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CHAPTER 5: SETTINGS
SYSTEM SETUP
B90 LOW IMPEDANCE BUS DIF
FERENTIAL
SYSTEM – INSTRUC
TION MANU
AL
5-
135
5
Figure 5-68: R
ecloser curves GE131, GE141, GE152, and GE200
Figure 5-69: Recloser curves GE133, GE161, GE162, GE163, GE164, and GE165
326
328
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introduction
9
Safety Symbols and Definitions
9
General Cautions and Warnings
9
For Further Assistance
10
2 Product Description
13
Description
14
Security
16
Order Codes
19
Replacement Modules
24
Signal Processing
25
UR Signal Processing
25
Specifications
27
Protection Elements
28
User-Programmable Elements
29
Monitoring
30
Metering
31
Inputs
31
Power Supply
32
Outputs
33
Communications
35
Inter-Relay Communications
36
Cybersentry Security
37
Graphical Front Panel
37
Environmental
38
Type Tests
39
Production Tests
39
Approvals
40
Maintenance
40
3 Installation
41
Unpack and Inspect
41
Panel Cutouts
42
Rear Terminal Layout
45
Wiring
47
Typical Wiring
47
Dielectric Strength
53
Control Power
53
CT and VT Modules
54
Contact Inputs and Outputs
55
RS232 Port
66
CPU Communication Ports
67
Irig-B
69
Direct Input and Output Communications
70
Description
70
Fiber: LED and ELED Transmitters
73
Fiber Laser Transmitters
73
Interface
74
RS422 Interface
78
RS422 and Fiber Interface
80
And Fiber Interface
81
IEEE C37.94 Interface
81
C37.94SM Interface
84
Activate Relay
87
Install Software
88
Enervista Communication Overview
88
System Requirements
89
Install Software
90
Add Device to Software
91
Set IP Address in UR
91
Configure Serial Connection
96
Configure Ethernet Connection
97
Configure Modem Connection
99
Automatic Discovery of UR Devices
99
Connect to the B90
100
Connect to the B90 in Enervista
100
Use Quick Connect Via the Front Panel RS232 Port
101
Use Quick Connect Via a Rear Ethernet Port
102
Set up Cybersentry and Change Default Password
103
Import Settings
103
Connect to D400 Gateway
104
Oscillography Files
104
Event Records
104
Log Files
104
Setting Files
105
4 Interfaces
107
Enervista Software Interface
107
Introduction
107
Settings Files
107
Event Viewing
108
File Support
109
Enervista Main Window
109
Protection Summary Window
110
Settings Templates
111
Secure and Lock Flexlogic Equations
115
Settings File Traceability
118
Front Panel Interface
120
Front Panel
120
Front Panel Display
122
Front Panel Navigation Keys
143
LED Indicators
145
Front Panel Labelling
149
Menu Navigation
156
Change Settings
158
View Actual Values
163
Change Passwords
164
Invalid Password Entry
166
Logic Diagrams
166
Flexlogic Design Using Engineer
167
Design Logic
169
Send File to and from Device
179
Monitor Logic
180
View Front Panel and Print Labels
181
Generate Connectivity Report
182
Preferences
182
Toolbars
186
5 Settings
193
Settings Menu
193
Overview
195
Introduction to Elements
195
Product Setup
197
B90 Function
197
Security
197
Display Properties
215
Graphical Front Panel
216
Clear Relay Records
228
Communications
229
Modbus User Map
291
Real-Time Clock
291
User-Programmable Fault Report
296
Oscillography
297
User-Programmable Leds
302
User-Programmable Self-Tests
303
Control Pushbuttons
304
User-Programmable Pushbuttons
305
Flex State Parameters
311
User-Definable Displays
312
Direct Inputs and Outputs
314
Installation
320
System Setup
321
AC Inputs
321
Power System
321
Flexcurves
322
Bus
329
Flexlogic
331
Flexlogic Operands
