What is the advantage of the G7’s 3-level inverter design?

Its 3-level architecture reduces surge voltages and leakage current—especially beneficial for installations with long motor cable runs—and improves motor bearing lifespan.

Can the G7 handle different industrial voltage requirements?

Yes, it supports up to 500 HP, offering flexible scalability for varying application needs.

What types of motor control does the G7 offer?

It delivers advanced vector control, enabling precise management of motor speed, torque, and position with high responsiveness.

How does the G7 help reduce maintenance and noise?

By minimizing electrical stress and acoustic emissions, the drive contributes to quieter, more reliable operation and extends equipment longevity.

Is the G7 suitable for retrofitting existing systems?

Absolutely—its robust design and secure performance make it ideal for enhancing existing installations without major system overhauls.

G7 Industrial AC Drive | Advanced 3-Level NPC Inverter Control

The G7 Industrial AC Drive is built for demanding applications that require exceptional control and reliability. Featuring exclusive 3-level neutral-point-clamped (NPC) inverter architecture, it is uniquely engineered to minimize issues related to long cable runs—such as electrical noise, motor shaft voltage, and premature bearing wear—making it a standout solution for challenging installations. With robust vector control built in, G7 delivers precise regulation of speed, torque, and position across a range of ratings up to 500 HP.

Features

3-Level Inverter Technology – Utilizes neutral-point-clamped design to produce smaller voltage steps, reducing surge voltages, leakage current, shaft wear, and noise, thus extending motor life.
Flexible Performance Ratings – Available in both 240 VAC (from 0.5 to 150 HP) and 480 VAC models (from 0.5 to 500 HP), offering versatility to fit various power needs.
Superior Dynamics – Delivers high torque even at ultra-low frequencies with closed-loop vector control; supports speed/torque/position control with excellent responsiveness.
Wide Speed Control Range – Offers 40:1 in V/f mode, 200:1 in open-loop vector, and up to 1000:1 in closed-loop vector for fine-tuned performance.
Auto-Tuning – Built-in motor auto-tuning (static and rotational) streamlines commissioning using only motor nameplate data.
Power Ride-Through – Features automatic restart or inertia ride-through capabilities to improve recovery following power loss.
Advanced Protection – Includes torque limiting, overload, phase loss, short-circuit, over-voltage, under-voltage, and over-temperature protections for enhanced reliability.
Comprehensive I/O Options – Equipped with multiple analog and digital inputs/outputs, pulse train I/O, plus Modbus RTU communication, enabling broad integration flexibility.
User-Friendly Design – Incorporates a backlit LCD keypad with multilingual support and copy functionality, flash memory for updates and program retention, quick-disconnect terminal strips, and plug-in cooling fan design.
Global Approvals & Reliability – UL, cUL, and CE certified, with an MTBF exceeding 28 years, underscoring its industrial-grade reliability.

Unlock advanced control, lower installation headaches, and ensure durable operation with the G7 Drive. Contact OnDrive Inc. today to see how this powerful NPC 3-level inverter can elevate your industrial drive solutions.