- Telephone: +86-139-8977-9778
- Email: jack@toonice.com
- English
Photovoltaic Prefabricated Cabin 35kV
Photovoltaic Prefabricated Cabin
The 35kV photovoltaic prefabricated cabin is an integrated complete set of distribution equipment designed specifically for distributed photovoltaic power stations and small centralized photovoltaic power stations. With factory prefabrication and on-site hoisting as the core features, 35kV level circuit breakers, isolation switches, transformers, secondary protection devices and other electrical components are integrated inside the sealed cabin to achieve the collection, switch control, protection monitoring and short distance transmission of photovoltaic energy.
The cabin adopts a modular design, which is suitable for harsh outdoor working conditions of photovoltaic power plants. It has waterproof, dustproof, UV resistant, low-temperature resistant and other characteristics, which can greatly shorten the on-site construction period, reduce the difficulty of on-site installation, and do not require the construction of a separate distribution room, effectively saving land resources. It is an efficient solution for the distribution system of small photovoltaic power plants.
Features
1. Modular integration, efficient construction:
All electrical components are standardized prefabricated and debugged in the factory, and only lifting, wiring, and fixing need to be completed on site. The construction period is shortened by more than 60%, significantly reducing on-site labor input and lowering construction costs.
2. Suitable for small power stations with outstanding cost-effectiveness:
Designed for a voltage level of 35kV, it is compact in size and occupies a small area (only 1/5 of traditional distribution rooms), without the need for large-scale civil engineering. It is suitable for small power station scenarios such as distributed photovoltaics and village level photovoltaics, balancing practicality and economy.
3. Fully sealed protection, suitable for outdoor use:
The cabin is welded with cold-rolled steel plates and has an IP54 or higher protection level, which can effectively resist outdoor rain, snow, sand, mosquitoes, and extreme temperatures (-30 ℃~60 ℃), ensuring long-term stable operation of electrical components and reducing maintenance frequency in the later stage.
4. Intelligent monitoring and convenient operation and maintenance:
Integrated with an intelligent secondary protection system, it can monitor operating parameters such as voltage, current, and power in real time, support remote monitoring, fault alarm, and data upload. Operation and maintenance personnel do not need to be on site, which can achieve remote operation and maintenance and reduce operation and maintenance costs.
5. Flexible adaptation and strong scalability:
It supports flexible adjustment of cabin component configuration according to the installed capacity of photovoltaic power plants, and can seamlessly integrate with inverters, combiner boxes and other equipment. If expansion is needed in the later stage, prefabricated cabin modules can be directly added without the need to modify the original system.
Standard dimensions of 35kV photovoltaic prefabricated cabin (length x width x height): 6m x 3m x 2.8m~10m x 3.5m x 3m (can be customized according to needs); Rated current: 630A~1250A; Short circuit breaking current: 25kA~31.5kA; Protection level: IP54/IP55 (optional); Cabin material: cold-rolled steel plate/color steel plate (optional anti-corrosion coating); Suitable installation capacity: 10MW~50MW photovoltaic power station. Support customized design, adjust cabin size, protection level, and component configuration according to on-site terrain, climate conditions, and customer specific needs to meet the usage needs of different scenarios.
Let’s Get Started
Providing you with the most trusted energy solutions in an unpredictable world.
Contact UsRequest an Insurance Quote
Specification
| Item | Unit | High voltage electrical appliances | Transformer | Low Voltage Apparatus |
| Rated voltage | kV | 6/10 | 6/0.4 10/0.4 | 0.4 |
| Rated capacity | kVA | 50~1600 | ||
| Rated current | A | 200,400,630 | 100~3200 | |
| Rated short-circuit breaking current | A | Load switch 400-630 | ≥30kA | |
| kA | The combination switch depends on the fuse | |||
| Rated short-time withstand current | kA | 20,25(4s) | 30 (1s) | |
| Rated peak withstand current | kA | 50,63 | ≥75 | |
| Power frequency withstand voltage (1min) | kV | Relatively and alternately 28 | 35 (Oil immersed) |
2500V |
| Isolation fracture 32 | 35 (Dry) |
|||
| Lightning impulse withstand voltage (peak value) | kV | Relative and alternating 75 | 75 | 12 |
| Isolation fracture 85 | 85 | |||
| Box protection level | IP32 | |||
| Noise level | db | 55 | ||
| Execution standards | GB/T 17467 “High voltage and low voltage prefabricated substations” | |||
| DL/T537 “Technical Conditions for Ordering 6-35kV Box type Substations” | ||||
Download
Related Products
FAQs
What are the core differences between 35kV photovoltaic prefabricated cabins and traditional distribution rooms?
