VAMP 135 - Page 29

VAMP Ltd
Over-, under-, residual voltage and
frequency relay
Operation and configuration
VAMP 135
VM135.EN008 VAMP 24h support phone : +358 (0)20 753 3264
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2 Selection of setting values:
Protection stage:
Protection stage:Protection stage:
Protection stage: Parameter:
Parameter:Parameter:
Parameter: Setting:
Setting:Setting:
Setting:
Overvoltage stage U> U> 120%
t> 0.20 s
ReleaseDly 0.06 s
Hysteresis 3.0%
Overvoltage stage U>> U>> 130%
t>> 0.10 s
Overvoltage stage U>>> U>>> 140%
t>>> 0.06 s
Undervoltage stage U< U< 120%
t< 0.20 s
ReleaseDly 0.06 s
Hysteresis 3.0%
NoCmp 10%
Undervoltage stage U<< U<< 70%
t<< 2.00 s
NoCmp 10%
Undervoltage stage U<<< U<<< 60%
t<<< 0.50 s
NoCmp 10%
Residual voltage stage Uo> Uo> 10%
t> 0.40 s
ReleaseDly 3%
Residual voltage stage Uo>> Uo>> 20%
t>> 0.10 s
Overfrequency stage f> f> 51 Hz
t> 0.20 s
Overfrequency stage f>> f>> 52.0 Hz
t>> 0.10 s
Underfrequency stage f< f< 48.0 Hz
t< 3.00 s
Ublock 40%
Underfrequency stage f<< f<< 47.0 Hz
t<< 0.10 s
Ublock 40%