Siemens SINAMICS PCS - Page 21

Implementation
4.3 Model structure
SINAMICS PCS simulation model
Operating Instructions, 10/2020, A5E50173895A
19
No. Name Input/
output
Description Value range
10
V_L1
Input
Actual phase voltage, conductor 1
Not limited
11
V_L2
Input
Actual phase voltage, conductor 2
Not limited
12
V_L3
Input
Actual phase voltage, conductor 3
Not limited
13
P_EZE [kW]
Output
Indicates the rated active power of the power generating unit.
> 0 kW
14
Q_EZE [kVAr]
Output
Indicates the rated reactive power of the power generating unit.
> 0 kVAr
15
Status_On/Off
Indicates the status of the power generating unit.
• 0: Power generating unit is switched off
• 1: Power generating unit is switched on
0/1
16
Sta-
tus_Protection
Output
Indicates whether the grid monitoring detected a fault and shut
down.
• 0: no grid fault
• 1: grid fault detected
0/1
17 I_b_RMS+ Output Rms value of the reactive current in the positive phase sequence
system
Not limited, in A
18 I_w_RMS+ Output Rms value of the active current in the positive phase sequence
system
Not limited, in A
19
I_b_RMS-
Output
Rms value of the reactive current in the negative phase se-
quence system
Not limited, in A
20
I_w_RMS-
Output
Rms value of the active current in the negative phase sequence
system
Not limited, in A
21
I1
Output
Instantaneous value of the phase current conductor 1
Not limited, in A
22
I2
Output
Instantaneous value of the phase current conductor 2
Not limited, in A
23
I3
Output
Instantaneous value of the phase current conductor 3
Not limited, in A
The power generating unit model operates in the generator reference-arrow system.
Injecting active power into the grid results in a positive active current.
The following diagram shows as example the integration of 3 power generating units into a
complete simulation environment using Simscape.