BATTERY SYSTEM WITH A VOLTAGE EQUALISING CIRCUIT, AND METHOD FOR IDENTIFYING A DEFECTIVE STATE OF THE VOLTAGE EQUALISING CIRCUIT AND CELL VOLTAGE MEASUREMENT

摘要

Various embodiments may include a battery system comprising: a battery cell; and a voltage balancing circuit for balancing a voltage at the battery cell. The voltage balancing circuit includes: a balancing current path electrically connected between a positive power connection terminal and a negative power connection terminal of the battery cell, two resistors, and a controllable balancing switch connected in series with the two resistors; and a measuring arrangement electrically connected on a signal-input side to an electrical connecting point between the two resistors and configured to detect a first voltage potential at the electrical connecting point.