KF-high voltage generator/Alternator specification:
Performance characteristic
PMG exciting system
Two bearing structure. Rotors have been dynamic balanced
Advanced AVR control, apply± 0.5%voltage regulation factor
Easily to install and mainte
Collocation to choose
Resistance temperature detect(RTD)
Winding temperature protection thermistor
Bearing temperature detect
Space heater
Air filter
Parallel droop device
3-phase stator class F,rator class H Temp.Rise |
Type |
Rate power(KW) |
Rate Capacity(KVA) |
Rate Voltage(V) |
Rate Frequency(HZ) |
Rate Speed (r/min) |
Rate PF(LAG) |
Insula-tion Class |
Protect-ion Class |
Effice-ncy(%) |
GW4-1200-10.5KV |
1200 |
1500 |
105000 |
50 |
1500 |
0.8 |
F/H |
IP21 |
95.3 |
GW4-1400-10.5KV |
1400 |
1750 |
95.6 |
GW4-1600-10.5KV |
1600 |
2000 |
95.8 |
GW4-1800-10.5KV |
1800 |
2250 |
96 |
GW4-2000-10.5KV |
2000 |
2500 |
96.1 |
Reactance(%)-Time constant(ms) |
Power |
KW |
700 |
800 |
900 |
1000 |
1100 |
Short-Circuit ratio |
kcc |
0.57 |
0.77 |
0.76 |
0.74 |
0.78 |
Drict axis transient reactance (unsaturated) |
Xd |
223 |
152.1 |
154.8 |
157.6 |
151.9 |
Quadra.axis synchro.rectance(unsaturated) |
Xq |
116.9 |
76.4 |
77.7 |
78.9 |
75.9 |
Open-circuit time constant |
T′do |
3879 |
2465 |
2518 |
2592 |
2645 |
Direct axis transient reactance(saturated) |
X′d |
18.4 |
18.2 |
18.2 |
18.1 |
17.2 |
Transient current time to constant |
T ′d |
320 |
294 |
296 |
298 |
300 |
Direct axis subtransient reactance (saturaed) |
X″d |
13.1 |
13.1 |
13 |
12.8 |
12.1 |
Subtransient current time constant |
T″d |
16 |
15.3 |
15.3 |
15.4 |
15.4 |
Quadra.axis subtransient reactance (saturaed) |
X″q |
16.2 |
16.2 |
16.1 |
16 |
15.1 |
Negative sequence reatance |
X2 |
14.6 |
14.5 |
14.5 |
14.3 |
13.5 |
Armature time constant |
Ta |
37 |
38 |
43 |
45 |
46 |