economic ride-through for power levels up to 2 MW.
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