Instruction manual [PDF] (270 pages)
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April 1, 2010
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973.334.3100
INSTRUCTION MANUAL
GARD 8000 DISTANCE RELAY MODULE
(This manual should always be used in conjunction with the GARD 8000 System Instructional Manual)
NOTICE
GARD 8000 Distance Relay
RFL Electronics Inc.
The information in this manual is proprietary and confidential to RFL Electronics Inc. Any reproduction
or distribution of this manual, in whole or part, is expressly prohibited, unless written permission is given
by RFL Electronics Inc.
This manual has been compiled and checked for accuracy. The information in this manual does not
constitute a warranty of performance. RFL Electronics Inc. reserves the right to revise this manual and
make changes to its contents from time to time. We assume no liability for losses incurred as a result of
out-of-date or incorrect information contained in this manual.
RFL Electronics Inc.
353 Powerville Road ● Boonton Twp., NJ 07005-9151 USA
Tel: 973.334.3100 ● Fax: 973.334.3863
Email: [email protected] ● www.rflelect.com
Publication Number MC8000DIS
Printed in U.S.A.
April 1, 2010
GARD 8000 Distance Relay
RFL Electronics Inc.
WARRANTY
The GARD 8000 Distance Relay comes with a ten-year warranty from date of shipment for replacement of any part, which
fails during normal operation. RFL will repair or, at its option, replace components that prove to be defective at no cost to
the Customer. All equipment returned to RFL Electronics Inc. must have an RMA (Return Material Authorization) number,
obtained by calling the RFL Customer Service Department. A defective part should be returned to the factory, shipping
charges prepaid, for repair or replacement FOB Boonton, N.J.
RFL Electronics Inc. is not responsible for warranty of peripherals, such as printers and external computers. The warranty
for such devices is as stated by the original equipment manufacturer. If you have purchased peripheral equipment not
manufactured by RFL, follow the written instructions supplied with that equipment for warranty information and how to
obtain service.
WARRANTY STATEMENT
The GARD 8000 product family is warranted against defects in material and workmanship for ten years from the date of
shipment. During the warranty period, RFL will repair or, at its option, replace components that prove to be defective at no
cost to the customer, except the one-way shipping cost of the failed assembly to the RFL Customer Service facility in
Boonton, New Jersey. RFL warrants product repair from one-year from the date of repair or the balance of the original
warranty, whichever is longer.
This warranty does not apply if the equipment has been damaged by accident, neglect, misuse, or causes other than
performed or authorized by RFL Electronics Inc.
This warranty specifically excludes damage incurred in shipment to or from RFL. In the event an item is received in
damaged condition, the carrier should be notified immediately. All claims for such damage should be filed with the carrier.
NOTE
If you do not intend to use the product immediately, it is recommended that it be opened immediately after receiving and
inspected for proper operation and signs of impact damage.
This warranty is in lieu of all other warranties, whether expressed, implied or statutory, including but not limited to implied
warranties of merchantability and fitness for a particular purpose. In no event shall RFL be liable, whether in contract, in
tort, or on any other basis, for any damages sustained by the customer or any other person arising from or related to loss of
use, failure or interruption in the operation of any products, or delay in maintenance or for incidental, consequential,
indirect, or special damages or liabilities, or for loss of revenue, loss of business, or other financial loss arising out of or in
connection with the sale, lease, maintenance, use, performance, failure, or interruption of the products.
April 1, 2010
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973.334.3100
GARD 8000 Distance Relay
RFL Electronics Inc.
Table of Contents
TABLE OF CONTENTS ......................................................................................................................................... III
TABLE OF FIGURES..............................................................................................................................................V
LIST OF TABLES..................................................................................................................................................VII
WARNING LABELS AND SAFETY SUMMARY ....................................................................................................IX
SECTION 1. PRODUCT INFORMATION ............................................................................................................1-1
SECTION 2. GENERAL DESCRIPTION AND OVERVIEW ...............................................................................2-1
2.1 DESCRIPTION ............................................................................................................................................................................... 2-1
2.2 GENERAL OVERVIEW ................................................................................................................................................................ 2-1
SECTION 3. SYSTEM SPECIFICATIONS ..........................................................................................................3-1
SECTION 4. DISTANCE RELAY OPERATING TIMES.......................................................................................4-1
SECTION 5. STANDARDS AND TYPE TESTS ..................................................................................................5-1
SECTION 6. CONFIGURATION ..........................................................................................................................6-1
6.1 SYSTEM CONFIGURATION OVERVIEW.................................................................................................................................. 6-1
6.2 HARDWARE CONFIGURATION................................................................................................................................................. 6-1
6.3 LOGIC SIGNALS AVAILABLE FROM THE DISTANCE PROTECTION MODULE............................................................... 6-8
SECTION 7. DISTANCE RELAY SETTINGS ......................................................................................................7-1
7.1 GENERAL SETTINGS................................................................................................................................................................... 7-1
7.2 LINE PROTECTION SYSTEM SETTINGS .................................................................................................................................. 7-2
7.3 DISTANCE ELEMENTS................................................................................................................................................................ 7-7
7.4 CURRENT ELEMENTS............................................................................................................................................................... 7-15
7.5 RECLOSER AND SYNC CHECK ............................................................................................................................................... 7-24
7.6 BREAKER FAILURE................................................................................................................................................................... 7-27
7.7 VOLTAGE ELEMENTS............................................................................................................................................................... 7-28
7.8 FAULT RECORDER (DFR)......................................................................................................................................................... 7-30
7.9 OSCILLOGRAPHY MASK.......................................................................................................................................................... 7-31
7.10 SOE MASK ................................................................................................................................................................................. 7-33
SECTION 8. DISTANCE RELAY SETTING EXAMPLES ....................................................................................8-1
8.1 GARD 8000 21L SETTING EXAMPLES – STEPPED DISTANCE ............................................................................................. 8-1
8.2 GARD 8000 21L SETTING EXAMPLES – DIRECTIONAL COMPARISON BLOCKING...................................................... 8-13
SECTION 9. DESCRIPTION OF OPERATION ...................................................................................................9-1
