GE UR Series L90 Line Differential Relay Manuals

GE UR Series L90 Line Differential Relay Manuals

Manuals and User Guides for GE UR Series L90 Line Differential Relay. We have 1 GE UR Series L90 Line Differential Relay manual available for free PDF download: Instruction Manual

GE UR Series L90 Instruction Manual

GE UR Series L90 Instruction Manual (846 pages)

Line Current Differential System

Brand: GE | Category: Relays | Size: 16 MB

Table of Contents

Table of Contents
3
1 Getting Started

15
- Important Procedures
  15
  - Cautions and Warnings
    15
- Ur Overview
  17
  - Introduction to the Ur
    17
  - Hardware Architecture
    17
  - Software Architecture
    19
  - Important Concepts
    19
- Enervista Ur Setup Software
  20
  - Pc Requirements
    20
  - Installation
    20
  - Configuring the L90 for Software Access
    21
  - Using the Quick Connect Feature
    24
  - Connecting to the L90 Relay
    30
- Ur Hardware
  31
  - Mounting and Wiring
    31
  - Communications
    31
  - Faceplate Display
    31
- Using the Relay
  32
  - Faceplate Keypad
    32
  - Menu Navigation
    32
  - Menu Hierarchy
    32
  - Relay Activation
    32
  - Relay Passwords
    33
  - Flexlogic Customization
    33
  - Commissioning
    34
2 Product Description

35
- Introduction
  35
  - Overview
    35
  - Features
    37
  - Ordering
    38
  - Replacement Modules
    46
- Pilot Channel Relaying
  49
  - Inter-Relay Communications
    49
  - Channel Monitor
    50
  - Loopback Test
    51
  - Direct Transfer Tripping
    51
- Functionality
  52
- Specifications
  54
  - Protection Elements
    54
  - User-Programmable Elements
    59
  - Monitoring
    60
  - Metering
    61
  - Inputs
    62
  - Power Supply
    63
  - Outputs
    63
  - Communications
    64
  - Inter-Relay Communications
    65
  - Environmental
    65
  - Type Tests
    66
  - Production Tests
    66
  - Approvals
    67
  - Maintenance
    67
3 Hardware

69
- Description
  69
  - Panel Cutout
    69
  - Module Withdrawal and Insertion
    74
  - Rear Terminal Layout
    76
- Wiring
  77
  - Typical Wiring
    77
  - Dielectric Strength
    78
  - Control Power
    78
  - Ct/Vt Modules
    79
  - Process Bus Modules
    81
  - Contact Inputs and Outputs
    81
  - Transducer Inputs and Outputs
    89
  - Rs232 Faceplate Port
    90
  - Cpu Communication Ports
    90
  - Irig-B
    93
- Pilot Channel Communications
  94
  - Description
    94
  - Fiber: Led and Eled Transmitters
    95
  - Fiber-Laser Transmitters
    95
  - Interface
    96
  - Rs422 Interface
    99
  - Two-Channel Two-Clock Rs422 Interface
    101
  - Rs422 and Fiber Interface
    101
  - And Fiber Interface
    102
  - Ieee C37.94 Interface
    102
  - C37.94Sm Interface
    106
4 Human Interfaces

109
- Enervista Ur Setup Software Interface
  109
  - Introduction
    109
  - Creating a Site List
    109
  - Enervista Ur Setup Overview
    109
  - Enervista Ur Setup Main Window
    111
- Extended Enervista Ur Setup Features
  112
  - Settings Templates
    112
  - Securing and Locking Flexlogic Equations
    116
  - Settings File Traceability
    118
- Faceplate Interface
  121
  - Faceplate
    121
  - Led Indicators
    122
  - Custom Labeling of Leds
    125
  - Display
    131
  - Keypad
    131
  - Breaker Control
    131
  - Menus
    132
  - Changing Settings
    134
5 Settings

