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
; ^7 d- a% n; _1 ythat 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
different operating temperature values, between –3.9 °C and 51.7 °C, assuming that the battery
" p4 B3 B) |( Z, U% @# A3 Kcharacteristic curves are given at 25 °C.
etap Battery Sizing program determines the temperature correction factor according to this
0 |- w# }" V( w( q8 stable.
/ o# t4 b$ g" V. i, k3 Q1. If the battery characteristic curves used in the calculation are for 25 °C and the battery
operating temperature is between –3.9 °C and 51.7 °C, the correction factor is determined
by the interpolation method based on the values given in table.
2 q# n3 h, P4 F2 B& C! Y2. If the battery characteristic curves used in the calculation are for 25 °C, but the battery
operating temperature is outside the range from –3.9 °C and 51.7 °C, the correction factor
5 Q/ M( t0 ?2 w+ i; }is determined by the following equation,
* X* l' r& V+ X8 z9 q1 Cy = -2.8117*x^3 + 4.1916*x^2 – 2.4941*x + 1.405
+ G- {  K: z' q6 m+ L3 _/ z3. If the battery characteristic curves used in the calculation are not for 25 °C, the correction
* m' |# q5 F  t, ofactor given in Table 1 are shifted and then used as described in the above. For example, if
5 N6 F2 A5 y1 f: u) vthe battery characteristic curves are for 35 °C, the temperature values in Table 1 are
- Y6 D! _. m  g. @2 `% _4 kmodified by adding 10 °C. Therefore, the correction factor at 35 °C is equal to 1 and the
( H, r! E/ p7 ~2 c: ?& _, r- e0 uoperating temperature range becomes 6.19 °C and 61.7 °C.