Do you know which locations box type substations are mainly suitable for?
Feb 19, 2024
Do you know which locations box type substations are mainly suitable for?
A box type substation is a factory prefabricated compact indoor and outdoor distribution equipment consisting of high-voltage switchgear, distribution transformers, and low-voltage distribution devices arranged in a certain wiring scheme. It combines the functions of high-voltage power collection, transformer voltage reduction, and low-voltage distribution organically, and is installed in a moisture-proof, rust proof, dustproof, rodent proof, fireproof, anti-theft, heat-insulating, fully enclosed, and movable steel structure box for fully enclosed operation, Especially suitable for urban network construction and renovation, it is a new type of substation that has emerged after civil engineering substations.
Box type substations are suitable for mining, factory enterprises, oil and gas fields, and wind power stations. They replace the original civil engineering distribution rooms and stations, becoming a new type of complete power transformation and distribution equipment. Box type substations are suitable for residential communities, urban public substations, bustling markets, construction power sources, etc.
Applicable places for box type substations
1. Used as a street light box transformer:
Both European and American style box transformers have advantages over traditional civil engineering electrical rooms in small load power systems. Box type substations have a much lower cost compared to ordinary electrical rooms, and their appearance is also very beautiful. European style box type substations can also use landscape type shells, which is a beautiful scenery.
2. Electricity consumption in parks and communities:
Box type substations are often used for power supply in parks, residential areas, and other places. Parks and residential areas often pursue aesthetics and occupy space. Box type substations solve these two problems well, with beautiful appearance and small footprint.
3. Industrial and mining electricity:
Factories, mines, and other areas have high requirements for power supply equipment due to their complex terrain and high time costs. Box type substations are easy to install, require less on-site construction, and have a protection level of IP33, which can greatly reduce construction volume and duration. They are installed in areas with complex terrain.
4. Temporary electricity usage:
The construction unit often changes the location of electricity consumption with the relocation of the construction site, so a set of movable distribution equipment is needed. The box type substation has good mobility and sufficient load capacity, which can fully meet the temporary electricity needs of the construction site.
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| 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 | |
| Maximum operating voltage | kV | 24 | 24 | |
| Rated current | A | 400 | 400 | |
| Rated short time current | kA | 16 | 16 | |
| Rated power frequency withstand voltage | kV | 50 | 50 | |
| Rated impulse withstand voltage (peak value) | k-^peak | 125 | 125 | |
| Insulating medium | SF6/air | SF6/air | ||
| Protection class | lP4x | lP4x | ||
| Rated fuse current (for transformer cubicle) | ||||
| for 50 kVA transformer | A | 200 | ||
| for 100 kVA transformer | A | 200 | ||
| for 160 kVA transformer | A | 200 | ||
| for 250 kVA transformer | A | 200 | ||
| Dimensions of switchgear | mm/mm/mm | Shall be submitted during detailed Engg. | ||
| 1.6.2 | 0.4 kV Distribution Board | Chnt / Equivalent | ||
| Manufacturer | - | |||
| Type | - | Indoor | ||
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