MINING

ecoVert® VFM VARIABLE FREQUENCY MOTORS

The Breuer ecoVert® VFM range of variable frequency motors is designed for underground mining applications, specifically AFC & BSL, plough systems, conveyors, fans & pumps.  Our unique combination of VFD and mining motor in one compact flameproof package offers significant benefits to our customers:

  • Space saving particularly on heavy duty AFC systems
  • Full control of speed and torque from zero to 100% (and in reverse!)
  • High torque capability at zero speed gives the ability to always start a fully loaded chain or belt
  • Simple to operate and control, the VFM also gives automatic load sharing in multi-motor systems
  • High level of diagnostic & management information
  • Far lower operating cost than with hydrostatic couplings or gearbox solutions
  • Motor cable is integrated into the VFM which avoids the high level of electrical disturbance found with free-standing VFDs
  • No limit to the length of the VFM supply cable

TECHNICAL DATA

Voltage range

1000V, 1140V, 3300V, 4160V

Power range

300kW (400hp) – 1600kW (2200hp)

Torque capability

2.2 x FLT (0-20% speed), 1.5 x FLT (80-100% speed)

Protection type

Flameproof

Cooling type

Combined water cooling circuit for both VFD and motor

Communications

Profibus, 20mA, CANbus, Ethernet

Sequence

Multi-motor sequence with better than 2% load sharing

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