331
Flexlogic Rules
339
Flexlogic Evaluation
339
Flexlogic Example
340
Flexlogic Equation Editor
345
Flexlogic Timers
345
Non-Volatile Latches
345
Grouped Elements
346
Overview
346
Setting Group 1
346
Bus Differential
347
Breaker Failure (ANSI 50BF)
352
Voltage Elements
360
Current Elements
361
End Fault Protection
368
Control Elements
371
Overview
371
Trip Bus
371
Setting Groups
373
Digital Elements
374
Monitoring Elements
377
Inputs/Outputs
382
Contact Inputs
382
Virtual Inputs
384
Contact Outputs
385
Virtual Outputs
388
Resetting
388
Direct Inputs and Outputs
389
Testing
393
Test Mode Function
393
Test Mode Forcing
394
Force Contact Inputs
394
Force Contact Outputs
395
6 Actual Values
398
Front Panel
398
Status
399
Contact Inputs
399
Virtual Inputs
399
Rxgoose Boolean Inputs
400
Rxgoose DPS Inputs
400
Contact Outputs
400
Virtual Outputs
400
Rxgoose Status
401
Rxgoose Statistics
401
Flex States
402
Ethernet
402
Real Time Clock Synchronizing
402
Direct Inputs
403
Direct Devices Status
403
Remaining Connection Status
404
Parallel Redundancy Protocol (PRP)
404
Metering
405
Txgoose Status
405
Metering Conventions
405
Bus Zone
406
Currents
406
Voltages
407
Frequency
407
Rxgoose Analogs
407
Records
407
User-Programmable Fault Reports
407
Event Records
408
Oscillography
409
Product Information
410
Model Information
410
Firmware Revisions
410
7 Commands and Targets
413
Commands Menu
413
Virtual Inputs
414
Clear Records
414
Set Date and Time
414
Relay Maintenance
415
Targets Menu
416
Target Messages
417
Relay Self-Tests
417
8 Application of Settings
425
Overview
425
Introduction
425
Sample Busbar and Data
425
Zoning and Dynamic Bus Replica
427
North Bus Zone
427
South Bus Zone
428
Biased Characteristic Breakpoints
429
Description
429
High Breakpoint
429
Slopes and High Set Threshold
430
Description
430
External Faults on C-1
431
External Faults on C-2
433
External Faults on C-3
433
Bus Differential Settings
434
External Faults on C-4
434
Enhancing Relay Performance
435
Using Setting Groups
435
9 Theory of Operation
437
Introduction
437
Bus Differential Protection
437
Dynamic Bus Replica
439
Dynamic Bus Replica Mechanism
439
Differential Principle
439
Biased Differential Characteristic
439
Differential and Restraining Currents
440
Enhanced Security
441
Directional Principle
442
Current Directional Protection
442
Saturation Detector
443
CT Saturation Detection
443
Output Logic and Examples
445
Output Logic
445
Internal and External Fault Example
446
10 Maintenance
449
Devices with Site Targets
449
Data with Modbus Analyzer
449
Monitoring
449
General Maintenance
451
In-Service Maintenance
451
Out-Of-Service Maintenance
451
Retrieve Files
451
Unscheduled Maintenance (System Interruption)
451
Convert Device Settings
453
Compare Settings
455
Compare against Defaults
455
Back up and Restore Settings
456
Copy Settings to Other Device
455
Back up Settings
456
Restore Settings
459
Upgrade Firmware
461
Upgrade Software
461
Replace Front Panel
463
Replace Module
471
Battery
472
Replace Battery for SH/SL Power Supply
472
Dispose of Battery
474
Clear Files and Data after Uninstall
477
Repairs
477
Disposal
478
Storage
478
A.1 Flexanalog Items
479
Flexanalog Items
479
B Radius Server
483
RADIUS Server Configuration
483
C Command Line
485
Command Line Interface
485
D.1 Warranty
491
Warranty
491
Revision History
491
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