VFD-A800/W800 Variable Frequency Drive for Face Conveyor Systems
The Cat VFD-A800/W800 provides efficiency and maximized profitability for the motor control of armored face conveyors in underground longwall applications. The variable frequency drive consists of an air-cooled VFD unit, a liquid-cooled VFD unit, and an external cooling station. The Cat medium voltage drive delivers enhanced motor control and increased energy efficiency on motor applications with a rated power of up to 800 kW (1,072 hp).
Specifications
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Units:
Technical Data
Rated Power
1072 HP
800 kW
Input Voltage
3300V ± 10%
Maximum Operational Torque
210 %
210 %
Converter
Current Source Inverter (CSI)
Slew Rate
20%-80% < 20 m/sec
Motor Type
AC motor
Output Frequency
0-60 Hz
Input Frequency
50/60 Hz ± 5%
Output Voltage
0-3300V
Operation
4Q
Power Factor (cos phi)
> 97.5% (PWM)
Setup
VFD separate from motor (cable distance up to 4 km/2.5 miles)
Dimensions (Approximate)
Length
146 in
3700 mm
Weight - VFD-A800 - Air Cooled
14771 lb
6700 kg
Width
49 in
1245 mm
Height
51 in
1300 mm
Weight - VFD-W800 - Water Cooled
17196 lb
7800 kg
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