Medium Voltage VFD for Boiler Feed Water Pump

Medium Voltage VFD for Boiler Feed Water Pump

Basic Info Product Description Application: Three Phase Asynchronous motor Main Circuit Type: Voltage Link of Transformation: AC-DC-AC Variable-Frequency Drive Function: Constant Torque Universal Type Transport Package: Wooden Case (fumigation free) Output Type: Triple Voltage of Power Supply:...

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Product Details

Basic Info

Product Description

  • Application: Three Phase Asynchronous motor

  • Main Circuit Type: Voltage

  • Link of Transformation: AC-DC-AC Variable-Frequency Drive

  • Function: Constant Torque Universal Type

  • Transport Package: Wooden Case (fumigation free)

  • Output Type: Triple

  • Voltage of Power Supply: High Voltage Variable-Frequency Drive

  • Nature of DC Power: Voltage Variable-Frequency Drive

  • Brand: Aubo

  • Origin: China

Medium voltage VFD for boiler feed water pump 
Product Structure
Aubo MV VFD includes integrated structure and split-type structure based on capacity. The integrated structure is adopted in low capacity MV VFD and the split-type structure is adopted in high capacity MV VFD. In terms of an integrated machine, which is compact in size, phase-transformer, power units, control systems, and power frequency bypass are fully integrated into one cabinet; In terms of a split-type machine, phase-transformer, power units, control systems and power frequency bypass are assembled in separate cabinets in which are combined on the spot.

Technical Parameters


Medium voltage inputVoltage range3KV, 3.3KV, 4.16KV, 6KV, 6.6KV, 7.2KV, 10KV, 11KV (-20%~+15%)
Rated Power125-22000KW/155-27500kVA
Frequency range50/60 Hz±10%
Medium voltage outputOutput voltage0~Rated voltage
Output frequency and accuracy0~120HZ, 0.01 Hz
Digital Inputs/Outputs12 inputs/13 outputs (extensible)
PerformanceEfficiency≥0.96
Power factor>0.96
Overload capacity110% for 60s,120% for 120s, 150% for 3s
Current-limit Protection10%-150% setting
ControlAcceleration/deceleration time5s~1600s(depend on the load)
Digital Inputs/Outputs12 inputs/13 outputs (extensible)
Analog input2 channels 4~20mA
Analog output4 channels 4~20mA
Communications

RS485 interface, ModBus RTU as standard,

Optional Profibus DP, EtherNet, DeviceNet, etc.

Control power supply380, 5kVA (can be customized)
EnvironmentOperating environmentOperating in indoor environment without explosive or corrosive gases, conductive dust, or oil fog
Environment Humidity<95%, non-condensation
Installing Altitude<1000m, if > 1000m, de-rating 1% per 100m
Ambient humidity< 90% (No condensation)
OthersPLCLogic control, DI/DO/AI/AO, Communication with HMI and DCS
Protection functionOvercurrent, overload, short circuit, three phase current unbalance, immediate electric outage, input/output phase loss, overvoltage, undervoltage, body overheat, transformer overheat, shutdown due to external fault, and power unit auto bypass
Cooling modeForced-air cooling
User interfaceHMI, LCD,10',display all information ,fault diagnosis and set parameter
Protection gradeIP41

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