Siemens SIPROTEC 5 - Page 350

Table 7-7 Using the Frequency Measurand
Measurand Refresh Rate Use in
FSR
14
SSR
15
CR
16
TR
17
Routing f:f 10 ms X X X
i
i
NOTE
The frequency is calculated based on the positive-sequence system components. The calculated frequency
is always 0 for a zero-sequence or negative-sequence system.
Voltage, Current and Power Measurands
The following measurands can be recorded to evaluate power-quality problems: voltage, current, and power.
You will find information about the average value, the refresh rate and the recommended routing of the
voltage, current, and power measurands in the following table.
Table 7-8 Using Voltage Measurands
Measurand Refresh Rate Use in
FSR SSR CR TR
Routing V:Vph rms Half periods X X X
Routing V:Vpp rms Half periods X X X
Routing V:VN rms Half periods X X X
Routing V:Vph fd. Half periods X X X
Routing V:Vpp fd. Half periods X X X
Routing V:VN fd. Half periods X X X
Routing V:V0 Half periods X X X
Routing V:V1 Half periods X X X
Routing V:V2 Half periods X X X
Table 7-9 Using Current Measurands
Measurand Refresh Rate Use in
FSR SSR CR TR
Routing I:Iph rms Half periods X X X
Routing I:IN rms Half periods X X X
Routing I:Iph fd. Half periods X X X
Routing I:IN fd. Half periods X X X
Routing I:I0 Half periods X X X
Routing I:I1 Half periods X X X
Routing I:I2 Half periods X X X
Table 7-10 Using Power Measurands
Measurand Refresh Rate Use in
FSR SSR CR TR
Routing Pwr:P tot Half periods X X X
Routing Pwr:Q tot Half periods X X X
14
FSR: Fast-Scan Recorder
15
SSR: Slow-Scan Recorder
16
CR: Continuous recorder
17
TR: Trend recorder
Fault Recorder
7.6 Measurands and Recorder Routing Functions
350 SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017