VFD-A800/W800 Variable Frequency Drive for Face Conveyor Systems

Variable Frequency Drives VFD-A800/W800

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Key Specs

Rated Power
1072 HP
800 kW
Input Voltage
3300V ± 10%
3300V ± 10%
Maximum Operational Torque
210 %
210 %

Overview

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).

Product Specifications for VFD-A800/W800

Rated Power 1072 HP 800 kW
Input Voltage 3300V ± 10% 3300V ± 10%
Maximum Operational Torque 210 % 210 %
Converter Current Source Inverter (CSI) Current Source Inverter (CSI)
Slew Rate 20%-80% < 20 m/sec 20%-80% < 20 m/sec
Motor Type AC motor AC motor
Output Frequency 0-60 Hz 0-60 Hz
Input Frequency 50/60 Hz ± 5% 50/60 Hz ± 5%
Output Voltage 0-3300V 0-3300V
Operation 4Q 4Q
Power Factor (cos phi) > 97.5% (PWM) > 97.5% (PWM)
Setup VFD separate from motor (cable distance up to 4 km/2.5 miles) VFD separate from motor (cable distance up to 4 km/2.5 miles)
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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