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Smart Manufacturing
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Project
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ZGS-Z(H) Combined Transformer (American Style)
Hengxuan Electric is committed to providing customers with research and development, production, sales, and installation (repair, testing) of complete electrical equipment and comprehensive supporting services.
Keywords: High and Low Voltage Complete Sets | Box-type Substation | Power Transformer
- Description
- Technical Specifications
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High-voltage/low-voltage prefabricated substation (American style) is a compact power device integrating high-voltage switchgear, transformer, and low-voltage distribution equipment. It is widely used in urban distribution networks, residential communities, commercial centers, and other places. Its core feature is the integrated design that combines high-voltage load switches, fuses, and transformers within a sealed oil tank. The structure is compact and occupies a small footprint, making it especially suitable for installation environments with limited space. The American-style substation usually adopts a ring network power supply mode, providing high power supply reliability and meeting the needs of small to medium distribution projects. It is easy to install, has a short on-site construction period, and can significantly reduce project costs. In addition, the American-style substation has good environmental adaptability and can operate stably under various harsh climate conditions.
The core advantages of the American-style substation lie in its fully sealed structure and efficient heat dissipation performance. The transformer and high-voltage switch components are immersed in insulating oil, which not only improves the insulation performance of the equipment but also effectively dissipates heat, ensuring long-term stable operation. The high-voltage part uses a combination of load switches and fuses for protection, while the low-voltage part is equipped with circuit breakers, providing comprehensive overload and short-circuit protection. The equipment enclosure is made of corrosion-resistant materials, featuring waterproof, dustproof, and explosion-proof properties, suitable for outdoor installation. The American-style substation is also equipped with pressure relief devices and oil level indicators, facilitating daily monitoring and maintenance, further enhancing the reliability and safety of the equipment.
In terms of environmental protection and economy, the American-style substation also performs excellently. Its fully sealed design prevents insulating oil from contacting the external environment, reducing the risk of environmental pollution. The equipment operates efficiently with low energy consumption, effectively reducing power loss and operating costs. Moreover, the initial investment and maintenance costs of the American-style substation are relatively low, making it suitable for small to medium projects with limited budgets. Its modular design also supports future expansion and upgrades, meeting the continuously changing power demands of users. In summary, the high-voltage/low-voltage prefabricated substation (American style) is an ideal choice for urban distribution networks and small to medium distribution projects due to its compact design, reliable performance, and economical cost.Product Features:
Compact Structure
The American-style substation adopts an integrated design that combines high-voltage switches, transformers, and low-voltage equipment within an oil tank. It is small in size, flexible in installation, and especially suitable for space-limited locations such as urban streets or residential areas.
Reliable Operation
With a fully sealed structure, the transformer and switch components are immersed in insulating oil, providing excellent heat dissipation and insulation performance. It operates stably with a low failure rate, suitable for long-term outdoor use.
Easy Maintenance
The American-style substation features a simple design with main components sealed inside the oil tank, requiring minimal maintenance. It is equipped with pressure relief devices and oil level indicators, facilitating daily monitoring and maintenance.
Safety Protection
The oil tank is made of corrosion-resistant materials and has explosion-proof and fire-resistant functions. The high-voltage part is protected by fuses, and the low-voltage part is equipped with circuit breakers, ensuring the safety of equipment and personnel.
Economical and Practical
The American-style substation has low costs, with minimal installation and maintenance expenses, suitable for small to medium distribution projects. Its efficient and energy-saving design reduces operating costs, offering high cost performance.
Environmental Adaptability
It has good waterproof and dustproof performance, adapting to various harsh environments. The fully sealed design effectively prevents external contamination, extends service life, and is suitable for a wide range of geographic and climatic conditions.
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Project Unit Parameter Rated Voltage Primary Side kV 10/20 Secondary Side 0.4 Maximum Operating Voltage kV 12/24 Rated Frequency Hz 50 Rated Capacity kVA 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600 1-Minute Power Frequency Withstand Voltage kV 42 (excluding transformer) 35 (transformer), 55 BIL Impulse Withstand Voltage kV 75/125 Cooling Method Oil-immersed Self-cooled No-load Tap Changer kV ±2×2.5% Ambient Temperature ℃ -45~+40 Allowable Top Oil Temperature Rise of Transformer K ≤55 Low Voltage Winding Temperature Rise of Transformer K ≤65 High Voltage Winding Temperature Rise of Transformer K ≤65 Noise Level dB ≤55 Protection Level IP33
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