Download 220612785 Pemeliharaan Motor PLTU PDF

Title220612785 Pemeliharaan Motor PLTU
File Size1.5 MB
Total Pages26
Document Text Contents
Page 14

PROTEKSI MOTOR
{IEEE-C37}

MOTOR TEGANGAN RENDAH (380V)

ARUS HUBUNG SINGKAT MAX = 5 * ARUS NOMINAL/FLA)

SCA MAX = 5 * 40 = 200 AMPERE

THERMAL OVERLOAD PROTECTION = 110% * 40 = 44 AMPERE

MCC 1B BUS1
416 V

M

APCP 1A
380V/18.5KW /FLA 40

NFB

MAGNETIC
CONTACTOR THERMAL

OVERLOAD

COIL

SHORT CIRCUIT PROTECTION = 125% * 200 = 250 AMPERE

MAGNETIC CONTACTOR SIZE : 60A

NFB FRAME SIZE : 50A (MITSUBISHI NF 63 SW)

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