STC THREE PHASE AC SYNCHRONOUS ALTERNATORS
STC series alternator (generator),is used as power generating unit of small capacity. It is of drip-proof, salient pole rotating field, and adopt harmonic excitation system,easy operation and maintenance.
The alternator is three phase, four wire type,selected star connection with neutral point. It can be coupled with a prime mover directly or through V-belt
Electric performance
Rated output power: 3kw-50kw(3.75kva-62.5kva)
Rated voltage:400v,380v,230v
Rated frequency: 50/60hz
Rated speed: 1500/1800rpm
Excited type: Harmonic self excited
Insulation: Class B
Protection: IP21
Power factor:0.8 lagging
Voltage regulation: AVR automatic control
This series alternator can be operated continuous at rated load under following conditions:
Altitude above sea level: ≤1000 meters
Cooling air temperature: -15℃～40℃
Relative air humidity: ≤ 90%
Technology parameters
|
Brush
Alternator
Model
|
Output(KW)
|
Output(KVA)
|
Current(A)
|
Pole Number
|
Speed(r.p.m)
|
|
STC-3
|
3
|
3.8
|
5.4
|
4
|
1500
|
|
STC-5
|
5
|
6.3
|
9
|
4
|
1500
|
|
STC-7.5
|
8
|
9.4
|
13.5
|
4
|
1500
|
|
STC-10
|
10
|
12.5
|
18.1
|
4
|
1500
|
|
STC-12
|
12
|
15
|
21.7
|
4
|
1500
|
|
STC-15
|
15
|
18.8
|
27.1
|
4
|
1500
|
|
STC-20
|
20
|
25
|
36.1
|
4
|
1500
|
|
STC-30
|
30
|
37.5
|
54.1
|
4
|
1500
|
|
STC-40
|
40
|
50
|
72.2
|
4
|
1500
|
|
STC-50
|
50
|
62.5
|
90.2
|
4
|
1500
|
|
STC-64
|
64
|
80
|
115
|
4
|
1500
|
|
STC-75
|
75
|
93.7
|
135
|
4
|
1500
|
