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GCX51A
Instructions manual
GE GCX51A Instructions Manual
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Description
Application
Ratings
Operating Principles
MHO Unit
OHM Unit
Characteristics
MHO Unit
OHM Unit
Operating Time
OHM Unit Transfer Auxiliary
Burdens
Calculation of Settings
Construction
Acceptance Tests
Visual Inspection
Mechanical Inspection
Control Spring Adjustment
Electrical Checks
MHO Unit Checks
Ohmic Reach
Torque Check
Control - Spring Adjustment
OHM Unit Checks
Other Checks and Tests
Torque
Unit Transfer Relay ( OX )
Target / Seal - in Unit
Installation Procedure
Connections
Location
Mechanical Inspection
Mounting
Visual Inspection
Electrical Check
Testing the OHM Unit
Tests
Other Checks and Tests
Overall Tests
Contact Cleaning
Servicing
Control - Spring Adjustment
Mho Unit
Angle of Maximum Torque
Ohmic Reach Adjustment
Control Spring Adjustment
Ohm Unit
Reach and Angle - of - Maximum - Torque Adjustment
Renewal Parts
List of Figures
1 Type - GCX 51 a Relay
Removed from Case ( Front View )
Type - GCX
5 Characteristics of the OHM and MHO Units on an Impedance Diagram
6 Static and Dynamic Reach Data for the in the Short
1.0 Ohm MHO Unit Used
Static and Dynamic Reach Data
8 Internal Connections ( Front View ) of the 9 Schematic Diagram
Or GCX 51 B Relay
Phase Shifter
Relays
12 Connection for
Using Type XLA Test Plugs
Test Reactor
13 Reach of the MHO Unit
14 Four - Pole Induction
At Angle of the
When the Relay Voltage before the 16 Operating - When the Relay
When the
Ohm MHO Unit in the
Reach Relay
Short - Reach Relay
Time Curves for
Voltage before the Fault Is Zero Volts
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List of Figures
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Table of Contents
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Summary of Contents for GE GCX51A
Page 1
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Page 2: Table Of Contents
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Page 3: Description
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Page 4: Ratings
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Page 5
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Page 6: Operating Principles
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Page 7: Characteristics
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Page 8: Mho Unit
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Page 9: Operating Time
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Page 10: Ohm Unit Transfer Auxiliary
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Page 11: Burdens
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Page 12: Calculation Of Settings
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Page 13
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Page 14: Construction
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Page 15: Acceptance Tests
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Page 16: Mechanical Inspection
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Page 17: Ohmic Reach
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Page 18: Ohm Unit Checks
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Page 19: Target / Seal - In Unit
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Page 20: Electrical Check
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Page 21
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Page 22
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Page 23
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Page 24: Other Checks And Tests
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Page 25: Overall Tests
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Page 26: Contact Cleaning
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Page 27: Ohmic Reach Adjustment
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Page 28: Ohm Unit
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Page 29: Renewal Parts
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Page 30: List Of Figures
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Page 31
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Page 32: Type - Gcx 51 A Relay
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Page 33
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Page 34
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Page 35: Characteristics Of The Ohm And Mho Units On An Impedance Diagram
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Page 36: Static And Dynamic Reach Data
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Page 37: Internal Connections ( Front View ) Of The 9 Schematic Diagram
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Page 38: Phase Shifter
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Page 39: Connection For
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Page 40: Reach Of The Mho Unit
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Page 41: When The Relay Voltage Before The 16 Operating - When The Relay
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Page 42
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Page 43
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Page 44
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Page 45
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Page 46
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Page 47
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Page 51
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Page 52
å å å å *( 3RZHU 0DQDJHPHQW 215 Anderson Avenue Markham, Ontario Canada L6E 1B3 Tel: (905) 294-6222 Fax: (905) 201-2098 www.ge.com/indsys/pm Courtesy of NationalSwitchgear.com...
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Gcx51b
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