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Instruction Booklet

IB022018EN

Effective July 2020

Instructions for the installation and

commissioning of Power Xpert

XGIS gas insulated switchgear

EATON

www.eaton.com

Figure 42. 1250 A cable connection CT mount.

Figure 43. 2500 A cable connection CT mount.

Figure 44.

Change spacer length to accommodate
various CT configurations

1250 A cable connection CT bracket.

Figure 45.

Change spacer length to accommodate
various CT configurations

2500 A cable connection CT bracket.

For more information about CT mounting and brackets, see section

5.13

, Installing current transformers.

Bus tie connections
XGIS sections can be configured with bus tie connections, so that

adjacent vertical section output bushings are directly connected

using SSIS bus. In that case, a different SF

tank is used, the output

bushings are mounted vertically in the tank bottom and connected to

bus joints connecting SSIS bus sections.

Summary of Contents for Power Xpert XGIS

Page 1: ...Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear ...

Page 2: ...2 Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com ...

Page 3: ...e 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 HEREIN In no event will E...

Page 4: ... detection system cables to ground 36 Section 2 Safe practices 37 2 1 Recommendations 37 Section 3 Receiving handling and storage 38 3 1 General 38 3 2 Receiving 38 3 3 Handling 38 3 4 Unpacking 38 3 5 Lifting vertical sections 38 3 5 1 Lifting brackets attachment 38 3 5 2 Lifting 39 3 6 Storage 39 3 7 Tools and accessories 39 3 8 XGIS gas insulated switchgear vertical section weights 39 Section 4...

Page 5: ...n 71 6 2 Commissioning procedures 71 6 2 1 Preparations for commissioning 71 6 2 2 Startup 71 Section 7 Testing 72 7 1 Typical tests 72 7 2 Voltage test 72 7 2 1 Preparation for voltage withstand test 72 7 2 2 Performing switchgear voltage test 73 7 2 3 Performing cable voltage test 73 7 3 Current test 73 Appendices 74 Appendix A XGIS switchgear commissioning checklist 75 List ofTables Table 1 3PD...

Page 6: ...NANCE PROCEDURES IF FURTHER INFORMATION IS REQUIRED YOU SHOULD CONTACT EATON m WARNING DO NOT ATTEMPT ANY WORK ON THIS EQUIPMENT SUCH AS INSTALLING COMPONENTS PERFORMING ANY EXAMINATIONS PERFORMING ANY ADJUSTMENTS PERFORMING ANY SERVICING OR PERFORMING ANY MAINTENANCE WHILE IT IS ENERGIZED BEFORE PERFORMING ANY WORK FOLLOW ALL APPROPRIATE HAZARD ASSESSMENT AND ENERGY CONTROL PRECAUTIONS AND PROCED...

Page 7: ... TO WARNINGS WHICH MAY APPEAR THROUGHOUT THE DOCUMENT IN ADDITION CAUTIONS ARE ALL UPPER CASE AND BOLDFACE AS SHOWN BELOW m WARNING COMPLETELY READ AND UNDERSTAND THE MATERIAL PRESENTED IN THIS DOCUMENT BEFORE ATTEMPTING INSTALLATION OPERATION OR APPLICATION OF THE EQUIPMENT IN ADDITION ONLY QUALIFIED PERSONS SHOULD BE PERMITTED TO PERFORM ANY WORK ASSOCIATED WITH THE EQUIPMENT ANY WIRING INSTRUCT...

Page 8: ...vertical sections incorporate technology intended to make the XGIS system smaller in size easier to install more reliable and easier to maintain than air insulated switchgear XGIS vertical sections come in five configurations Options are available to customize the equipment for each application The five configurations are Feeder incoming Bus tie Bus sectionalizer Disconnector Cable connector The X...

Page 9: ... Fused VT VT Earthing Switch Main Bus Joints Low Voltage Control Compartment Low Voltage Wireway Top Tank Gas Pressure Gauge 3PDS Operator Vacuum Circuit Breaker Mechanism Vacuum Circuit Breaker 3PDS Cable Compartment Cable Tee Connectors Cable Clamp Braces Cable CTs Tank Overpressure Relief Rear Arc Relief Compartment SF6 Tank 3PDS Three Position Disconnect Switch VT Earthing Switch Operator 1250...

