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SEL-421-5
Sel SEL-421-5 Protection Control Manuals
Manuals and User Guides for Sel SEL-421-5 Protection Control. We have
2
Sel SEL-421-5 Protection Control manuals available for free PDF download: Instruction Manual, Application Manual
Sel SEL-421-5 Instruction Manual (370 pages)
Protection and Automation System
Brand:
Sel
| Category:
Relays
| Size: 9.79 MB
Table of Contents
Table of Contents
3
List of Tables
9
List of Figures
23
Preface
35
User's Guide
35
Figure 1.1 SEL-421 Functional Overview
46
Section 1: Introduction and Specifications Features
46
Models and Options
49
SEL-421 Versions and Supported Features
51
Applications
52
Figure 1.3 Single Circuit Breaker Configuration (ESS := 1)
53
Figure 1.4 Single Circuit Breaker Configuration with Line Breaker Cts (ESS := 2)
53
Figure 1.5 Double Circuit Breaker Configuration (ESS := 3)
53
Figure 1.6 Double Circuit Breaker Configuration with Bus Protection (ESS := 4)
54
Figure 1.7 Tapped Line (ESS := Y)
54
Table 1.1 Application Highlights
55
Specifications
57
Section 2: Installation
65
Shared Configuration Attributes
65
Figure 2.1 Horizontal Front-Panel Template (A); Vertical Front-Panel Template (B)
67
Figure 2.2 Rear 3U Template, Fixed Terminal Block Analog Inputs
68
Figure 2.3 Rear 3U Template, Connectorized Analog Inputs
68
Table 2.1 Recommended Control Input Pickup Settings
69
Table 2.2 Required Settings for Use with AC Control Signals
70
Figure 2.4 Standard Control Output Connection
71
Figure 2.5 Hybrid Control Output Connection
72
Figure 2.6 High-Speed, High-Current Interrupting Control Output Connection, INT5 (INT8)
72
Figure 2.7 High-Speed, High-Current Interrupting Control Output Connection, INT4
73
Figure 2.8 High-Speed, High-Current Interrupting Control Output Typical Terminals, INT5 (INT8)
73
Figure 2.9 Precharging Internal Capacitance of High-Speed, High-Current Interrupting Output Contacts, INT5 (INT8)
74
Plug-In Boards
75
Figure 2.10 INT1 I/O Interface Board
76
Figure 2.11 INT2 I/O Interface Board
76
Figure 2.12 INT3 I/O Interface Board
76
Figure 2.13 INT4 I/O Interface Board
76
Figure 2.14 INT5 I/O Interface Board
76
Figure 2.15 INT6 I/O Interface Board
76
Figure 2.16 INT7 I/O Interface Board
76
Figure 2.17 INT8 I/O Interface Board
77
Table 2.3 I/O Interface Boards Control Inputs
77
Table 2.4 I/O Interface Boards Control Outputs
77
Figure 2.18 Chassis Key Positions for I/O Interface Boards
79
Figure 2.19 Jumper Location on the Main Board
81
Jumpers
81
Table 2.5 Main Board Jumpers
82
Figure 2.20 Major Component Locations on the SEL-421 Main Board
83
Table 2.6 Main Board Jumpers-JMP2, JMP3, and JMP4
84
Figure 2.21 Major Component Locations on the SEL-421 INT1, INT2, INT4, INT5, INT6, INT7, and INT8 I/O Boards
86
Figure 2.22 Major Component Locations on the SEL-421 INT3 I/O Board
87
Table 2.7 I/O Board Jumpers
88
Table 2.10 Front-Panel LED Option
89
Table 2.8 Jumper Positions for Breaker OPEN/CLOSE Indication
89
Table 2.9 Jumper Positions for Arc Suppression
89
Relay Placement
90
Connection
91
Figure 2.23 SEL-421 Chassis Dimensions
91
Figure 2.24 3U Rear Panel, Main Board
92
Figure 2.25 3U Rear Panel, Main Board, Connectorized
92
Figure 2.26 4U Rear Panel, Main Board, Without Optional I/O
93
Figure 2.27 4U Rear Panel, Main Board, INT5 I/O Interface Board
93
Figure 2.28 4U Rear Panel, Main Board, INT8 I/O Interface Board
93
Figure 2.29 5U Rear Panel, Main Board, INT3 and INT1 I/O Interface Board
94
Figure 2.30 5U Rear Panel, Main Board, INT4 and INT1 I/O Interface Board
94
Figure 2.31 5U Rear Panel, Main Board, INT6 and INT4 I/O Interface Board
95
Figure 2.32 5U Rear Panel, Main Board, INT2 and INT7 I/O Interface Board
95
Figure 2.33 Rear-Panel Symbols
96
