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SINAMICS SM120 Cabinet Modules

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SINAMICS SM120 Cabinet Modules

Superior Performance for Industrial Power Regeneration

General description

The SINAMICS SM120 CM (Cabinet Modules) with its multi‑level Active Line Module is uniquely suitable for industrial power regeneration applications and ensures a superior performance while feeding energy into the grid. The SINAMICS SM120 CM is the best choice to fulfill the application specific requirements which range from the need to meet electric utility’s strict standards, to react fast in the event of line failures or to create an independent island network, since it provides line‑friendly and grid‑compliant behavior and enables island network and transformer‑less operations.

Features

Superior line performance

Due to its integrated Siemens patented M2C topology the drive provides a sinusoidal voltage wave‑form to the grid. The harmonics remain significantly below all world‑wide commonly applied utility requirements.
The SINAMICS SM120 CM complies with even the most demanding grid‑code requirements, which allows smooth and effective integration into any grid while conventional regenerating drives cause harmonic currents and thus usually call for additional line filters. This is particularly important for weak and island networks to ensure robust operation.

Transformer‑less System Design

Especially for ship applications (e.g. shaft generators) the SINAMICS SM120 CM provides additional key benefits.
Depending on the grid and the drive input voltage, the multi‑level Active Line Module can also operate directly connected to the power supply with a line reactor only. Such a transformer‑less system design saves space and weight, reduces cabling and requires no transformer monitoring. Moreover the system efficiency increases significantly.

Single Line diagram of the SINAMICS SM120 CM with a transformer‑less system design

SINAMICS SM120 Cabinet Modules