矿用隔爆兼本质安全型高压变频调速一体机产品介绍

变频器和电机一体化，可拆分结构紧凑；

变频器与电机输入、输出可断开功能，可快速工变频切换，二者独立运行，维护更便捷；

先进的NPC I型三电平拓扑技术，输出谐波小，电压反射小，对电机更加友好；

新型DSP控制系统，实现系统故障智能化在线诊断；

基于CAN总线的多台机器自适应功率平衡功能，无需人为干预；

满载和超载情况下，整机效率≧95%；

具备过载、短路、过压、欠压、缺相、断相、功率元件过热保护等多种保护功能；

满足刮板输送机各种运行工况的要求，包括软启动、控制变速或定速带载运行、正常停机以及紧急停机、正反转控制等。

Mining Flameproof and Intrinsically Safe High-Voltage Variable Frequency Speed Regulation Integrated Machine

The frequency converter and motor are integrated with a detachable and compact structure;

Disconnection function between the frequency converter and motor input/output, enabling quick switch between power frequency and variable frequency modes. Independent operation of both components facilitates easier maintenance；

Advanced NPC Type I three-level topology technology with low output harmonic distortion and reduced voltage reflection; it is more motor-friendly；

New DSP control technology to carry out intelligent online diagnosis of system faults；

Adaptive power balancing for multiple units based on CAN bus without manual intervention;

Overall efficiency ≥95% under full-load and overload conditions；

Multiple protection functions including overload, short circuit, overvoltage, undervoltage, phase loss, phase failure, and power component overheating protection；

Suitable for various operational requirements of scraper conveyors, including soft start, controlled variable-speed or fixed-speed load operation, normal shutdown, emergency shutdown, and forward/reverse rotation control.