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SEL- 2664S Data Sheet

Schweitzer Engineering Laboratories, Inc.

12

Relay Features and Connections

Figure 20

SEL-2664S Front and Side Faceplates

Terminal D: Neutral Voltage 
VN/ I_SRC Injection Source 
Connections

Port 3: 
EIA 232 Serial Port

Terminal C: 
Neutral Current 
IN Connections

Terminal B :
Power Supply 125/250 
Vdc or 110/240 Vac

Port 2: 
Fiber-Optic EIA-232 
Serial Port

Terminal A: 
Two Digital Inputs, Optically Isolated 
and Internally Wetted With 24 Vdc 
Four Digital Outputs, OUT01-Form C 
OUT02, 03, 04-Form A

Port 1: 
Dual Fiber-Optic 
Ethernet Ports

Front

Side

Summary of Contents for SEL-2664S

Page 1: ...ge elements Operator Controls Take advantage of multiple methods for accessing and using the operator interface of the relay The front and side panels have eight LEDs that indicate the ENABLED TRIP WA...

Page 2: ...imple Network Time Protocol SNTP File Transfer Protocol FTP Telnet SEL ASCII SEL protocols including MIRRORED BITS communications Conformally Coated Overview Figure 1 Functional Diagram Operator Inter...

Page 3: ...of the 64S elements described previ ously The combination of the two with their over lapping coverage provides 100 percent stator winding protection 100 percent of the time Neutral Ground Resistor Mo...

Page 4: ...ry and Primary reference the Neutral Grounding Transformer NGT not CTN b Neutral current A sec is shown if CTN_LOC SEC otherwise it is hidden Table 1 Metered Quantities Sheet 2 of 2 Quantities Descrip...

Page 5: ...ction or control schemes with eight general purpose SELOGIC control equa tion timers Each timer has independent time delay pickup and dropout settings Program each timer input with any element you nee...

Page 6: ...ickSet in the following ways Develop settings offline with an intelligent settings editor that only allows valid settings Create SELOGIC control equations with a drag and drop text editor Configure pr...

Page 7: ...under 26 V peak If a generator produces VN3 above this level even under normal load conditions the injection signal stops disabling the 64S elements However 59N1 59NRMS and 64F elements continue to pr...

Page 8: ...for protection using redundant relays shown with neutral CTs on the secondary side of the neutral grounding transformer This application requires Relay 1 to set the Injection Source Mode setting MODE_...

Page 9: ...for a typical example of the dc connections for 100 percent stator ground protection using the SEL 2664S Stator Ground Protection Relay stator to ground insulation resistance measurement and the SEL...

Page 10: ...SEL 2664S Data Sheet Schweitzer Engineering Laboratories Inc 10 Relay Mounting and Dimensions Figure 15 SEL 2664S Wall Mount Dimensions Figure 16 SEL 2664S Connection Diagram for Wall Mount Option...

Page 11: ...Engineering Laboratories Inc SEL 2664S Data Sheet 11 Figure 17 SEL 2664S Panel Mount Dimensions Figure 18 SEL 2664S Connection Diagram for Rack and Panel Mount Options Figure 19 SEL 2664S Rack Mount...

Page 12: ...C Injection Source Connections Port 3 EIA 232 Serial Port Terminal C Neutral Current IN Connections Terminal B Power Supply 125 250 Vdc or 110 240 Vac Port 2 Fiber Optic EIA 232 Serial Port Terminal A...

Page 13: ...40 Hz Maximum Open Terminal Voltage 26 V peak Protection Self protecting Power Supply Relay Start Up Time Approximately 5 10 seconds after power is applied until the ENABLED LED turns on High Voltage...

Page 14: ...Telnet SNTP IEC 61850 MIRRORED BITS Operating Temperature IEC Performance Rating per IEC EN 60068 2 1 and 60068 2 2 40 to 85 C 40 to 185 F Not applicable to UL applications Operating Environment Insul...

Page 15: ...mm2 14 AWG 2 1 mm2 Potential Voltage VN 16 AWG 1 3 mm2 10 AWG 5 26 mm2 Contact I O 18 AWG 0 8 mm2 14 AWG 2 1 mm2 a For all connection types the insulation voltage must be 300 V minimum Dielectric Str...

Page 16: ...Ground 64S Pickup Range OFF 0 1 k 10 k primary Pickup Measurement Accuracy Steady State 10 of pickup 50 for pickup 2 k 15 pickup for 2 k pickup 10 k Time Delay Range 0 1 400 0 seconds Time Delay Accur...

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