Research of On-Line Testing Method for Lead-Acid Battery Internal Resistance
Cheng Yan-wei · Telecom Power Technology · 2010
Aiming at the disadvantages of testing methods for lead-acid battery internal resistance,an improved on-line testing circuit is designed with the lock-in amplifying technology,and the simulation is analyzed in LabVIEW.It's shown that this proposed testing circuit can suppress noise disturbance effectively and reduce phase-shifting error to test battery internal resistance with high accuracy.