Table of Contents
Related Manuals for Eaton NOVA STS-15
Summary of Contents for Eaton NOVA STS-15
- Page 1 COOPER POWER Reclosers SERIES Effective May 2016 MN280046EN Supersedes S280-44-1 NOVA™ STS-15, NOVA™ STS-27, and NOVA™ STS-38 Single-Tank, Triple-Single, Electronically Controlled Recloser Installation and Operation Instructions...
- Page 2 CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...
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Page 3: Table Of Contents
Contents DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I SAFETY FOR LIFE . - Page 4 SERVICE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Service requirements .
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Page 5: Safety For Life
SAFETY FOR LIFE FOR LIFE Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power series products. ™ We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and service. -
Page 6: Product Information
Service Information MN280046EN provides installation, aluminum or stainless steel tank. The tank is suitable for operation, and service instructions for Eaton’s Cooper Power pole or substation mounting. The interrupter modules series NOVA STS single-tank, triple-single electronically ™... -
Page 7: Ratings And Specifications
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Ratings and specifications Check recloser ratings prior to installation The recloser must be applied within its specified ratings. Check data plate ratings and compare with the system characteristics at the point of application prior to installation. Tables 1-5 list the ratings and specifications for the NOVA STS single-tank, triple-single recloser. -
Page 8: Recloser Dimensions
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Recloser dimensions (10.35) (6.19) (15.50) (15.50) (20.07) All dimensions are mm (inches). Dimensions shown are approximate. (38.47) Table 6 . Terminal options Table 7 . Terminal options (continued) Description Description Eyebolt, 1/0 - 500 mcm NOVA STS 15 1008 Cable Range (630 A maximum) -
Page 9: Installation Procedure
. Failure to comply can result in death, severe personal Eaton recommends transporting Cooper Power series NOVA injury, and equipment damage . reclosers in the closed position to maximize the operational G102 .1... - Page 10 NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Ground the reclosers and mounting hanger. Make Connect heater power cable. The recloser tank the ground connection to the ground connector in includes either a 120 Vac or 240 Vac heater for humidity accordance with approved utility standards.
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Page 11: Remove Recloser From Service
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Block ground sensing via the control panel. WARNING 10. Close source and load disconnect switches. Hazardous voltage . If terminal connections are reversed, 11. Close all three phases via control signal. the internal voltage sensing option may indicate zero voltage with the contacts open . -
Page 12: Grounding The Nova Sts Recloser
Ground Ground 10. Follow standard utility procedures regarding removal of Connecter Supply Voltage (14 gauge minimum) recloser from service. Eaton recommends transporting Cooper Power ● ● series NOVA reclosers in the closed position to maxi- Pole Control Cable(s) mize the operational performance of the unit. -
Page 13: Recloser Operation
Arrester Arrester Vacuum interrupter Ground Arc interruption takes place within the sealed vacuum Arrester interrupter. Eaton’s Cooper Power series vacuum Recloser Ground Ground interrupters employ axial-magnetic field contacts. Slots are Connector machined into the contact support structure producing a Ground Tie magnetic field along the axis of the interrupter. -
Page 14: Electronic Control
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Electronic control 3-Phase trip/3-phase lockout or 1-phase trip/3-phase lockout Refer to Service Information S280-70-7 Form 6 Triple- Single, Microprocessor-Based Pole Mount Recloser Control If the control is in Three-Phase Trip/Three-Phase Lockout Installation and Operation Instructions for control operation or Single-Phase Trip/Three-Phase Lockout mode, all three information. -
Page 15: Actuator Circuit Board
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Actuator circuit board WARNING The actuator circuit board, located within the mechanism, drives the mechanism based upon signals sent from the Hazardous voltage . If terminal connections are reversed, control. The actuator board manages the high power path by the internal voltage sensing option may indicate zero providing precharge and discharge capabilities and provides voltage with the contacts open . - Page 16 G142 .0 Description Form 6-TS Control PT Ratio The electrical connectors of the recloser, control, and cable must be clean and dry. Contaminated surfaces may be NOVA STS-15 1100:1 cleaned with denatured alcohol and wet connector surfaces NOVA STS-27 2200:1 may be dried with a heat gun.