Figure 2.34 Screw-Terminal Connector Keying
97
Figure 2.35 Rear-Panel Receptacle Keying, SEL-421
98
Table 2.11 Fuse Requirements for the Power Supply
99
Figure 2.36 PS30 Power Supply Fuse Location
101
Figure 2.37 Control Output OUT108
104
Figure 2.38 SEL-421 to Computer-D-Subminiature 9-Pin Connector
107
Figure 2.39 Example Ethernet Panel with Fiber-Optic Ports
108
Figure 2.40 Two 100BASE-FX Port Configuration
108
Figure 2.41 Two 10/100BASE-T Port Configuration
108
AC/DC Connection Diagrams
109
Figure 2.42 100BASE-FX and 10/100BASE-T Port Configuration
109
Figure 2.43 Typical External AC/DC Connections-Single Circuit Breaker
110
Figure 2.44 Typical External AC/DC Connections-Dual Circuit Breaker
111
Figure 2.45 SEL-421 Example Wiring Diagram Using the Auxiliary TRIP/CLOSE Pushbuttons
112
Table 3.1 SEL Software Solutions
113
Section 3: PC Software Overview
114
AC SEL ERATOR Quickset Setup
115
AC SEL ERATOR Quickset Terminal
117
Figure 3.1 Terminal Prompt
117
AC SEL ERATOR Quickset HMI
118
Figure 3.3 Virtual Relay Front Panel
118
AC SEL ERATOR Quickset Settings
120
Figure 3.4 Control Window
120
Figure 3.5 Settings Editor Selection
121
Figure 3.6 Setting the Part Number
122
Figure 3.7 Settings Driver
123
Figure 3.8 Opening Settings
124
Figure 3.9 Reading Settings
124
Figure 3.10 Relay Editor
125
Figure 3.11 Settings Editor Window
126
Figure 3.12 Expression Builder
126
AC SEL ERATOR Quickset Event Analysis
128
Figure 3.13 Retrieving an Event History
129
Figure 3.14 Event Waveform Window
130
Figure 3.15 Sample Event Oscillogram
130
Figure 3.16 Retrieving Event Report Waveforms
130
Figure 3.17 Sample Phasors Event Waveform Screen
131
Figure 3.18 Sample Harmonic Analysis Event Waveform Screen
131
Figure 3.19 Sample Event Report Summary Screen
132
Figure 3.20 Sample Event Waveform Settings Screen
132
AC SEL ERATOR Quickset Settings Database Management
133
Figure 3.21 Database Manager
133
AC SEL ERATOR Quickset Help
134
Figure 3.22 Database Manager Copy/Move
134
Table 3.5 Help
134
Figure 4.1 SEL-421 Serial Number Label
136
Section 4: Basic Relay Operations Inspecting a New Relay
136
Connecting and Applying Power
137
Figure 4.2 Power Connection Area of the Rear Panel
137
Table 4.1 Power Supply Voltage Inputs
137
Establishing Communication
138
Figure 4.3 PORT F, LCD Display, and Navigation Pushbuttons
138
Table 4.2 General Serial Port Settings
139
Changing the Default Passwords
140
Figure 4.4 Report Header
140
Figure 4.5 Access Level Structure
140
Table 4.3 SEL-421 Access Levels
141
Table 4.4 Access-Level Commands and Passwords
141
Checking Relay Status
144
Figure 4.6 Relay Status
145
Figure 4.7 AC SEL ERATOR Quickset Communication Parameters and Password Entry
146
Figure 4.9 Checking Relay Status: Front-Panel LCD
147
Making Simple Settings Changes
148
Figure 4.10 Relay Settings Structure Overview
149
Table 4.5 Settings Classes and Instances
149
Figure 4.11 Components of SET Commands
151
Table 4.6 Actions at Settings Prompts
151
Figure 4.12 Initial Global Settings
152
Table 4.7 Actions at Text-Edit Mode Prompts
154
Figure 4.13 Using Text-Edit Mode Line Editing to Set Display Points
156
Figure 4.14 Leave a Note in the Relay
157
Figure 4.15 Read a Note in the Relay
157
Figure 4.16 Using Text-Edit Mode Line Editing to Delete a Display Point
158
Figure 4.17 Default Alias Settings
159
Figure 4.18 Using Text-Edit Mode Line Editing to Set Aliases
160
Figure 4.19 Using Text-Edit Mode Line Editing to Set Protection Logic
161
Figure 4.21 Uploading Global Settings to the SEL-421
164
Figure 4.22 DATE and TIME Settings: Front-Panel LCD
165
Figure 4.23 SETTINGS Menus
168
Examining Metering Quantities
169
Figure 4.24 Setting ESS: Terminal
169
Figure 4.25 Setting CTRW and PTRY: Terminal
170