Page 10: ...elief Compartment Fused VT VT Earthing Switch Main Bus Joints Low Voltage Control Compartment Low Voltage Wireway Top Tank Gas Pressure Gauge 3PDS Operator Vacuum Circuit Breaker Mechanism Vacuum Circuit Breaker 3PDS BusTie Compartment Tie Bus Joints VT Earthing Switch Operator SF6 Tank 3PDS Three Position Disconnect Switch Tank Overpressure Relief Rear Arc Relief Compartment XGIS 1250 A bus tie s...

Page 11: ...g switch operator Circuit breaker Cable terminations Three position disconnect switch View port Three position disconnect switch control pushbuttons Circuit breaker status indicating lights Circuit breaker control switch Three position disconnect switch indicating lights Meters and relays Circuit breaker status viewing window Voltage Detection System Three position disconnect switch position viewi...

Page 12: ...moves the 3PDS from one position closed open or grounded to another The cam and limit switches provide positive 3PDS position feedback to the operating mechanism The 3PDS normal operation mode is electric but it also has a front access cover for manual operation Three position disconnect switch manual operation is performed by opening the manual mode access cover when the circuit breaker is open i...

Page 13: ...ircuit breaker frame and viewable through a window in the front cover Figure 10 Circuit breaker cycle counter 1 3 1 2 Medium voltage area SSIS conductor system Power input and output circuits between XGIS vertical sections are connected to the XGIS using shielded solid insulation system SSIS conductor and termination elements These elements are designed for medium voltage application and provide e...

Page 14: ...nels it is recommended that access to the 3PDS panel and tie breaker panels be controlled and restricted using a Kirk key padlock or similar lockout system so that only trained personnel can access them When a vacuum circuit breaker is furnished in the vertical section the 3PDS is mounted and connected to the top of the circuit breaker assembly in the tank and conductors run from the breaker s out...

Page 15: ...MINE WHEN THE THREE POSITION DISCONNECT SWITCH HAS REACHED THE DESIRED LOCATION Figure 15 Disconnect switch windows and label In order to ground the output cables or coupling bus the 3PDS must be put in the ground position and the circuit breaker must be closed The 3PDS screw drive also propels a cam limit switch mounted inside the operating mechanism This cam limit switch has four contacts The co...

Page 16: ...couple to top center input terminals mounted on each vacuum interrupter frame The breaker outputs are bused to cable compartment bushings The circuit breaker vacuum interrupter poles are actuated by a stored energy spring system mounted in the breaker operating mechanism Under normal conditions an electric motor drive charges the springs with close and opening energy For manual operation the mecha...

Page 17: ...s electrical trip free characteristics That is the contacts of the circuit breaker must return to the open position and remain there when an opening operation follows a closing operation regardless of whether the closing signal is maintained A circuit breaker with Electrically Trip Free features must be able to receive and respond to an electrical opening signal regardless of whether an electrical...

Page 18: ...y option can be furnished on every vertical section configuration Following is a list of options Whether any option can be included on a project will depend upon on the vertical section configuration applied 3PDS locking features In addition to the standard locking features that prevent switch closure or grounding the 3PDS can be fitted with locking features to lock the switch in the closed positi...

Page 19: ...section rear base if the VTs are non fused or outside the vertical section in the cable vault if the VTs are fused ote N If the system utilizes a ducted arc exhaust required to achieve an arc resistant rating then a top mount VT cannot be installed in the same vertical section to which the arc duct connects Figure 28 Fuse before removing dummy plug Switch off voltage GEFAHR Lebensgefahr Hochspannu...

Page 20: ...voltage compartment the linkage connecting it to the switch mechanism and the bushing where a VT can be connected to the switch Figure 33 VT earthing switch mechanism Current transformers XGIS switchgear can be furnished with or field modified to include current phase current transformers for main bus phases or cable side phases The XGIS switchgear line can include single or multiple CTs per phase...

Page 21: ...ckets attached to the SF6 tank top surface Figure 35 shows an example of main bus CT brackets mounted on the tank top surface Figure 36 shows an example of a main bus CT Figure 35 shows main bus CT mounting brackets Figure 35 Example main bus CT mounting brackets Figure 36 shows a 1250 A main bus CT Figure 37 shows a 2000 2500 A main bus CT Figure 36 Example 1250 A main bus CT Figure 37 Example 20...

