ABB RER620 Product Manual page 27

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Table 34. FRPFRQ technical data
Characteristic
f<
Operation accuracy
df/dt
f>/f<
Start time
df/dt
Reset time
Operate time accuracy
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Table 35. 81S technical data
Characteristic
f<
Operation accuracy
df/dt
f>
Start time
df/dt
Reset time
Operate time accuracy
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Table 36. 50BF technical data
Characteristic
Operation accuracy
Trip time accuracy
Value
±10 mHz
±100 mHz/s (in range |df/dt| < 5 Hz/s)
±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)
< 80 ms
< 120 ms
< 150 ms
±1.0% of the set value or ±30 ms
Value
±10 mHz
±100 mHz/s (in range |df/dt| < 5 Hz/s)
±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)
< 80 ms
< 120 ms
< 150 ms
±1.0% of the set value or ±30 ms
Value
Depending on the frequency of the voltage measured: f
±1.5% of the set value or ±0.002 x I
±1.0% of the set value or ±20 ms
±2Hz
n
n
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