Caterpillar VFD-A800/W800 Variable Frequency Drives
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Caterpillar VFD-A800/W800 Variable Frequency Drives Equipment Description
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).
Key Specifications of Caterpillar VFD-A800/W800 Variable Frequency Drives Equipment
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Specifications of Caterpillar VFD-A800/W800 Variable Frequency Drives
Technical Data
- Converter Current Source Inverter ( CSI )
- Input Frequency 50/60 Hz ± 5%
- Input Voltage 3300V ± 10%
- Maximum Operational Torque 210.0 %
- Motor Type AC motor
- Operation 4Q
- Output Frequency 0-60 Hz
- Output Voltage 0-3300V
- Power Factor (cos phi) > 97.5% (PWM)
- Rated Power 800.0 kW
- Setup VFD separate from motor (cable distance up to 4 km/2.5 miles)
- Slew Rate 20%–80% < 20 m/sec
Dimensions (All dimensions and weights are approximate.)
- Height 1300.0 mm
- Length 3700.0 mm
- Weight – VFD-A800 (air cooled) 6700.0 kg
- Weight – VFD-W800 (water cooled) 7800.0 kg
- Width 1245.0 mm
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