Page 22: ...be furnished as single or double CTs per phase The CTs mount on an output bus horizontal bushing Separable connectors connect cable s to the bushing Figure 39 shows how a cable CT is mounted over the cable connection bushing prior to making the cable connections Figure 39 Cable CT surrounding cable bushing Figure 40 and Figure 41 show examples of cable side current transformers The 1250 A CT fits ...

Page 23: ...ction CT bracket Figure 45 Change spacer length to accommodate various CT configurations 2500 A cable connection CT bracket For more information about CT mounting and brackets see section 5 13 Installing current transformers Bus tie connections XGIS sections can be configured with bus tie connections so that adjacent vertical section output bushings are directly connected using SSIS bus In that ca...

Page 24: ...wer cable connections per phase Figure 48 shows an example surge arrester designed for connection using tee type connectors Figure 48 Surge arrester Key interlocks The XGIS design can be furnished with key interlocks Cable Grounding Kits Cable grounding kits are available to facilitate grounding the cable connections in an XGIS vertical section These kits are designed to provide grounding connecti...

Page 25: ...R XPERT XGIS CABLE GROUNDING KIT 1250 A TWO CABLES NOTE TEE CONNECTORS NOT INCLUDED XGIS cable grounding kit two cables Figure 51 POWER XPERT XGIS CABLE GROUNDING KIT 1250 A THREE CABLES NOTE TEE CONNECTORS NOT INCLUDED XGIS cable grounding kit three cables 1 3 6 XGIS vertical section configurations XGIS vertical sections come in five basic configurations Options are available to customize the equ...

Page 26: ...rupter circuit breaker It includes SSIS main bus and cable connections This section can be furnished with fused VTs with a disconnect switch cable CTs remote mounted fused VTs or surge arresters Figure 52 Feeder incoming one line 1 3 6 2 Bus tie The bus tie vertical section includes both the 3PDS and the vacuum circuit breaker It is intended to connect two separate buses It can be furnished with a...

Page 27: ...uit breaker protection It includes the 3PDS but no circuit breaker It can be furnished with a set of VTs with the VT earthing switch and bus CTs Figure 54 Bus sectionalizer one line 1 3 6 4 Disconnector The disconnector vertical section includes only the 3PDS It is intended to connect or isolate direct connections to the XGIS main bus This section can be furnished with fused VTs with a disconnect ...

Page 28: ...ion throughout the tank It is intended to connect incoming or outgoing cable connections directly to the XGIS main bus This section can be furnished with cable CTs remote mounted fused VTs or surge arresters Figure 56 Cable connector one line Table 2 Table 3 and Table 4 list the vertical section dimensions electrical data and relevant standards for Power XPert XGIS switchgear Table 5 lists the Pow...

Page 29: ...accessible Cable compartment Tool based or interlock controlled External degree of protection IP4X Primary live parts degree of protection IP65 Installation Indoor Temperature classification C 5 to 40 Relative humidity max 95 Phase busbars Rated normal current A 1250 2000 2500 Rated short time withstand current rms symmetrical kA 3 s 31 5 Rated peak withstand current kA 82 Ground bus Rated short t...

Page 30: ...n provided by enclosures IP code IEC 62271 1 High voltage switchgear and controlgear Part one Common specifications Table 5 Operating conditions Normal operating conditions according to IEC 62271 1 for indoor switchgear Ambient air temperature 40 C 35 C on average over 24 hours 5 C Altitude 1000 m Contact Eaton for applications above 1000 m Atmosphere No dust smoke or corrosive or inflammable gas ...

Page 31: ... 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com 1 5 XGIS vertical section outlines and dimensions 1 5 1 1250 A vertical section Figure 57 1250 A vertical section dimensions ...

Page 32: ...8EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com 1 5 2 2000 A 2500 A vertical section Figure 58 2000 A 2500 A vertical section dimensions ...

