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Calnetix boosts VYCON line for critical applications

November 14, 2017

 

Calnetix Technologies has added a higher-capacity model to its VYCON line of kinetic energy storage systems for cloud and hyperscale data centres.

 

California-based Calnetix said the new VDC XXT delivers more than 450 kW and 6,300 kW-seconds of energy storage for reliable, always-on power protection for major critical processes, such as data centres, healthcare imaging systems and other power-intensive applications.

 

Frank DeLattre, the president of VYCON, the energy storage products subsidiary of Calnetix, said the move was the result of work with the company’s UPS partners and end clients.

 

“We found there was a need for greater power storage capacity and higher power density solutions for larger mission-critical applications,” DeLattre said. “To meet that requirement, we designed the VDC XXT model to boost power rating by 50% within the same footprint as our other models for an impressive power density of 72kW per square foot.”

 

The VYCON flywheel-based kinetic energy storage system interfaces with the DC bus of the UPS, receiving charging current from the UPS and providing DC current to the UPS inverter during discharge.

 

On loss of utility power, continuous and regulated DC power is instantly delivered to the UPS “with ample time to transfer to an onsite generator upon a prolonged power outage”, Calnetix said.

In addition, VDC XXT’s 20-year operational life offers “a highly reliable, environmentally friendly, cost-effective and compact alternative to battery-based power backup systems”.

 

According to VYCON’s sales VP Kamal Diwan, valve-regulated lead-acid battery systems “are often troubled by unpredictable reliability, high maintenance costs, hazmat issues and frequent replacement, causing uncertainty and potential downtime during electrical disruptions”.

 

Diwan said: “Industry studies have revealed that non-detectable and detectable battery failures account for more than 80% of all double-conversion UPS failures. Replacing batteries with kinetic energy storage can greatly enhance the critical power chain’s overall reliability and mitigate risk of downtime.”

 

“In addition, the elimination of hazardous materials, such as lead acid, allows organisations to achieve LEED points toward green-building standards by converting to the VYCON flywheel solution,” Diwan added.

 

Diwan said the VDC XXT can be used in a stand-alone solution or to augment a battery-based UPS. He said that because 98% of utility outages are 10 seconds or less, the flywheel can deliver the needed DC energy to the UPS first during these events, saving the batteries for longer-term outages and thus prolonging battery life.

 

VYCON’s patented technology uses full five-axis active magnetic bearings. The frictionless maintenance-free flywheel levitation solution provides up to 99.6% energy efficiency and eliminates the need for lubrication or periodic replacement of mechanical bearings, Calnetix said.

 

The company said VDC XXT systems are UL and CE approved and are certified and integrated by major manufacturers of three-phase UPS systems, including Eaton, General Electric, Mitsubishi, Riello, Schneider Electric, Socomec and Vertiv.

 

More than 1,300 VYCON systems have been deployed worldwide. 

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