Siemens Answers with a List of Drives Capable of Power Regeneration

Return Energy to the Grid

Power regeneration is the process of recovering kinetic energy created by a motor during stopping or braking and converting that energy to electricity, and feeding it back into the power grid.  This is especially effective in applications with frequent starts and stops, deceleration with high inertia load, and overhauling torque applications such as a downhill conveyor.  Aside from its obvious energy/cost savings and green footprint, power regenerative drives provide additional benefits as shown below for each product type.

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Standard Drives with Power Regeneration Capability

Some models of SINAMICS G120 are available with innovative Efficient Infeed Technology

  • The line side Efficient Infeed provides the ability to feed energy back into the supply system to brake the load without wasting energy in a braking resistor. This saves space, eliminates wiring, and reduces heat losses

  • Efficient Infeed technology uses an IGBT converter that provides reduced line harmonics, without needing a line reactor, for even more space savings and lower heat losses

Drive

Voltage

Power

SINAMICS G120

Versatile, modular closed loop vector drive that offers high levels of integrated safety, energy savings, and Ethernet connectivity

Component Drives - SINAMICS G120

1AC 200 - 240V

3AC 200 - 240V

3AC 380 - 480V

3AC 600 - 690V

0.75 - 5 Hp (0.55 - 3.75 kW)

0.75 - 10 HP (0.55 - 7.5 kW)

0.5 - 400 HP (0.37 - 250 kW)

10 – 125 HP (11 – 132 kW)

SINAMICS G120D

Distributed Solution - allows almost all inverter-related applications to be consequentially designed without electrical cabinets

3AC 380 - 480V

1 - 10 Hp (0.75 - 7.5 kW)

SINAMICS G120E

Enclosed, air-cooled, variable speed drives for a broad spectrum of industrial applications

3AC 380 - 480V

3AC 460 - 480V (optional)

1 - 200 Hp (0.75 - 132 kW) - dependent upon configuration - see G120E page for details