Page 33: ...SSIS bus in XGIS gas insulated switchgear SSIS type busbars are installed as main bus conductors in XGIS switchgear Main busbars are installed and coupled to the bus connection bushings fitted on top of the sealed tank Main horizontal busbars are enclosed in a separate compartment above the sealed tank Figure 60 Top view of XGIS tank showing tank bushings for busbar connections The bushings are mo...

Page 34: ...s Joint Clamshell Type F Double Threaded Rod Type F Tank Bushing Cone Type C Plug Cap Cap Nut and Lock Washer Type F End Bus Joint 2500 A Busbar Type F Cross Bus Joint Clamshell Bus joint differences 1 6 2 Power cable conductors in XGIS switchgear The customer s power cables terminate in XGIS by fitting separable cable connectors onto the XGIS tank bushings located in the power cable compartment T...

Page 35: ...rge arrester XGIS Tank Wall Cable Bushing Output Bushing Bracket Coupling Connector Cap Space for Cable CT Tee Connector Surge Arrester Separable power cable connectors Figure 65 Cable separable connectors in 2000 A or 2500 A cable compartments The separable connectors include a shield layer that is used to ground the exterior of the connectors The ground wires must be fastened to the compartment ...

Page 36: ...ordance with IEC 61243 5 integrated voltage detection systems This system looks for the presence of voltage in each of the three phases and indicates the line status using LED display symbols on the device display Since the cable compartment cable connectors include a capacitance test port for voltage detection the VDS uses capacitance coupled voltage division to safely detect signals proportional...

Page 37: ...eaker with closing springs charged The closing spring should be discharged and the main contacts opened before working on the breaker Failure to do so could result in injuries Do not use a circuit breaker by itself as the sole means of isolating a high voltage circuit Open the 3PDS and follow good lockout and tagging rules as well as all applicable codes regulations and work rules XGIS switchgear ...

Page 38: ...th the packing material Check the contents of each package against the packing list Examine the XGIS element for any signs of shipping damage such as broken missing or loose hardware damaged or deformed insulation and other components File claims immediately with the carrier if damage or loss is detected and notify the nearest Eaton office 3 3 Handling The XGIS vertical section may be top heavy an...

Page 39: ...e Containers should be arranged to permit free circulation of air on all sides and temporary heaters should be used to minimize condensation Moisture can cause rusting of metal parts and deterioration of medium voltage insulation A heat level of approximately 400 watts for each 100 cubic feet of volume is recommended with the heaters distributed uniformly throughout the structure near the floor 3 ...

Page 40: ... tests ote N To ensure a satisfactory installation sequence and quality the Power Xpert XGIS switchgear vertical sections installation should be performed under the supervision of trained and qualified field engineers The vertical section circuit breaker is shipped with its contacts open and closing springs in discharged state The mechanical indicators on the front panel will indicate this Charge ...

Page 41: ... in a traffic area defined by the end user The minimum recommended foundation and anchoring system requirements are sufficient to withstand the combined tensile and overturning reactive forces imposed on the foundation at the XGIS switchgear assembly mounting points during a seismic event Any deviation from these recommendations is the sole responsibility of end user Consult with a licensed struct...

Page 42: ...ENING IS FOR BOTH HV AND LV CABLE ENTRY SEE FLOOR PLAN FOR ADDITIONAL DETAILS 4 MINIMUM 1 00 IN 25 4 MM FULL DEPTH ENGAGEMENT REQUIRED BETWEEN SUPPORT STRUCTURE AND SWITCHGEAR BASE CHANNEL ON BOTH ENDS OF THE LINEUP SUPPORT ENGAGEMENT OF MORE THAN 1 00 IN 25 4 MM COULD RESULT IN INTERFERENCE WITH AVAILABLE LV ENTRY AREA 5 FLOOR SUPPORT STRUCTURE CONSIDERATIONS TO BE DETERMINED BY SITE ENGINEER 6 W...

Page 43: ...t IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Figure 73 Typical vertical section clearance dimensions in control room ...

Page 44: ...let IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Figure 74 XGIS vertical section minimum ceiling height requirements ...

Page 45: ...xcessive cleaning solution The solution may cause a slight expansion of the silicone rubber so any cleaned silicone parts must be air dried for at least 15 minutes Apply silicone grease evenly to the insulator and silicone rubber part according to Table 10 Table 10 Silicone grease application guide Part Silicone grease amount SSIS bus and bus joints About 20g SSIS bus plug About 10g Cable tee conn...

