GE N60 UR Series, Инструкция по эксплуатации, Страница: 32 / 500

2-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin
2.1 INTRODUCTION 2 PRODUCT DESCRIPTION
2
Figure 2–1: SINGLE LINE DIAGRAM
Table 2–1: ANSI DEVICE NUMBERS AND FUNCTIONS
DEVICE FUNCTION DEVICE FUNCTION
25 Synchrocheck 59P Phase overvoltage
27P Phase undervoltage 68 Power swing blocking
32 Sensitive directional power 81O Overfrequency
50DD Disturbance detector 81U Underfrequency
50P Phase instantaneous overcurrent
Table 2–2: OTHER DEVICE FUNCTIONS
FUNCTION FUNCTION FUNCTION
Breaker control FlexElements™ (16) Setting groups (6)
Contact inputs (up to 96) FlexLogic™ equations Synchrophasors
Contact outputs (up to 64) Generic comparator Teleprotection inputs and outputs
Control pushbuttons
Metering: current, demand, energy,
frequency, power, power
factor, voltage
Time synchronization over SNTP
Data logger Transducer inputs and outputs
Digital counters (8) IEC 61850 communications Trip output
Digital elements (16) IEC 61850 remote inputs and outputs
(GSSE/GOOSE) User-definable displays
Digitizer User-programmable LEDs
Direct analog inputs and outputs (32) Modbus communications User-programmable pushbuttons
Direct inputs and outputs (64) Modbus user map User-programmable self-tests
Disconnect switches Non-volatile latches Virtual inputs (64)
DNP 3.0 or IEC 60870-5-104 protocol Non-volatile selector switch Virtual outputs (96)
Eight-bit switch Open pole detect VT fuse failure
Event recorder Oscillography
847700A2.CDR
52
Same Functions as Breaker 1
For Breaker 1
50P 32
1 2
2
4
2 2
6 4
81U 81O 81R 59P 27P
25
METERING
2 3 4 5
CLOSE TRIP
FlexElement
TM
Transducer
Inputs
Digitizer
N60
Network Stability and Security Relay