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.

Further information: Brochure "Efficient Infeed Technology" (Edition: April 2008)

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