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RNHV series high voltage frequency conversion governor

Product Description

Product Overview


The RNHV series intelligent high-voltage variable frequency speed control device adopts power unit series connection technology, directly outputting 6kV/10kV voltage, and belongs to the high voltage source type frequency converter.

The product is designed with the goal of high reliability, easy operation, and high performance, meeting the needs of users for speed regulation, energy-saving, and improved production processes of fans, pumps, and compressors.
The entire system has undergone strict inspection and performance testing before leaving the factory, ensuring the quality and performance of each factory equipment.
In order to meet the needs of renovation projects and reduce investment in new projects, and to minimize the installation and renovation construction cycle of high-voltage variable frequency speed regulation devices, the system adopts an integrated design concept, including all components and internal wiring such as transformer cabinets, power cabinets, control cabinets, high-voltage switchgear (optional bypass cabinets). Users only need to connect high-voltage input and output cables, low-voltage control power supply, and control signal wires.
The RNHV series high-voltage variable frequency speed regulation device has the characteristics of integrated transportation and unilateral maintenance, making on-site installation, maintenance, and debugging convenient and easy to use; The unit DC support capacitor needs metallized film capacitor and built-in mechanical bypass module. Compared with Electrolytic capacitor, it has the characteristics of high reliability, maintenance free and long service life, perfect protection and control functions, making the product more suitable for the environment and meeting the process speed regulation requirements under various working conditions.

Product Model


Product composition

The RNHV series high-voltage variable frequency speed control system is mainly composed of a phase-shifting transformer cabinet, a power unit cabinet, and a control cabinet. The product adopts unit module series multi-level technology and belongs to voltage source frequency converter, with high reliability and easy operation, meeting the speed regulation requirements of loads such as fans and pumps.



Power unit cabinet

New modular drawer cabinet structure
New cabinet design, modular drawer cabinet structure, fast insertion and connection technology, extremely convenient installation and maintenance; Innovative aesthetic appearance design, lightweight and aesthetically pleasing;

Power unit

H-bridge topology structure, modular, all units can be interchanged: semi sealed structure, strong environmental adaptability, high reliability; Internal integration unit bypass function.



Monitoring System (HMI)

>True color touch screen, easy to use;
>Friendly interface, with easy access to running data;
>Virtual instrument, real-time display of the main operating parameters of the frequency converter;
>System status monitoring, power unit status monitoring;
>Real time data, historical data, trend analysis, and fault diagnosis;
>Parameter setting and operation data recording.
>Set usage permissions for device usage, debugging, and maintenance;
>Multi language support.






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