Schweitzer engineering laboratories SEL-351A Manuals

Table of Contents

3

List of Tables

7

List of Figures

11

Preface

17

Section 1: Introduction and Specifications

17

Section 2: Installation

35

Overview
35
Relay Mounting
36
Figure 2.1 SEL-351A Dimensions for Rack-Mount and Panel-Mount Models
37
Front-Panel and Rear-Panel Connection Diagrams
38
Figure 2.2 SEL-351A Rear-Panel Diagram-Conventional Terminal Blocks, Horizontal Example
39
Figure 2.3 SEL-351A Front-Panel Drawings (Rack Mount Relays)
40
Figure 2.4 SEL-351A Front-Panel Drawings (Panel-Mount Relays)
41
Figure 2.5 SEL-351A Front-Panel Drawing (Vertical Panel-Mount Relay, Model 0351A0X41) and Rear-Panel Drawing (Vertical Relay, Conventional Terminal Blocks, Model 0351A0041)
42
Figure 2.6 SEL-351A Rear-Panel Drawings-Connectorized Models 0351A0WH, 0351A0W3, or 0351A0W5 (Horizontal) and 0351A0W4 (Vertical)
43
Making Rear-Panel Connections
44
Figure 2.7 SEL-351A Plug-In Connector Coding (Top View; Model 0351A0W)
45
Figure 2.8 Broken-Delta Secondary Connection to Voltage Input VS, Wye-Connected Pts
50
Figure 2.10 Broken-Delta Secondary Connection to Voltage Input VS, Open-Delta Connected Pts
51
Figure 2.9 Resultant Voltage V S
52
Figure 2.11 Resultant Voltage
52
Table 2.1 Communications Cables to Connect the SEL-351A to Other Devices
53
SEL-351A AC/DC Connection Diagrams for Various Applications
54
Figure 2.12 SEL-351A Provides Overcurrent Protection and Reclosing for a Utility Distribution Feeder (Includes Fast Bus Trip Scheme) (Wye-Connected Pts)
54
Figure 2.13 SEL-351A Provides Overcurrent Protection for a Distribution Bus (Includes Fast Bus Trip Scheme) (Wye-Connected Pts)
55
Figure 2.14 SEL-351A Provides Directional Overcurrent Protection and Reclosing for a Transmission Line (Wye-Connected Pts)
56
Figure 2.16 SEL-351A Provides Overcurrent Protection for a Delta-Wye Transformer Bank (Wye-Connected Pts)
58
Figure 2.17 SEL-351A Provides Overcurrent Protection for a Transformer Bank with a Tertiary Winding (Wye-Connected Pts)
59
Figure 2.18 SEL-351A Provides Overcurrent Protection for an Industrial Distribution Feeder (Core-Balance Current Transformer Connected to Channel IN)
60
Figure 2.19 SEL-351A Provides Dedicated Breaker Failure Protection
61
Figure 2.20 SEL-351A Provides Overcurrent Protection for a High-Impedance or Low-Impedance Grounded System (Wye-Connected Pts)
62
Figure 2.21 SEL-351A Provides Overcurrent Protection for a Petersen Coil Grounded System (Wye-Connected Pts)
63
Figure 2.22 SEL-351A Provides Overcurrent Protection for an Ungrounded System (Wye-Connected Pts)
64
Figure 2.23 SEL-351A Provides Overcurrent Protection for an Ungrounded System (Open-Delta Connected Pts, Broken-Delta 3V0 Connection)
65
Figure 2.24 SEL-351A Provides Overcurrent Protection and Reclosing for a Utility Distribution Feeder (Open-Delta Connected Pts and Line-To-Ground Synchronism-Check Connection)
66
Figure 2.25 SEL-351A Provides Underfrequency Load Shedding, Overcurrent Protection, and Reclosing for a Utility Distribution Feeder (Single Voltage Connection)
67
Circuit Board Connections
68
Figure 2.26 Jumper, Connector, and Major Component Locations on the SEL-351A Main Board
69
Table 2.2 Output Contact Jumpers and Corresponding Output Contacts
70
Table 2.3 "Extra Alarm" Output Contacts and Corresponding Controlling Jumpers
70
Table 2.4 Required Position of Jumper JMP23 for Desired Output Contact OUT107 Operation
70
Table 2.5 Password and Breaker Jumper Positions for Standard Relay Shipments
71
Table 2.6 Password and Breaker Jumper Operation
71
Table 2.7 EIA-232 Serial Port Voltage Jumper Positions for Standard Relay Shipments
71
Figure 3.1 Levels 1 through 4 Phase Instantaneous Overcurrent Elements
74
Figure 3.2 Levels 5 through 6 Phase Instantaneous Overcurrent Elements
74
Figure 3.3 Levels 1 through 4 Phase Instantaneous/Definite-Time Overcurrent Elements (with Directional Control Option) (Not in SEL-351A-1)
76

Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements Instantaneous/Definite-Time Overcurrent Elements

78

Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic Loss-Of-Potential Logic (Not in the SEL-351A-1)

128

Section 5: Trip and Target Logic Trip Logic

186

Section 6: Close and Reclose Logic

199

Section 7: Inputs, Outputs, Timers, and Othercontrol Logic

229

Section 8: Breaker Monitor and Metering

272

Table 7.9 Mnemonic Settings for Breaker Wear Monitor Values on the Rotating Default Display
273

Section 9: Setting the Relay

311

SEL-351A Settings Sheets

353

SEL-351A-1 Settings Sheets

385

Section 10: Serial Port Communications and Commands

411

SEL-351A Command Summary

451

Section 11: Front-Panel Interface (Only on Models with LCD)

455

Section 12: Standard Event Reports and SER

473

Section 13: Testing and Troubleshooting

505

Overview
505
Testing Philosophy
506
Testing Methods and Tools
509
Table 13.1 Test Features Provided by the Relay
509
Table 13.2 Resultant Scale Factors for Input Module
510
Figure 13.1 Low-Level Test Interface (J1 or J10) Connector
510
Relay Self-Tests
513
Table 13.3 Relay Self-Tests
513
Relay Troubleshooting
515
Relay Calibration
517
Factory Assistance
518
Table A.1 SEL-351A Firmware Revision History
519

Appendix A: Firmware and Manual Versions Firmware

520

Appendix B: Firmware Upgrade Instructions

535

Appendix C: SEL Distributed Port Switch Protocol

559

Appendix D: Configuration, Fast Meter, and Fast Operate Commands

563

Appendix E: Compressed ASCII Commands

577

Appendix F: Setting Negative-Sequence Overcurrent Elements

587

Appendix G: Setting SEL OGIC Control Equations

595

Appendix H: Distributed Network Protocol

609

Overview
609
Configuration
610
Table H.1 Settings to Configure a Port for DNP
610
Table H.2 Settings to Configure a Port for Extended Mode DNP
610
- EIA-232 Physical Layer Operation
  612
- Data-Link Operation
  613
- Data Access Method
  614
Table H.3 Data Access Methods
614
- Device Profile
  615
Table H.4 SEL-351A DNP3 Device Profile
615
- Object Table
  617
Table H.5 SEL-351A DNP Object Table
617
- Data Map
  622
Table H.6 SEL-351A DNP Data Map
622
Table H.7 Analog 105 Upper-Byte Definitions
625
Table H.8 Analog 105 Lower-Byte Definitions
625
Table H.9 Control Field
625
- Point Remapping
  628

DNP Settings Sheets

629

SET: Appendix I: Using the SEL-251 and SEL-267 Relay Settings in the SEL-351A Relay

631

Appendix Jsel-351A Fast SER Protocol

637

Appendix K: ACSELERATOR Quickset SEL-5030 Software

646

AC SEL ERATOR Quickset System Requirements
646
Installation
647
Starting AC SEL ERATOR Quickset
648

Appendix Lsel Synchrophasors

649

Schweitzer Engineering Laboratories SEL-351A Manuals

Schweitzer Engineering Laboratories SEL-351A Manual (666 pages)

Table of Contents

List of Tables

List of Figures

Preface

Section 1: Introduction and Specifications

Section 2: Installation

Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements Instantaneous/Definite-Time Overcurrent Elements

Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic Loss-Of-Potential Logic (Not in the SEL-351A-1)

Section 5: Trip and Target Logic Trip Logic

Section 6: Close and Reclose Logic

Section 7: Inputs, Outputs, Timers, and Othercontrol Logic

Section 8: Breaker Monitor and Metering

Section 9: Setting the Relay

SEL-351A Settings Sheets

SEL-351A-1 Settings Sheets

Section 10: Serial Port Communications and Commands

SEL-351A Command Summary

Section 11: Front-Panel Interface (Only on Models with LCD)

Section 12: Standard Event Reports and SER

Section 13: Testing and Troubleshooting

Appendix A: Firmware and Manual Versions Firmware

Appendix B: Firmware Upgrade Instructions

Appendix C: SEL Distributed Port Switch Protocol

Appendix D: Configuration, Fast Meter, and Fast Operate Commands

Appendix E: Compressed ASCII Commands

Appendix F: Setting Negative-Sequence Overcurrent Elements

Appendix G: Setting SEL OGIC Control Equations

Appendix H: Distributed Network Protocol

DNP Settings Sheets

SET: Appendix I: Using the SEL-251 and SEL-267 Relay Settings in the SEL-351A Relay

Appendix Jsel-351A Fast SER Protocol

Appendix K: ACSELERATOR Quickset SEL-5030 Software

Appendix Lsel Synchrophasors

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