Table of Contents
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1.1 GETTING STARTED
1
Table 1–1: ORDER CODES
DGP
Base Unit
DGP
Current Rating
Power Supply
Test Blocks
Protocol
Functions and
Features
Revision
Table 1–2: DGP SELECTION GUIDE
FUNCTIONS & FEATURES
Stator Differential 87G
Current Unbalance 46
Loss of Excitation 40-1, 40-2
Anti-motoring 32
Overcurrent Voltage Restraint 51V
Stator Ground 64G1
Stator Ground 64G2
Stator Ground 27TN
Neutral Overcurrent 51GN
Overexcitation 24 (Volts/Hz)
Overvoltage 59
Undervoltage 27
Underfrequency 81-U
Overfrequency 81-O
Accidental Engergization Logic
Sequential Trip Logic
Voltage Transformer Fuse Failure VTFF
Oscillography Data Capture
RS232 Communications Ports
Printer Output
IRIG-B Input
DEC1000 compatible
?
64G1 is Fundamental Frequency Overvoltage, also known as 59GN
@
64G2 uses 3rd harmonic comparator algorithm for enhanced security
A
27TN is 3rd Harmonic Undervoltage supervised by an adjustable window of forward power.
1-
2
* * *
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|
|
|
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Base Unit
1
|
|
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1 Ampere Rated Current
5
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5 Ampere Rated Current
0
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One Power Supply, 48 V DC
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1
One Power Supply, 110 to 125 V DC
2
|
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One Power Supply, 220 to 250 V DC
3
|
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Two Power Supplies, 48 V DC
4
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Two Power Supplies, 110 to 125 V DC
A
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With Test Blocks
B
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Without Test Blocks
A
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GE Modem Protocol
B
|
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Modbus RTU Protcol (DGP***BCA only)
A
|
Functions and Features – see DGP selection guide below.
B
|
C |
A
DGP Revision A Firmware
?
@
A
DGP Digital Generator Protection System
1 PRODUCT DESCRIPTION
1.1.2 ORDER CODES & SELECTION GUIDE
A
B
C
2
1
2
-
-
-
-
4
2
4
4
2
2
2
2
2
-
-
-
GE Power Management
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