What are the drawbacks of the box transformer casing
May 15, 2023
What are the drawbacks of the box transformer casing？
1. Maintenance issues
Due to the scattered distribution and small area of box transformer casings located in rural or urban areas, it is not possible to arrange specialized personnel for daily maintenance and repair. Moreover, the distribution of box transformer casings is relatively wide, and it is difficult to arrive at the site for repair in a timely manner in the event of an accident. Personnel cannot be in place immediately, which is a major drawback of box transformer casings from beginning to end and is difficult to overcome.
2. Fire prevention issues
Although the casing of the box transformer is filled with fire-resistant materials and there is also a fire prevention and alarm system inside, it has no dedicated person on duty to guard it and is in a fully enclosed mode, which still poses significant safety hazards. The cables, compensation capacitors, and other components inside are more prone to fire.
In order to avoid the serious consequences of a fire, it is necessary to install an automatic fire extinguishing system. When the alarm detects a fire hazard, it can control the automatic fire extinguishing system to extinguish the fire and extinguish a large area of the box transformer casing. This method can effectively reduce the harm caused by the fire, but it also relatively increases the cost of the box transformer.
3. Expansion issues
The main advantages of the box transformer are its small size, increased floor area, and reduced manufacturing costs. However, it can also bring certain troubles, such as difficulty in cable laying and insufficient equipment installation space. There is no more space available inside the casing, which can only be achieved by increasing the number of box transformer casings, which increases the production cost of the substation. If the additional box transformer casing space cannot be fully used, it will cause waste
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Togo customer
| TECHNICAL REQUIREMENTS AND CHARACTERISTICS OF EQUIPMENT | ||||
| Re:82 sets compact substation | ||||
| Item- No. |
Schedule of Technical Data | Unit | Required (at 3000 m |
Offered Data |
| System Data Requirements | ||||
| 1.05.10 | Stranded copper conductor for earthing | |||
| Manufacturer | - | |||
| Material | - | copper | ||
| Cross-section | mm2 | >50 | ||
| Length | m | >40 | ||
| 1.05.11 | Earthing rods | |||
| Manufacturer | - | |||
| Type | - | |||
| Materia! | - | |||
| Length | m | |||
| Sections per rod | pcs | |||
| 1.6 | Compact Substations (Option 1) | |||
| Manufacturer | - | fengyuan | ||
| Type | - | OutDoor | ||
| Overall protection class for complete substation | - | IP 44 | IP 44 | |
| Material of enclosure | - | GI | ||
| Overall dimensions (W x L x H) | ||||
| for S/S with 1x50 kVA transformer | mm/mm/mm | 3000x1850x2150 | ||
| ■ for S/S with 1x100 kVA transformer | mm/mm/mm | 3000x1850x2150 | ||
| for S/S with 1x160 kVA transformer | mm/mm/mm | 3000x1850x2150 | ||
| • for S/S with 1x250 kVA transformer | mm/mm/mm | 3000x1850x2150 | ||
| Overall weight | ||||
| ■ for S/S with 1x50 kVA transformer | kg | 1000kg. | ||
| ■ for S/S with 1x100 kVA transformer | kg | 1000kg. | ||
| ■ for S/S with 1x160 kVA transformer | kg | 1000kg. | ||
| ■ for S/S with 1x250 kVA transformer | kg | 1000kg. | ||
| 1.6.1 | 20 kV Switchgear equipment | |||
| Manufacturer | - | Chnt / Equivalent | ||
| Type | - | Indoor RMU | ||
| Rated voltage | kV | 20 | 20 | |
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