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Used MITSUBISHI S12H-PTA 10.5KV 1060kw water cooled 12 cylinders diesel generator
| standby power(kw) | 1060 | power(kw) | 850 |
| Fuel consumption (g/kw.h) | 200 | LP7m noise (dB) | 102 |
| Size(L*W*H) | 4900*1750*2500 | Weight(kg) | 11090 |
| Control system | LCD | cylinder | 12 |
The high-voltage generator is composed of diesel and heavy oil. It has the characteristics of high voltage regulation accuracy, good dynamic performance, small voltage waveform distortion, high efficiency, compact structure, convenient maintenance, reliable operation, long service life and good economic performance.
In general communication hub, low-voltage generator set can solve the problem of standby power supply. In large communication hubs, especially large IDC, it is more suitable to use high-voltage generators. That is to say, the high-voltage generator set is suitable for the scenario where the load required by the oil engine is large and the diesel engine room is far away from the load, so the large-capacity generator set is needed. The single-unit capacity of high-voltage generating units is relatively large, mainly concentrated in more than 1000kW. Taking Caterpillar 10 kV generating unit as an example, its single unit capacity is 1000 kVA-3100 kVA in 1500 r/min series and 2688 kVA-7150 kVA in 1000 r/min series.
The application of high-voltage generator set leads to the problem of the conversion point between generator set and municipal power. In 380V low-voltage system, the conversion point between generator set and municipal power is naturally at the low-voltage side. For high-voltage generating units, if the low-voltage side is still switched with the local power supply, there will be many switching points due to the decentralization of low-voltage load, which will increase the complexity of the system. Therefore, in the case of using high-voltage generating units, the scheme of switching between high-voltage side and municipal power is usually adopted.
High-voltage units are used in emergency standby power supply systems such as metallurgical enterprises, airports and data centers. Because the output voltage of the units is 10 kV in line with the voltage of the original power supply system, they can be directly connected to the power supply system, which saves a lot of equipment investment in power supply and distribution systems. At the same time, due to the high output voltage and low output current of the unit, the power loss in the power transmission process is the smallest, which is suitable for long-distance transmission.
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