ABB HCB-1 Instruction Leaflet page 24

Pilot-wire relay system
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41-971.3M
Figure 11: Typical Test Output vs. Input Relay Current in a
Two-Terminal Line with Zero Pilot-Wire Resistance.
Figure 11:
Figure 13: Typical Curve of Relay Output vs. Positive Se-
quence Input - Test Switch in Local Position.
24
Sub 1
538103
Figure 12: Typical Test Output vs. Relay Current in a Two-
Terminal Line with 2000 Ohm Pilot-Wire Resistance with or
without 10 mfd Capacitor.
Sub 1
538102
Figure 14: Outline and Drilling Plan of S#290B664G65
Balancing Resistor for Three-Terminal Line Application.
Type HCB-1 Pilot Wire Relay System
Sub 1
538101
Sub 1
880A797

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