Econ is one of few companies worldwide specialize with planning and production of switched, reliable, quality power amplifier’s in all size or power.
Power Amplifier 4kVA to 210KVA
VSA-D Series, Digital Switching - Powered by SiC-FET Technique
SiC-FET (Silicon Carbide Field Effect Transistor) is latest power device. It has much higher
efficiency than MOSFET and IGBT device in power conversion, especially it has superb
performance in high voltage resistance, higher switching frequency, lower distortion, long-time
operation with minimum maintenance
Easy Operation and Remote Control Supported
VSA-D series power amplifier delivers easy operation to
operator with convenient parameter setting up and
instant result checking.
Also, VSA-D series power amplifier supports remote
control thru Ethernet from far computer to maximize
operators’ conveniences.
Features
-
Standard 8kVA module, modulated and adaptive.
- Latest SiC-FET (Silicon Carbide Field Effect Transistor), with high withstand voltage, high power and reliability.
- MCU+DSP+FPGA framework with advanced digital control strategy.
- Advanced Loop control and advanced algorithms.
- Switching frequency up to 400kHz.
- Signal-to-noise ratio ≥70dB.
- Parallel operation current imbalance over 1%.
- Energy efficiency ratio over 93%.
- Various Interlocks protections of over voltage, over current, over temperature, over displacement, cooling system failure, under voltage input, module failure, excitation power failure, power supply failure, etc.
- User friendly operation.
Performances
| Rated Output Power |
4kVA-210kVA |
| Output Voltage (rated) |
120Vrms |
| Max. Output Current |
35Arms….1850Arms |
| Frequency Range (rated) |
DC-8000Hz |
| Signal-noise Ratio (SNR) |
≥70dB |
| Conversion Efficiency |
>93% |
| Frequency Response (5Hz-5000Hz) |
±1.5dB |
| Harmonic Distortion (100Vpk, 5Hz-5000Hz) |
≤0.8% |
| Full Power Bandwidth |
5Hz-5000Hz |
| Switching Frequency |
400kHz |
| Parallel Operation Current Unbalanceness |
≤1.0% |
| Input Impedance |
>10kΩ |
| Output Bias Voltage |
±50mV |
| Interlocks and Protection |
over-travel, over/less voltage, over/less current module/cooling/oil pressure failure, etc |
| Power Module |
8kVA/14kVA, modularized |
| Operation |
7” Touch screen |
