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BE1-CDS220
Basler BE1-CDS220 Manuals
Manuals and User Guides for Basler BE1-CDS220. We have
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Basler BE1-CDS220 manuals available for free PDF download: Instruction Manual, Quick Start Manual
Basler BE1-CDS220 Instruction Manual (476 pages)
CURRENT DIFFERENTIAL SYSTEM
Brand:
Basler
| Category:
Relays
| Size: 5 MB
Table of Contents
Table of Contents
9
General Information
11
Input and Output Functions
13
Description
13
Features
13
Protection and Control
14
Protection and Control Functions
14
Metering
15
Reporting and Alarm Functions
15
Bestlogic Programmable Logic
16
Security
17
ASCII Command Interface
17
Human-Machine Interface
17
Primary Applications
18
Differential Protection Application Considerations
18
Problem 1: False Differential Current Due to Poor CT Performance
18
Figure 1-1. Restrained Differential Characteristic
19
Problem 2: Measured Current Magnitude Mismatch
19
Figure 1-2. Tap Adjust for Mismatch
20
Figure 1-3. Currents on Different Voltage Bases
20
Problem 3: Mismatch Caused by Load Tap Changers
20
Problem 4: Phase Angle Shift
21
Figure 1-4. Delta/Wye Transformer Currents
22
Figure 1-5. Three-Phase Connections, Delta-Wye Configuration, CT Compensation
23
Figure 1-6. Three-Phase Connections, Delta-Wye Configuration, Internal Phase Compensation
23
Problem 5: Zero Sequence Current Sources Within the Zone of Protection
24
Figure 1-7. Traditional Zero-Sequence Trap for Application with Ground Banks
25
Problem 6: Transformer Energization Inrush and Overexcitation
25
Problem 7: Digital Measurement Errors
26
Model and Style Number Description
26
General
26
Sample Style Number
27
Operational Specifications
27
Figure 1-8. Style Number Identification Chart
27
Metered Current
27
Metered Frequency
27
87 Differential Functions
28
Calculated Values and Accuracy
28
Contact Inputs
28
Irig
28
Real-Time Clock
28
87ND Neutral Differential Function
29
Figure 1-9. Typical 87 Response Characteristic Curves
29
Instantaneous Overcurrent Functions
30
Time Current Characteristic Curves
30
Time Overcurrent Functions
30
Automatic Setting Group Characteristics
31
Breaker Failure (BF)
31
General Purpose Timers (62, 162)
31
Bestlogic
32
General Specifications
32
AC Current Inputs
32
Analog to Digital Converter
32
Control Inputs
32
Output Contacts
32
Power Supply
32
Communication Ports
33
Display
33
Electrostatic Discharge (ESD)
33
Isolation
33
Radio Frequency Interference (RFI)
33
Surge Withstand Capability
33
Table 1-1. Control Input Burden
33
UL Recognition
33
C.S.A. Certification
34
Case Configurations
34
CE Qualified
34
DNP Certification
34
Environment
34
GOST-R Certification
34
Shock
34
Vibration
34
Weight
34
Section 2 • Quick Start
35
Bestlogic
37
Characteristics of Protection and Control Elements
38
Element Logic Settings
38
Output Logic Settings
39
General
37
About this Manual
37
Section 2 • Quick Start
37
User Interfaces
39
Front Panel HMI
39
ASCII Command Communications
40
BESTCOMS for BE1-CDS220, Graphical User Interface
41
Getting Started
42
Connections
42
Entering Test Settings
42
Checking the State of Inputs
43
Testing
43
Faq/Trouble Shooting
43
Frequently Asked Questions (Faqs)
43
Section 3 • Input and Output Functions
47
General
49
Input Current
49
Current Measurement Functions
49
Setting up the Current Measurement Functions
49
Section 3 • Input and Output Functions
49
Contact Sensing Inputs
57
Digital Input Conditioning Function
57
Outputs
58
Hardware Outputs and Virtual Outputs
58
Retrieving Output Status
59
Relay Trouble Alarm Disable
59
Programmable Hold Timer
