Eaton COOPER POWER SERIES User Manual Download

Page: 1 / 24

Substation transformer installation, operation, and maintenance

instructions and parts replacement information

COOPER POWER

SERIES

Effective June 2016
Supersedes S210-15-10 February 2013

Substation

Transformers

MN202002EN

Summary of Contents for COOPER POWER SERIES

Page 1: ...transformer installation operation and maintenance instructions and parts replacement information COOPER POWER SERIES Effective June 2016 Supersedes S210 15 10 February 2013 Substation Transformers M...

Page 2: ...ISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES In no even...

Page 3: ...ling fans 6 High voltage bushings 7 Low voltage bushings 7 De energized tap changer 8 Insulating liquid 8 Vacuum fault interrupter VFI 9 Maintenance 11 Periodic inspection 11 Removing and replacing bu...

Page 4: ...information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all locally approved safety procedures when working around high and low voltage l...

Page 5: ...ection to detect any signs of damage or mishandling Locate any accessory parts that may have been shipped separately 3 If any damage is detected or shortages are noticed write a brief description on t...

Page 6: ...t make any connections except as authorized by the nameplate or schematic Improper connections can result in severe personal injury and damage to the equipment Transformers equipped with an internal t...

Page 7: ...which could lead to failure of the transformer caution Before breaking the seal of any handhole manhole or bushing hole bleed internal pressure to zero Seals should not be broken in the presence of f...

Page 8: ...indicate the top liquid temperature in the tank in degrees Centigrade The temperature sensitive element is mounted in a leak proof well permitting removal of the thermometer without lower ing the oil...

Page 9: ...and contact ratings refer to the schematic furnished with the transformer When required the pressure gauge is furnished with a pressure regulator that will automatically regulate the tank pressure be...

Page 10: ...mer windings All contacts are factory set to operate at the temperatures shown in the connection diagram If readjustment of the contacts is desired consult the factory for detailed instruction Transfo...

Page 11: ...is through the manhole When reinstalling the bushing install a new gasket in the gasket recess on the underside of the flange to insure that the gasket is properly seated in the groove A flat washer...

Page 12: ...late Insulating liquid The insulating liquid in substation transformers is either conventional transformer oil R Temp fluid or Envirotemp FR3 fluid When makeup liquid is required use only approved flu...

Page 13: ...equipment Do not operate loadbreak equipment if a fault condition is suspected Doing so can cause an explosion or fire Use a hotstick to operate transformer loadbreak equipment After operating transfo...

Page 14: ...iated Refer to Service Information S285 75 1 Tri Phase TPG and TPG with SCADA Electronic Control Installation and Operation Instructions for electronic control operation instructions Standard electric...

Page 15: ...working with bushings make sure that the transformer is de energized and that all circuits to and from the transformer are grounded in order to discharge any stored energy and prevent accidental re e...

Page 16: ...hing for removal 5 Remove the bushing Replacing Replacement bushings can be installed by following the removal procedure in reverse order Clamp bolts should be tightened as specified in Table 1 The ga...

Page 17: ...ctions from the tank flange noting the location and orientation up down of each piece To reinstall the bolt on main tank cover 1 Return the gasket sections to their original positions and orientation...

Page 18: ...R3 fluid can be filtered by means of a filter press The filter press is effective for removing all types of foreign matter including finely divided carbon and small amounts of moisture The purifier eq...

Page 19: ...at lower temperatures If the transformer cover or manhole must be removed for internal service exposure time to ambient air should be minimal Avoid exposure times greater than 24 hours Immediately aft...

Page 20: ...hould be reported and investigated Annual Cabinet Interior Maintenance Items to Inspect Points to be checked Remedial Action Frequency Gauges and Controls Check for proper operation Repair or replace...

Page 21: ...in plating will achieve a rainbow coloring if a particular terminal is experiencing an over temperature condition Tighten any loose connections immediately Any damage or discoloration that is observed...

Page 22: ...This page is intentionally left blank 18 Substation transformer installation and parts replacement information MN202002EN JUNE 2016...

Page 23: ...This page is intentionally left blank 19 Substation transformer installation and parts replacement information MN202002EN JUNE 2016...

Page 24: ...call 1 877 277 4636 or visit www eaton com cooperpowerseries SAFETY FOR LIFE Eaton 1000 Eaton Boulevard Cleveland OH 44122 United States Eaton com Eaton s Power Systems Division 2300 Badger Drive Wau...