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Table 1 Equation 9 - Equation 12 variables

From: On the design of an energy-harvesting noise-sensing WSN mote

Variable

Description

C

Capacitance of external capacitor

 

in parallel with the battery

t Draw

Length of time that the current would be drawn

R Load

Load resistance

V Max

Final capacitor voltage that must

 

be attained before next current draw

V Min

Initial voltage when charging begins

t Charge

Capacitor charge time

R Bat

Battery resistance

V Chg

Applied charging voltage on the capacitor

V out (average)

Average voltage across the

 

load during the current draw

I pulse

Level of current draw(in Amperes)