59
Output Logic Override Control
60
Section 4 • Protection and Control
63
General
67
Section 4 • Protection and Control
67
Setting Groups
67
Bestlogic Settings for Setting Group Control
68
Operating Settings for Setting Group Control
71
Logic Override of the Setting Group Control Function
74
Retrieving Setting Group Control Status from the Relay
75
Differential Protection
75
87 - Phase Differential Protection
75
Bestlogic Settings for Phase Differential
78
Tap Compensation Settings for Phase Differential
79
Operating Settings for Phase Differential
81
Retrieving Phase Differential Status from the Relay
82
87ND - Neutral Differential Protection
82
Bestlogic Settings for Neutral Differential
84
Auto-Tap Compensation Settings for Neutral Differential
85
Operating Settings for Neutral Differential
85
Retrieving Neutral Differential Status from the Relay
86
Overcurrent Protection
87
50T - Instantaneous Overcurrent Protection with Settable Time Delay
87
Bestlogic Settings for Instantaneous Overcurrent
87
Operating Settings for Instantaneous Overcurrent
89
Retrieving Instantaneous Overcurrent Status from the Relay
90
51 - Time Overcurrent Protection
90
Bestlogic Settings for Time Overcurrent
91
Operating Settings for Time Overcurrent
92
Retrieving Time Overcurrent Status from the Relay
93
Programmable Curves
93
Setting Programmable Curves
94
Negative-Sequence Overcurrent Protection
95
Pickup Settings for Negative-Sequence Overcurrent
95
Coordination Settings for Negative-Sequence Overcurrent
96
Delta/Wye Transformer Application
96
Breaker Failure Protection
96
BF - Breaker Failure Protection
96
Bestlogic Settings for Breaker Failure
97
Operating Settings for Breaker Failure
99
Retrieving Breaker Failure Status from the Relay
100
Logic Timers
100
62 - General Purpose Logic Timers
100
Mode 1, PU/DO (Pickup/Dropout Timer)
100
Mode 2, One-Shot Nonretriggerable Timer
101
Mode 3, One-Shot Retriggerable Timer
101
Mode 4, Oscillator
101
Mode 5, Integrating Timer
102
Mode 6, Latch
102
Bestlogic Settings for General Purpose Logic Timers
103
Operating Settings for General Purpose Logic Timers
104
Retrieving General Purpose Logic Timers Status from the Relay
105
Virtual Switches
105
Virtual Selector Switches
107
Select before Operate Control of Virtual Selector Switches
107
Retrieving Virtual Selector Switches Status from the Relay
108
Section 5 • Metering
111
Section 5 • Metering
113
Current Metering
113
BESTCOMS Metering Screen
114
ASCII Command and HMI Screen Cross-Reference
114
Current
115
Frequency
115
Section 6 • Reporting and Alarm Functions
117
Introduction
119
Relay Identifier Information
119
Clock
120
IRIG-B Port
120
Setting the Clock Function
120
Reading and Setting the Clock
121
General Status Reporting
121
General Status Report
121
Other Report General Commands
123
Demand Functions
124
Demand Calculation and Reporting Function
124
Setting the Demand Reporting Function
125
Retrieving Demand Reporting Information
126
Overload and Unbalance Alarms Function
127
Optional Load Profile Recording Function
128
Differential Current Monitoring Function
129
Setting Differential Current Monitoring Alarms
132
Retrieving Differential Current Monitoring Information
132
Transformer Monitoring Functions
133
Number of through Faults Monitoring Function
134
Transformer Duty Monitoring
134
Transformer Alarms
136
Breaker Monitoring
137
Breaker Status Reporting
137
Breaker Duty Monitoring
139
Breaker Alarms
144
Trip Circuit Monitor
145
Fault Reporting
146
Fault Reporting Expressions and Settings
146
Targets
148
Fault Summary Reports
151
Oscillographic Records
154
Sequence of Events Recorder
