Low Voltage Motors
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Transcript of Low Voltage Motors
CONTENTS WHAT IS MOTOR WORKING PRINCIPLE OF MOTOR TYPES OF MOTOR MAIN PARTS OF SQUIRRAL CAGE MOTOR TYPE OF MAINTENANCE OVERHAULING STEPS PURPOSE OF OVERHAULING NATURE OF FAULT PROTECTION SAFETY QUESTION AND ANSWER SECTION
WHAT IS MOTOR & WORKING PRINCIPLE
MAIN PARTS OF MOTORTERMINAL BOX
D/E BEARING N/DE
BEARING
EYE BOLT GREASINGNIPPLE
TYPES OF MOTOR
AC MOTOR DC MOTOR
SINGLE PHASE MOTOR
3 Ø MOTOR
CAPACITOR START MOTOR
CAPACITOR RUN MOTOR
UNIVERSAL SERIES MOTOR
SYNCHRONOUS MOTOR
ASYNCHRONOUS MOTOR
SLIP RING INDUCTION MOTOR
SQUIRAL CAGE INDUCTIONMOTOR
SERIES MOTOR
SHUNT MOTOR
COMPOUND MOTOR
MOTOR NAME PLATE
RATED VOLTAGE 380V RATED POWER 248KW FREQUENCY 50 HZ NR . OF POLES 4 R . P . M 1490 POWER FACTOR 0.88 RATED CURRENT 447 A INULATION CLASS F SERVICE TYPE CS DEGREEOF PROTECTION IP 55 BEARING TYPE NU 222 - 6217-C3
TYPE OF MAINTENANCE
CORRECTIV MAINTENANCE
PREVANTIVE MAINTENANCE
4 YEARLY OVERHAULING
OVER HAULING STEPS SAFETY DOCUMENT ( PERMET) TAKE FIVE DISCONNECTION SHIFTING OVER HAULING , DISMENTLING / REASSEMBLING SHIFTING INSTALATON ALIGMENT RECONNECTION HOUSE KEPING CANCEL SAFETY DOCUMENT UNCOUPLED RUN TEST COUPLED RUN TEST CHECK SHEET
PURPOSE OF OVERHAULING
PREVENTION OF FAILURE, SIGNEFCANT LOOS OF PRODUCTION
ROCORDING INFORMATION OF MOTOR HEALTH
INCREASES RELIABLITY INCREASES AVAIBILATY
OVERHAULING DESMENTLING
N. DRIVE END COVER
DRIVE END COVEROUTER GREAS CUP
BEARING PULL OUT
BEARING PULLER BEARING
MAJOR INSPECTION
STATOR AND STATOR WINDING
ROTOR INSPECTION
HOUSING AND BEARING INSPECTION
TERMINAL BOX AND TERMINAL PLATE
ROTOR INSPECTION
COPPER BAR
END RING
INER COOLING wings
ROTOR COOLING DUCT
STATER & WINDING INSPECTION
STATER INSULATED WINDING
BINDING
INSULATED PAPER
CONNECTIO LEADS
SLOT
BEARING & HOUSING INSPECTION
BEARING HOUSING
BEARING
CAGE
ROLLER BEARING
BALL BEARING
TERMINAL BOX INSPECTIONTERMINAL BOX INSPECTION
GASKETCONNECTION LEAD
TERMINAL PLAT
CABLE GLAND
CLEANING AND WASHING OF MOTOR PARTS
REASSEMBLINGREASSEMBLING
NEW BEARINGNEW BEARING
INNER GREAS CUP
NATURE OF FAULT
BEARING FAILURE ABNORMAL SOUND VIBERATION OVER HEATING OVER LOAD EARTH FAULT / OVER CURRENT WINDING OPEN
PROTECTION
THERMAL OVER LOAD RELAY 49 OVER CURRENT
IM 30 RELAY
51-OVER CURRENT 50 N- EARTH FAULT
SAFETY
SAFETY DOCUMENT ISOLATION MANUAL HANDLIG SKIN INFECTION DURING BEARING HEAT