HFC 450KW Frequency Converter: Technical Specifications & Industrial Applications

Core Technical Parameters

Advanced Performance Features

Precision Control System

• Voltage adjustment sensitivity: ±1% of UN

• Frequency adjustment resolution: ≤0.1Hz

• Optical fiber isolated control (withstands test object breakdown)

Robust Protection Mechanisms

• 2kV/AC insulation (input/output to ground)

• Over-voltage/current programmable protection

• Triple temperature monitoring (bridge arm/main circuit/PCB)

Control Cabinet Functions

Operation Modes

1. Automatic Test Sequence:

• Auto-tuning frequency

• Programmable voltage ramp (0-99min)

• Precision timing (0.1sec resolution)

2. Manual Control:

• Separate coarse/fine adjustment knobs

• Cooling fan auto-direction detection

Industrial Applications

High Voltage Testing

Ideal for:

• Transformer impedance testing

• Cable partial discharge detection

• Switchgear dielectric tests

EMC-Compliant Design

• High-permeability magnetic alloy wiring

• Multi-layer electromagnetic shielding

• 75dB noise level during operation

Safety & Reliability

• 180min continuous operation at full load

• Temperature rise <50K at hottest point

• Forced air cooling system

This frequency converter meets industrial requirements for precision, stability, and safety in high-power testing environments. The modular design separates power units from control systems for enhanced operational flexibility.