V&T V9 37kw High Precision Strong Torque Low Voltage Control VFD

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Product Description

Basic Information
Model NO.V9-H-4T37G/45LPrinciple of WorkVector Control Transducer
Switch ModePWM ControlMain Circuit TypeVoltage
Power SupplyLow Voltage Variable-Frequency DriveTransformationAC-DC-AC Variable-Frequency Drive
Nature of DC PowerVoltage Variable-Frequency DriveFunctionSimple Type, Elevator Special, Textile Special, Constant Torque Universal Type
BrandV&TOriginChina
Product Overview

V9 Series General Purpose Inverter

Easy Control / Friendly Interface / Multifunction Operation / Brilliant Succession

The V9−H Series General Purpose Inverter is a high-performance vector control and torque-controlled inverter. It supports both synchronous and asynchronous motors with multiple control modes including open loop, closed loop, V/F, and vector control.

Representative Industries
  • Machine tool industry & Processing centers
  • Lift and Crane industry
  • Air compressor and Papermaking industry
  • Oilfield and Plastic industry
  • Textile, Printing, and Packaging industry
  • Electric Vehicles and High-end Centrifuges
Core Features
Multiple Loop Control Position loop, Speed loop, and Torque loop modes.
Flexible Speed Commands Modbus, Keyboard, Analog, Multi-segment speed, Terminal UP/DN, Process PID, and Simple PLC.
Advanced Operation Panel LED and LCD options with parameter copy function (up to 500m) and password lock protection.
Communication Interface Built-in 485 communication interface using Modbus protocol for easy parameter management.
Product Visuals
V9 Inverter Product Description
V9 Inverter Features
V9 Inverter Interface
Technical Specifications
Control Characteristics Sensorless Vector Sensor Vector
Motor Type Synchronous and Asynchronous motors
Starting Torque Asynch: 200% at 0.25Hz 200% at 0 speed 150% at 1.5% speed (Synch)
Speed Precision ± 0.5% ± 0.02%
Torque Response <20ms <10ms
Efficiency 0.75kW-7.5kW: ≥93% | 11kW-45kW: ≥95% | 55kW+: ≥98%
Terminal Wiring & Dimensions
Terminal Wiring Diagram
Product Dimensions
V9 Series Structure
Frequently Asked Questions
What is the power range for the V9-H Series Inverter?
The V9-H series covers a power range from 0.75kW up to 630kW, catering to both light and heavy-load applications.
Does it support synchronous motors?
Yes, the V9 series is compatible with both synchronous and asynchronous motors, supporting various control modes for each.
What are the available communication options?
Standard models include built-in Modbus-RTU communication (RS485). Optional supports include CANopen, PROFIBUS-DP, and PROFINET.
What is the protection level of the device?
The standard protection level is IP20, suitable for installation in well-ventilated electrical cabinets.
Can the operation panel be used remotely?
Yes, the LED or LCD operation panels can be used as a remote-control box via a network cable for distances up to 500 meters.
Are there built-in reactors?
For 11kW and above models, DC reactors are available as built-in options; some high-power classes include them as standard.

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