Power auto-transformer OSG-75KVA 380V-690V

currentelectrical power supplydry

75kVA Auto-Transformer for Motor UPS Systems Designed for industrial motor-driven uninterruptible power supply (UPS) applications, this 75kVA auto-transformer provides efficient voltage regulation, compact design, and robust protection to ensure seamless power continuity for critical motor loads. Ideal for mitigating voltage fluctuations and optimizing energy transfer in demanding industrial environments. Key Features: 1.High-Efficiency Auto-Transformer Design a. Single-winding configuration reduces copper losses and achieves >98% efficiency, minimizing energy waste in continuous UPS operations. b. Adjustable tap settings (±5% voltage adjustment) for precise voltage stabilization under variable grid conditions. 2.Compact & Durable Construction a.IP20-rated enclosure with ventilated aluminum housing ensures dust resistance and passive cooling for indoor installations. b.Lightweight, space-saving design integrates seamlessly into motor control cabinets or UPS racks. 3.Motor UPS-Optimized Protection a. Built-in thermal overload protection and short-circuit safeguards to prevent motor burnout during power transients. b. Surge suppression windings mitigate voltage spikes (up to 6kV) from grid instability or motor regenerative feedback. c. Optional real-time voltage/current monitoring via digital display or Modbus RTU communication for remote diagnostics. 4.Wide Compatibility a. Supports 380V-480V input/output ranges, compatible with three-phase industrial motors and variable frequency drives (VFDs). b. Low electromagnetic interference (EMI) ensures stable operation alongside sensitive UPS control circuits.