Figure 4.26 Test Connections Using Three Voltage Sources/Three Current Sources
171
Figure 4.27 Test Connections Using Two Current Sources for Three-Phase Faults and METER Test
172
Figure 4.28 Terminal Screen MET Metering Quantities
173
Figure 4.29 Global Alternate Source Selection Settings in AC SEL ERATOR Quickset
174
Figure 4.30 Group 1 Terminal Configuration Settings: AC SEL ERATOR Quickset
175
Figure 5.16 MAIN MENU
176
Figure 4.33 Front-Panel Screens for METER
177
Reading Oscillograms, Event Reports, and SER
178
Figure 4.34 AC SEL ERATOR Quickset HMI Tree View
179
Figure 4.37 Relay Event History Dialog Box
181
Figure 4.38 Sample HIS Command Output: Terminal
182
Figure 4.39 EVENTS Folder Files
183
Figure 4.41 AC SEL ERATOR Quickset Event Waveform Window
185
Figure 4.42 Sample Event Oscillogram
185
Figure 4.45 Uploading Report Settings to the SEL-421
189
Figure 4.46 Retrieving SER Records with AC SEL ERATOR Quickset
190
Figure 4.47 SER Records in the AC SEL ERATOR Quickset HMI
190
Figure 4.48 Setting an SER Element: Terminal
191
Figure 4.49 Reports File Structure
192
Operating the Relay Inputs and Outputs
192
Figure 4.50 Terminal Display for PULSE Command
193
Figure 4.51 Front-Panel Menus for Pulsing OUT104
194
Figure 4.52 Password Entry Screen
195
Figure 4.54 Setting Control Output OUT105: Terminal
197
Figure 4.56 Assigning an Additional Close Output: AC SEL ERATOR Quickset
200
Figure 4.57 Uploading Output Settings to the SEL-421
201
Table 4.8 Control Inputs in the SEL-421
201
Figure 4.58 Setting 52AA1: Terminal
203
Figure 4.59 Accessing Control Inputs Settings in AC SEL ERATOR Quickset
204
Figure 4.62 Setting BK1TYP in AC SEL ERATOR Quickset
206
Configuring High-Accuracy Timekeeping
207
Figure 4.63 Uploading Global and Breaker Monitor Settings to the SEL-421
207
Table 4.9 SEL-421 Timekeeping Modes
208
Figure 4.64 TIME BNC Connector
209
Figure 4.65 Confirming the High-Accuracy Timekeeping Relay Word Bits
209
Figure 4.66 Results of the TIME Q Command
210
Table 4.10 Date/Time Last Update Sources
211
Figure 4.68 Setting OUT108 in AC SEL ERATOR Quickset
214
Readying the Relay for Field Application
214
Table 4.11 Communications Port Commands that Clear Relay Buffers
216
User's Guide
216
Figure 5.1 SEL-421 Front Panel (8-Pushbutton Model)
217
Front-Panel Layout
217
Section 5: Front-Panel Operations
217
Figure 5.2 SEL-421 Front Panel (12-Pushbutton Model)
218
Figure 5.3 LCD Display and Navigation Pushbuttons
219
Table 5.1 Front-Panel Inactivity Time-Out Setting
219
Figure 5.4 RELAY ELEMENTS Highlighted in MAIN MENU
220
Table 5.2 Metering Screens Enable Settings
220
Figure 5.5 Sample ROTATING DISPLAY
222
Figure 5.6 Sample Alarm Points Screen
223
Figure 5.7 Deasserted Alarm Point
224
Table 5.3 SER Point Settings
224
Figure 5.10 Alarm Points Data Loss Screen
225
Figure 5.8 Clear Alarm Point Confirmation Screen
225
Figure 5.9 no Alarm Points Screen
225
Figure 5.11 Sample Display Points Screen
226
Table 5.4 Display Point Settings-Boolean
226
Table 5.5 Display Point Settings-Analog
227
Table 5.6 Display Point Settings-Boolean and Analog Examples
227
Figure 5.12 Fast Meter Display Points Sample Screen
229
Front-Panel Menus and Screens
229
Figure 5.13 Contrast Adjustment
230
Figure 5.14 Enter Password Screen
230
Figure 5.15 Invalid Password Screen
231
Figure 5.21 Events Menu Screen
235
Figure 5.23 SER Events Screen
236
Figure 5.24 no SER Events Screen
236
Table 5.7 Front-Panel Pushbutton Functions While Viewing SER Events
236
Figure 5.26 RELAY ELEMENTS Screen
237
Figure 5.27 ELEMENT SEARCH Screen
238
Figure 5.28 LOCAL CONTROL Initial Menu
239
Figure 5.30 LOCAL CONTROL Example Menus
241
Figure 5.31 Local Bit Supervision Logic
242
Table 5.8 Local Bit Control Settings
242
Table 5.9 Local Bit SEL OGIC Control Equations
242