135
- Overview
  139
  - Settings Main Menu
    139
  - Fault Reports
    139
  - Introduction to Elements
    142
  - Introduction to Ac Sources
    143
- Product Setup
  146
  - Security
    146
  - Cybersentry Security
    150
  - Display Properties
    156
  - Clear Relay Records
    157
  - Communications
    159
  - Modbus User Map
    188
  - Real Time Clock
    188
  - Oscillography
    196
  - Data Logger
    199
  - Demand
    200
  - User-Programmable Leds
    204
  - User-Programmable Self-Tests
    205
  - Control Pushbuttons
    205
  - User-Programmable Pushbuttons
    207
  - Flex State Parameters
    212
  - User-Definable Displays
    213
  - Installation
    215
  - Remote Resources Configuration
    216
- System Setup
  217
  - Ac Inputs
    217
  - Power System
    218
  - Signal Sources
    219
  - Power System
    222
  - Breakers
    228
  - Disconnect Switches
    232
  - Flexcurves
    235
  - Phasor Measurement Unit
    242
- Flexlogic
  265
  - Introduction to Flexlogic
    265
  - Flexlogic Rules
    278
  - Flexlogic Evaluation
    278
  - Flexlogic Example
    279
  - Flexlogic Equation Editor
    283
  - Flexlogic Timers
    283
  - Flexelements
    284
  - Non-Volatile Latches
    288
- Grouped Elements
  289
  - Overview
    289
  - Setting Group
    289
  - Line Differential Element
    290
  - Line Pickup
    296
  - Distance
    298
  - Power Swing Detect
    316
  - Load Encroachment
    325
  - Phase Current
    327
  - Neutral Current
    337
  - Wattmetric Ground Fault
    345
  - Ground Current
    348
  - Negative Sequence Current
    354
  - Breaker Failure
    360
  - Voltage Elements
    369
  - Sensitive Directional Power
    375
  - Supervising Elements
    379
- Control Elements
  383
  - Overview
    383
  - Trip Bus
    383
  - Setting Groups
    385
  - Selector Switch
    387
  - Trip Output
    393
  - Underfrequency
    399
  - Overfrequency
    400
  - Frequency Rate of Change
    401
  - Synchrocheck
    403
  - Digital Elements
    407
  - Digital Counters
    410
  - Monitoring Elements
    412
  - Pilot Schemes
    435
  - Autoreclose
    459
- Inputs/Outputs
  473
  - Contact Inputs
    473
  - Virtual Inputs
    474
  - Contact Outputs
    475
  - Virtual Outputs
    477
  - Remote Devices
    478
  - Remote Inputs
    479
  - Remote Double-Point Status Inputs
    480
  - Remote Outputs
    481
  - Direct Inputs/Outputs
    482
  - Resetting
    484
  - Iec 61850 Goose Analogs
    484
  - Iec 61850 Goose Integers
    485
- Transducer Inputs and Outputs
  486
  - Dcma Inputs
    486
  - Rtd Inputs
    487
  - Dcma Outputs
    489
- Testing
  492
  - Test Mode
    492
  - Force Contact Inputs
    493
  - Force Contact Outputs
    494
  - Channel Tests
    495
  - Phasor Measurement Unit Test Values
    495
6 Actual Values

497
- Overview
  497
  - Actual Values Main Menu
    497
- Status
  497
  - Contact Inputs
    497
  - Virtual Inputs
    497
  - Remote Inputs
    497
  - Remote Double-Point Status Inputs
    501
  - Direct Inputs
    501
  - Contact Outputs
    501
  - Virtual Outputs
    502
  - Autoreclose
    502
  - Remote Devices
    502
  - Channel Tests
    503
  - Digital Counters
    504
  - Selector Switches
    504
  - Flex States
    505
  - Ethernet
    505
  - Real Time Clock Synchronizing
    505
  - Iec 61850 Goose Integers
    506
  - Remaining Connection Status
    506
  - Parallel Redundancy Protocol (Prp)
    507
  - Metering Conventions
    508
  - Differential Current
    511
  - Sources
    512
  - Sensitive Directional Power
    517
  - Synchrocheck
    517
  - Tracking Frequency
    517
  - Frequency Rate of Change
    517
  - Flexelements
    518
  - Iec 61580 Goose Analog Values
    518
  - Wattmetric Ground Fault
    519
  - Phasor Measurement Unit
    519
  - Restricted Ground Fault
    520
  - Transducer Inputs and Outputs
    520
- Records
  521
  - Fault Reports
    521
  - Event Records
    521
  - Oscillography
    522
  - Data Logger
    522
  - Phasor Measurement Unit Records
    522
  - Breaker Maintenance
    523
- Product Information
  524
  - Model Information
    524
  - Firmware Revisions
    524
7 Commands and

525
- Commands
  525
  - Commands Menu
    525
  - Virtual Inputs
    525
  - Clear Records
    526
  - Set Date and Time
    526
  - Relay Maintenance
    527
  - Phasor Measurement Unit One-Shot
    527
  - Security
    529
  - Targets Menu
    530
  - Target Messages
    530
  - Relay Self-Tests
    530
8 Security

537
- User Accounts
  537
  - Overview
    537
  - Enabling the Security Management System
    537
  - Adding a New User
    537
  - Modifying User Privileges
    538
  - Password Requirements
    539
- Cybersentry
  540
  - Overview
    540
  - Security Menu
    541
9 Theory of Operation

547
- Overview
  547
  - L90 Design
    547
  - L90 Architecture
    547
  - Removal of Decaying Offset
    548
  - Phaselet Computation
    548
  - Disturbance Detection
    549
  - Fault Detection
    549
  - Ground Differential Element
    550
  - Clock Synchronization
    551
  - Frequency Tracking and Phase Locking
    552
  - Frequency Detection
    553
  - Phase Detection
    553
  - Phase Locking Filter
    556
  - Matching Phaselets
    557
  - Start-Up
    557
  - Hardware and Communication Requirements
    557
  - Online Estimate of Measurement Errors
    558
  - Ct Saturation Detection
    559
  - Charging Current Compensation
    559
  - Differential Element Characteristics
    560
  - Relay Synchronization
    561
- Operating Condition Characteristics
  562
  - Description
    562
  - Trip Decision Example
    564
  - Trip Decision Test
    564
- Distance Elements
  566
  - Introduction
    566
  - Phasor Estimation
    566
  - Distance Characteristics
    567
  - Memory Polarization
    571
  - Distance Elements Analysis
    572
- Phase Distance Applied to Power Transformers
  576
  - Description
    576
  - Example
    578
- Single-Pole Tripping
  580
  - Overview
    580
  - Phase Selection
    583
  - Communications Channels for Pilot-Aided Schemes
    584
  - Permissive Echo Signaling
    592
  - Pilot Scheme / Phase Selector Coordination
    593
  - Cross-Country Fault Example
    594
  - Overview
    595
  - Single-Ended Fault Locator
    601
10 Application of Settings

