GE DGP Series Manuals

Manuals and User Guides for GE DGP Series. We have 1 GE DGP Series manual available for free PDF download: Instruction Manual

GE DGP Series Instruction Manual

GE DGP Series Instruction Manual (278 pages)

Digital Generator Protection Relay

Brand: GE | Category: Relays | Size: 3.57 MB

Table of Contents

Table of Contents
5
Product Description

13
Getting Started

13
- Unpacking the Relay
  13
- Order Codes & Selection Guide
  14
- Special Models
  15
  - DGP***AAA-0101 and DGP***AAA-0102
    15
  - Dgp***Aba-0005
    15
- Dec 1000 Contact Expansion Unit
  15
Introduction

16
- General
  16
- Application
  16
Protection Features

18
- Description
  18
- Stator Differential (87G)
  19
- Current Unbalance (46T)
  19
- Loss of Excitation (40)
  19
- Anti-Motoring (32)
  20
- Time Overcurrent with Voltage Restraint 51V
  20
- Stator Ground (64G/27Tn)
  20
- Ground Overcurrent (51Gn)
  21
- Overexcitation (24)
  21
- Overvoltage (59)
  22
- Undervoltage (27)
  22
- Over and Underfrequency (81)
  22
- Voltage Transformer Fuse Failure (Vtff)
  22
- Accidental Energization (Ae)
  23
Other Features

29
- Inputs
  29
- Output Relays
  29
- Start-Up Self-Tests
  30
- Run-Time Self-Tests
  30
- Adaptive Sampling Frequency
  31
- Trip Circuit Monitor
  31
- Sequence of Events
  31
- Time Synchronization
  32
- Fault Report & Oscillography Data
  33
- Local Man-Machine Interface
  33
- Local Printer
  33
- Remote Communications
  34
- Remote Control
  34
- Password Protection
  34
- Remote Communications - Modbus Protocol
  34
Elementary Diagrams

35
Calculation of

41
General

41
- Description
  41
Configuration Settings

50
- Description
  50
- Example Configuration Settings
  52
Protection Function Settings

53
- Trip and Alarm Output Relays
  53
- Stator Differential 87G
  53
- Current Unbalance Alarm 46A
  58
- Current Unbalance Trip 46T
  58
- Loss of Excitation 40, 40-1, 40-2
  60
- Anti-Motoring (Reverse Power)
  61
- Overcurrent with Voltage Restraint (51V)
  62
- Stator Ground Fault 64G-1
  68
- Stator Ground Fault 64G-2
  68
- Stator Ground Fault 27Tn
  68
- Overexcitation Alarm (Volts/Hertz: 24A)
  69
- Overexcitation Trip (Volts/Hertz: 24T)
  69
- Overvoltage 59
  74
- Undervoltage Cutoff of 81
  76
- Underfrequency 81-U
  76
- Overfrequency 81-O
  76
- Digital Input DI
  76
- Voltage Transformer Fuse Failure Vtff
  89
- Accidental Energization Ae
  89
- Ground Overcurrent 51Gn
  90
2.4 Commissioning

91
- Dgp Aca Settings Table
  91
3.1 Case Assembly

97
- Warning
  97
- Construction
  97
- Electrical Connections & Internal Wiring
  97
- Identification
  97
Circuit Board Modules

100
- Warning
  100
- Basic Construction
  100
- Identification
  100
Xtm Test Plugs

102
- Description
  102
- Terminal Designation
  102
- Xtm Test-Circuit Connections
  102
- Test Plug Insertion
  102
Installation

103
- Receiving, Handling, & Storage
  103
- Environment
  103
- Mounting
  103
- External Connections
  103
- External Connections Test
  103
- Surge Ground Connections
  103
Acceptance Tests

105
Introduction

105
- Warning
  105
- General
  105
  - General Tests
    105
  - Protection Tests
    105
- Test Equipment
  106
- Drawings & References
  106
  - Drawings
    106
  - References
    106
- Equipment Grounding
  106
- Required Settings
  106
4.2 Test Preparation

106
General Instructions

107
- Procedure
  107
- Setting Changes
  107
- Entering the Test Mode
  108
- Exiting the Test Mode
  108
Using Ge-Link

109
- Description
  109
- Hardware Setup
  109
- Software Setup
  109
  - Load & Start Ge-Link
    109
  - Set up a New Test Unit
    109
- Relay Setup
  110
- Logging into the Relay
  110
- Setting Changes
  111
- Entering the Test Mode
  111
- Exiting the Test Mode
  111
Initial Test Setup

112
- Description
  112
General Relay Tests 4.6.1 Note

113
- T1: MMI Status and Display Testing
  113
  - Status Check
    113
  - Warning Status
    113
  - Display Test
    114
- T2: Digital Output Tests
  115
- T3: Digital Input Tests
  117
- T4: Ac System Input Test
  119
Protection Tests

121
- Description
  121
- T5: Generator Differential Test 87G
  122
- T6: Current Unbalance Alarm 46A
  150
- T7: Current Unbalance Trip 46T
  151

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