Eaton NOVA STS-15 Installation And Operation Instructions Manual Download Page 1

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NOVA™ STS-15, NOVA™ STS-27, and NOVA™ STS-38

Single-Tank, Triple-Single, Electronically Controlled Recloser

Installation and Operation Instructions

COOPER POWER

SERIES

Reclosers

MN280046EN

Effective May 2016
Supersedes S280-44-1

Summary of Contents for NOVA STS-15

Page 1: ...NOVA STS 27 and NOVA STS 38 Single Tank Triple Single Electronically Controlled Recloser Installation and Operation Instructions COOPER POWER SERIES Reclosers MN280046EN Effective May 2016 Supersedes...

Page 2: ...LAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT...

Page 3: ...ing the recloser 4 Lifting the recloser 4 Remove recloser from service 6 Grounding the NOVA STS recloser 7 RECLOSER OPERATION 8 Vacuum interrupter 8 Mechanism tripping and closing 8 Electronic control...

Page 4: ...EN May 2016 SERVICE INFORMATION 16 Service requirements 16 Discharge trip and close capacitor 16 Frequency of inspection 16 High potential withstand testing 17 Module flashover service 18 TROUBLESHOOT...

Page 5: ...igh voltage lines and equipment and support our Safety For Life mission Safety information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all...

Page 6: ...incurred during shipment If damage is discovered file a claim with the carrier immediately Handling and storage Be careful during handling and storage of the recloser to minimize the possibility of da...

Page 7: ...kV 38 kV Rated Continuous Current 630 A 630 A 630 A 630 A 630 A Short Circuit Current Symmetrical 12 5 kA 12 5 kA 12 5 kA 12 5 kA 12 5 kA Making Current Asymmetrical Peak 32 0 kA 32 0 kA 32 0 kA 32 0...

Page 8: ...5 Flat Pad 4 hole 800 A maximum 121 4 75 Stud Type 1 125 12 threads 800 A maximum 82 3 25 Table 7 Terminal options continued Description B C NOVA STS 15 110 kV BIL 1008 39 75 733 29 NOVA STS 15 125 kV...

Page 9: ...t in cuts and abrasions T258 1 3 Install the recloser Install the recloser in the appropriate Eaton s Cooper Power series pole or substation mounting frame See Figure 3 for moving and lifting instruct...

Page 10: ...es and bypass switches are not required but are highly recommended as they facilitate switching and isolation Disconnect switches for AC sensing and power connections are necessary to isolate the Form...

Page 11: ...ich will cause death or severe personal injury G108 1 WARNING Hazardous voltage Do not rely on the open position of the yellow operating handle or the contact position indicator it does not ensure tha...

Page 12: ...ice Eaton recommends transporting Cooper Power series NOVA reclosers in the closed position to maxi mize the operational performance of the unit Grounding the NOVA STS recloser IMPORTANT In pole mount...

Page 13: ...responds to trip and close commands from the control per the settings programmed in the control Refer to Service Information S280 70 7 Form 6 Triple Single Microprocessor Based Pole Mount Recloser Con...

Page 14: ...der the sleet hood Note N When the recloser electronically operates to lockout the yellow operating handle will not drop down from under the sleet hood The yellow operating handle remains in the OPEN...

Page 15: ...that the voltage is zero and the line has been de energized Always follow proper safety practices and use a separate detection method to verify a de energized condition Failure to do so can result in...

Page 16: ...refer to Tables 9 and 10 These are entered in the System Configuration screen see Figure 12 When programming the Form 6 Triple Single control the PT connection must be set for a wye connection Also t...

Page 17: ...uch the receptacle connections of the control voltage sensing cable If the recloser is energized and the control voltage sensing cable is disconnected from the recloser or the control a voltage clampe...

Page 18: ...B phase b white black red black G H C phase a green black orange black J K C phase b blue black black white L M unused unused unused N P See Figure 6 A phase is designated as terminals 1 and 2 B phase...

Page 19: ...Cable Range 800 A maximum 108 4 25 Flat Pad 2 hole 630 A maximum 114 4 5 Flat Pad 4 hole 800 A maximum 121 4 75 Stud Type 1 125 12 threads 800 A maximum 82 3 25 Table 14 Terminal options continued De...

Page 20: ...e not included with the brackets Refer to Figure 14 Inboard arrester mounting accessory 374 14 75 min 523 20 5 650 25 5 395 15 5 650 25 5 523 20 5 395 15 5 285 11 25 469 18 5 1030 40 5 107 4 25 394 15...

Page 21: ...it smoothly and do not allow the unit to shift Improper lifting can result in severe personal injury death and or equipment damage G106 3 2 Loosen bolts that secure the tank and remove the tank bottom...

Page 22: ...s Solidly ground all equipment Failure to comply can result in death severe personal injury and equipment damage T221 5 CAUTION Radiation At voltages up to the specified test voltages the radiation em...

Page 23: ...ized service center or your Eaton s Cooper Power series product representative Note N Test results for NOVA reclosers equipped with the internal voltage sensing option will be influenced by the source...

Page 24: ...LOSE position Check all cables for proper connection Check the condition of the battery located in the control cabinet Refer to Service Information S280 70 7 Form 6 Triple Single Microprocessor Based...

Page 25: ...se T Yellow Handle B phase P 53 V Common B phase B 53 V dc B phase W CT B phase b Voltage Sensor B phase G Trip C phase K Close C phase U Yellow Handle C phase R 53 V Common C phase C 53 V dc C phase...

Page 26: ...LK WHT WHT ORG BRN P1 7 CT COM Optional Voltage Sensor VTC 28 V dc NO TRIP Yellow Handle CLOSE Common 28 V dc 53 V Common 53 V dc YEL RED P2 2 MS3 yellow handle NC Actuator Circuit Board P2 3 MS2 52b...

Page 27: ...K CLOSE C L Common 28 V dc M Chassis Ground A N 53 V Common A P 53 V Common B R 53 V Common C S Yellow Handle A T Yellow Handle B U Yellow Handle C V CT A W CT B X CT C Y CT Common Z Opt Voltage Sens...

Page 28: ...es Eaton com cooperpowerseries 2016 Eaton All Rights Reserved Printed in USA Publication No MN280046EN May 2016 KA20480749 REV00 Eaton is a registered trademark All trademarks are property of their re...

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