Caterpillar Performance Handbook, January 2017, SEBD0351-47

Variable Frequency Drives (VFD) ● Specifications

Longwall

20

Specifications Model

VFD — A800/W800

VFD — A1200/W1200

Rated Power

800 kW

1200 kW

1072 hp

1609 hp

Input Voltage

3300V ± 10%

3300V ± 10%

Output Voltage

0-3300V

0-3300V

Input Frequency

50/60 Hz ± 5%

50/60 Hz ± 5%

Output Frequency

0-60 Hz

0-60 Hz

Power Factor (cos phi)

>97.5% (PWM)

>97.5% (PWM)

Slew Rate

20%-80% <20 m/sec

20%-80% <20 m/sec

20%-80% <65.62 ft/sec

20%-80% <65.62 ft/sec

Maximum Operational Torque

210%

210%

Operation

4Q

4Q

Converter

Current Source Inverter (CSI)

Current Source Inverter (CSI)

Motor Type

AC motor

AC motor

Setup

VFD separate from motor

VFD separate from motor

Current Source Converter

Edition 47 20-61