Page 46: ...tTM XGIS gas insulated switchgear EATON www eaton com Figure 75 2 7 9 4 1 11 10 3 6 5 8 Splice Plate Splice Plate Splice Plate Splice Plate Splice Plate 2 3 Main Bus Compartment Vertical Joins 9 Splice Plate 6 Splice Plate 7 Splice Plate XGIS vertical section attachment guide for AFLR Access Front Lateral Rear sections ...

Page 47: ...allation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Figure 76 2 7 9 4 1 11 10 3 6 5 8 Splice Plate Splice Plate Splice Plate Splice Plate Splice Plate Lorem ipsum XGIS vertical section attachment guide for AFL Access Front Lateral sections ...

Page 48: ...ge bolts see Figure 75 item 1 and Figure 77 Attach using 17 sets of M10 1 5 x 30 lg SHCS M10 wide fat washer M10 split lock washer and M10 nut Figure 77 Front edge attachments Main bus compartment front bracket see Figure 75 item 2 Attach using 5 sets of M10 1 5 x 30 lg SHCS M10 wide flat washer M10 split lock washer and M10 nut Main bus compartment rear bracket see Figure 75 item 3 Attach using 5...

Page 49: ...he notch holes to tank studs using 2 sets of M8 wide washer M8 split lock washer M8 nut Attach two holes behind the notch to one tank stud on each tank using 2 sets of M8 wide washer M8 split lock washer M8 nut Attach the remaining two sets of two holes using through hardware Qty 4 sets of M8 1 25 lg SHCS M8 wide washer M8 split lock washer M8 nut Figure 80 Upper VT relief compartment splice plate...

Page 50: ...cutout top and bottom using 4 sets of M8 1 25 x 25lg SHCS M8 wide flat washer and M8 split lock washer Figure 82 Bus tie lower compartment attachments Figure 83 Bus tie lower compartment attachments Connect the cable compartment horizontal ground buses using a copper splice plate see Figure 84 and Figure 85 Figure 84 Ground bus copper splice plate Figure 85 Ground bus splice plate installed Instal...

Page 51: ...ng bus connectors to the XGIS tank and its interior components See Figure 60 for an example of the XGIS main bus compartment and its bushing cones Note All bushings without main busbar or cables installed shall have a grounded SSIS cap The bushings are mounted on top of the gas tank and are connected via bus to the switching components in the tank Figure 86 SSIS components and assemblies Nut and L...

Page 52: ... conductors and couplings immediately 5 9 2 2 Preparations before installation Unpack the equipment check the contents of the accessory kit and the XGIS vertical sections The accessory kit includes NB52 grease silicone grease and cleaning wipes etc 5 10 Installing the bus and bushing IMPORTANT Successful application of the SSIS busbar connecting XGIS vertical sections depends upon proper centerlin...

Page 53: ... a bus joint is used that has both Type C rated 1250 A and Type F Rated 2500 A receptacles Power comes into the bus joint through the bus connection and passes into the tank through a Type C cone The unused bus joint receptacle is plugged and capped Cross Bus Joint Type F Plug and Cap Type F Receptacle Clamshell Bus Rated 2500 A Bus Rated 2500 A Clamshell Type F Plug and Cap Type F Receptacle End ...

Page 54: ...ase evenly Cross Bus Joint Inserting SSIS bus into bus joints Repeat this process for each joint Then screw the attached ground wires to each joint in a daisy chain fashion with provided fasteners Tighten them to finger tightness The assembled joint should look like the image below for intermediate joints Figure 92 Completed bus installation in bus joints Lubricate the threads on the threaded rod ...

Page 55: ...ulating cap to the top of the plug Repeat this process for each joint Figure 96 End bus joint with plug inserted ote N When the joints are loose they are flexible New sections of busbar assemblies can be added one at a time to existing sections of busbar Figure 97 Bus terminated at end vertical section tank bushings 5 11 Low voltage control cables The low voltage control wiring brought in from out...

