background image

18

Instruction Booklet 

IB022003EN

Effective April 2018
Revision #3

Instructions for installation, operation, and

maintenance of Type MVS-ND, metal-enclosed

switchgear assemblies: 4.76 kV or 15.0 kV class

EATON 

www.eaton.com

otess:

N

 

Summary of Contents for Indoor MVS-ND

Page 1: ...VS ND switchgear bolt tightness for bus connections 13 MVS ND switchgear field taping procedure 5 15 kV 14 Effective April 2018 Revision 3 Instruction Booklet IB022003EN Instructions for installation operation and maintenance of Type MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class Indoor MVS ND Switchgear Assembly Outdoor MVS ND Switchgear Assembly ...

Page 2: ...uction Booklet IB022003EN Effective April 2018 Revision 3 Instructions for installation operation and maintenance ofType MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class EATON www eaton com ...

Page 3: ...contract The sole source governing the rights and remedies of any purchaser of this equipment is the contract between the purchaser and Eaton NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM THE COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HE...

Page 4: ...hat may arise during installation operation or maintenance of this equipment If further information is desired by the purchaser regarding this particular installation or application information contact the local Eaton sales office see the appropriate section of Eaton s Consulting Application Guide and review the appropriate industry standards Description and application The type MVS ND metal enclo...

Page 5: ...S ND switchgear assembly is securely fastened to a true and level surface according to the floor plan of the customer drawings 6 Always be sure that all hardware is in place and secured by tightening or using safety fasteners before putting an MVS ND switch into operation See Duplex switchgear configuration on Page 13 7 Confirm that all arc chutes and barriers are installed 8 Confirm that no tools...

Page 6: ...eceiving handling storing and installation of the equipment please reference the Instructions for receiving handling storing and installation of medium voltage switchgear in addition to customer drawing package Refer to shipping list for location of the bus hardware and all other joining and installation material Floor requirements The finished foundation surface shall be flat and level within 0 0...

Page 7: ...will face the transformer to the matching holes in the transformer case Minor misalignment may be corrected with a tapered guiding rod of some kind Insert the hardware and tighten Use extreme caution in moving the MVS ND switchgear to prevent damage Outdoor throat connection liquid filled transformers Step 1 Remove the sealing ring flange from MVS ND switchgear throat and set it aside Step 2 The s...

Page 8: ...on For outgoing circuits the terminals are beneath the switch Each terminal pad has a two hole pattern suitable for either a single hole terminal or a terminal with a two hole National Electrical Manufacturers Association NEMA drilling pattern The terminal lugs for the cable if purchased with the switchgear will be bolted to the switchgear terminals If the terminal lugs are not there then they are...

Page 9: ...N SOURCES CONSULT YOUR SAFETY DEPARTMENT BEFORE USING Securing MVS ND switchgear assemblies to foundations If the switchgear assembly was purchased for seismic applications follow the instructions on the specific drawings provided for the switchgear assembly that address the anchoring details Another drawing addresses the load bearing requirements Indoor or outdoor vertical sections are secured us...

Page 10: ...OVED CLEANERS FOR THIS EQUIPMENT m CAUTION ISOPROPYL ALCOHOL IS FLAMMABLE PROVIDE ADEQUATE VENTILATION AND KEEP AWAY FROM FLAMES AND OTHER IGNITION SOURCES CONSULT YOUR SAFETY DEPARTMENT BEFORE USING Step 4 A final thorough inspection should be made to ensure that no tools or other objects are accidentally left inside the enclosure m WARNING DEFEATING OR DISENGAGING SAFETY INTERLOCKS ON AN MVS ND ...

Page 11: ... any dust or dirt that may have accumulated inside each switchgear vertical section paying close attention to insulators and insulating material If the bus is insulated see Electrical parts and insulation check and cleaning for cleaning procedures Insulation and conductor maintenance Insulated bus coverings made from NORYL Insulated bus coverings are made from NORYL a high performance engineering ...

Page 12: ...HGEAR ASSEMBLY FROM ALL POWER SOURCES PRIOR TO INSPECTION MAY RESULT IN SEVERE INJURY OR DEATH THE SWITCHGEAR ASSEMBLY MUST BE COMPLETELY DISCONNECTED FROM ALL POWER SOURCES AND GROUNDED BEFORE PERFORMING ANY INSPECTION m WARNING WHEN ACCESSING FUSES FAILURE TO ASSURE THAT THE FUSES ARE DE ENERGIZED MAY RESULT IN EQUIPMENT DAMAGE BODILY INJURY OR DEATH MAKE SURE THAT ALL POWER SOURCES ARE DE ENERG...

Page 13: ...d Each of the locks is keyed alike and only one key must be available to operating personnel Since the key is retained in its lock when a switch is closed or when a door is opened two things are assured Only one switch may be closed at a time to prevent paralleling of incoming lines Both switches must be locked in the open position to unlock either main door preventing access to energized load sid...

Page 14: ... tape material Trade name Scotch 130C for all cable termination insulation Refer to 3M s taping method instructions Tape Method for Insulating Bus Bar Connections 5 35 kV to Meet ANSI C37 20 Requirements for installation techniques when using this tape Figure 8 DWG NO MODEL REV SHEET OF TITLE ALL REV NOTES LISTED ON SHT 1 REV MODEL FILENAME T BLK REV 4 C 7819C35 2 2 3 JOINT TAPING THRU JOINTS WITH...

Page 15: ... THE INSULATION ENDS METHODS GENERAL 1 ELONGATE INSULATING TAPE 10 TO 25 PERCENT DURING APPLICATION TO INSURE A SMOOTH TIGHT FIT ON PADS ELONGATE CORNERS ONLY 2 SHOULD A TAPE ROLL EXPIRE START THE NEW ROLL BY OVERLAPPING THE PREVIOUS END BY 5 TURN T JOINTS WITH HARDWARE 1 CLEAN AREA OF DIRT AND FOREIGN MATTER 2 WIPE PREINSULATION WITH ISOPROPYL ALCOHOL IF NECESSARY 3 APPLY FILLER OVER BARE CONDUCT...

Page 16: ...lead must be carried through the Zero Sequence current transformer and solid ly ground ed on the load sid e of the ct as shown Use 6 wire with 600V insulation Power Cables Cond uit when used Cable connections to switchgear terminals when used with Insulated Pothead Cond uit must be terminated and solid ly ground ed on the load sid e of the current transformer Zero Sequence transformer Electrical j...

Page 17: ...on Booklet IB022003EN Effective April 2018 Revision 3 Instructions for installation operation and maintenance ofType MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class EATON www eaton com Notes N ...

Page 18: ...on Booklet IB022003EN Effective April 2018 Revision 3 Instructions for installation operation and maintenance ofType MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class EATON www eaton com Notes N ...

Page 19: ...on Booklet IB022003EN Effective April 2018 Revision 3 Instructions for installation operation and maintenance ofType MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class EATON www eaton com Notes N ...

Page 20: ...ved Printed in USA Publication No IB022003EN TBG001292 April 2018 Eaton is a registered trademark All other trademarks are property of their respective owners Instruction Booklet IB022003EN Effective April 2018 Instructions for installation operation and maintenance ofType MVS ND metal enclosed switchgear assemblies 4 76 kV or 15 0 kV class ...

Reviews: