Jiangsu Huachen Transformer Co.,Ltd.
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The New Energy Box-Type Substation for Photovoltaic Power Generation is mainly used as step-up equipment in photovoltaic power generation systems. It receives power from the grid-connected inverter, increases the voltage through the step-up transformer, and transmits electricity to the grid through 10kV or 35kV output lines.
By integrating high-voltage equipment, transformer, protection components, low-voltage switchgear and auxiliary devices into one prefabricated structure, the product helps simplify the layout of photovoltaic power stations. Its compact design, fully sealed oil tank, outdoor enclosure protection and optional monitoring configuration support stable operation in photovoltaic grid connection applications.
The substation has a compact structure and occupies a small installation area. The external radiator design improves heat dissipation performance and supports stable operation in photovoltaic power generation projects.
The product adopts a new transformer series technology with a rational structure and reliable safety performance. It is suitable for high-voltage/low-voltage prefabricated substation applications in renewable energy power systems.
Transformer oil is used as the insulating medium for the 10kV or 35kV high-voltage components. This helps reduce the required safety distance and supports a more compact equipment layout.
The oil tank adopts a fully sealed structure, isolating the transformer oil from the atmosphere. This greatly reduces oil oxidation and moisture intrusion, helping improve system stability, reliability and safety.
The plate-type radiator is easy to disassemble, making maintenance more convenient.
The enclosure is treated with a special shot-blasting process, providing good corrosion resistance and UV resistance. It can also help resist wind and sand erosion in outdoor installation environments.
The low-voltage side adopts intelligent circuit breakers and molded-case air switches. These components provide high breaking capacity and good protection performance.
The transformer oil tank can be equipped with pressure gauges and temperature gauges with communication interfaces. The load switch can also be equipped with a travel switch, supporting remote monitoring, operation and maintenance of the transformer.
The cabinet adopts a fully sealed design. The protection grade of the high-voltage and low-voltage compartments can reach IP54, while the transformer body can reach IP68.
Standard No. | Standard Description |
|---|---|
JB/T 10217 | Combined Transformer |
GB 1094 | Power Transformer |
GB/T 6451 | Technical Parameters and Requirements for Oil-Immersed Power Transformers |
GB 11022 | General Technical Requirements for High-Voltage Switchgear |
GB/T 16927 | High-Voltage Test Techniques |
GB 311.1 | Insulation Coordination for High-Voltage Power Transmission and Transformation Equipment |
GB 50150 | Standard for Handover Test of Electrical Equipment Installation Engineering |
GB/T 5273 | Terminals for Transformers, High-Voltage Apparatus and Bushings |
GB 4208 | Degrees of Protection Provided by Enclosures, IP Code |
GB/T 191 | Packaging Pictorial Markings for Handling of Goods |
Item | Requirement |
|---|---|
Ambient air temperature | -40°C to +45°C |
Altitude | ≤4500m; plateau-type design is required when altitude is above 2000m |
Outdoor wind speed | ≤35m/s |
Relative humidity | Daily average ≤95%; monthly average ≤90% |
Pollution grade | Class II, III and IV |
Seismic intensity | Grade 8 |
Installation site | No fire hazard, explosion risk, serious pollution, chemical corrosion or severe vibration |
The New Energy Box-Type Substation for Photovoltaic Power Generation is suitable for photovoltaic power stations that require voltage boosting and grid-connected output. It can step up the voltage from the photovoltaic inverter side to 10kV or 35kV and transmit power through medium-voltage lines.
For photovoltaic power generation projects, Huachen provides product selection and configuration support according to project voltage level, grid connection requirements, installation environment and monitoring needs. The integrated structure helps simplify equipment arrangement and supports a more compact and organized PV power station layout.
Huachen provides support for product selection, manufacturing, testing, installation and after-sales service. For photovoltaic step-up substation projects, the technical team can assist with product configuration, project communication, production coordination, testing support, installation guidance and delivery support according to project requirements.
With manufacturing capability, testing capability and project service experience, Huachen supports customers in applying new energy box-type substations to photovoltaic power generation and grid-connected power distribution projects.
The New Energy Box-Type Substation for Photovoltaic Power Generation is mainly used in photovoltaic power generation systems and other renewable energy projects that require 10kV or 35kV step-up grid connection.
It is suitable for outdoor photovoltaic power station applications where compact structure, reliable insulation, sealed protection, convenient maintenance and optional remote monitoring are required.
Code | Meaning |
|---|---|
Z | Combined transformer |
G | Common box type |
S | Three-phase |
Winding type | F type or unlisted type |
Performance level code | Transformer performance level |
High-voltage connection scheme | Z terminal / H ring network |
New energy type | G: Photovoltaic / F: Wind power |
Rated capacity | Rated capacity, kVA |
Voltage class | Voltage class, kV |
Its main function is to step up the voltage from a photovoltaic grid-connected inverter or AC generator to 10kV or 35kV, and then transmit the power through 10kV or 35kV lines for grid connection.
The substation integrates high-voltage switchgear, transformer body, protective fuses in the oil tank, low-voltage switchgear and related auxiliary equipment into one prefabricated unit.
The product supports 10kV and 35kV step-up grid-connected output applications.
The fully sealed oil tank isolates transformer oil from the atmosphere, reducing oil oxidation and moisture intrusion. This helps improve system stability, reliability and safety.
The protection grade of the high-voltage and low-voltage compartments can reach IP54, and the transformer body can reach IP68.
Yes. The transformer oil tank can be equipped with pressure gauges and temperature gauges with communication interfaces. The load switch can also be equipped with a travel switch to support remote monitoring, operation and maintenance.
The product can be used at altitudes up to 4500m. When the altitude is above 2000m, plateau-type design should be adopted.
It is suitable for photovoltaic power generation projects that require integrated voltage boosting, medium-voltage output and grid-connected power distribution equipment.
