Download TYPICAL SUBMITTAL DATA Self Voltage

Self Voltage Regulated Type LIMA®MAC AC Generator
TYPICAL SUBMITTAL DATA
MODEL : 440MSL0862
Winding: WC0862
Submittal Data: 416 Volts, 75 kW, 94 kVA, 0.8 P.F., 1800 RPM, 60 Hz, 3 Phase
Standard 3 Phase Wye (Star) Connected
Kilowatt ratings at
1800 RPM
60 Hertz
kW (kVA)
3 Phase
0.8 Power Factor
Class B
12 Leads
Voltage
80º C Continuous
416
75 (94)
Rise by resistance method, Mil-Std-705, Method 680.1b.
Submittal Data: 416 Volts, 75 kw, 94 kVA, 0.8 P.F., 1800 RPM, 60 Hz, 3 Phase
Mil-Std-705B
Method
Description
301.1b Insulation Resistance
302.1a High Potential Test
Main Stator
Main Rotor
Exciter Stator
Exciter Rotor
401.1a Stator Resistance, Line to Line
High Wye Connection
Rotor Resistance
Exciter Rotor
420.1a Short Circuit Ratio
421.1a Xd Synchronous Reactance
422.1a
X2 Negative Sequence React.
423.1a
X0 Zero Sequence Reactance
425.1a
X'd Transient Reactance
426.1a
X''d Subtransient Reactance
427.1a
T'd Transient Short Circuit
Time Constant
T''d Subtransient Short Circuit
Time Constant
T'do Transient Open Circuit
Time Constant
Ta Short Circuit Time
Constant of Armature Winding
428.1a
430.1a
432.1a
STD. CONNECTION
Mil-Std-705B
Value
Method
Description
Value
>1.5 Meg
505.3b
Overspeed
2250 RPM
507.1c
Phase Sequence CCW-ODE
ABC
2000 Volts
508.1c
Voltage Balance, L-L or L-N
0.20%
1500 Volts
652.1a
Shaft Current
< 0.1 ma
1500 Volts
1500 Volts
Additional Prototype Mil-Std Methods
are Available on Request.
0.0358 Ohms
0.73 Ohms
General Technical Data
0.114 Ohms
0.762
1.77 p.u.
-Generator Frame
440
®
3.262 ohms
-Type
LIMA MAC
0.077 pu
-Insulation
Class F
0.142 ohms
-Coupling - Single Bearing
Flexible
0.018 pu
-Amortisseur Windings
Full
0.033 ohms
-Enclosure
IP22
0.104 pu
-Self Excited, Self Voltage Regulated
0.192 ohms
-Voltage Regulation
4%
0.076 pu
-Cooling Air Volume
1800 CFM
0.14 ohms
-Heat rejection rate
306 Btu's/min
0.09 sec.
-Full load current
130 amps
0.035 sec.
-Minimum Input hp required
107.7
Efficiency at rated load : 93.3%
1.52 sec.
0.008 sec.
--
Full load torque
314 Lb-ft
TYPICAL DYNAMIC CHARACTERISTICS
MODEL : 440MSL0862
Winding: WC0862
1
0
0
20
40
60
80
Recov
very time /
sec.
s
Recove
ery time /
sec.
s
Submittal Data: 415 Volts*, 74.96 kW, 93.7 kVA, 0.8 P.F., 1800 RPM, 60 Hz, Y Phase
1
0
0
20
60
80
Load rejection
Load application
30%
30%
% Voltag
ge Rise
% Voltage
e Dip
40
20%
10%
0%
0
20
40
60
20%
10%
0%
80
kW
kW
0
20
40
60
80
Efficiency at rated voltage and frequency vs. load kW
.8 pf
1.0 pf
94.0%
93.0%
92.0%
91.0%
90.0%
89.0%
88.0%
87.0%
86.0%
0
10
20
30
40
50
60
70
80
kW Output
Percent dip
Voltage dip with motor starting
40%
35%
30%
25%
20%
15%
10%
5%
0%
0
100
200
300
400
Locked rotor kVA
500
600
700