KVA BASE RATING : 380

FRAME : HC4F

CONTROL SYSTEM

SEPARATELY EXCITED (PMG)

SELF EXCITED ( NO PMG)

AVR

MX341

MX321

SX440

SX421

VOLTAGE REGULATION

1.00%

0.50%

1.00%

0.50%

WITH 4% ENGINE GOVERNING SX440 IS STANDARD AVR

INSULATION SYSTEM

CLASS H

PROTECTION

IP23 STANDARD

RATED POWER FACTOR

0.8 LAG

STATOR WINDING

DOUBLE LAYER LAP

WINDING PITCH

TWO THIRD

WINDING LEADS

12

OVERLOAD

10% OVERLOAD FOR 1 HOUR ONCE EVERY 12 HOURS

WAVE FORM DISTORTION

NO LOAD <1.8%, NON DISTORTING BALANCED LINEAR LOAD < 5%

MAXIMUM OVERSPEED

2250 REV / MIN

BEARING DRIVE END

BALL 6317 –2RS ( ISO )

BEARING NON-DRIVE END

BALL 6314 –2RS ( ISO )

VOLTAGE SERIES STAR (Y)

415 / 240

FREQUENCY HZ

50

1BRG

2BRG

WEIGHT COMP. GENERATOR Kg

1265

1275

WEIGHT WOUND STATOR Kg

584

584

WEIGHT WOUND ROTOR Kg

504

504

WR2 INERTIA KGM2

6.91

6.61

% EFFICIENCY @ 0.8 PF AND 100% LOAD

93.9

STATOR WINDING RESISTANCE (L-L) @ 22 DEG C

0.02 OHMS

ROTOR WINDING RESISTANCE AT 22 DEG C

1.35 OHMS

Xd DIR AXIS SYNCHRONOUS

2.15

X’d DIR AXIS TRANSIENT

0.14

X"d DIR AXIS SUBTRANSIENT

0.1

Xq QUAD AXIS REACTANCE

1.86

X"q QUAD AXIS SUBTRANSIENT

0.25

XL LINKAGE REACTANCE

0.05

X2 NEGATIVE SEQUENCE

0.18

X0 ZERO SEQUENCE

0.07

REACTANCES ARE SATURATED

VALUES ARE PER UNIT AT RATINGS AND VOLTAGE INDICATED

T’d TRANSIENT TIME CONSTANT

0.08

T"d SUBTRANSIENT TIME CONSTANT

0.019

T’ do O.C. FIELD TIME CONSTANT

1.7

Ta ARMATURE TIME CONSTANT

0.018

SHORT CIRCUIT RATIO

0.465