INVT GD350A 220 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)

Description

The INVT GD350A 220 kW three-phase inverter is engineered for high-demand industrial applications. With dual power ratings—220 kW Normal Duty and 200 kW Heavy Duty—the GD350A 220 kW delivers precise motor control, robust torque, and reliable operation for pumps, fans, conveyors, and heavy machinery.

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Key Specifications

• Power Rating: 220 kW (Normal Duty) / 200 kW (Heavy Duty)

• Rated Voltage: 3-Phase 400V AC

• Control Modes: Advanced I/F control and constant current source for exceptional low-speed torque

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Superior Low-Speed Torque & Auto Motor Tuning

Designed for precise and powerful torque delivery even at very low speeds, the GD350A 220kW excels in applications where consistent torque is critical. Its automatic motor tuning optimizes parameters for asynchronous and synchronous motors alike, enhancing speed precision, reducing skin effect, and improving operational stability under variable load conditions.

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Robust Stability & Safety Mechanisms

• Voltage & Current Stability: Advanced control algorithms minimize faults by preventing overvoltage during deceleration, controlling output frequency to avoid motor surges, and managing overcurrent during acceleration.

• Integrated Safe Torque Off (STO): Meets stringent machinery safety standards by enabling immediate power cut-off, ensuring operator safety.

• Uninterrupted Operation: Maintains motor function through brief power interruptions by utilizing stored energy, critical for continuous industrial processes.

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High Overload Capacity & Advanced Braking

• Overload Endurance: Supports up to 150% current for 1 minute, 180% for 10 seconds, and 200% for 1 second, ensuring resilience under peak loads.

• Multiple Braking Modes: Dynamic, DC, magnetic, and short-circuit braking options guarantee safe, efficient deceleration and controlled stops in heavy-duty industrial environments.

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Precision Control & Noise Suppression

• Positioning Accuracy: ±1 pulse, ideal for applications requiring exact actuator and motor positioning.

• Speed Control Accuracy: ±0.2% (SVC mode), ±0.02% (VC mode) for smooth, stable speed regulation.

• Starting Torque: Up to 0.25 Hz/150% for asynchronous motors and 0 Hz/200% for synchronous motors.

• Digital Noise Filtering: Innovative DSP technology filters electrical noise for reliable signal integrity and communications.

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Extensive Connectivity & Smart Features

• Industrial Network Compatibility: Built-in Modbus RTU with optional CAN, Profibus DP, and Profinet for seamless integration into industrial control systems.

• IoT-Ready Wireless Management: Optional Bluetooth and WiFi modules enable remote control and monitoring via the INVT-Workshop app within a 30-meter range.

• Flexible I/O Interfaces: 4 digital inputs, 2 high-speed pulse inputs, 2 analog inputs, relay and analog outputs, supporting complex industrial automation setups.

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User-Friendly Operation & Expandability

• LCD Control Panel: Multi-language, intuitive interface for easy setup, configuration, and troubleshooting.

• Programmable PLC: 128kB memory for tailored automation logic directly within the inverter.

• USB Data Transfer: Simple export of operational data and performance curves for diagnostics and maintenance.

• Expansion Slots: Three slots accommodate optional PLC, I/O, communication, and feedback modules, allowing complete customization to meet specific application needs.

• Versatile PC Interface: Supports USB-RS485, Ethernet, and cloud-based remote access protocols including UDP and MQTT.

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Ideal Applications for INVT GD350A 220 kW (ND/HD)

The INVT GD350A 220 kW three-phase VFD is designed for high-demand applications requiring robust torque and precise motor control. Its dual-rating design (Normal Duty 220 kW / Heavy Duty 200 kW) makes it ideal for:

• Heavy-duty pumps and fans

• Large conveyor systems

• Machine tools and packaging machinery

• Textile and food processing equipment

• Renewable energy installations

With this model, users benefit from consistent speed and torque control, enhanced energy efficiency, and reliable operation under variable loads—features specific to the GD350A 220 kW.

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Why Choose the INVT GD350A 220 kW (ND/HD)

The INVT GD350A 220 kW offers model-specific advantages that make it the preferred choice for professionals:

• Dual-rating flexibility for Normal Duty and Heavy Duty operations

• Robust, compact design for easy integration into existing systems

• Advanced motor control including precise speed, torque, and position management

• Comprehensive safety features such as STO and integrated braking unit

• Smart connectivity with Modbus RTU/ASCII, fieldbus options, and PLC integration

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See our full range of 400 V variable frequency drives, covering all power ratings from 0.75 to 500 kW.

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