156
Retrieving SER Information
156
Alarms Function
158
Relay Trouble Alarms
158
Major, Minor, and Logic Programmable Alarms
159
Links between Programmable Alarms and Bestlogic
162
Hardware and Software Version Reporting
163
Section 7 • Bestlogic Programmable Logic
165
Introduction
167
SECTION 7 • Bestlogic PROGRAMMABLE LOGIC
167
Working with Programmable Logic
167
Function Block Logic Settings
171
Output Logic Settings
171
Logic Schemes
172
The Active Logic Scheme
173
Custom Logic Schemes
174
Copying and Renaming Preprogrammed Logic Schemes
174
Creating or Customizing a Logic Scheme
174
Sending and Retrieving Relay Settings
174
Debugging the Logic Scheme
174
Bestlogic Application Tips
175
User Input and Output Logic Variable Names
175
Section 8 • Application
177
Explanation of Terms
179
Function Element
179
Virtual Switches
179
Introduction
179
Overview of Preprogrammed Logic Schemes
179
Basic Differential Protection Logic Scheme
180
Basic Transformer Logic Scheme
180
Basic Transformer with Control Logic Scheme
180
Transformer Differential with Backup Logic Scheme
180
Bus Protection with Backup Logic Scheme
180
Motor Protection Logic Scheme
181
Section 8 • Application
179
Details of Preprogrammed Logic Schemes
181
Basic Differential Logic Scheme
182
Application
184
Protection Elements
184
Integration of Protection, Control, and I/O Elements
184
Alarms
185
Protection Elements
189
Integration of Protection, Control, and I/O Elements
190
Alarms
192
Basic Transformer with Control Logic Scheme
192
Integration of Protection, Control, and I/O Elements
195
Protection Elements
195
Alarms
196
Transformer with Backup Scheme
199
Protection Elements
200
Integration of Protection, Control, and I/O Elements
201
Test Mode
202
Bus with Backup Scheme
208
Integration of Protection, Control, and I/O Elements
214
Protection Elements
214
Alarms
215
Setting Group
215
Test Mode
215
Motor Protection Logic
219
Protection Elements
222
High Inertia Motor Start
223
Integration of Protection, Control, and I/O Elements
223
Alarms
224
Emergency Trip
224
Low Inertia Motor Start
224
Miscellaneous Logic Expressions
227
Application Tips
228
Trip Circuit Continuity and Voltage Monitor
228
Close-Circuit Monitor
229
Block Neutral and Negative Sequence Protection
230
Output Contact Seal-In
230
Setting Group Selection
230
Latching a Tripping Contact
231
Security
239
Section 10 • Human-Machine Interface
241
Front Panel Display
243
General
243
Section 10 • Human-Machine Interface
243
Optional Front Panel Display
244
Human-Machine Interface
245
Menu Tree
245
Hmi Operations
253
Entering Settings
253
Performing Control Operations
254
Entering Passwords
255
Resetting Functions
255
Section 11 • Ascii Command Interface
257
Introduction
259
Section 11 • Ascii Command Interface
259
Serial Port
259
RS-232 Ports
259
RS-485 Port
259
IRIG-B Input
259
ASCII Command Interface
260
Command Structure
260
Human to Machine ASCII Command Operations
260
Using the ASCII Command Interface
260
ACCESS Command
261
Command Text File Operations
261
Embedding Comments into ASCII Text Files
261
HELP Command
261
Miscellaneous Command Descriptions
261
EXIT Command
262
Command Summary
267
Metering Commands
267
Miscellaneous Commands
267
Control Commands
268
Report Commands
269
Setting Command
273
Global Commands
280
Installation
285
Section 13 • Testing and Maintenance
311
General
315
Testing Philosophies
315
Acceptance Testing
315
Commissioning Testing
315
Periodic Testing
315
Functional Testing
316
Performance Testing
316
Testing and Troubleshooting Aids
316
Relay Self-Test
316
Status and Event Reporting Features
317
Acceptance Testing
