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CHARACTERISTICS
69
NV10B - Manual - 04 - 2022
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Virtual I/O
Preface
By ThyVisor and ThyVisor software tools the type of operation and links between outputs (Virtual
Output - VOUT1 ... 16) and virtual inputs (Virtual Inputs - VIN1 ... VIN32) may be defined using RPC or
IEC 61850 communication protocols over Ethernet network.
The system allows:
[1]
• Availability of sixteen inputs and thirty-two outputs independently programmable by the user
• Simplify wiring using one channel as the Ethernet
• Eliminate the need to install communication devices and / or external conversion
• Significantly reduce costs
• Dynamically change from sw connections and associated functions.
Applications
With Pro-N and Pro-XX relay the virtual I / O can be usefully employed for:
• Transmit information between protections installed in significant distance where the traditional
connections are critical in terms of reliability.
• Making OR logic for opening control of multiple DDI (simultaneous control of all DDI operated by
each SPI) in cases of multiple interface protections (Smart Grids)
• Achieve accelerated logic discrimination in which some protection elements can be blocked by the
activation of the downstream protection start; this allows to reduce the clearing time that, in time
logic systems require trip time significantly long in correspondence of the power source.
• Circuit breaker commands
• Selection of setting profiles
• Remote trip
• Include I / O in the programmable logic (PLC)
• etc. ..
Note 1 For a detailed description please refer to the application notes
- Funzioni di protezione e controllo
27
Minima tensione
27V1
Minima tensione di sequenza diretta
59
Massima tensione
59V2
Massima tensione di sequenza inversa
59N
Massima tensione residua
59Uavg
Massima tensione mediata
81O
Massima frequenza
81U
Minima frequenza
81R
Derivata di frequenza
BF
Mancata apertura interruttore
74TCS
Monitoraggio del circuito
di apertura dell’interruttore
ARF
Richiusura automatica per fotovoltaico
(opzionale)
PROTECTION RELAY
Pro-N & Pro-NX
IN32
OUT1
OUT2
OUT...
OUT16
IN...
IN3
IN2
IN1
PROTECTION RELAY
Pro-N & Pro-NX
IN32
OUT1
OUT2
OUT...
OUT16
IN...
IN3
IN2
IN1
freely customizable connections