Canadian Consulting Engineer
Products (March 01, 2011)Buildings Building Lighting Building Mechanical & Electrical (HVAC) Systems
The VDC-XES flywheel system by Vycon has passed seismic testing in the U.S. The high-speed energy storage flywheel systems are a green alternative or complement to battery-powered UPS systems for providing energy storage during power disruptions.
has launched the Square D 1000 VDC enclosed heavy duty disconnect switch for grounded and ungrounded PV systems. Schneider also recently introduced the Electric Conext Grid Tie Inverters 2.8 to 5.0 kW for single or multiple PV arrays. www.schneider-electric.com
The patent-pending Virtual Moveable End Cap II system by Multistack provides simultaneous heating and cooling. Using dedicated heat recovery chillers, the modular systems can be from 20-600 tons. They use a single refrigerant lift and counter-flow in the heat exchangers. www.multistack.com