Siemens SINAMICS S120 - Comparison of the Properties of the Different SINAMICS Infeeds

Fundamental Principles and System Description
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
110/528
1.6.4 Comparison of the properties of the different SINAMICS Infeeds
The table below shows an overview of all the key properties of the different SINAMICS Infeeds.
SINAMICS Infeed Basic Infeed Smart Infeed Active Infeed
Mode of operation
Rectifier mode
(2Q)
Rectifier / regenerative mode
(4Q)
Rectifier / regenerative mode
(4Q)
Stable operation in
regenerative mode
also during line
supply failures
Not relevant Yes Yes
Power semiconductors Thyristors / Diodes IGBT modules IGBT modules
Line-side reactor 2 % 4 % Clean Power Filter in AIM
Power factor cosφ
1
(fundamental wave)
at rated output
> 0.96 > 0.96
Parameterizable
(factory setting = 1)
Total Harmonic Distortion
factor of the line current
THD(I) at rated output
Typically 3 %
- 6-pulse
- 6-pulse + LHF
1
- 6-pulse + LHF compact
2
- 12-pulse
Typically 30 % - 45 %
Typically 5 % - 7.5 %
Typically 5 % - 7.5 %
Typically 8 % - 10 %
Typically 30 % - 45 %
-
-
Typically 8 % - 10 %
-
-
-
-
EMC filter
category C3
Yes Yes Yes
DC link voltage
at rated output
1.32 • V
Line
(non-stabilized)
1.30 • V
Line
(non-stabilized)
> 1.42 • V
Line
(stabilized and parameterizable)
Voltage at motor winding Low Low
Higher than with Basic Infeed
and Smart Infeed
Precharging
- By means of the firing
angle with thyristors
- By means of resistors
with diodes
By means of resistors By means of resistors
Prechargeable
DC link capacitance
- High with thyristors
- Low with diodes
Low Low
Typical Efficiency
at rated output
> 99.0 % > 98.5 % > 97.5 %
Volume Low Medium High
Price Low Medium High
Comparison of the properties of different SINAMICS Infeeds
1
available only for SINAMICS G130 and SINAMICS G150, see section "Line Harmonics Filter (LHF and LHF compact)"
2
available only for SINAMICS G150 as option L01, see section "Line Harmonics Filter (LHF and LHF compact)"