The Sino-400 Static Frequency Converter is designed to provide accurate and stable frequency conversion for specialized industrial and infrastructure applications. It ensures consistent output performance, precise control, and reliable operation in demanding environments.
Sino-400
Static Frequency Converter
Product Overview
Key Features
High accuracy 400 Hz frequency conversion
Pure sine wave output for sensitive equipment
Advanced IGBT-based PWM technology
Wide input voltage and frequency tolerance
High overload handling capability
Low harmonic distortion
Complete electrical isolation for enhanced protection
Intelligent microprocessor control
Optional LCD display with fault diagnostics
Static and manual bypass support
Technical Specifications
Rating
10, 20, 30, 50, 100KVA
Input Voltage
Three Phase, 415 VAC, 50 Hz nominal, 4-wire with ground
Input Voltage Range
355–455VAC
Input Frequency Range
45-55Hz
Output Voltage:
220 VAC (Phase-Phase ±1%), 115 VAC (Phase-Neutral ±1%)
Output Frequency
400 Hz (±0.01%)
Output Power Factor
0.8 lagging to unity
Technology
Microprocessor based High Frequency PWM IGBT
Overload Capacity
00% continuous, 110% / 150% for 30 min / 30 sec
Crest Factor
Better than 3
Efficiency
>95%
Total Harmonic Distortion
<2% (linear load), <3% (non-linear load)
Waveform
Pure Sine Wave
Transient Response
±2%, recovery within 5 ms (0–100% load)
Noise Level
<60 dB at 1 meter
DC Bus Voltage Options
72VDC, 96VDC, 120VDC, 240VDC, 360VDC, 384VDC, 408VDC
Isolation
Complete input to output isolation
Cooling
Forced air cooling
Enclosure Protection
IP21
Operating Temperature
0°C to 50°C
Humidity
Up to 95% RH (non-condensing)
Interface
RS-232, SNMP (optional)