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Variable Frequency Drives

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

Rated Power

1,072 HP

Input Voltage

3300V ± 10%

Maximum Operational Torque

210 %

SPECIFICATIONS

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).

Detailed Equipment Specifications

Dimensions (Approximate)

Width

49 in

Weight - VFD-A800 - Air Cooled

14,771 lb

Length

146 in

Height

51 in

Weight - VFD-W800 - Water Cooled

17,196 lb

Technical Data

Rated Power

1,072 HP

Input Voltage

3300V ± 10%

Maximum Operational Torque

210 %

Setup

VFD separate from motor (cable distance up to 4 km/2.5 miles)

Power Factor (cos phi)

> 97.5% (PWM)

Operation

4Q

Input Frequency

50/60 Hz ± 5%

Output Frequency

0-60 Hz

Motor Type

AC motor

Slew Rate

20%-80% < 20 m/sec

Converter

Current Source Inverter (CSI)

Output Voltage

0-3300V

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