Page 56: ... Bundle wires together on each side of the opening with a wire tie prior to applying caulk silicone sealant certified to MIL A 46106 Type I Adjustable opening h If it is necessary to install additional wiring between any sections in the front of a switchgear vertical section or to install wiring from external equipment it is necessary to disassemble the wiring pass through system install additiona...

Page 57: ...e bushing will accommodate a maximum of two output cable adapters and the surge arrester Detailed installation instructions for Eaton cable connectors type DTS1242 and DTB1242 can be found in installation manuals MN650023EN and MN650024EN respectively DTS1242 MN650023EN pdf DTB1242 400 Series type C DTB1242 Mating Tee pdf 5 12 1 CableT connectors Cable T connectors couple the tank output bushings ...

Page 58: ...transformers m DANGER ALL ASSOCIATED APPARATUS MUST BE DE ENERGIZED DURING ANY HANDS ON INSTALLATION OR MAINTENANCE FAILURE TO COMPLY WILL RESULT IN DEATH SEVERE PERSONAL INJURY AND EQUIPMENT DAMAGE XGIS current transformers are installed in the factory prior to shipment but may be removed or changed in the field after the vertical sections have been aligned and attached The CTs are held in place ...

Page 59: ...connection bushings Figure 44 shows examples of 1250 A cable side CT brackets Note that the CTs can be arranged in a variety of configurations with combinations of standard accuracy and high accuracy models if desired Threaded standoffs are used to fix the CTs in position in their brackets In this example the standoffs are emphasized in red Figure 43 and Figure 45 show examples of 2000 A 2500 A ca...

Page 60: ...tiple CTs can be mounted on each phase bushing Refer to Figure 104 to see how the CT bracket attaches to the tank on two tank faces Attachment hardware consists of a rear mounting bracket with horizontal CT braces a front mounting bracket mounting rods with spacers and fasteners such as washers lock washers and nuts see Figure 105 With the rear mounting bracket fastened to the studs on the vertica...

Page 61: ...IGNAL CONNECTOR WHILE THE BUSBAR IS CONDUCTING CURRENT WILL RESULT IN A HIGH VOLTAGE ON THE SECONDARY WINDING DAMAG ING EQUIPMENT AND POSSIBLY INJURING PERSONNEL 5 13 4 1 Un installing main bus or bus tie CTs This procedure applies to each phase bus connection 1 Confirm that all power to the lineup is de energized and locked out per the plant lockout tagout procedures 2 Disconnect the CT signal ca...

Page 62: ...kits are available to provide the required truck rail parts and mounting hardware The kits vary depending upon the task to be performed They are 87C2288 Rail Kit for Front Back Lifting 87C2289 Rail Kit for Side Lifting basic 87C2290 Side Lifting expansion Kit additional rail sections and hardware for long lineups See the project drawings for the details of converting the Lift Truck from High Lift ...

Page 63: ...xtend the truck travel to any needed length for target vertical section access See Figure 111 The rails are aligned with the front and rear walls of the VT compartment The Low Lift Truck is mounted on the rails and a VT is winched from floor level to just above the VT compartment floor height The truck is then trolleyed along the rails to the target vertical section VT compartment and the VT is lo...

Page 64: ...ifting mounting brackets with fuse blocking plates installed Table 13 Top VT installation tool components Catalog Number Description 5522A39 3 8 square drive socket extension 34 inches 7229A62 Magnet bit holder 3 8 square drive 1 4 bit hex shank 4309A16 Screw holding 6 mm hex bit 1 4 hex shank One VT installation removal tool set will be provided per lineup The voltage transformer is provided with...

Page 65: ...the lift truck winch to raise a VT in its bracket above the vertical section top Move the lift truck and VT over the rails until they are above the destination VT compartment Lower the VT into the VT compartment Figure 115 Fused bus VT mounting bracket brace Remove the VT port cover plate from the top of the XGIS tank Figure 116 shows the VT connection ports Figure 116 VT connection ports Remove t...

Page 66: ...n for main bus fused VTs use the VT earthing switch to disconnect and ground the VT primary winding for bottom and remote mount cable connected VTs move the three position switch to the Ground position and close the circuit breaker Verify the XGIS is in a zero energy state Perform the installation steps in reverse order 5 14 4 Fused voltage transformer fuse replacement ote N Fuse removal instructi...