- Page 17 NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser CAUTION CAUTION Equipment misoperation . Do not connect this control Hazardous voltage . Do not touch the receptacle to an energized recloser until all control settings have connections of the control/voltage-sensing cable . If the been properly programmed and verified .
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Page 18: Accessories
A single-stage auxiliary switch can be provided as an accessory on each phase of the recloser. Each switch copper alloys. Eaton recommends terminal connection to copper wires to optimize the electrical connection. consists of two independent contacts that permit any Aluminum cables may produce aluminum oxide sufficient to desired combination of “a”... -
Page 19: Site-Ready Pole-Mounting Hanger
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Site-ready pole-mounting hanger A pre-assembled site-ready pole-mounting hanger, which bolts directly to the recloser frame, is available for pole- mounting installation. Refer to Figure 13. Table 13 . Terminal options Table 14 . Terminal options (continued) Description Description Eyebolt, 1/0 - 500 mcm... -
Page 20: Arrester-Mounting Brackets
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Arrester-mounting brackets The arrester-mounting bracket accessory can be bolted to the recloser frame and pole-mounting hanger for the addition of inboard and outboard arresters. The arresters are not included with the brackets. Refer to Figure 14. Ø12 [.50”] Mounting bolts [25.5]... -
Page 21: Service Information
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Service information Discharge button Service requirements The NOVA STS recloser requires minimum routine inspection to check for physical damage and verify proper operation. It should not be necessary to access the mechanism of the NOVA STS recloser. -
Page 22: High-Potential Withstand Testing
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser High-potential withstand testing Eaton’s Cooper Power series NOVA-STS reclosers are carefully tested and adjusted at the factory to operate according to the published data. Each recloser leaves the factory ready for installation, but to ensure there was no damage during transportation, Eaton recommends high potential withstand tests before installation. -
Page 23: Module Flashover Service
If the recloser does not pass Tests 1, 2, or 3, contact an The following tests should be applied to the NOVA STS authorized service center or your Eaton’s Cooper Power Single-Tank, Triple-Single recloser system: series product representative. -
Page 24: Troubleshooting
NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Troubleshooting If the NOVA STS recloser does not perform as described in the Recloser operation section of this manual, the following information may assist in troubleshooting: Unit will not close Make sure the yellow manual operating handle is ●... - Page 25 NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser NOVA STS Recloser 26-Pin Control Interface VTC (28 V dc) Common to All Common (28 V dc) Phases CT - Common Chassis Ground Trip, A phase Bushing 1-2 Close, A phase Actuator Board Yellow Handle, A phase 53 V Common, A phase (See Figure 18...
- Page 26 NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser Voltage Sensor Optional Voltage Sensor VTC (28 V dc) P1-7 (52a) TRIP P1-1 (yellow handle) P2-2 Yellow Handle P1-3 (52b) CLOSE P1-2 Actuator Circuit Protector Board CT Common Board Common (28 V dc) P1-5 P2-3 53 V Common...
- Page 27 NOVA™ STS Single-Tank, Triple-Single, Electronically Controlled Recloser NOVA STS Recloser 26-Pin Recloser Receptacle +53 V dc -AØ +53 V dc -BØ +53 V dc -CØ VTC (28 V dc) TRIP -AØ TRIP -BØ TRIP -CØ CLOSE -AØ CLOSE -BØ CLOSE -CØ Common (28 V dc) Chassis Ground -AØ...
- Page 28 Waukesha, WI 53188 United States Eaton.com/cooperpowerseries © 2016 Eaton All Rights Reserved Eaton is a registered trademark. For Eaton's Cooper Power series recloser Printed in USA product information Publication No. MN280046EN call 1-877-277-4636 or visit: All trademarks are property www.eaton.com/cooperpowerseries.