450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps
450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps - Image 2
450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps - Image 3
450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps - Image 4
450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps - Image 5

450kW 600HP 690V 3 Phase Variable Frequency Drive for Mining, Oil & Gas & Heavy Pumps

Part NO.: RHT-VF01-96G-6T-45000 Category:
  • Sensorless Vector Control with 150% Starting Torque at 0.5Hz
  • Advanced Overload, Overvoltage & Fast Current Limit Protection
  • Power-Loss Ride-Through for Continuous Operation
  • Built-in Motor Thermal Protection (PT100/PT1000 Ready)
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Advanced power-loss ride-through capability maintains continuous operation during grid voltage dips, minimizing costly production downtime.

Seamless automation integration with broad fieldbus support, including Modbus, ProfiBus-DP, CANlink, and CANopen protocols.

Exceptional heavy-duty performance delivering 150% starting torque at 0.5Hz (SVC) and robust 60-second overload capacity for demanding applications.

Precision closed-loop vector control (FVC) ensures ultra-stable speed accuracy (±0.02%) for highly demanding process control systems.

Image showing RenhotecEV Variable Frequency Drive applications including industrial fan, motor, blower, air compressor, and solar pump.

Renhotec variable fruquency driver applications including:

  • Spindle Motor
  • Industrial Fan
  • Industrial Blower
  • Air Compressor
  • Industrial Mixer
  • Solar Water Pump

Basic Functions

Item Specifications
Max. Frequency Vector control: 0~3200Hz; V/F control: 0~3200Hz
Carrier Frequency 0.5kHz~16kHz (Auto-adjusts based on load characteristics)
Input Frequency Resolution Digital setting: 0.01Hz; Analog setting: Max. frequency × 0.025%
Control Mode Sensorless Vector Control (SVC), Closed-loop Vector Control (FVC), V/F Control
Starting Torque 0.5Hz/150% (SVC); 0Hz/180% (FVC)
Speed Range 1:100 (SVC); 1:1000 (FVC)
Speed Stability Accuracy ±0.5% (SVC); ±0.02% (FVC)
Speed Control Accuracy ±5% (FVC)
Overload Capacity 150% rated current for 60s; 180% rated current for 3s
Torque Boost Auto torque boost; Manual torque boost (0.1%~30.0%)
V/F Curve Linear, multi-point, N-power V/F curve (1.2, 1.4, 1.6, 1.8, 2.0 power)
V/F Separation Complete separation, half separation
Accel/Decel Curve Linear or S-curve; 4 sets of accel/decel times (0.0~6500.0s)
DC Braking Freq: 0.00Hz~Max. freq; Time: 0.0~36.0s; Current: 0.0%~100.0%
Jog Control Jog freq: 0.00~50.00Hz; Jog accel/decel time: 0.0~6500.0s
Simple PLC & Multi-step Speed Up to 16-step speed via built-in PLC or control terminals
Built-in PID Enables closed-loop process control system
Auto Voltage Regulation (AVR) Automatically maintains constant output voltage during grid fluctuations
Overvoltage/Overcurrent Control Auto-limits current/voltage during operation to prevent frequent fault tripping
Fast Power-Loss Ride-through Minimizes overcurrent faults to maintain normal operation
Torque Limit & Control “Excavator” feature auto-limits torque to prevent tripping; supports torque control in FVC mode

Customized Features

Item Specifications
Excellent Performance Achieves asynchronous motor control via high-performance current vector control tech.
Power Dip Ride-Through Compensates voltage drop via load regenerative energy during momentary power loss, maintaining short-term operation.
Speed Tracking Prevents frequent overcurrent faults during operation.
Virtual I/O 5 sets of virtual DI/DO for simple logic control.
Timing Control Timer function range: 0.0 min ~ 6500.0 min.
Multi-Motor Switchover Two sets of motor parameters allow switching control between two motors.
Fieldbus Support Supports 4 fieldbuses: Modbus, Profibus-DP, CANlink, CANopen.
Motor Overheat Protection Optional I/O expansion card 1: AI3 accepts motor temp sensor inputs (PT100, PT1000).
Multi-Encoder Support Supports differential, open-collector, UVW, resolver, and sine/cosine encoders.
PC Software Supports VFD parameter config and virtual oscilloscope for graphical monitoring of internal status.

Operation

Item Specifications
Command Source Keypad, control terminals, and serial comms. Switchable via multiple methods.
Frequency Source 10 sources: digital, analog voltage/current, pulse, and serial port. Switchable via multiple methods.
Auxiliary Frequency Source 10 aux sources. Flexible for fine-tuning and frequency synthesis.
Input Terminals Standard:

  • 5 DI (incl. 1 high-speed pulse up to 100kHz)
  • 2 AI (one 0~10V only, one 0~10V or 0~20mA)

Expansion:

  • 5 DI
  • 1 AI (-10V~10V, supports PT100/PT1000)
Output Terminals Standard:

  • 1 high-speed pulse output (open-collector optional, 0~100kHz square wave)
  • 1 DO
  • 1 Relay output
  • 1 AO (0~20mA or 0~10V)

Expansion:

  • 1 DO
  • 1 Relay output
  • 1 AO (0~20mA or 0~10V)

Display and Keypad Operation

Item Specifications
LED Display Displays parameters
Parameter Copy Quick parameter copy via optional LCD keypad
Key Lock & Function Selection Partial or full keypad lock to prevent misoperation
Protection Functions Power-on motor short-circuit detection, input/output phase loss, overcurrent, overvoltage, undervoltage, overheat, and overload protection

Environment

Item Specifications
Operating Environment Indoors, free from direct sunlight, dust, corrosive/combustible gases, oil mist, steam, dripping water, and salt
Altitude < 1000m
Ambient Temperature -10℃ to +40℃ (Derating required between 40℃ and 50℃)
Humidity < 95% RH, non-condensing
Vibration < 5.9m/s² (0.6g)
Storage Temperature -20℃ to +60℃
IP Rating IP20

Power (kW)

450
Horsepower (HP)

600
Rated Output Current (A)

465A
Input Voltage

3 Phase690V
Output Voltage

3 Phase690V
Power (kW)

450

 Horsepower (HP)

600
Rated Output Current (A)

465A

 Input Voltage

3 Phase690V
Output Voltage

3 Phase690V
Power (kW)

450
Horsepower (HP)

600
Rated Output Current (A)

465A
Input Voltage

3 Phase690V
Output Voltage

3 Phase690V

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