The core difference lies in “prefabrication” and “integration”: traditional power distribution rooms require on-site civil engineering, installation and commissioning of components one by one, with long cycles and wide land occupation; The prefabricated cabin factory has completed all integrated debugging, and can be put into use immediately after on-site hoisting, reducing the cycle by more than 60%. It occupies only 1/5 of the traditional distribution room and does not require separate civil construction, greatly reducing the initial investment.
Can the 35kV photovoltaic prefabricated cabin adapt to outdoor low temperature, rainstorm and other adverse weather?
Sure. The cabin is of sealed structure, equipped with waterproof sealant strip and anti-corrosion coating, and the protection level can reach IP54 or above, which can resist rainstorm, sand and dust invasion; At the same time, optional cabin heating and insulation devices can be equipped to adapt to extreme temperatures of -30 ℃~60 ℃, ensuring the normal operation of components in cold and hot environments.
Is it difficult to maintain prefabricated cabins in the later stage? Do you need dedicated operation and maintenance personnel to be on duty?
The maintenance difficulty is extremely low, and there is no need for dedicated personnel to be on duty. Integrated intelligent monitoring system in the cabin, which can upload real-time operation data and alarm information. Operation and maintenance personnel can remotely view the equipment status and accurately handle faults on-site; The cabin is designed with maintenance doors and access channels, and daily maintenance only requires regular inspection of sealing and cleaning of the cabin, without the need for complex operations.
What is the approximate service life of a 35kV photovoltaic prefabricated cabin?
Under normal use, the cabin can have a service life of over 25 years, and the internal electrical components can have a service life of 15-20 years. The cabin is treated with anti-corrosion and anti rust measures, which can effectively resist outdoor corrosion; All internal components are selected from well-known brands, undergo strict testing, and have strong stability, which can match the long-term operation needs of photovoltaic power plants.
What acceptance procedures are required after the installation of prefabricated cabins is completed?
After installation, three core inspections need to be completed: first, the cabin installation inspection (checking the lifting and fixing, sealing performance, and grounding situation); The second is electrical performance acceptance (testing voltage, current, insulation performance, and protection function); The third is overall debugging and acceptance (simulating operation to confirm that the equipment is running normally and the data upload is stable). After passing the acceptance, it can be put into use and can cooperate with customers to complete the organization of relevant acceptance materials.
Related Applications
Distributed photovoltaic power station: suitable for distributed photovoltaic projects on the roofs of industrial plants, commercial buildings, and residential areas. The 35kV voltage level can achieve the nearby collection and transmission of photovoltaic energy without the need for long-distance boosting, reducing energy loss. It is suitable for distributed power station scales of 10MW~50MW, solving the problems of limited site and tight construction period of rooftop power stations.
Village level centralized photovoltaic power station: Designed for photovoltaic poverty alleviation and village level collective photovoltaic projects in rural areas, it is compact in size, occupies a small area, and can adapt to idle rural land, mountain slopes, and other sites. It does not require large-scale civil construction, has a short construction period, and can quickly achieve grid connected power generation, bringing stable income to village level collectives and farmers. At the same time, it can adapt to harsh outdoor conditions in rural areas and is easy to maintain.
Small ground centralized photovoltaic power station: suitable for small ground photovoltaic projects with limited land area (such as mountainous and hilly photovoltaic power stations), the 35kV prefabricated cabin can achieve modular layout, and the number of cabins can be flexibly increased or decreased according to the installed capacity, without the need to build large distribution rooms, saving land resources, and having good outdoor protection performance, which can adapt to complex mountain climates.
Photovoltaic energy storage supporting project: As the distribution core of a small photovoltaic energy storage system, the 35kV prefabricated cabin can achieve coordinated control of photovoltaic energy and energy storage batteries, complete switch control and protection monitoring of charging and discharging, adapt to photovoltaic energy storage projects below 10MW, and can flexibly dock with energy storage modules to ensure the safe and stable operation of the energy storage system.
