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Electric Vehicles Research
Posted on July 15, 2020 by  & 
External Company Press Release

Increasing Driving Range in Electric and Hybrid Vehicles

Dynamic current is normally not specified in system and device data sheets. It is usually integrated and "hidden" with system reservoir/bypass/stabilizing capacitors, adding to the overall DC current draw from electric vehicle batteries. For more information see the IDTechEx report on Electric Vehicles 2020-2030: 2nd Edition.
 
System capacitors are found at the input and output of electric vehicle DC to DC converters, the supply lines and outputs of EV inverters and other electric vehicle devices and modules, as shown in the diagrams. The CurrentRF CC_100 PO/SSC IP and IC (power optimiser/silicon super capacitor) replaces or can be replaced in parallel with system capacitors to capture and recycle up to 36% of the said dynamic, high frequency current, increasing EV system power efficiency by a cumulative average of 10%. This surge reduction and efficiency increase reduces battery current draw/size, adding effective capacity to the EV battery, extending battery life, discharge cycles and mileage between EV recharge cycles. The CC_100 PO/SSC ICs draw no DC operational current thus creating a high bandwidth, dynamic current recycling unit that easily work in concert with or replace electric vehicle conversion system capacitors.
 
 
This reduced current draw from electric vehicle batteries allows the use of smaller EV batteries, thus less weight and greater mileage between recharge cycles, or increased vehicle mileage for the same size battery arrays. The CC_100 PO/SSC devices can be retrofitted into electric vehicles and/or included in new EV designs and products. Thus the CC_100 PO/SSC devices replace or work in concert with existing reservoir/bypass/stabilizing capacitors, can be retrofitted into existing electric vehicle designs, increase electric vehicle mileage between recharge cycles, saving power and weight that is normally included in the overhead of electric vehicle systems, and if utilised, making the electric vehicle manufacturer more competitive in the electric vehicle market place.
 
 
Dynamic current and power, drawn by digital switching circuits, is normally not specified in system and device datasheets. It is usually integrated and "hidden" by the action of system reservoir and bypass capacitors, adding to the overall DC current draw in electronic systems. There is a direct relationship between the scope and spectrum images of Dynamic Power shown, and the overall DC power draw shown on the DC meter insets. The lower the magnitude of the scope and spectral waveforms, the lower the drawn DC power. With the CC_100 device engaged, the overall DC current is shown to drop from a dis-engaged high of 210mA, to a low of 202mA. The CurrentRF CC_100 PO/SSC IP and IC (Power Optimizer/Silicon Super Capacitor) replaces or can be placed in parallel with system capacitors, to capture and recycle up to 36% of the said dynamic, high frequency current, reducing average power by 20%. This surge and average dynamic power reduction can be evaluated by utilizing the CC_100 PO/SSC IC and IP behavioral model, as shown, is constructed from standard Spice behavioral sources. The CC_100 PO/SSC IC and IP draws no DC operational current, thus creating a high bandwidth, dynamic current recycling unit, that can be imported into any system, PCB, or IC design. Users interested in dynamic power reduction in their digital and switching circuit designs, are encouraged to use the above simulation model, for CC_100 evaluation.
 
 
Source: CurrentRF
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