NVF1G series special type variable frequency drive is a product that adopts advanced no-speed sensor vector control technology. It can output 180% rated torque at 0.25Hz and achieve a steady-state accuracy of ±0.2% in closed-loop vector control. It has rich I/O ports and various dedicated machine functions.
This manual introduces the NVF1G series of specialized frequency converters, covering machine‑type variants for machining, textile, hoisting, winding and water‑supply applications. It details the control technology, performance parameters and available functions for each variant.
Technical sections include model designations, power ratings, input voltage ranges, overload capacities, protection class, cooling methods, wiring diagrams, control features, application fields, ordering guidance and customization options. This manual is written in Chinese.
| Input voltage | 3‑phase 380 V–480 V, 50 Hz/60 Hz |
|---|---|
| Overload capacity | 150 % for 1 min, 180 % for 10 s, 200 % for 0.5 s |
| Protection class | IP20 |
| Cooling method | Self‑cooling and forced air cooling |
It can handle 150 % overload for 1 minute, 180 % for 10 seconds, and 200 % for 0.5 seconds.
The converter accepts a 3‑phase input voltage of 380 V to 480 V at 50 Hz or 60 Hz.
It has an IP20 protection rating.
Both self‑cooling and forced air (strong wind) cooling are provided.