500 Kva 3 Phase Transformer

This 500 KVA 3-Phase Transformer is tailored for mining sites in Ethiopia, featuring a high voltage of 33KV and a low voltage of 0.4KV. To cope with high-temperature environments, the body structure of this transformer has been optimized with additional oil channels, which facilitate the internal circulation and heat dissipation of transformer oil. Meanwhile, the area of the heat sink has been specially enlarged. After a 24-hour temperature rise test, the temperature rise of this transformer is controlled at 55K.

Product: Distribution Transformer;

Number of Phases: 3-Phase;

Rated Power: Up to 31500 KVA (3-Phase);

Primary Voltage: 33KV;

Secondary Voltage: 400V;

Vector Group: Dyn11;

Customizable Production: Available.

The ever-upgrading power supply environment and diversified power demands call for customized transformers. Our company provides customized production of transformers according to customer requirements. Upon receiving the technical documents submitted by customers, our technical team will issue a technical response within 24-48 hours. After the technical documents are confirmed, sample production can be completed in approximately 10 days for customer inspection and acceptance; the delivery time for bulk orders is negotiable between both parties.

√ 1. High heat dissipation efficiency with transformer oil or synthetic oil;

√ 2. Stable insulation performance and long service life: Under regular maintenance, the designed service life of oil-immersed transformers reaches 25-40 years, far exceeding that of dry-type transformers (about 20-30 years), making them particularly suitable for long-term outdoor operation or unattended scenarios.

√ 3. Strong overload capacity and excellent short-circuit resistance;

√ 4. Significant cost advantage and high cost-effectiveness;

√ 5. Adaptable to various operating environments with low maintenance costs;

√ 6. Flexible installation for outdoor and underground scenarios: Oil-immersed transformers can be designed as prefabricated box-type substations, integrating high-voltage switches, low-voltage distribution components, etc. They can be directly installed outdoors without the need for a separate control room, saving civil engineering costs.

Some models (such as underground oil-immersed transformers) are suitable for special installation environments like underground substations, and adopt a sealed design to prevent oil leakage pollution, meeting the trend of "buried" urban power grids. The 500 KVA 3-Phase Transformer inherits all the above advantages, and its optimized heat dissipation structure makes it more reliable in high-temperature mining areas.

Engineers from Hozee Electric have specially designed the transformer body structure with multiple oil channels and a fully sealed shell, based on the high-temperature and dusty climatic characteristics of Ethiopia, to better adapt to local operating environment requirements.

Winding:

Increasing the number of oil channels during winding can promote the flow of transformer oil and dissipate heat

Finished transformer

Container shipping

The application scenarios of oil-immersed transformers focus on "large capacity, outdoor operation, long-term service, and complex environments", making them irreplaceable in fields such as power transmission and distribution, heavy industry, and energy grid connection. Although dry-type transformers have advantages in buildings and clean environments, oil-immersed transformers remain the core equipment of the global power system due to their balanced performance and cost.

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