The Volt Commander | Industrial VFD Variable Frequency Drive Converter

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East Supplier PlatformSKU: 1005001279368712-1.5kw2HP-1phase220V-3phase380V-CHINA

Color: 1.5kw2HP
価格:
$263.35 $329.19

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説明

Motors Do Not Think. They Simply Obey the Frequency You Feed Them.

The Volt Commander is a variable frequency drive built for the workshop floor, not the white paper. Available in 220V single-phase input and 380V three-phase output configurations spanning 0.75kW to 11kW, it converts fixed-frequency mains power into precisely controlled motor speed — eliminating the need for mechanical gearboxes, pulley changes, and the inefficiency of across-the-line starting. Every industrial motor in your facility becomes a precision instrument.

What separates a commodity VFD from a production-grade drive is how it handles the edge cases. The Volt Commander's IGBT switching stage is rated for 150% overload for 60 seconds — enough to start a fully loaded conveyor or compressor without tripping. The built-in PID loop maintains constant pressure or flow without an external PLC. And the RS485 Modbus RTU interface means you can integrate it into a SCADA system in minutes, not days. For the plant engineer who has seen cheap drives fail under inrush, this is the drive that earns a permanent spot in the electrical cabinet.

Speed control is not a luxury. It is the difference between a motor that runs and a process that performs.

Key Features

  • 0.75kW–11kW Power Range — Single drive family covers fractional to multi-horsepower applications
  • 220V 1-Phase Input / 380V 3-Phase Output — Run 3-phase motors from single-phase supply
  • 150% Overload for 60s — Starts heavy loads without nuisance tripping
  • Built-in PID Controller — Constant pressure/flow/temperature without external PLC
  • RS485 Modbus RTU — Native serial communication for SCADA and building automation
  • V/F and Sensorless Vector Control — High starting torque at low speeds for conveyors and hoists
  • IP20 Enclosure with Forced-Air Cooling — Designed for control cabinet mounting

Technical Specifications

  • Input Voltage (1-Phase): 220V AC ±15%, 50/60Hz
  • Output Voltage (3-Phase): 0–380V AC, proportional to frequency
  • Power Range: 0.75kW / 1.5kW / 2.2kW / 4kW / 5.5kW / 7.5kW / 11kW
  • Output Frequency: 0.00–400.00Hz (programmable)
  • Control Method: V/F (Voltage/Frequency) + Sensorless Vector Control (SVC)
  • Overload Capacity: 150% rated current for 60s; 180% for 3s
  • Communication: RS485 Modbus RTU (standard); optional Profibus/CANopen
  • Digital Inputs: 5 programmable (NPN/PNP selectable)
  • Analog Inputs: 2 (0–10V / 4–20mA configurable)
  • Enclosure: IP20, forced-air cooling, wall/panel mount

Application Scenarios

The Volt Commander is the universal translator between your power supply and your machinery. HVAC engineers deploy it to soft-start compressor motors — eliminating the 6× inrush current spike that ages contactors and dims building lights on every cycle. Pump station operators use the PID loop to maintain constant water pressure across variable demand without an external controller. CNC machine builders integrate it via Modbus to synchronize spindle speed with toolpath commands from Mach3 or LinuxCNC. Conveyor system integrators select sensorless vector mode for full rated torque at 1Hz — crawling heavy loads into position without a gearbox reduction. And for the small manufacturer running a lathe, mill, and drill press from a single-phase shop supply, the Volt Commander converts that residential 220V into industrial three-phase without a rotary phase converter.

Frequently Asked Questions

Q: Can this VFD convert single-phase 220V to three-phase 380V for my motor?

A: Yes. The Volt Commander accepts single-phase 220V input and outputs three-phase 0-380V. This is a voltage-doubling topology — the DC bus is boosted internally. Ensure your single-phase supply can deliver the required input current (roughly 2× the motor nameplate current for single-phase input). For a 2.2kW motor, budget approximately 20A from your single-phase breaker.

Q: Do I need an external braking resistor?

A: For most applications (fans, pumps, conveyors) the built-in DC bus capacitor handles regenerative energy adequately during deceleration. For high-inertia loads (large flywheels, centrifuges, rapid-stop applications), an external braking resistor is recommended. The drive provides dedicated braking resistor terminals (BR+, BR-) — use a resistor rated for the drive's power class, typically 100-400Ω at 100W+ depending on model.

Q: How do I program the drive for my specific motor?

A: Enter motor nameplate data into parameters P0-P5: rated power, voltage, current, frequency, and RPM. The drive auto-tunes itself with a static test (measure stator resistance) or dynamic test (motor spins during tuning). For sensorless vector mode, run the dynamic auto-tune once — the drive learns your motor's electrical characteristics and delivers full torque from 1Hz upward. The keypad interface uses a 4-line LCD with intuitive menu navigation.

Q: What is the difference between V/F and sensorless vector control?

A: V/F control maintains a constant voltage-to-frequency ratio — simple, reliable, and sufficient for fans and centrifugal pumps. Sensorless vector control (SVC) estimates rotor position from current feedback without an encoder, delivering high starting torque (150%+ at 1Hz) and tight speed regulation (±0.5%). Use SVC for conveyors, hoists, extruders, and any load requiring low-speed torque.

Q: Can multiple motors run from one VFD?

A: Yes, but with specific constraints. You can run multiple identical motors in parallel from one VFD if: (a) total current does not exceed VFD rating, (b) each motor has its own thermal overload protection (the VFD protects itself, not individual motors), and (c) all motors start and stop together. For independently controlled motors, each requires its own VFD. The multi-motor approach works well for HVAC fan walls and conveyor sections where motors are mechanically independent but electrically paralleled.

Customer Reviews

Customer Reviews

Based on 3 reviews
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T
Thomas B.
Solid drive, excellent manual, loud cooling fan

I have installed over 30 VFDs across my career (mostly Danfoss and ABB) and this Chinese drive holds its own surprisingly well. The IGBT stage handles 150% overload without complaint — I tested it on a conveyor with a stuck bearing that pulled 180% before the mechanical jam cleared, and the drive simply current-limited and kept spinning. The manual is actually well-translated (which is rare). One complaint: the cooling fan runs at full speed constantly rather than being temperature-controlled. In a quiet lab environment it is noticeable. For an industrial cabinet, it is fine.

M
Miguel S.
PID loop for constant water pressure — works perfectly

I am using the 7.5kW model to drive a 10HP booster pump for a small agricultural irrigation system. The built-in PID controller maintains 4 bar at the sprinkler manifold regardless of how many zones are open. Previously I had a pressure switch that cycled the pump on/off constantly — the soft-start alone has already paid for the drive in reduced contactor wear and eliminated water hammer. The parameter menu is dense but the quick-start guide gets you running in 20 minutes. For anyone doing pump control, skip the pressure tank and use a VFD with PID.

R
Robert H.
Running my entire workshop from a single-phase supply

I have a home workshop with a 3hp milling machine, 2hp lathe, and 1.5hp bandsaw — all three-phase motors running from a 220V single-phase panel thanks to this VFD. Installed the 4kW model, wired it through a 3-position selector switch to choose which machine gets power. The sensorless vector mode delivers full torque at 5Hz for tapping operations. The Modbus RTU interface let me write a simple Python script to control speed via laptop. After 4 months of daily use, not a single fault or trip. This is a professional tool at a hobbyist price.

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