关于ETAP中蓄电池温度就证因子的说明

为薇薇

Per IEEE Standard 485, if the operating temperature of a battery (Lead Acid) is different from
that of the library curves used, the temperature correction factor should be applied in calculation
of battery capacity. Table 1 of the IEEE Standard 485 gives a list of correction factors for
- Q! W$ |+ G, `- B& j4 J  _5 Jdifferent operating temperature values, between –3.9 °C and 51.7 °C, assuming that the battery
9 m4 p. |+ M) t$ j& g9 x- `characteristic curves are given at 25 °C.
etap Battery Sizing program determines the temperature correction factor according to this
/ p  r$ Z2 ?' b) W& b" h' f! b: Rtable.
& u7 D) d$ s9 p1. If the battery characteristic curves used in the calculation are for 25 °C and the battery
# C8 [5 \5 @4 n' @3 F5 |operating temperature is between –3.9 °C and 51.7 °C, the correction factor is determined
9 c* C9 J( I2 s" d, c; Pby the interpolation method based on the values given in table.
2. If the battery characteristic curves used in the calculation are for 25 °C, but the battery
# r$ L3 A- J9 ^+ z+ Y: Q9 C( ?operating temperature is outside the range from –3.9 °C and 51.7 °C, the correction factor
is determined by the following equation,
8 n5 m% p1 o; a! A& xy = -2.8117*x^3 + 4.1916*x^2 – 2.4941*x + 1.405
3. If the battery characteristic curves used in the calculation are not for 25 °C, the correction
; H8 N/ E& M3 B/ K7 v9 c7 u% Xfactor given in Table 1 are shifted and then used as described in the above. For example, if
the battery characteristic curves are for 35 °C, the temperature values in Table 1 are
3 d) }, s) y' P% E, a0 D2 rmodified by adding 10 °C. Therefore, the correction factor at 35 °C is equal to 1 and the
operating temperature range becomes 6.19 °C and 61.7 °C.