In the power grid, an inefficient 110KV Main Transformer can waste a lot of electricity. It's even more troublesome if it can't meet special requirements, such as the dry environment needed for a dry-type transformer or the special parameters required for a customizable dry-type transformer. These issues would require additional modifications, which are costly and delay power supply. Hualai Electric's 110KV main transformer is highly efficient and can integrate the core advantages of dry-type transformers and high-efficiency dry-type transformers, support parameter adjustments for customizable dry-type transformers, and incorporate the intelligent functions of dry-type transformers with advanced systems, solving the main transformer problems for power companies.
Hualai Electric's 110KV main transformer has a core-type structure, with the core made of high-permeability silicon steel sheets to reduce hysteresis loss. The windings are made of oxygen-free copper wires, which have good conductivity and generate less heat. It can be switched to dry-type transformer mode according to the scene requirements, suitable for damp and dusty substations, without the need for regular oil injection maintenance. It can also be upgraded to a high-efficiency dry-type transformer to further reduce energy consumption. If customers have special parameter requirements, such as adjusting the voltage ratio and capacity, a customizable dry-type transformer version can be customized, and it can also integrate the intelligent monitoring function of dry-type transformers with advanced systems, allowing real-time monitoring of oil temperature and load current for convenient remote operation and maintenance.
In terms of parameters, this main transformer has a rated capacity of 50MVA-250MVA, meeting the power supply needs of different regional power grids. The rated voltage is 110kV/10kV, with a voltage regulation rate of ≤2.5%, ensuring stable output voltage and no impact on downstream equipment. When used as a high-efficiency dry-type transformer, the load loss is ≤1.2kW/kVA, the no-load loss is ≤0.3kW/kVA, and the efficiency is over 99.5%, which is higher than the standard of ordinary main transformers. The customizable dry-type transformer version can adjust the voltage ratio range to 110±2×2.5%/10kV, adapting to different grid voltage regulation requirements. After integrating the dry-type transformer with advanced systems, the data acquisition accuracy is ±0.5%, and the fault response time is <1 second, enabling timely warning of abnormalities.
When used as a high-efficiency dry-type transformer, Hualai Electric's main transformer has low loss and high efficiency, saving tens of thousands of kilowatt-hours of electricity for a substation in a year. It has a wide range of applications and can be used as a Dry Type Transformer to cope with harsh environments, or as a Customizable Dry Type Transformer to meet special parameters, eliminating the need to purchase different transformers for different scenarios. After integrating with an Advanced System, it can remotely monitor the operating status, reducing the need for frequent manual inspections and lowering maintenance costs. The core, winding materials and manufacturing processes are solid, with an insulation class of H, and it can operate stably in environments ranging from -20°C to 40°C, with a 30% lower failure rate than ordinary main transformers.
In urban substations, this main transformer can be used as a core 110KV equipment in Dry Type Transformer mode, adapting to the humid indoor environment of the substation and eliminating the hassle of oil injection maintenance. In industrial parks, it can be used as a High Efficiency Dry Type Transformer to supply power to high-energy-consuming enterprises, reducing power loss and helping enterprises save on electricity bills. In remote areas with special voltage regulation requirements, a Customizable Dry Type Transformer version can be customized to precisely match local voltage standards. In smart grid projects, integrating it with an Advanced System enables real-time upload of main transformer operation data, facilitating intelligent grid dispatching.
By choosing Hualai Electric's 110KV Main Transformer, power companies can save costs. With reduced energy consumption, the electricity saved in a year can cover 10% of the main transformer's purchase cost. The wide adaptability eliminates the need to purchase different transformers, reducing equipment investment. Intelligent operation and maintenance reduces the frequency of manual inspections, lowering the cost of maintenance personnel by 20%. For enterprise users, stable output voltage reduces equipment failures and ensures continuous production. High efficiency and energy conservation also lower enterprise electricity expenses and increase profits.
Mr. Liu, an engineer from a city power company, said, "The previous main transformer had low efficiency and wasted a lot of electricity in a year. After switching to thisHualai Electric model as a High Efficiency Dry Type Transformer, the loss has decreased significantly, saving over 50,000 kWh of electricity a year. It also supports intelligent monitoring, making inspections easier." Mr. Wang, the manager of an industrial park, commented, "Our park has a large electricity consumption. This main transformer not only has high efficiency but can also be customized to meet the special voltage requirements of the park. It has been in use for two years without any faults, ensuring stable power supply." Mr. Zhang, an engineer working on a smart grid project, recommended, "After integrating with an Advanced System, it provides accurate data collection and fast fault response, enabling remote operation and maintenance of the main transformer. Now, this brand is our first choice for the project."
