Search results for "Backup battery"

showing 2 items of 2 documents

Bidirectional High-Efficiency Nonisolated Step-Up Battery Regulator

2011

The design and results of a high-efficiency high-power (5 kW) nonisolated bidirectional dc-dc converter is presented. High stability due to minimum phase behavior is an additional benefit of the topology. The converter is a new boost with output filter where input and output inductors are coupled. This converter is useful with any system that needs to charge and discharge backup batteries and can be applied in space, automotive, and telecom power systems.

Battery (electricity)EngineeringBackup batterybusiness.industryBuck–boost converterĆuk converterElectrical engineeringAerospace EngineeringTopology (electrical circuits)Electric power systemFilter (video)Boost converterElectronic engineeringElectrical and Electronic EngineeringbusinessIEEE Transactions on Aerospace and Electronic Systems
researchProduct

Solar Inexhaustible Power Source for Wireless Sensor Node

2008

Currently the appearance of really low power wireless transceivers is motivating the use of renewable energies to power embedded wireless sensor nodes in many applications. Nevertheless, energy storage and its degradation still keep on being the main issues in the design of any battery powered device. We present an autonomous power source based on a new system architecture, which uses the energy scavenging to replenish two different rechargeable energy buffers instead of the conventional single one. Combining appropriately a degradable large backup battery (Lithium-Ion) and a shorter but non degradable storage element (Supercapacitor), the lifetime of the group can be widely extended to wha…

Battery (electricity)EngineeringBackup batterybusiness.industryEmbedded systemElectrical engineeringWirelessbusinessWireless sensor networkEnergy harvestingEnergy storageSolar powerRenewable energy2008 IEEE Instrumentation and Measurement Technology Conference
researchProduct