317
Test Setup
317
Test Equipment
317
Communications
318
Style Number and Serial Number Verification
319
IRIG Verification
319
Contact Sensing Inputs and Control Outputs
319
Testing and Maintenance
320
Commissioning Testing
322
Protection and Control Function Verification
322
Testing Phase Differential Protection with Internal Compensation
323
Phase Differential Restrained Slope Trip
326
Contact Sensing Inputs
332
Digital I/O Connection Verification
332
Phase Differential Unrestrained Trip
332
Verify Other Set Points as Appropriate
332
Output Contacts
333
Breaker Monitoring
335
Clock Display
335
Demand Functions
335
Relay Trouble Alarms
335
Reporting and Alarm Functions
335
Transformer Monitoring
335
Fault Summary Reports
336
Major/Minor/Logic Programmable Alarms
336
Sequence of Events Recorder (SER) Function
336
Targets
336
In Service Current Circuit Verification
337
System Report Documentation
337
Test Scenarios
337
Periodic Testing
341
Analog Circuit Verification
341
Digital I/O Connection Verification
341
Settings Verification
341
Updating Firmware and Software
342
Updating Relay Firmware
342
Section 14 • Bestcoms Software
389
Description
391
Introduction
391
Section 14 • Bestcoms Software
391
Installation
392
Operating Requirements
392
Installing the Program on Your PC Using Microsoft Windows
392
Connecting the PC to the Relay
392
Starting Bestcoms
393
Start BESTCOMS
393
System Setup Summary Screen
393
Updating Bestcoms Software
393
Configuring the Pc
395
Setting the Relay
395
Select Logic Scheme for Display
395
Settings Display and Selection
395
General Operation Screen
395
BESTCOMS Software
400
Setting Group Selection
400
Percentage Differential
401
Overcurrent Protection
403
Breaker Failure
405
Logic Timers
406
Reporting and Alarms
406
Inputs and Outputs
411
Virtual Switches
412
Bestlogic
413
Copying Settings from Group to Group
416
Downloading Oscillography Files
417
Download Oscillography File
418
View Fault Details
418
View Fault Sequence of Events
418
Metering
418
File Management
419
Downloading a Settings File
419
Opening a Settings File
419
Printing a Settings File
419
Saving a Settings File
419
Uploading a Settings File
419
Comparing Settings Files
420
Bestprint
421
APPENDIX A Time Overcurrent Characteristic Curves
425
APPENDIX B Command Cross-Reference
445
APPENDIX C Terminal Communications
453
Appendix D • Settings Calculations
457
APPENDIX D Settings Calculations
458
Appendix D • Settings Calculations
459
Determine Tap Settings
459
Calculate Ideal Taps
462
Calculate Minpu
463
Choose Unrestrained Pickup Setting
464
Calculate Maximum External Fault
464
Harmonic Restraint Settings
468
Example - Two Winding Transformer
459
Verify CT Performance
459
General
459
Setting Note 1 - Ct Performance Evaluation: Saturation Factor
469
Saturation Factor Defined from the ANSI C Classification
469
Saturation Factor Defined from the CT Excitation Curve
470
Saturation Factor Definitions Compared
470
Conclusion
472
Setting Note 2 - Ct Burden, Delta Connected Ct's, 3-Phase Fault
472
Setting Note 3 - Phase-To-Phase Fault, Delta Connected Cts
473
Setting Note 4 - Slope Setting When Ct Saturation Factor
474
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Basler BE1-CDS220 Quick Start Manual (13 pages)
Current Differential Protection System
Brand:
Basler
| Category:
Protection Device
| Size: 1 MB
Table of Contents
Hardware Features
3
Functional Description
4
General Specifications
7
Mechanical Environment
7
Performance Specifications
10
Breaker Monitoring
11
Sample Style Number
12
Standard Accessory
12
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