AC Three Phase Brushless Self-Exciter Alternator (MG270)
1)Brush-less, 4 poles, rotation magnet.
2)IP21-23(NEMA1) enclosure is standard for all industrial alternators.
3)The insulation system is Class H
4)Simple installation and maintenance, with easy access to terminals, rotating diodes
5)Wide range of flange adaptors and single bearing disc coupling.
6)Standard 2/3 pitch windings avoid excessive neutral currents
7)AVR auto voltage regulator, auto exciter, auto adjustment
8)All regulatory components are made up with special materials and are immersed in lacquer by vacuum technology, normally used for marine usage standard. Varnish and colophony materials are developed to strengthen the processing and machinery intensity of winding and revolving parts for protecting the generator work under corrosive environment.
| Rating Power Factor | 0.8Lagging | |||||||||||||
| Altitude | ≤1000m | |||||||||||||
| Insulation Class | H | Excitation System | Shunt | |||||||||||
| Lead Number | 12 | A.V.R Model | EA440 | |||||||||||
| Winding Pitch | 2 / 3 | Voltage Regulation | ±1% | |||||||||||
| Drip Proof | IP 21 / 23 | Transient Voltage Time(s) | ≤1.0 | |||||||||||
| Over Speed | 2250rpm | Waveform: NEMA-TIF | ≤50 | |||||||||||
| Total Harmonic-THD | ≤5% | Waveform: IEC-THF | ≤4% | |||||||||||
| Frequency | 50Hz (1500rpm) | 60Hz (1800rpm) | ||||||||||||
| Phase / Insulation | 3 Phase / H Class | 3 Phase / H Class | ||||||||||||
| Duty | Prime | Standby | Prime | Standby | ||||||||||
| Ambient Temperature | 40° C | 40° C | 40° C | 40° C | ||||||||||
| Temperature Rise | 125° C | 150° C | 125° C | 150° C | ||||||||||
| Voltage ( V ) | 380 | 400 | 415 | 380 | 400 | 415 | 440 | 460 | 480 | 440 | 460 | 480 | ||
| MGA270-80-4S | KVA | 100 | 110 | 125 | 137.5 | |||||||||
| KW | 80 | 88 | 100 | 110 | ||||||||||
| MGA270-91-4S | KVA | 114 | 125 | 137.5 | 150 | |||||||||
| KW | 91 | 100 | 110 | 120 | ||||||||||
| MGA270-104-4S | KVA | 130 | 142.5 | 156 | 172.5 | |||||||||
| KW | 104 | 114 | 125 | 138 | ||||||||||
| MGA270-112-4S | KVA | 140 | 155 | 169 | 185 | |||||||||
| KW | 112 | 124 | 135 | 148 | ||||||||||
| MGA270-120-4S | KVA | 150 | 165 | 181 | 200 | |||||||||
| KW | 120 | 132 | 145 | 160 | ||||||||||
| MGA270-128-4S | KVA | 160 | 175 | 187.5 | 206 | |||||||||
| KW | 128 | 140 | 150 | 165 | ||||||||||
| MGA270-140-4S | KVA | 175 | 192.5 | 205 | 225 | |||||||||
| KW | 140 | 154 | 164 | 180 | ||||||||||
| MGA270-150-4S | KVA | 187.5 | 206 | 225 | 250 | |||||||||
| KW | 150 | 165 | 180 | 200 | ||||||||||
| MGA270-160-4S | KVA | 200 | 220 | 250 | 275 | |||||||||
| KW | 160 | 176 | 200 | 220 | ||||||||||
| MGA270-184-4S | KVA | 230 | 250 | 275 | 300 | |||||||||
| KW | 184 | 200 | 220 | 240 | ||||||||||
| MGA270-200-4S | KVA | 250 | 275 | 300 | 330 | |||||||||
| KW | 200 | 220 | 240 | 264 | ||||||||||
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