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  • IMPULSE D+ HHP Application Diagram

Magnetek’s high performance AC Line Regenerative Systems are ideal for adjustable speed applications that include a high demand braking cycle. These industrial grade units take surplus regenerative energy from the motor and return it to the AC power source, reducing total energy consumption and improving energy efficiency.

AC Regenerative Systems are an ideal solution for:
  • High duty cycle cranes
  • Large cranes with multiple resistor banks for each motion
  • Severe duty dusty, wet, or volatile environments

AC Regenerative Systems provide:

  • Energy efficiency
  • Cost savings - payback can be seen in the first year
  • Elimination of wiring for dynamic braking resistors
  • Elimination of dynamic braking resistors' maintenance

The IMPULSE•D+ is a high-performance Active Front End regeneration unit in a chassis drive layout.  The Active Front End technology allows the IMPULSE•D+ to minimize line harmonics below IEEE 519 requirements and regulate a consistent DC bus voltage. Combining the IMPULSE•D+ with IMPULSE•G+ and VG+ Series 4 variable frequency drives will provide you with the most energy efficient, durable, and feature-rich crane control system available.


 IMPULSE•D+ 230V Class 460V Class
Input Voltage +10% / -15%  200-240VAC 400-480VAC
Input Frequency 50/60Hz ± 3Hz
Motor Rated Current 15-400A 8-560A
Horsepower Rating
5-150HP  5-450HP
Ambient Operating Temperature
-10 to 50°C (14 to 122°F)
Power Factor >0.99 at full load
Overload Tolerance
150% for 60 seconds, 200% for 3 seconds


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