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Intelligence-Embedded
Devices...
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Application
The relay type NP10 integrates several power,
voltage and frequency functions for
protection, control and monitoring on the
interconnection of the synchronous
motors/generators with the main power supply
network.
Protective
functions
27 Undervoltage
32 Directional active overpower
32Q Directional reactive overpower
37P Active underpower
55 Power factor
59 Overvoltage
59N Residual overvoltage
81O Overfrequency
81U Underfrequency
81R Rate of change
DPHI Vector jump
BF Breaker Failure |
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