GE NBVllA Series Instructions Manual page 12

Voltage unbalance relay
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COVER
(8024451)
Figure
1
(8031805)
Referred to in Text
Figure
2
(8031804)
Figure
3
(8031803)
Figure
4
(0459A0251)
Unbalanced Voltage is Suddenly Applied
Figure
5
(0459A0250)
Unbalanced Voltage is Suddenly Removed
(0459A0254)
Figure
6
Figure
7
(0418A0807-2)
(0418A0805)
Figure
8
Figure
9
(0459A0252-1)
Figure 10
(0459A0223-2)
Figure 11
(8025039)
Brush
Figure 12
(0459A0253 Sh.1-3)
Figure 13
(6209271-6)
Figure 14
(0178A5824-1)
Since the last edition,
13 have been changed.
GEI-50261
TYPE NBV11A Relay, Front View
Type NBV11A Relay - Top View Showing Location of Parts
Type NBVllA Relay Left Side View
Type NBV11A Relay Oblique Rear View
Operating Times of Type NBV11A Relay Contacts When
Operating Times of Type NBV11A Relay Contacts When
Potential Transformer Connections for Type NBV11A Relay
Test Connections for Checking R-C Circuit Adjustment
Internal Connections for Type NBV11A Relay (Front View)
System Voltages under Balanced and Unbalanced Conditions
Test Conditions for Setting Pickup of Type NBV11A Relay
Cross Section of Drawout Case Showing Position of Auxiliary
Typical External Connections for Type NBV11A Relay
Outline and Panel Drilling Dimensions Diagram
Outline and Mounting Dimensions for the Harmonic Filter
the pickup ratings have been re-defined and Figures 12 and
12

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