GTXGN-12 Solid Insulated Ring Main Unit
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35kV photovoltaic booster station
35kV photovoltaic booster station
The 35kV photovoltaic booster station is a device that converts the DC electricity generated by solar power systems into high-voltage AC power. The core principle involves using power equipment such as transformers and inverters to step up the voltage. Solar panels absorb sunlight and convert it into DC electricity, which is then sent to the photovoltaic booster station. The station uses transformers to raise the voltage of the DC power to a level suitable for connecting to the grid, as the DC voltage from solar generation is typically too low for direct grid connection.
Key Features:
Integrated Design: The 35kV photovoltaic booster station is a compact, all-in-one unit that includes a low-voltage incoming cabinet, dual-split transformers, and a high-voltage outgoing cabinet.
Efficient Layout: The system is arranged in a “目” or “L” shape, optimizing space while ensuring each component is easily accessible for maintenance.
Remote Control Functionality: Equipped with remote communication devices and a power transformer for autonomous operation, ensuring easy management and monitoring.
Perfect for Solar Applications: Specifically designed to meet the needs of photovoltaic power generation, ensuring reliable grid integration for solar power systems.
Why choose the 35 kV photovoltaic step-up substation
The 35kV photovoltaic booster station is a box-type power substation that steps up three-phase AC electricity from solar inverters. It is primarily used for integrating solar power into the electrical grid. The system’s design ensures compactness, ease of maintenance, and remote monitoring, providing a reliable solution for solar energy applications.
Product Advantages
High Integration: Integrated pre-installed design, combining transformers, high-voltage cabinets, low-voltage cabinets, and monitoring systems for easy on-site installation.
Short Construction Period: Prefabricated in the factory and delivered as a complete unit, requiring only basic foundation and wiring on-site, drastically reducing photovoltaic plant construction and grid connection time.
Compact Footprint: The compact structure saves land space significantly compared to traditional civil substations, making it ideal for tight layouts in photovoltaic fields.
Strong Environmental Adaptability: High protection rating, resistant to rain, dust, corrosion, and heat insulation, suitable for outdoor, saline-alkali, and sandy conditions.
Stable and Reliable Operation: Equipped with complete protection, temperature control, and fire safety measures, ensuring safe operation and low maintenance costs.
Flexible Relocation and Expansion: The entire unit is movable and modular, suitable for distributed photovoltaic and temporary power stations, with easy upgrades and modifications.
Excellent Energy Efficiency: Low-loss transformers reduce energy loss during the photovoltaic grid connection process, increasing power generation profits.
Usage Conditions
Ambient Temperature: -25°C to +40°C, with a 24-hour average temperature not exceeding +35°C.
Altitude: Not exceeding 1000m, with special customization required for high altitudes.
Humidity: Daily average ≤ 95%, monthly average ≤ 90%.
Environmental Conditions: Outdoor installation in environments free from severe vibration, corrosive gases, and explosive media.
Site Conditions: The foundation should be level, with good ventilation, no long-term standing water, and adequate space for equipment heat dissipation and maintenance.
Application
The 35kV photovoltaic step-up transformer box is suitable for centralized large-scale photovoltaic power stations, industrial and commercial distributed photovoltaic projects, as well as mountainous and desert photovoltaic projects. It can be used in conjunction with microgrids and energy storage systems, and is also widely applied in rural revitalization and village-level small-scale photovoltaic power stations. It can meet the requirements for photovoltaic power voltage boosting and grid connection in various scenarios.
Model meaning
Technical Parameters
Overall and mounting dimensions(mm)（Reference）
Model meaning
| YB□-G-2500/35 (also commonly used: YB□-G-2000/35, YB□-G-1600/35) | Y: | Prefabricated substation |
| B: | Box-type structure | |
| □: | Structure type (European / Outdoor type) | |
| G: | Photovoltaic power generation use | |
| 2500/2000/1600: | Rated capacity kVA | |
| 35: | Rated voltage 35kV (high-voltage side) |
Technical Parameters
| Item | Specification |
|---|---|
| Model | YB□-G-1600/35, 2000/35, 2500/35 |
| Rated Capacity | 1600 / 2000 / 2500 kVA |
| System Voltage | HV: 35 kV; LV: 0.69 kV / 0.8 kV |
| Rated Frequency | 50 Hz |
| Number of Phases | Three-phase |
| Vector Group | Dyn11 |
| Impedance Voltage | Approx. 6.5% |
| Cooling Method | ONAN / AF (Oil Natural Air Natural / Air Forced) |
| Degree of Protection | IP54 |
| Operating Environment | Outdoor, -25°C to +40°C, altitude ≤ 1000 m |
| Applicable Standards | GB/T 17467, GB 1094, IEC 60076 |
Overall and mounting dimensions(mm)（Reference）
Custom 35kV Photovoltaic Booster Station Solutions for Your Project
(The values can be customized according to local project requirements.)
If you have specific requirements for the parameters, structure, or configuration of the 35kV photovoltaic booster station, please contact us. Our team of account managers, technical engineers, and product consultants will assess your solar power system layout, rated parameters, installation environment, grid connection needs, and project timeline to deliver a tailored electrical solution that matches your exact application scenario.
We can customize rated voltage level, transformer type and capacity, inverter and boost configuration, medium‑voltage switchgear arrangement, protection and control systems, remote monitoring and communication devices, enclosure protection grade, and other key design details to ensure efficient and reliable grid integration of photovoltaic power. The 35kV photovoltaic booster station is a specialized type of box‑type power substation that converts the AC electricity from solar inverters into a higher voltage (typically 35 kV) suitable for grid connection, optimizing system performance and enabling safe power delivery.
This booster station features a compact, all‑in‑one design with integrated low‑voltage incoming cabinets, booster transformers, and high‑voltage outgoing cabinets, arranged in space‑efficient layouts for easy maintenance and operation. These systems support remote control and intelligent monitoring, helping operators manage power flow efficiently and maintain reliable performance in photovoltaic power plants or solar grid connection projects.
Whether your project involves utility‑scale solar farms, distributed generation arrays, or centralized PV installations, our customizable 35kV photovoltaic booster station solutions ensure your solar energy is effectively stepped up and integrated into the electrical grid with high reliability and long‑term operational stability.
FAQ
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