●Three phase in, three phase out | |||||
●True On-line double conversion design providing all power protection | |||||
●Sine wave pluse width modulation | |||||
●Double DSP digital control | |||||
●LCD with control panel | |||||
●Remote managerment | |||||
●Advanced Battery Management | |||||
●Parallel redundant | |||||
●Self diagnose | |||||
●low noise | |||||
●Wide input voltage range | |||||
●High efficiency cuts down your expense |
Overview |
Model | SKTT series | |||||||||
Capacity | 10KVA | 15KVA | 20KVA | 30KVA | 40KVA | 60KVA | 80KVA | 100KVA | 120KVA | |
Power(W) | 8KW | 12KW | 16KW | 24KW | 32KW | 48KW | 64KW | 80KW | 96KW | |
Power Factor | 0.8 | |||||||||
Input |
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Phase | 3 phase 4 wire and ground | |||||||||
Voltage Range | ±20% | |||||||||
Frequency Range | 45~65HZ | |||||||||
Rectifier | 3 phase 6 pulses | |||||||||
Output |
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Phase | 3 phase 4wire and ground | |||||||||
Wave form | Sine wave | |||||||||
Crest Factor | 0.125694444 | |||||||||
Rated voltage | 380/400/415V optional | |||||||||
Phase voltage setting | 200-244VAC(control panel) | |||||||||
Transient response | ±5%,10ms | |||||||||
Frequency | 50/60HZ | |||||||||
Frequency stability | ±0.05% | |||||||||
Range of phase lock | With synchronization;±0.05% Without synchronization;±2%(settable±1% on the control panel) | |||||||||
Total harmonic distortion | 3%(linear load) | |||||||||
Short circuit current | Short current for 0.1s(200%current) | |||||||||
Overload capacity | 110% / 125% / 150% rated current 300min / 10min / 1min | |||||||||
Battery |
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Battery | Maintenance free lead-acid cell | |||||||||
DC Voltage | 384VDC | 432VDC | 480VDC | |||||||
Bypass |
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Type | Static state + manual maintenance bypass | |||||||||
Input Phase | 3 phase 4 wire and ground | |||||||||
Input voltage range | ±15%(the front control panel selectable) | |||||||||
Input frequency range | ±1%~±5% the front control panel selectable | |||||||||
Transfer time | Inverter / bypass transfer switch time(Overload):0ms inverter / bypass transfer switch time(fault inverter)1ms | |||||||||
Overload capacity(10min) | 170% | 180% | 170% | 170% | 170% | 140% | 130% | 125% | 125% | |
System |
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Remote signaling | Dry contact(battery low,battery discharging,bypass/fault); output 12Vdc/80mA | |||||||||
Remote control | EPO and bypass | |||||||||
Communication interface | RS232(SNMP,modem optional) | |||||||||
Running temperature | 0-40 degree Celsius | |||||||||
Relative Humidity | Less than 95%(without condensing) | |||||||||
Altitude | 1000m output nominal power (with increase of 100m,it will reduce output of 1%)max 4000m | |||||||||
Noise at 1M | less than 60dB | |||||||||
Inverter Efficiency | 92% | 93% | ||||||||
Degree of protection | IP20 | |||||||||
Applicable Standards | EN50091-1-EMC EN50091-2liv.A | |||||||||
Optional | Isolating transformer | |||||||||
Harmonic wave suppression filter | ||||||||||
Parallel modules can be up to six | ||||||||||
Net weight(Kg) | 200 | 230 | 230 | 330 | 330 | 520 | 555 | 900 | 900 | |
Gross weight(Kg) | 230 | 260 | 260 | 360 | 360 | 580 | 615 | 970 | 970 | |
Packing(W×D×H) | 660×860×1430 | 950×890×1620 | 1200×810×1540 |