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Eltek Valere Brings Green Power Systems To Wireless Cell Sites


New 24V high-efficiency AC-DC power system that reduces wasted power and cuts electricity and cooling expenses is now available to hundreds of thousands of wireless cell sites across the world.

RICHARDSON, TX . – The new Eltek Valere Flatpack 2 24/1800 HE rectifier module is the first high-efficiency, 24V system offering more than 95% peak efficiency compared to industry state of the art of 90%. With efficiency levels greater than 95% at between 30 percent – 70 percent of the output capacity, the Flatpack 2 24/1800 HE decreases power losses by at least 50% compared to alternative solutions.The new high-efficiency system also can lower cost of meeting backup power initiatives.

The new rectifier is the third in a series of high-efficiency rectifiers developed by Eltek Valere as part of its green-line product strategy.

“This is a pioneering new system because much of the industry’s focus on high efficiency has been on 48V technology, but 24V power is essential at many cell sites and now these carriers have an alternative to help lower their costs and meet their environmental commitments,” said Allen Pitts, Eltek Valere President for the Americas.

The Flatpack 2 24/1800 HE is a standalone 24-volt AC-to-DC power rectifier and battery charger that provides up to 1.8kW at nominal input. The rectifier can be used in a variety of system configurations from Eltek Valere, and can be scaled up to 48kW and beyond. The Flatpack 2 24/1800 HE provides intelligent self-protective features like reduced output power at high temperatures or low AC input.

The efficiency of the rectifier, along with Eltek Valere’s system and controller features, can help carriers to provide reliable and extended reserve times– at a time when many are facing initiatives to provide increased back up power at cell sites to maintain service during emergencies.
In battery backup applications, Eltek Valere’s controllers provide features that optimize the performance of various battery technologies. Comprehensive monitoring, testing, and reporting capabilities enable early indication of any impending issues. The result is extended battery life and lower maintenance costs.

Many Eltek Valere power systems support multiple power bus configurations, which enable operators to distribute loads into high and low priority. Low priority systems can be automatically taken off line during a power outage, extending the battery reserve time for the most critical systems.

Oftentimes, emergency generator sets are limited in their capacity to meet the growing power demand at cell sites. The use of HE rectifiers reduces the load on these emergency generators, and makes more effective use of their capacity.

The Flatpack 2 24/1800 HE features plug and play capabilities for easy installation. Operators can plug the new rectifier into the power shelf and it automatically logs on, gets an assigned ID, downloads the system set parameters from the control system and starts up.

Eltek Valere also offers at 48V version of the Flatpack product family, giving carriers a complete solution for high-efficiency power at cell sites or in other parts of the network. A combined 24V/48V Flatpack system is also possible using converters.

The Flatpack 2 24/1800 HE is available immediately from Eltek Valere and its resellers worldwide. All Flatpack 2 24/1800 HE rectifiers are CE marked, UL recognized and NEBS compliant.


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