Efficient Infeed Technology - SINAMICS G110D / SINAMICS G120 - Siemens  |   11/24/2009 7:58 PM  
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Efficient Infeed Technology by SINAMICS G120 and SIMATIC ET200 Converters

Siemens is setting a unique global new standard for converters in the compact class: The technology is unrivaled worldwide and supports regenerative feedback capability in smaller, lighter and much more cost-effective devices.

The Advantages of Efficient Infeed Technology over Standard Technology at a Glance

  Standard Technology Efficient Infeed Technology
Line reactor Required Not required
Braking resistor Required Not required
Configuration overhead Standard Low
Generated harmonics Standard Minimal
Heat generated when braking Yes No
Power infeed Standard Approx. 22% less
Power consumption Standard Approx. 22% less
Energy efficiency Standard Good
Reactive power compensation No Yes
Installation outlay Standard Low
Filmlet with the presentation model to SINAMICS G120 CU240E.
The video shows the Efficient Infeed Technology for Applications with a high braking efficiency.

The Benefits at a Glance

Continuous braking with 100% of the rated power
Energy savings thanks to regeneration with motor in generating mode
Omission of braking resistor, line reactor and brake chopper
No costly configuration of the braking resistors and no time-consuming cabling
Considerably lower space requirements than conventional compact converters
Up to 22% less power infeed
No additional heat generated during braking

The Following Frequency Converters are Equipped with Efficient Infeed Technology:

as option
SINAMICS G120 integrated in the PM250 power module
always with Efficient Infeed Technology
SINAMICS G120D
SIMATIC ET 200S FC
SIMATIC ET 200pro FC
Siemens AG 2009