Siemens SIPROTEC 7RW80 User Manual

Technical Data
4.5 Flexible Protective Functions
SIPROTEC, 7RW80, Manual
C53000-G1140-C233-1, Release date 10.2010
190
Times
Tolerances
Influencing Variables for Pickup Values
Pickup times:
Voltage (phase quantities)
for 2 times the setting value
for 10 times the setting value
approx. 30 ms
approx. 20 ms
Voltage (symmetrical components)
for 2 times the setting value
for 10 times the setting value
approx. 40 ms
approx. 30 ms
Frequency approx. 100 ms
Frequency change for 1.25 times the setting value approx. 220 ms
Voltage change dV/dt approx. 220 ms
Binary input approx. 20 ms
Dropout times:
Voltage (phase quantities) < 20 ms
Voltage (symmetrical components) < 30 ms
Frequency < 100 ms
Frequency change df/dt < 200 ms
Binary input < 10 ms
Pickup thresholds:
Voltage 3% of setting value or 0.2 V
Voltage (symmetrical components) 4% of setting value or 0.2 V
Voltage change dV/dt 2 V/s
Frequency 15 mHz
Frequency change df/dt 5 % of setting value or 0.05 Hz/s
Times 1% of setting value or 10 ms
Power supply direct voltage in range 0.8 ≤ V
Aux
/V
AuxNom
≤ 1.15 1 %
Temperature in the Range 23.00 °F (–5 °C) ≤ Θ
amb
≤ 131.00
°F (55 °C)
0.5 %/10 K
Frequency in range 25 Hz to 70 Hz
Frequency in the range of 0.95 ≤ f/f
Nom
≤ 1.05 (f
Nom
= 50 Hz
or 60 Hz)
1%
Frequency in Range 0.95 ≤ f/f
Nom
≤ 1.05 Increased Tolerances
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1%
1%

Siemens SIPROTEC 7RW80 Specifications

General

Brand	Siemens
Model	SIPROTEC 7RW80
Category	Relays
Language	English