UL High-Voltage Variable Frequency Drive (VFD) Cabinet - American Standard Motor Control Product

The American Standard UL high-voltage VFD cabinet boasts superior safety performance and application-specific functions.

The RNHV series intelligent high-voltage variable frequency speed control device employs power unit series technology, directly outputting voltages from 3.3kV to 18.7kV, classifying it as a high-voltage source type VFD. Designed with high reliability, ease of operation, and high performance in mind, the product meets users' needs for speed control and energy saving in fans, pumps, and compressors, as well as for improving production processes.

The entire system undergoes rigorous inspection and performance testing before leaving the factory to ensure the quality and performance of every unit.

To meet the needs of renovation projects and reduce the investment in new projects, and to minimize the construction cycle of high-voltage variable frequency speed control devices, the system adopts an integrated design concept, including all components such as transformer cabinets, power cabinets, control cabinets, and high-voltage switch cabinets (bypass cabinet optional), as well as internal wiring. Users only need to connect the high-voltage input and output cables, low-voltage control power supply, and control signal lines.

The RNHV series high-voltage variable frequency speed control device features integrated transportation and single-sided maintenance, making on-site installation, maintenance, and commissioning convenient and easy to use. The unit DC support capacitor requires metallized film capacitors and a built-in mechanical bypass module, offering higher reliability, maintenance-free operation, and longer lifespan compared to electrolytic capacitors. Comprehensive protection and control functions enhance the product's environmental adaptability and meet the process speed control requirements of various operating conditions.

Main Features:

Voltage Rating:                3.3-18.7KV

Suitable Motor Power: 250 kW to 36 MW

The intelligent high-voltage variable frequency speed control device adopts power unit series technology, directly outputting high-voltage power. This is a high-voltage source type frequency converter.

Features a brand-new cabinet design with a modular drawer cabinet structure, quick-plug connection technology, and extremely convenient installation and maintenance; innovative aesthetic appearance, lightweight and beautiful; Power units utilize a bridge topology structure, are modular, and all units are interchangeable; semi-sealed structure, strong environmental adaptability, and high reliability; integrated unit bypass function;

Excellent Human-Machine Interface (HMI) monitoring system:

> True-color touchscreen, easy to use;

> User-friendly interface, operating data readily accessible;

> Virtual instruments, real-time display of key frequency converter operating parameters;

> System status monitoring, power unit status monitoring;

> Real-time data, historical data, trend analysis, and fault diagnosis;

> Parameter setting and operating data recording;

> User permission settings for equipment use, commissioning, and maintenance;

> Multi-language support.

A brand-new integrated controller, combined with a PLC controller and standardized internal and external interfaces, and optimized cabinet layout, makes on-site installation and use more convenient while ensuring consistent equipment maintenance.

Integrated with multiple communication protocols, multiple Modbus-TCP interfaces, data monitoring, parameter reading and writing; remote virtual oscilloscope protocol, compatible with RENLE host computer software; FTP and TFTP file download services, software upgrades.

Meets relevant ETL, UL, CE, CSA, and IEC certification standards.