Brüel & Kjær Sound & Vibration Measurement A/S

- Model LDS DPA-K - Switching Power Amplifiersr for Vibration Test Systems 70 - 280 kVA

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The DPA-K switching power amplifiers are designed for use with water-cooled electrodynamic shakers. They offer a maximum power output of 280 kVA, providing optimum performance for your vibration test system.

  • Power range of 70 - 280 kVA
  • High-end amplifiers designed for use with LDS water-cooled shakers (V964, V984 and V994)
  • Current sharing capability better than 1% allows multiple units to be connected in parallel with no risk of failure even under shock conditions.
  • Delivers greater than 90% efficiency
  • Peak current rating of 3-sigma meets ISO standards
  • Distortion less than 0.5% at full power.
  • Proven in multi-shaker applications.

The DPA-K amplifier uses similar power modules to those used in the SPA-K amplifiers Mk4a, along with all the benefits of using a parallel architecture. The amplifiers incorporate an extensive set of safety interlocks circuits, which will safely shut the system down in the event of any of them being activated.

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