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