9.1 DISTANCE ELEMENTS................................................................................................................................................................ 9-1
9.2 NON-PILOT AND PILOT SCHEMES......................................................................................................................................... 9-15
9.3 PHASE SELECTOR ..................................................................................................................................................................... 9-28
9.4 FAULT DETECTOR..................................................................................................................................................................... 9-29
9.5 LOSS-OF-POTENTIAL BLOCK.................................................................................................................................................. 9-29
9.6 OPEN POLE LOGIC..................................................................................................................................................................... 9-30
9.7 CLOSE-INTO-FAULT.................................................................................................................................................................. 9-31
9.8 LOAD ENCHROACHMENT ....................................................................................................................................................... 9-33
9.9 POWER SWING BLOCK UNIT .................................................................................................................................................. 9-33
9.10 REMOTE OPEN BREAKER DETECTION............................................................................................................................... 9-35
9.11 OVERCURRENT ELEMENTS .................................................................................................................................................. 9-37
9.12 DIRECTIONAL UNITS.............................................................................................................................................................. 9-55
9.13 DIRECTIONAL OVERCURRENT PILOT SCHEMES............................................................................................................. 9-61
9.14 STUB BUS PROTECTION......................................................................................................................................................... 9-62
9.15 BROKEN CONDUCTOR (PHASE UNBALANCE) UNIT (46)................................................................................................ 9-63
9.16 THERMAL IMAGE UNIT.......................................................................................................................................................... 9-63
9.17 VOLTAGE UNITS...................................................................................................................................................................... 9-65
April 1, 2010
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973.334.3100
GARD 8000 Distance Relay
RFL Electronics Inc.
9.18 FREQUENCY UNITS (81)......................................................................................................................................................... 9-68
9.19 BREAKER FAILURE RELAY UNIT ........................................................................................................................................ 9-70
9.20 SYNCH CHECK UNIT............................................................................................................................................................... 9-72
9.21 POLE DISCORDANCE.............................................................................................................................................................. 9-74
9.22 TRIP LOGIC ............................................................................................................................................................................... 9-75
9.23 RECLOSING UNIT .................................................................................................................................................................... 9-76
9.24 BREAKER SUPERVISION FUNCTIONS................................................................................................................................. 9-84
9.25 SERIES COMPENSATED APPLICATIONS............................................................................................................................. 9-85
SECTION 10. SEQUENCE OF EVENTS REPORTS AND FAULT RECORDING...........................................10-1
10.1 MEASURED VALUES, TRIP STATUS, SEQUENCE OF EVENTS AND FAULT RECORDS............................................. 10-1
10.2 MEASURED VALUES AND TRIP STATUS............................................................................................................................ 10-1
10.3 FAULT LOCATOR................................................................................................................................................................... 10-13
SECTION 11. DISTANCE RELAY LOGIC PROGRAMMING...........................................................................11-1
11.1 OVERVIEW................................................................................................................................................................................ 11-1
11.2 FACTORY DEFAULT PROGRAMMING................................................................................................................................. 11-1
11.3 INPUTS ....................................................................................................................................................................................... 11-1
11.4 OUTPUTS ................................................................................................................................................................................... 11-4
11.5 ZIVERCOM ................................................................................................................................................................................ 11-6
11.6 DISTANCE MODULE COMPLETE SIGNAL LIST............................................................................................................... 11-24
SECTION 12. DISTANCE RELAY COMMISSIONING ......................................................................................12-1
12.1 EQUIPMENT REQUIREMENTS............................................................................................................................................... 12-1
12.2 POWER CONNECTIONS .......................................................................................................................................................... 12-2
12.3 BOOT-UP PROGRESS............................................................................................................................................................... 12-2
12.4 ETHERNET CONNECTION...................................................................................................................................................... 12-3
12.5 LOGIC/SOFTWARE VERIFICATION...................................................................................................................................... 12-3
12.6 DISTANCE RELAY WIRING VERIFICATION....................................................................................................................... 12-4
12.7 DISTANCE RELAY CONFIGURATION SETTINGS VERIFICATION.................................................................................. 12-5
12.8 NOMINAL VOLTAGE AND CURRENT VERIFICATION ..................................................................................................... 12-6
12.9 INPUT/OUTPUT MAPPING VERIFICATION ......................................................................................................................... 12-7
12.10 LED LOGIC ASSIGNMENTS VERIFICATION..................................................................................................................... 12-9
12.11 SYSTEM CONFIGURATION VERIFICATION ..................................................................................................................... 12-9
12.12 DISTANCE RELAY FUNCTIONAL TESTING.................................................................................................................... 12-10
SECTION 13. INDEX .........................................................................................................................................13-1
SECTION 14. APPLICATION NOTES...............................................................................................................14-1
April 1, 2010
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973.334.3100
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