Sin Wave
HFC 75kW Heavy-Duty Frequency Converter | Industrial HV Testing System
Designed for maximum-power testing applications, the HFC 75kW Frequency Converter delivers precision 0-350V output at 214.2A with advanced protection systems for transformer testing, cable diagnostics, and high-power component validation.
Power Specifications
Parameter | Specification |
---|---|
Input Voltage | 380V±10% (3-phase, 50Hz) |
Input Current | 197.3A |
Output Power | 75kW continuous |
Output Voltage | 0-350V AC (single-phase adjustable) |
Output Current | 214.2A max |
Frequency Range | 30Hz-300Hz |
Power Cables | 6×50m 120mm² included |
Premium Performance Features
Waveform Quality: <1% THD pure sine wave
Voltage Stability: ≤1.0% deviation under load
Frequency Precision: 0.01Hz resolution, ±0.05% stability
Partial Discharge: <5pC at rated load
Duty Cycle: 1hr ON/1hr OFF (3 cycles/day)
Acoustic Noise: ≤80dB operation
Industrial Protection Systems
Robust Architecture
Optically isolated control system (immune to test object breakdown)
Modular design: 75kW power unit separate from portable control
Military-grade magnetic shielding (high-permeability alloy)
EMI Protection
Zero-radiation design for sensitive environments
Maintains accuracy in strong electromagnetic fields
Triple-shielded lead wires
Smart Control System
Operation Panel
Emergency stop with hardware cutoff
Dual-mode voltage control (coarse/fine with programmable rates)
Precision frequency adjustment (0.01Hz steps)
Auto-sensing cooling system
Automated Testing
Standard Sequences:
Auto-resonance detection
Programmable voltage profiles (ramp up/down, dwell)
Precision timing (0-99min, ±0.1s) with audible alert
Custom Modes: User-defined test procedures
Protection Features
Adjustable overvoltage/overcurrent protection
Real-time monitoring of 15+ parameters
Heavy-Duty Applications
Utility-scale transformer testing
High-current cable withstand testing
Generator stator diagnostic tests
Industrial capacitor bank validation
High-power lab research applications
With its unmatched 75kW capacity and laboratory-grade precision, the HFC Frequency Converter meets the most demanding requirements of industrial high-voltage testing per IEC 60270 and IEEE 4 standards.