ABB RER620, Руководство по эксплуатации продукта

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5
Functionality
Protection
Underfrequency, overfrequency, frequency rate of change, source 1, stage 1 •
Underfrequency, overfrequency, frequency rate of change, source 1, stage 2
•
Load shed & restoration, source 1, stage 1 •
2)
Load shed & restoration, source 1, stage 2 •
3)
Circuit breaker failure protection •
Circuit breaker close failure protection
•
Directional positive sequence power protection •
4)
Directional negative/zero sequence power protection •
High Impedance Fault Detector • 7)
Cold load inrush detection, timer 1 Phase A (in seconds) •
Cold load inrush detection timer 2 Phase A (in minutes)
Cold load inrush detection timer 2 Phase C (in minutes)
•
Control
Circuit Breaker 1 (3 state inputs / 3 control outputs) •
Auto-reclosing, single phase and/or three phase •
Synchronism and energizing check •
Loop control •
Condition monitoring
Circuit-breaker condition monitoring •
Fuse failure supervision, source 1 •
Measurement
Digital fault (waveform) recorder
•
Three-phase current measurement •
Sequence current measurement •
Three-phase voltage measurement, source 1 •
Three-phase voltage measurement, source 2 •
Sequence voltage measurement, source 1 •
Sequence voltage measurement, source 2 •
Ground current •
Single and three phase power, power factor and three phase energy, source 1 •
Frequency measurement, source 1 •
Demand metering, Max/Min metering •
Sequence of events recorder (SER) •
Fault Recorder •
Fault Locator (FLOC) •
Other functions
Uninterruptable Power Supply (UPS) including: battery charger, heater control, auxiliary power for external
modems, voltage boost
•
5)
Universal Power Driver (UPD) for ABB GridShield series of reclosers and others •
Programmable buttons (16 buttons) •
Move function block (8 outputs) •
Pulse timer (8 timers) •
Generic control points (16 outputs) •
Set reset flip flops (8 outputs) •
Time delay off timers (8 timers) •
Time delay on timers (8 timers) •
Move function block (8 outputs) •
Pulse timer (8 timers) •
Generic control points (16 outputs) •
Set reset flip flops (8 outputs) •
Table 1. Supported functions RER620 (continued)