605
- Ct Requirements
  605
  - Introduction
    605
  - Calculation Example 1
    605
  - Calculation Example 2
    606
- Current Differential (87L) Settings
  607
  - Introduction
    607
  - Current Differential Pickup
    607
  - Current Diff Restraint 1
    607
  - Current Diff Restraint 2
    607
  - Current Diff Break Point
    607
  - Ct Tap
    608
  - Breaker-And-A-Half
    610
  - Distributed Bus Protection
    613
- Channel Asymmetry Compensation Using Gps
  614
  - Description
    614
  - Compensation Method 1
    614
  - Compensation Method 2
    615
  - Compensation Method 3
    615
- Distance Backup/Supervision
  617
  - Description
    617
  - Phase Distance
    618
  - Ground Distance
    619
- Protection Signaling Schemes
  621
- Series Compensated Lines
  626
  - Distance Settings on Series Compensated Lines
    626
  - Ground Directional Overcurrent
    627
  - Description
    628
  - Lv-Side Faults
    629
  - External Ground Faults
    629
- Instantaneous Elements
  630
  - Instantaneous Element Error During L90 Synchronization
    630
- Phase Distance through Power Transformers
  631
  - Phase Distance Protection
    631
  - Example
    632
11 Commissioning

633
- Testing
  633
  - Channel Testing
    633
  - Clock Synchronization Tests
    634
  - Current Differential
    635
  - Local-Remote Relay Tests
    636
Parameter Lists

637
- Flexanalog Items
  637
- A.1.1 Flexanalog Items
  637
- Flexinteger Items
  651
- A.1.2 Flexinteger Items
  651
Modbus Rtu Protocol

653
- Introduction
  653
- Physical Layer
  653
- Data Link Layer
  653
- B.1.1 Introduction
  653
- Algorithm
  654
- B.1.4 Crc-16 Algorithm
  654
Modbus Function Codes

655
File Transfers

658
- Obtaining Relay Files Via Modbus
  658
- Modbus Password Operation
  659
Memory Mapping

661
- Modbus Memory Map
  661
- Data Formats
  732
- B.4.2 Data Formats
  732
Iec 61850

773
Overview

773
- Introduction
  773
- Communication Profiles
  773
- C.1.1 Introduction
  773
Server Data Organization

774
- Overview
  774
- Ggio1: Digital Status Values
  774
- Ggio2: Digital Control Values
  774
- Ggio3: Digital Status and Analog Values from Received Goose Data
  774
- Ggio4: Generic Analog Measured Values
  774
- C.2.1 Overview
  774
- Mmxu: Analog Measured Values
  775
- Protection and Other Logical Nodes
  775
Server Features and Configuration

777
- Buffered/Unbuffered Reporting
  777
- File Transfer
  777
- Timestamps and Scanning
  777
- Logical Device Name
  777
- Location
  777
- Logical Node Name Prefixes
  778
- Connection Timing
  778
- Non-Iec 61850 Data
  778
- Communication Software Utilities
  778
- Overview
  779
- Gsse Configuration
  779
- Fixed Goose
  779
- Configurable Goose
  779
- C.4.1 Overview
  779
- Ethernet Mac Address for Gsse/Goose
  782
- Gsse ID and Goose ID Settings
  782
Iec 61850 Implementation Via Enervista Ur Setup

783
- Overview
  783
- C.5.1 Overview
  783
- Configuring Iec 61850 Settings
  784
- About ICD Files
  785
- Creating an ICD File with Enervista Ur Setup
  789
- About Scd Files
  789
- Importing an Scd File with Enervista Ur Setup
  792
Acsi Conformance

794
Logical Nodes

798
- Logical Nodes Table
  798
Iec 60870-5-104

803
- Interoperability Document
  803
- D.1.1 Interoperability Document
  803
- Point List
  811
- D.1.2 Point List
  811
Device Profile Document

813
- Dnp V3.00 Device Profile
  813
- E.1.2 Implementation Table
  816
Dnp Point Lists

820
- Binary Input Points
  820
- Binary and Control Relay Output
  821
- Counters
  822
- E.2.3 Counters
  822
- Analog Inputs
  823
- E.2.4 Analog Inputs
  823
Change Notes

825
- Revision History
  825
- F.1.1 Revision History
  825
- Changes to the L90 Manual
  826
Abbreviations

829
- Standard Abbreviations
  829
  - F.2.1 Standard Abbreviations
    829
  - F.3.1 Ge Multilin Warranty
    833
Warranty

834

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