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Vendor Neutral

Fortnightly Magazine - July 2012

microgrid project at the U.S. Army’s Ft. Bliss in Texas. The Department of Defense (DoD) Environmental Security Technology Certification Program funded Lockheed Martin’s microgrid demonstration and the Princeton Power storage system. The 20-foot containerized storage system consists of one 100-kW grid-tied inverter and multiple advanced lead-acid batteries, capable of producing 20 kWh of energy. In the event of a power outage, the storage system provides enough energy to power the base, and also provides power factor correction and area frequency regulation services to the local system operator while the system is connected to the electric grid.

Smart Grid

Survalent Technology commissioned a new SCADA system at Mayfield Electric & Water Systems, the municipal utility for the City of Mayfield, Ky. The system includes several applications, including operations and outages accounting, control panels, and remote alarms. 

Middle Tennessee Electric Membership Corp. (MTEMC) chose Telvent GIT weather technology to improve its outage response processes. Last year MTEMC replaced its manual system for identifying outages and dispatching crews with Telvent’s automated outage management system. MTEMC also has used Telvent’s MxVision WeatherSentry solution since 2006.

Sprint established agreements with Metrum Technologies and Tollgrade Communications to provide network connectivity for distribution and management systems. Metrum smart meters and Tollgrade medium-voltage sensors are now available with Sprint wireless connectivity. Both companies will use Sprint’s Web-based portal for managing devices. Sprint says the wireless management and activation functionality will enable fast configuration and operations for smart grid systems.

Guam Power Authority (GPA) selected Tropos to provide network communications for the utility’s smart grid rollout across the island of Guam. GPA will use the Tropos network to backhaul smart meter data; automate switches and reclosers in its distribution system; provide connectivity for communicating faulted circuit indicators; and deliver critical data to field workers. The network will transfer data between smart meter data collectors and field devices and smart grid application software in GPA’s control center. 

Transelec S.A. of Chile selected Open Systems International (OSI) and Tecnet S.A. to supply a centralized SCADA/EMS system to replace a legacy Siemens system, which was shared between Transelec and other utilities.

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