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250KVA---475KVA AC Brushless Diesel Generator KR4
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| Model No.︰ | KR4 |
| Brand Name︰ | Kerui |
| Country of Origin︰ | China |
| Minimum Order︰ | 1 set |
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Quick Details
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Place of Origin:
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Jiangsu, China (Mainland)
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Brand Name:
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KERUI
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Model Number:
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KR4
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Output Type:
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AC Three Phase
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Speed:
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1500/1800 RPM
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Frequency:
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50HZ/60HZ
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Rated Power:
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250--475KVA
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Voltage:
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120--690V
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Mounting dimensions:
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SAE. NO standard
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Excitation:
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Brushless, self-excited, synchronous
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Insulation Class:
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H
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Power:
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200KW--440KW
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Winding Pitch:
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2 / 3 pitch
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Color:
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Customers' Requirement
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Advantage:
- Self-excitation control or optional permanent magnet generator provides continuous short circuit current capability
- Single bearing or Double bearing
- 4 Pole, Brushless, H class insulation ensure the generator running in the dreadful conditions
- Standard IP22,IP23, Top quality & Easy to install and maintenance
- Steel frame cast-iron cover,Excellent silicon steel chip
- You can reconnect 12 ends of the terminals to meet other voltage
- Meets all requirements of the world’s leading generator standard
- All generator stators are wound to 2/3 pitch, avoid excessive neutral currents, ensure low waveform distortion
Optional Part
- Anti-condensation heater
- Air filter
- Anti-radio interference suppressors
- Droop transformer for parallel operation
- Power Factor controller PFC3
- Optional AVR MX321 or MX341, optional AS440 AVR Plus a three phase induction detection module can meet ±0.5% voltage regulation
- Winding temperature sensor RTD
- Bearing temperature sensor RTD
- Winding temperature protection thermistors and relays
- Optional PMG supply separate excitation system power
| KR4 Three Phase |
| |
50Hz(1500rpm) |
60Hz(1800rpm) |
| Temperature |
Normal 40℃ |
Peak 40℃ |
Peak 27℃ |
Normal 40℃ |
Peak 40℃ |
Peak 27℃ |
| Temperature rise |
Normal 125℃ |
Standby 150℃ |
Standby 163℃ |
Normal 125℃ |
Standby 150℃ |
Standby 163℃ |
| Voltage |
380 |
400 |
415 |
380 |
400 |
415 |
380 |
400 |
415 |
416 |
440 |
480 |
416 |
440 |
480 |
416 |
440 |
480 |
| KR4C Capacity（KVA) |
250.0 |
250.0 |
250.0 |
270.0 |
270.0 |
270.0 |
275.0 |
275.0 |
275.0 |
287.5 |
300.0 |
315.0 |
300.0 |
320.0 |
335.0 |
310.0 |
330.0 |
345.0 |
| Power（KW) |
200.0 |
200.0 |
200.0 |
216.0 |
216.0 |
216.0 |
220.0 |
220.0 |
220.0 |
230.0 |
240.0 |
252.0 |
240.0 |
256.0 |
268.0 |
248.0 |
264.0 |
276.0 |
| Efficiency(%) |
92.5 |
92.8 |
93.0 |
92.0 |
92.3 |
92.6 |
91.8 |
92.2 |
92.5 |
92.6 |
92.7 |
93.0 |
92.3 |
92.3 |
92.7 |
92.1 |
92.2 |
92.5 |
| KR4D Capacity（KVA) |
300.0 |
300.0 |
300.0 |
320.0 |
320.0 |
320.0 |
330.0 |
330.0 |
330.0 |
343.7 |
360.0 |
375.0 |
365.0 |
385.0 |
400.0 |
375.0 |
395.0 |
415.0 |
| Power（KW) |
240.0 |
240.0 |
240.0 |
256.0 |
256.0 |
256.0 |
264.0 |
264.0 |
264.0 |
275.0 |
288.0 |
300.0 |
292.0 |
308.0 |
320.0 |
300.0 |
316.0 |
332.0 |
| Efficiency(%) |
92.7 |
93.0 |
93.2 |
92.3 |
92.7 |
92.9 |
92.1 |
92.5 |
92.7 |
93.0 |
93.0 |
93.3 |
92.5 |
92.6 |
93.0 |
92.4 |
92.5 |
92.8 |
| KR4ES Capacity（KVA) |
325.0 |
325.0 |
325.0 |
345.0 |
345.0 |
345.0 |
358.0 |
358.0 |
358.0 |
381.0 |
394.0 |
419.0 |
406.0 |
419.0 |
440.0 |
419.0 |
431.0 |
456.0 |
| Power（KW) |
260.0 |
260.0 |
260.0 |
276.0 |
276.0 |
276.0 |
286.0 |
286.0 |
286.0 |
305.0 |
315.2 |
335.2 |
325.0 |
335.0 |
355.0 |
335.0 |
345.0 |
365.0 |
| Efficiency(%) |
93.6 |
93.7 |
93.8 |
92.7 |
93.0 |
93.2 |
92.7 |
93.0 |
93.2 |
93.7 |
93.7 |
93.8 |
93.2 |
93.2 |
93.3 |
92.4 |
92.7 |
93.1 |
| KR4E Capacity（KVA) |
350.0 |
350.0 |
350.0 |
370.0 |
370.0 |
370.0 |
380.0 |
400.0 |
380.0 |
400.0 |
420.0 |
440.0 |
420.0 |
445.0 |
460.0 |
435.0 |
455.0 |
475.0 |
| Power（KW) |
280.0 |
280.0 |
280.0 |
296.0 |
296.0 |
296.0 |
304.0 |
320.0 |
304.0 |
320.0 |
336.0 |
352.0 |
336.0 |
356.0 |
368.0 |
348.0 |
364.0 |
380.0 |
| Efficiency(%) |
93.2 |
93.5 |
93.6 |
93.2 |
93.5 |
93.6 |
92.7 |
92.7 |
93.2 |
93.5 |
93.5 |
93.7 |
93.4 |
93.5 |
93.7 |
92.9 |
93.0 |
93.3 |
| KR4FS Capacity（KVA) |
380.0 |
380.0 |
380.0 |
390.0 |
390.0 |
390.0 |
404.0 |
404.0 |
404.0 |
440.0 |
456.0 |
475.0 |
475.0 |
483.0 |
500.0 |
488.0 |
500.0 |
519.0 |
| Power（KW) |
304.0 |
304.0 |
304.0 |
312.0 |
312.0 |
312.0 |
323.0 |
323.0 |
323.0 |
355.2 |
356.0 |
380.0 |
380.0 |
386.0 |
400.0 |
390.0 |
400.0 |
415.0 |
| Efficiency(%) |
93.4 |
93.7 |
93.8 |
93.1 |
93.2 |
93.5 |
93.2 |
93.6 |
93.6 |
93.6 |
93.6 |
93.9 |
93.1 |
93.3 |
93.4 |
93.0 |
93.1 |
93.4 |
| KR4F Capacity（KVA) |
400.0 |
400.0 |
400.0 |
415.0 |
430.0 |
430.0 |
425.0 |
450.0 |
440.0 |
455.0 |
480.0 |
500.0 |
485.0 |
515.0 |
535.0 |
500.0 |
530.0 |
550.0 |
| Power（KW) |
320.0 |
320.0 |
320.0 |
332.0 |
344.0 |
344.0 |
340.0 |
360.0 |
352.0 |
364.0 |
384.0 |
400.0 |
388.0 |
412.0 |
428.0 |
400.0 |
424.0 |
440.0 |
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Product Image
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