KVA BASE RATING : 15

FRAME : BC16D

CONTROL SYSTEM

SELF EXCITED ( NO PMG )

AVR

Std : SX460

Optional : SA421

VOLTAGE REGULATION

1.00%

0.50

WITH 4% ENGINE GOVERNING SX460 IS STANDARD AVR

INSULATION SYSTEM

CLASS H

PROTECTION

IP23 STANDARD

RATED POWER FACTOR

0.8 LAG

STATOR WINDING

DOUBLE LAYER CONCENTRIC

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 6309-2RS ( ISO )

BEARING NON-DRIVE END

BALL 6306-2RS ( ISO )

VOLTAGE SERIES STAR (Y)

415 / 240

FREQUENCY HZ

50

WEIGHT COMP. GENERATOR

112

WEIGHT WOUND STATOR

34.5

WEIGHT WOUND ROTOR

36.5

WR2 INERTIA KGM2

0.1279

% EFFICIENCY @ 0.8 PF AND 100% LOAD

82.1

COOLING AIR

0.071 M3 / SEC

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

1.29 OHMS

ROTOR WINDING RESISTANCE AT 22 DEG C

0.56 OHMS

X_d DIR AXIS SYNCHRONOUS

1.51

X’_d DIR AXIS TRANSIENT

0.15

X"_d DIR AXIS SUBTRANSIENT

0.09

X_q QUAD AXIS REACTANCE

0.75

X"_q QUAD AXIS SUBTRANSIENT

0.18

X_L LINKAGE REACTANCE

0.07

X₂ NEGATIVE SEQUENCE

0.14

X₀ ZERO SEQUENCE

0.07

REACTANCES ARE SATURATED

VALUES ARE PER UNIT AT RATINGS AND VOLTAGE INDICATED

T’_d TRANSIENT TIME CONSTANT

0.018

T"_d SUBTRANSIENT TIME CONSTANT

0.0045

T’ do O.C. FIELD TIME CONSTANT

0.35

Ta ARMATURE TIME CONSTANT

0.0055

SHORT CIRCUIT RATIO

0.663