Page 67: ...m the VT primary winding and that the VT primary winding is connected to ground before continuing this procedure Observe all lockout tagout procedures Figure 122 Fused VTs at start of procedure Using an appropriate hex head screwdriver release and remove the Dummy Cable Plug by loosening the three attachment screws and pulling the Dummy Cable Plug out of the fuse access port Figure 123 Remove Dumm...

Page 68: ...xisting XGIS vertical section s end sheet see Figure 126 and adding a bracing angle to the rear of the auxiliary cabinet See Figure 128 Figure 126 Vertical Section Vertical Section End Sheets Auxiliary Panel Bottom Low Voltage Wireway Cover Plate Top Low Voltage Wireway Cover Plate Auxiliary cabinet addition front view The auxiliary cabinet comes with an overhanging low voltage wireway so that the...

Page 69: ...rear view Attaching an auxiliary panel to either end of a lineup Every lineup end vertical section has end sheets bolted to its frame These end sheets have bolt holes that are used to attach the end sheet to the vertical section The bolt holes that usually attach an end sheet to the vertical section can also be used to attach an auxiliary cabinet Use ten 10 M8x75mm allen head bolts and M8 washers ...

Page 70: ...to the adjacent vertical the section and the auxiliary section rear panel The L bracket has ten bolt holes on one surface and four bolt holes on it other surface Use seven 7 M8x30 bolts to attach the L bracket to the auxil iary panel rear wall Use four 4 M8x75 bolts to attach the L bracket to the vertical section end sheet See Figure 131 Rear of Vertical Section Vertical Section End Sheets Rear At...

Page 71: ...e connecting high voltage power Connect auxiliary and control power and check the polarities as appropriate Check the effectiveness of 3PDS and circuit breaker if furnished mechanical and electrical interlocks according to the information in Section 4 2 1 for the 3PDS and 4 2 2 for the CB of the Operation and Maintenance Manual IB022017EN Perform function tests for connected protective devices acc...

Page 72: ...OWER FREQUENCY WITHSTAND VOLTAGE TESTING OR VLF VOLTAGE TESTING COULD RESULT IN PERSONAL INJURY OR EQUIPMENT DAMAGE The Voltage Detection System is equipped with four ports at the front of the device to measure the detected voltage from the bushings Three ports are for L1 L2 and L3 voltages and the fourth port is a ground connection The following procedure must be followed before performing any vo...

Page 73: ...r by installed a power test cable into the termination left for the lightning arrester if applicable Any power cables connected to a load must be disconnected from the load prior to voltage withstand testing Empty unapplied terminations of any power cables that are connected to the XGIS switchgear must insulated and or isolated Figure 134 Voltage test cable Power Frequency withstand voltage testin...

Page 74: ...74 Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Appendices ...

Page 75: ...require removal and re insertion after arriving at each position Return the 3PDS to Open position close the Manual Access Door Control power ON mechanical testing for each XGIS vertical section The CB is open the 3PDS is open the 3PDS manual door is closed no medium voltage is present on the cable side Apply control power the CB charging motor will charge the spring if not already charged the CB c...

Page 76: ...erature equalization Check gas pressure Test for leaks Clean area around sample access port Remove protective cap Install adapter Take sample Check gas quality optional Prepare sample for proper shipment per DOT requirements Monitor gas pressure over two week period Bus Installation Note Need to test each section s contact resistance prior to bus assembly Method of installation see section 5 9 Cle...

Page 77: ...r sections loads when these are circuit breaker panels Switch on 3PDS Switch on CB Connect the outgoing feeder sections loads when these are switch disconnector panels with fuses Switch on 3PDS VDS will indicate voltage present when the equipment is energized Revise any circuit diagrams where installation and commissioning has resulted in changes to the design Complete the commissioning records in...

Page 78: ...78 Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Notes ...

Page 79: ...79 Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power XpertTM XGIS gas insulated switchgear EATON www eaton com Notes ...

Page 80: ...Printed in USA Publication No IB022018EN TBG 001430 July 2020 Eaton is a registered trademark All other trademarks are property of their respective owners Instruction Booklet IB022018EN Effective July 2020 Instructions for the installation and commissioning of Power Xpert XGIS gas insulated switchgear ...

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