Figure 5.32 OUTPUT TESTING Screen
243
Table 5.10 Settings Available from the Front Panel
244
Figure 5.35 Changing the ACTIVE GROUP
246
Figure 5.36 DATE/TIME Screen
247
Figure 5.41 RESET ACCESS LEVEL Screen
249
Figure 5.42 One-Line Diagram Screen
250
Figure 5.43 Sample Status Warning, Alarm Point Assertion, and Trip EVENT SUMMARY
250
Front-Panel Automatic Messages
250
Figure 5.44 Sample Status Warning in the LCD Message Area
251
Operation and Target Leds
251
Figure 5.45 Factory-Default Front-Panel Target Areas (16 or 24 Leds)
252
Table 5.11 Front-Panel Target Leds
252
Table 5.12 TIME Target LED Trigger Elements-Factory Defaults
254
Figure 5.46 Operator Control Pushbuttons and Leds (8 or 12 Pushbuttons)
256
Front-Panel Operator Control Pushbuttons
256
Table 5.13 Operator Control Pushbuttons and Leds-Factory Defaults
256
Figure 5.47 Factory-Default Operator Control Pushbuttons
258
Table 6.1 Acceptance Testing
259
Testing Philosophy
259
Table 6.2 Commissioning Testing
260
Table 6.3 Maintenance Testing
261
Testing Features and Tools
262
Figure 6.1 Low-Level Test Interface
265
Table 6.4 UUT Database Entries for SEL-5401 Relay Test System Software-5 a Relay
265
Relay Test Connections
266
Table 6.5 UUT Database Entries for SEL-5401 Relay Test System Software-1 a Relay
266
Figure 6.2 Test Connections Using Three Voltage and Three Current Sources
267
Figure 6.3 Test Connections Using Two Current Sources for Phase-To-Phase, Phase-To-Ground, and Two-Phase-To-Ground Faults
268
Figure 6.4 Test Connections Using Two Current Sources for Three-Phase Faults
269
Figure 6.5 Test Connections Using a Single Current Source for a Phase-To-Ground Fault
270
Figure 6.6 Test Connections Using a Single Current Source for a Phase-To-Phase Fault
271
Test Methods
271
Figure 6.7 Sample Targets Display on a Serial Terminal
272
Table 6.6 Phase Instantaneous Overcurrent Pickup
272
Figure 6.8 Viewing Relay Word Bits from the Front-Panel LCD
273
Figure 6.10 Uploading Front-Panel Settings to the SEL-421
275
Figure 6.12 Uploading Output Settings to the SEL-421
278
Table 6.7 Selectable Operating Quantity Time-Overcurrent Element (51S1) Default Settings
279
Figure 6.15 Uploading Group 1 and Report Settings to SEL-421
281
Figure 6.16 HMI Tree View: AC SEL ERATOR Quickset
282
Figure 6.17 SER Report: AC SEL ERATOR Quickset HMI
282
Checking Relay Operation
283
Figure 6.18 Negative-Sequence Instantaneous Overcurrent Element Settings
285
Figure 6.19 Uploading Group 1 Settings to the SEL-421
286
Figure 6.20 ELEMENT SEARCH Screen
286
Figure 6.21 RELAY ELEMENTS Screen Containing Element 50Q1
286
Figure 6.23 Breaker 1 Breaker Monitor Settings: AC SEL ERATOR Quickset
290
Figure 6.24 Group 1 Line Configuration Settings: AC SEL ERATOR Quickset
291
Table 6.8 Negative-Sequence Directional Element Settings AUTO Calculations
292
Figure 6.26 Uploading Group 1 and Breaker Monitor Settings to the SEL-421
293
Figure 6.27 RELAY ELEMENTS LCD Screen Containing Elements F32Q and R32Q
293
Figure 6.28 Finding Phase-To-Phase Test Quantities
295
Relay Self-Tests
298
Relay Troubleshooting
300
Table 6.9 Troubleshooting Procedures
301
Factory Assistance
304
Appendix A: Firmware and Manual Versions
305
Firmware
305
Table A.1 Firmware Revision History
305
Sel Boot
309
ICD File
310
Instruction Manual
311
Appendix B: Firmware Upgrade Instructions
319
Overview
319
Upgrade Procedure
320
Troubleshooting
328
Auto-Reclose Example
333
Metering
339
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Sel SEL-421-5 Application Manual (24 pages)
Brand:
Sel
| Category:
Relays
| Size: 0.93 MB
Table of Contents
Port Setup
2
Relay Elements
5
Pott Logic
8
Dcb Logic
13
Appendix A: Determining
18
Technical Support
24
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