Power & Power Factor Measuring Accuracy - Siemens SIMPRO-100 Instruction Manual

7
Commissioning
Expected
Resistance
Temperature
Value (ohms)
Reading (°C)
71.81 -50
100.00 0
131.45 50
167.20 100
207.45 150
252.88 200
294.28 240
Table 7.10 100-Ohm Nickel RTD Type (RTDs 1 – 12)
Expected
Resistance
Temperature
Value (ohms)
Reading (°C)
7.10 -50
9.04 0
10.97 50
12.90 100
14.83 150
16.78 200
18.34 240
Table 7.11 10-Ohm Copper RTD Type (RTDs 1 – 12)
7.3.8 Power & Power Factor
Measuring Accuracy
7.3.8.1 Accuracy Test, Wye Voltages
1. Connect the current sources to the IA, IB, and
IC current inputs (5 A or 1 A, as indicated by
the ITAP setting). Connect the voltage
sources to the VA, VB, and VC inputs in wye
configuration (refer to Figure 7.3, page 103).
2. Using the front-panel Set Relay\Relay
Elements\General Data function or serial port
SHOW command, note the CTR, PTR, and
PHROT settings.
108
Expected
Temperature
1 2
Reading (°F)
-58
32
122
212
302
392
464
Expected
Temperature
1 2
Reading (°F)
-58
32
122
212
302
392
464
RTD Temperatures
3 4 5 6 7
RTD Temperatures
3 4 5 6 7
3. Referring to step Table 7.12, set the current
and voltage source magnitudes. The phase
angles you should apply depend on the
PHROT setting. Use the front-panel Meter
Values\Instantaneous Meter function to verify
the relay measurements.
SIMPRO-100
8 9 10 11 12
8 9 10 11 12
PRIM-2400C