50 Hz 60 Hz Electrical Power Transformer Featuring H L Winding Combination Suitable for Electrical Distribution Networks
Product Description: Medium and high voltage transformers that are immersed in oil play a crucial role in electrical power systems by facilitating voltage transformation. These transformers are essential components that help in adjusting voltage levels to meet the requirements of different parts of the power network. One of the key features of these transformers is the use of insulating oil. This oil serves a dual purpose: it acts as a coolant to dissipate heat generated
Product Description:
Medium and high voltage transformers that are immersed in oil play a crucial role in electrical power systems by facilitating voltage transformation. These transformers are essential components that help in adjusting voltage levels to meet the requirements of different parts of the power network.
One of the key features of these transformers is the use of insulating oil. This oil serves a dual purpose: it acts as a coolant to dissipate heat generated during operation, and it provides electrical insulation to prevent short circuits and equipment damage.
Thanks to the cooling and insulating properties of the oil, these transformers can operate reliably even under heavy load conditions. This ensures the stability and efficiency of the power system, minimizing the risk of failures and maintaining continuous electricity supply.
Features:
The medium and high voltage oil-immersed transformers offer numerous advantages that make them highly reliable and stable. Their excellent insulation properties and strong resistance to short circuits ensure consistent and safe operation under varying electrical conditions.
One key benefit of these transformers is their efficient cooling system. The use of oil, which has superior heat dissipation capabilities, effectively reduces energy loss by maintaining optimal operating temperatures during usage.
Moreover, the oil’s high dielectric strength provides robust insulation, significantly minimizing the risk of arc breakdowns. This strong insulation performance contributes to the longevity and safe performance of the transformers.
In terms of cost, these transformers are quite economical. Despite growing environmental concerns, mineral oil remains a widely used insulating medium, offering a cost-effective solution without compromising on performance.
Additionally, the compact design of these transformers, featuring axial symmetry and dual high-voltage outputs, enhances their portability. This makes them particularly suitable for applications such as power transmission, substations, and equipment testing.
Technical Parameters:
The transformer has a capacity of up to 120 MVA, designed to handle substantial electrical loads efficiently.
It operates at a primary voltage level ranging from 33 kV to 110 kV, while the secondary voltage level varies between 10 kV and 69 kV.
The pressure regulating equipment is tailored specifically according to customer requirements to ensure optimal performance.
Short circuit impedance values are also customized based on the particular specifications needed for each application.
For cooling, the transformer employs an oil-immersed, air-cooled method (ONAF), which helps maintain stable operating temperatures.
The temperature rise is limited, with the top oil temperature not exceeding 95°C when the surrounding environment is at 40°C.
Additional details include compliance with the standard operating regulations for oil-immersed transformers as specified in GB 1094.1-2013.
This transformer is typically applied in distribution networks where 110 kV substations are stepped down to 35 kV, making it ideal for such scenarios.
Applications:
The TNNPI Oil Immersed Power Transformer, model SZ, manufactured in Zhengzhou, is a highly reliable and efficient solution designed to meet the demanding requirements of modern power systems. With certifications such as CE and ISO, this transformer guarantees quality and safety, making it a preferred choice in various application occasions and scenarios.
This transformer is ideal for use in power distribution networks where low frequency characteristics (50 Hz / 60 Hz) are essential. Its rated power options range from 5000kVA, 10000kVA to 20MVA, accommodating a wide spectrum of power demands. The three copper winding coil design ensures excellent electrical conductivity and durability, contributing to the transformer's outstanding performance.
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