Power Amplifier

The VSA-D Series amplifiers are meticulously designed to prioritize efficiency, reliability, and adaptability. Each module can be tailored to specific power requirements, allowing the VSA-D Series to accommodate nearly all demands associated with electro-dynamic shaker operations. This modular approach not only enhances system flexibility but also prevents total system failure by isolating potential issues within individual modules.

Featuring an integrated logic unit, power unit, and control unit, the VSA-D Series amplifiers offer unparalleled reliability, flexible configuration, energy efficiency, and ease of maintenance. These amplifiers are equipped with advanced built-in features that simplify vibration testing, ensuring optimal performance across various applications.

The VSA-D Series amplifiers incorporate cutting-edge technology and an intuitive human-machine interface, delivering a seamless and efficient user experience. Designed to meet the rigorous demands of electro-dynamic shaker systems, these amplifiers support a range of standard configurations and offer customizable solutions to meet specific customer needs. This flexibility allows for economical scaling of power capacity without requiring a complete system overhaul.

Engineered to provide precise signals to shakers for optimal performance, the VSA-D Series combines robust power output, high efficiency, and adaptability. The high switching frequency minimizes distortion, while extensive heat sinking ensures continuous safe thermal operation, even under demanding conditions.

Our expert engineering team excels in multi-disciplinary integration, guaranteeing exceptional reliability and stability, making the VSA-D Series ideal for critical military and commercial applications. Premax NA, Inc. is your trusted partner for high-performance power amplification solutions.

Features

  • Modular 8 kVA design with adaptive power output
  • Low distortion across a broad frequency range
  • Compatible with diverse test bench configurations and systems
  • Utilizes the latest IGBT technology for high voltage resistance and power capacity
  • Advanced MCU+DSP+FPGA framework with sophisticated digital control strategies
  • High switching frequency up to 150 kHz for precision control
  • Superior signal-to-noise ratio >65 dB
  • Minimal parallel operation current imbalance <1%
  • Exceptional amplifier efficiency >95%
  • Comprehensive self-protection features: over-voltage, over-current, over-temperature, displacement, undervoltage, cooling system failure, and module failure
  • High power availability and safety, ensuring reliable operation in critical environments

Parameter

Model

VSA-D402A

VSA-D802A

VSA-D123A

VSA-D243A

VSA-D323A

VSA-D563A

Maximum Power Output

4 kVA

8 kVA

12 kVA

24 kVA

32 kVA

56 kVA

Maximum Output Current (rms)

35A

70A

105A

210A

280A

500A

Exciter Current (DC)

10A

20A

30A

45A

55A

70A

Self-Protection

Over-voltage, over-current, over-temperature, displacement, cooling system failure, module failure, etc.

Front Panel Indicators

V&I display screen, cooling fan/warning indicator, gain adjust, emergency stop button

Operating Temperature

0°C ~ 40°C

Operating Humidity

0 to 90% RH non-condensing

Dimensions(L*W*H) (mm)

480×660×1110

600×880×1570

600×940×1965

Weight

240 kg

240 kg

390 kg

600 kg

660 kg

820 kg