Atec Megger-TORKEL-820 - Manual (Page 4)

TORKEL 820
Battery Load Unit
Specifications TXL830 / 850
Specifications are valid at nominal input voltage and an ambient
temperature of +25°C, (77°F). Specifications are subject to change
without notice.
Environment
Application field The instrument is intended for use in
high-voltage substations and industrial
environments.
Temperature
Operating 0°C to +40°C (32°F to +104°F)
Storage & transport -40°C to +70°C (-40°F to +158°F)
Humidity 5% – 95% RH, non-condensing
CE-marking
LVD 2006/95/EC
EMC 2004/108/EC
General
Mains voltage 100 – 240 V AC, 50 / 60 Hz
Power consumption 75 W (max)
Protection Thermal cut-outs, automatic overload
protection
Dimensions
Instrument 210 x 353 x 600 mm
(8.3” x 13.9” x 23.6”)
Transport case 265 x 460 x 750 mm
(10.4” x 18.1” x 29.5”)
Weight 13 kg (28.7 lbs)
21.4 kg (47.2 lbs) with transport case
Cable sets for
TXL830 / 850 2 x 3 m (9.8 ft), 70 mm 2 , 270 A, with
cable lug. Max. 100 V. 5 kg (11 lbs)
Load section
TXL830 TXL850
Max. voltage (DC) 28 V 56 V
Max. current 300 A 300 A
Max. power 8.3 kW 16.4 kW
Internal resistance, 3-position selector
Position 1 TXL830 TXL850
Current 0.275 Ω 0.55 Ω
100 A at 27.6 V (12 x 2.3 V) at 55.2 V (24 x 2.3 V)
78.5 A at 21.6 V (12 x 1.8 V) at 43.2 V (24 x 1.8 V)
50.1 A – –
39.2 A – –
Position 2 TXL830 TXL850
Current 0.138 Ω 0.275 Ω
200 A at 27.6 V at 55.2 V (24 x 2.3 V)
156 A at 21.6 V 43.2 V (24 x 1.8 V)–
Position 3 TXL830 TXL850
Current 0.092 Ω 0.184 Ω
300 A at 27.6 V at 55.2 V (24 x 2.3 V)
235 A at 21.6 V 43.2 A (24 x 1.8 V)
100 A – –
78.4 A – –
Discharging capacity, examples
12 V battery (6 cells) 2)
Final voltage Constant current Constant power
1.80 V / cell (10.8 V) 0 – 121 A 0 – 1.31 kW
1.75 V / cell (10.5 V) 0 – 117 A 0 – 1.23 kW
1.67 V / cell (10.0 V) 0 – 110 A 0 – 1.10 kW
24 V battery (12 cells) 2)
1.80 V / cell (21.6 V) 0 – 270 A 0 – 5.8 kW
1.75 V / cell (21.0 V) 0 – 266 A 0 – 5.59 kW
1.60 V / cell (19.2 V) 0 – 241 A 0 – 4.63 kW
48 V battery (24 cells) 2)
1.80 V / cell (43.2 V) 0 – 270 A 0 – 11.6 kW
1.75 V / cell (42.0 V) 0 – 270 A 0 – 11.3 kW
1.60 V / cell (38.4 V) 0 – 259 A 0 – 9,9 kW
2) 2.15 V per cell when test starts