STC Series Three-Phase A.C.Synchronous Generator
Category:
TC Series generators are used in town, countryside, worksites,villages and pastures as electric STC series generators are used as lighting in countryside, town, worksites, mountain and pasturing areas ,the thre phase A.C. power supply, as wellas to be reserved emergency power source.
The generator is adopted drip-proof with rotary field type, protection class IP23, insulation class B or Fand harmonic excitation system.lt is safe and reliable, easy operation and maintenance.
The generator is three-phase, four-wire type, adopting star connection with neutral point. The rated line voltage is 4oov, phase voltage 23ov, frequency 50Hz, power factor 0.8(lag). We can provide 60Hz andthe other voltages value according to the customers request.
The generator can be coupled with a prime mover directly or through v-belt making right or reverse continuous rotation at the rated speed. When the rotation speed of prime mover changes 3% or so and load varies in the range of O~10o% and 0.8~1.0, the genera-tors offer constant voltage.
When sudden change (increase or decrease) of load, the generator will soon return to their normal working state, at the same time, without any starting device the generator can directly start anunloaded squirrel cage induction motor.
The generators are made as per standard JB/T8981-1999, as well as in conformity to IEC34-1
Specifications
ENVIRONMENT CONDITIONS:
Under the following environment, the generator could run continuously:
1.Altitude: not exceed 1000m.
2.Cooling air temperature:258~313K(-15℃~40℃).
3.Relative humidity: not exceed 90%.
NICAL DATA
| Type | Output | Voltage (V) | Current (A) | Power Factor (cos φ) | Speed (r.p.m) | Freq. (Hz) | Pole number | |
| kVA | kW | |||||||
| STC-3 | 3.8 | 3 | 400/230 | 5.4 | 0.8 | 1500 | 50 | 4 |
| STC-5 | 6.3 | 5 | 9 | |||||
| STC-7.5 | 9.4 | 7.5 | 13.5 | |||||
| STC-8 | 10 | 8 | 14.4 | |||||
| STC-10 | 12.5 | 10 | 18.1 | |||||
| STC-12 | 15 | 12 | 21.7 | |||||
| STC-15 | 18.5 | 15 | 27.1 | |||||
| STC-20 | 25 | 20 | 36.1 | |||||
| STC-24 | 30 | 24 | 43.3 | |||||
| STC-30 | 37.5 | 30 | 54.1 | |||||
| STC-40 | 50 | 40 | 72.2 | |||||
| STC-50 | 62.5 | 50 | 90.2 | |||||
OVERALL AND MOUNTING DIMENSIONS

| Type | Output | Installing dimensions(mm) | Overall dimensions(mm) | |||||||||||||||
| kVA | kW | H | A | B | C | D | E | F | G | g | K | a | b | h1 | h | L1 | L2 | |
| STC-3 | 3.8 | 3 | 132 | 216 | 178 | 89 | 32 | 80 | 10 | 27 | 34.8 | 12 | 34 | 250 | 18 | 400 | 480 | 270 |
| STC-5 | 6.3 | 5 | 160 | 254 | 254 | 108 | 38 | 80 | 10 | 33 | 40.8 | 15 | 50 | 310 | 25 | 455 | 580 | 325 |
| STC-7.5 | 9.4 | 7.5 | 160 | 254 | 254 | 108 | 38 | 80 | 10 | 33 | 40.8 | 15 | 50 | 310 | 25 | 455 | 580 | 325 |
| STC-8 | 10 | 8 | 160 | 254 | 254 | 108 | 38 | 80 | 10 | 33 | 40.8 | 15 | 50 | 310 | 25 | 455 | 580 | 325 |
| STC-10 | 12.5 | 10 | 180 | 279 | 203 | 121 | 42 | 110 | 12 | 37 | 44.8 | 15 | 60 | 339 | 25 | 495 | 610 | 365 |
| STC-12 | 15 | 12 | 180 | 279 | 203 | 121 | 42 | 110 | 12 | 37 | 44.8 | 15 | 60 | 339 | 25 | 495 | 610 | 365 |
| STC-15 | 18.8 | 15 | 200 | 318 | 228 | 133 | 48 | 110 | 14 | 42.5 | 51.5 | 19 | 60 | 378 | 30 | 540 | 660 | 400 |
| STC-20 | 25 | 20 | 200 | 318 | 228 | 133 | 48 | 110 | 14 | 42.5 | 51.5 | 19 | 60 | 378 | 30 | 540 | 660 | 400 |
| STC-24 | 30 | 24 | 200 | 318 | 228 | 133 | 48 | 110 | 14 | 42.5 | 51.5 | 19 | 60 | 378 | 30 | 540 | 660 | 400 |
| STC-30 | 37.5 | 30 | 225 | 356 | 286 | 149 | 60 | 140 | 18 | 53 | 64 | 19 | 65 | 421 | 32 | 610 | 770 | 452 |
| STC-40 | 50 | 40 | 225 | 356 | 286 | 149 | 60 | 140 | 18 | 53 | 64 | 19 | 65 | 421 | 32 | 610 | 770 | 452 |
| STC-50 | 62.5 | 50 | 225 | 356 | 311 | 149 | 60 | 140 | 18 | 53 | 64 | 19 | 65 | 421 | 32 | 610 | 810 | 452 |
Key words:
Electric motor
Generator
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