NV10P

De NV10P is een programmeerbaar netontkoppelrelais dat kan worden gebruikt in LV, MV en HV
toepassingen met transformatoren of elektrische cogeneratie installaties.

Controlefuncties:
27 fase onderspanning
27V1 positieve sequentie onderspanning
59 fase overspanning
59V2 negatieve sequentie overspanning
59N verplaatsing neutrale spanning, U0 homopolaire spanningsdetectie
59Uavg gemiddelde overspanning
81O overfrequentie
81U onderfrequentie
81R frequentie verandering ROCOF
BF breaker fout
74TCS trip supervisie
DDI-OPEN VT positionering automatisatie
ARF automatische hersluiting

Applications
• Bus
• Generator
• Motor
• Utilities interconnection
Protection functions
• Pt100 thermometric probes (26)
• Undervoltage (27)
• Positive seq. undervoltage (27V1)
• Overvoltage (59)
• Residual overvoltage (59N)
• Average overvoltage (59Uavg)
• Negative seq. overvoltage (59V2)
• Frequency rate of change (81R)
• Underfrequency & overfrequency (81U 81O)
• Breaker failure (BF)
Monitoring and control functions
• Automatic recloser for photovoltaic plants
• CB diagnostic
• Digital Fault recording (DFR)
• Fault and event logging (SER & SFR)
• Multiple setting profiles
• Programmable Logic Controller
• Self-test
• Trip circuit supervision (74TCS)
Hardware
• 100 V standard voltage inputs
• 2 binary inputs + 6 output relays + 8 LEDs
• 400 V standard voltage inputs
• Auxiliary power supply 110-230 Vac/dc
• Auxiliary power supply 24-48 Vac/dc
• Flush, projecting, projecting, rack, with separate MMI
• Network module with Ethernet FX port (optical fiber)
• Network module with Ethernet TX port (copper RJ45) + RS485 port
• RS485 port (unavailable with Ethernet FX port)
• Voltmetric inputs from ThySensor or V-sensor
Communication
• IEC 61850 Protocol
• Modbus RTU RS232 protocol
• Modbus RTU RS485 / IEC 870-5-103 / DNP3 protocol
• Modbus TCP/IP protocol (network board must be provided)