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electric power distribution substation mini power plant
1,Outline
YBW series of prefabricated substation, is the high-voltage electrical equipment, transformers, low voltage electrical equipment, such as a combination of a compact power distribution unit for urban high-rise buildings, urban and rural construction, residential areas, high-tech development zone, small and medium sized factories, mines oil and electricity and other temporary construction sites, power distribution system for receiving and distributing electric energy.
1 Altitude less than 1000m;
4,Main technical parameters
| Project | Nuit | High-voltage electrical apparatus | Transformer | Low-voltage electrical Apparatus |
| Rated voltage Ue | kV | 7.2,12 | 6/0.4,10/0.4 | 0.4 |
| Rated capacity | kvA | |||
| Rated current | A | 200~630 | 100~3000 | |
| Rated breaking current | A | Load switch400~630A | 15~63 | |
| kA | Composite apparatus depend on fuse | |||
| Rated short-time withstand current(s) | KA(xs) | 20X(2) | 200~400kvA | 15X1 |
| kA(xs) | 12.5X(4) | 400kvA | 30X1 | |
| Rated peak-value withstand current | kA | 31.5,50 | 200~400kvA | 30 |
| kA | 31.5,50 | 400kvA | 63 | |
| Rated making current | kA | 31.5,50 | ||
| Short-duration power frequency withstand voltage (1min) | kA | Interphase,phase-to-earth 32,40 | Oil immersed:35/5min | less than or equal to 300V:2kV |
| kA | Between open contact34,48 | Dry-type:28/5min | 300~600V:2.5kV | |
| Lighting impulse withstand voltage | kV | Interphase,phase-to-earth 60,75 | 75 | |
| kV | Between open contact75,85 | |||
| Nosie level | dB | Oil immersed:<55 | ||
| Dry-type:<65 | ||||
| Protection class | IP23D | |||
| Overall dimensions | According to transformer’s capacity and type, select different dimensions | |
||
5,Structural features
1. This product is coupled by high voltage power distribution equipment, transformers and low voltage distribution equipment together, divided into three functional compartments, namely high-pressure chamber, transformer chamber and the low, high and low pressure chamber fully functional. Once the high side power supply system, which can be arranged into a variety of power supply ring network, terminal power supply, dual power supply, etc., can be installed high-pressure measurement device, to meet the requirements of high-pressure metering, transformer room choose S9, S11, and other low-loss oil-immersed transformers and dry type transformers, transformer room with forced air cooling system from the start and lighting systems, low pressure chambers desired user power supply solutions based on user requirements can be panel or cabinet-mounted structure, power distribution, lighting distribution power, reactive power compensation, power metering and power measurement and other functions, to meet the different requirements of users, and user-friendly power management and improve the quality of power supply.
2. compact high-pressure chamber and reasonable structure, and has a comprehensive anti-misuse interlock function. Transformer when the user is required, can be provided with the track can easily access from both sides of the transformer room door. Each room has automatic lighting device, in addition to high and low pressure chamber selected all the components and reliable performance, easy operation, safe and reliable operation of the product, easy operation and maintenance.
3. use of natural ventilation and forced ventilation in two ways, so good ventilation and cooling. Each transformer chamber and the low air duct, exhaust fan with temperature control, according to the setting temperature can be automatic startup and shutdown, ensure that the transformer full load operation.
Description:
4,Cable through the tube and out the number and diameter can be determined according to the actual situation and out of the location of the user, the tube row center spacing of not less than 200.
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