Table c-5 temperature compensation calculation, Table c-4, Table c-5 – Xantrex Technology SW Plus 4024 User Manual
Page 304: Table c-5, “temperature compensation
Battery Information
C–14
976-0043-01-02
Temperature compensation is based on battery type—5 mv/cell for lead
acid type batteries and 2 mv/cell for alkaline type batteries (NiCad or
NiFe). The temperature compensation calculations are derived from
.
Table C-4 Variances in Charging Voltage based on Battery Temperature
Temperature
(around the BTS)
24-volt units
48-volt units
Celsiu
s
Fahrenhei
t
Lead
Acid
NiCad
Lead
Acid
NiCad
60
140
-2.10
-1.40
-4.20
-2.80
55
131
-1.80
-1.20
-3.60
-2.40
50
122
-1.50
-1.00
-3.00
-2.00
45
113
-1.20
-0.80
-2.40
-1.60
40
104
-0.90
-0.60
-1.80
-1.20
35
95
-0.60
-0.40
-1.20
-0.80
30
86
-0.30
-0.20
-0.60
-0.40
25
77
0.00
0.00
0.00
0.00
20
68
0.30
0.20
0.60
0.40
15
59
0.60
0.40
1.20
0.80
10
50
0.90
0.60
1.80
1.20
5
41
1.20
0.80
2.40
1.60
0
32
1.50
1.00
3.00
2.00
-5
23
1.80
1.20
3.60
2.40
-10
14
2.10
1.40
4.20
2.80
-15
5
2.40
1.60
4.80
3.20
-20
-4
2.70
1.80
5.40
3.60
-25
-13
3.00
2.00
6.00
4.00
-30
-22
3.30
2.20
6.60
4.40
-35
-31
3.60
2.40
7.20
4.80
-40
-40
3.90
2.60
7.80
5.20
Table C-5 Temperature Compensation Calculation
Battery Type
24-volt
Systems
48-volt Systems
Lead Acid
0.060 volts (60 mV)
per degree Celsius
0.120 Volts (120 mV)
per degree Celsius
NiCad
0.040 volts (40 mV)
per degree Celsius
0.080 volts (80 mV)
per degree Celsius