3kVA 400Hz to 50Hz/60Hz Frequency Converter

3kVA static variable frequency converter for sale at lower cost. Single phase 115 volt 400Hz to 50Hz/60Hz or variable 45-400Hz. Buy this high frequency converter for aircraft manufacturing and testing.
Delivery date: 25 - 30 Days

3kVA 400Hz frequency converter is a AC power source with single phase 115V input, 0-300V 50Hz/60Hz ouput. It adopts model IGBT/SPWM switch mode technology, safer and more reliable.


Model HZ-AFC-1103
Input Specifications
Phase Single phase
Voltage 115V±10% (Please contact us for other input voltage)
Frequency 400Hz±5%
Output Specifications
Capacity 3kVA
Phase (Optional)* Single phase (L, N, G)
Spilt phase (L1, L2, N+G; L1+L2=240V, L+N=120V)
Max Current 0-150V Range 25A
0-300V Range 12.5A
Voltage L-N (Line to Neutral) Low Range 0-150V/ High Range 0-300V
Transient Response 30ms
Frequency (Optional)* 45-65Hz Adjustable, 45~400Hz Variable
When the output is 400Hz, the load capacity can only reach 50% of the rated capacity;
When the output is ≤120Hz, the load capacity can reach 100% of the rated value.
Total Harmonic Distortion (THD) ≤1% (Resistive Load, Full load 2%)
Voltage Regulation ≤1%
Load Regulation ≤1% (Resistive Load)
Frequency Regulation ≤0.01%
Efficiency ≥85% ( At full load)
Protection Over current, Short circuit, Over temperature, Over load, Phase deficient, Low-voltage protection.
Overload Capacity 100%<Output≤110%, power supply will be automatically cut off after 27min;
110%<Output≤130%, power supply will be automatically cut off after 10s;
130%<Output≤150%, power supply will be automatically cut off after 5s;
Output>150%, power supply will be cut off immediately.
Measurement Current (RMS) Resolution: 1mA/10mA or 10mA/100mA
Accuracy: 0.3%F.S.±3; Counts±0.1%/100Hz
Voltage (RMS) Resolution: 0.1V
Accuracy: 0.3% F.S.±2; Counts±0.1%/100Hz
Frequency Resolution: 0.01Hz/0.1Hz
Accuracy: 0.3% F.S.±2; Counts±0.05%/100Hz
Working Environment
Operating Temperature 0 - 40°C/ 32 - 104°F
Relative Humidity 10-90%,´╝łNon-condensing)
4 Digits LED Display Voltage, Current, Frequency
Interface RS232 (Optional: RS485, GPIB, just contact us)
Memory Function With power-off memory function, remember the last output parameters automatically.
Sync Output Signal Support
Mechanical Specifications
Dimensions (W x H x D) 430 x 192 x 510mm
Weights 50kg

Tips: Why can't VFD be used as a frequency converter?
There are essential differences between frequency converter and VFD. Due to the different power grid indicators in the world, electrical manufacturers need power supply to simulate the power grid conditions of different countries, and then provide appropriate voltage conversion. Frequency converter provides pure, stable, low harmonic distortion high frequency sinusoidal power output when engineers are working in design, development, product life testing, and over high/low voltage simulation testing applications. However, when VFD is used in the laboratory, there are some problems, such as the increase of vibration, electromagnetic noise, temperature rise, the test instrument cannot work and so on, which brings great difficulties to the test industry. Therefore, the frequency converter which can provide pure sine wave output has become an indispensable power supply equipment in the laboratory.

The frequency converter is to transform the alternating current in Mains electricity into pure sine wave after AC-DC-AC transformation. The output frequency and voltage can be adjusted within a certain range, which has been widely used. It can completely replace the role of VFD, and can better protect the equipment, can be used as a general power supply. It can output the power grid voltage and frequency of any country, and it can also be applied to loads with various impedance characteristics, including resistive, capacitive, inductive and other nonlinear loads. They are very close to the ideal AC power supply. But we need to pay attention to the different types of load, the power capacity of the frequency converter is not the same.

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