The Longli TNSGC series three‑phase digital voltage regulator user manual provides specifications, installation, operation, and maintenance instructions.
The TNSGC series three‑phase digital voltage regulator from Longli uses micro‑processor based digital control to adjust and optimize output voltage for industrial and laboratory applications. It offers high capacity, high efficiency, low waveform distortion, and multiple protection functions.
This manual covers product features, technical parameters, wiring diagrams, environmental requirements, component identification, installation steps, wiring instructions, routine maintenance, troubleshooting, and ordering specifications. This manual is written in Chinese.
| Capacity | 6 KVA ~ 180 KVA |
|---|---|
| Input Voltage | 380 V |
| Output Voltage | 0 ~ 430 V |
| Frequency | 50 Hz |
| Insulation Level | A 级 |
| Insulation Resistance | > 5 MΩ |
| Waveform Distortion | ≤ 0.1 % |
| Protection Functions | Overload, over‑voltage, under‑voltage, missing phase, short‑circuit |
A voltage can be preset to any fixed point within the adjustment range using a potentiometer; the regulator then automatically adjusts to the set voltage.
It includes overload, over‑voltage, under‑voltage, missing‑phase and short‑circuit protection with automatic alarm functions.