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Special Frequency inverters
Special Frequency Inverters: Precision Control for Non-Standard Applications
Special frequency inverters, also known as variable frequency drives (VFDs) for non-standard mains or motor requirements, are engineered to handle voltage and frequency inputs outside the typical 50/60 Hz range. These drives are essential for applications where the suppl...
Special Frequency Inverters: Precision Control for Non-Standard Applications
Special frequency inverters, also known as variable frequency drives (VFDs) for non-standard mains or motor requirements, are engineered to handle voltage and frequency inputs outside the typical 50/60 Hz range. These drives are essential for applications where the supply network operates at unusual frequencies, such as 16 2/3 Hz for railway systems, 400 Hz for aerospace ground support, or 100 Hz for specialized industrial machinery. They feature robust power stages with IGBT technology, adjustable carrier frequencies, and advanced control algorithms like sensorless vector control or closed-loop flux vector control. Key parameters include rated power from 0.75 kW to several hundred kW, input voltage ranges from single-phase 100 VAC to three-phase 690 VAC, and output frequencies up to 600 Hz or more. Protection ratings typically range from IP20 for cabinet installation to IP54 for harsh environments, with built-in EMC filters and DC link chokes for harmonic mitigation.
These drives are deployed in sectors where standard industrial frequencies are not applicable. Common environments include railway traction systems, shipboard electrical networks, airport ground power units, military mobile generators, and mining operations with isolated power grids. They are also used in test benches for motors and generators, elevator drives with non-standard power supplies, and renewable energy systems like wind turbines with variable frequency outputs. In process industries, they control pumps, fans, and compressors operating on legacy or custom power systems.
Our catalog includes subcategories such as single-phase input inverters for 16 2/3 Hz railway supplies, three-phase 400 Hz drives for aerospace applications, and high-frequency inverters for spindle motors up to 1000 Hz. Key article codes follow a pattern like OM2109-XXXX, where XXXX denotes power rating in kW (e.g., OM2109-0015 for 1.5 kW, OM2109-0075 for 7.5 kW). Other relevant codes include OM2110 for regenerative units and OM2115 for multi-drive configurations. Each article includes detailed technical datasheets with wiring diagrams and parameter lists.
Partnering with Electric Automation Network ensures access to these specialized drives with real-time pricing and global express shipping. Our engineering team provides personalized support for drive selection, parameterization, and commissioning, including assistance with fieldbus integration (PROFIBUS, EtherCAT, Modbus TCP). We offer extended warranties and spare parts availability for critical installations.
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