4500 kVA Substation Transformer

Power Rating: 4500 kVA, 4.5 MVA

Primary Voltage Ratings: 13.8kV

Secondary Voltage Ratings: 380V

H.V. TAP RANGE: 13110V-14490V

CONNECTION TYPE: Dyn11

TYPE: S(F)-4500/13.8/0.38 Transformer

BIL: 30-95kV

Standards: IEEE C57.12.00,C57.12.90

The 4500 kVA rating provides substantial capacity for handling large power demands at the distribution substation level. The higher voltage transformation ratio and additional cooling features allow it to safely manage the higher power flows.

This high-capacity transformer is typically installed at the central hub of a large electrical power transmission and distribution network. It connects to the high-voltage transmission lines and plays a crucial role in stepping down the high voltage (138 kV) to the medium distribution voltage (13.8 kV).

A typical application scenario is as follows:

Transmission Side

The high-voltage side of the 4500 kVA transformer connects to the 138 kV transmission lines, receiving the high-voltage power transmitted from distant power generation plants.

Voltage Transformation

The transformer's internal winding structure efficiently transforms the 138 kV voltage down to the 13.8 kV medium voltage. This 10:1 voltage step-down ratio is essential for the power distribution network.

Distribution Side

The transformer's low-voltage side provides a stable and reliable 13.8 kV medium-voltage supply to the surrounding industrial facilities, commercial centers, or urban areas.

Voltage Regulation

The transformer is equipped with an on-load tap changer (OLTC), which can adaptively adjust the output voltage based on load changes, ensuring that end-user equipment receives the appropriate supply voltage.

Power Capacity

The 4500 kVA rating provides ample power support for large industrial plants, major cities, or other high-demand loads.

In summary, this high-capacity transformer is a critical node equipment in the power transmission and distribution network, playing a vital role in converting and distributing the high-voltage electricity to the ultimate consumers. Its safe and reliable operation is crucial for the overall stability of the electrical grid.

1.Quality management system GB/T 19001-2016 ISO 9001: 2015

The operation of the whole YAWEI system is strictly controlled and managed. This ensures the quality of products and material in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.

2.CERTIFICATEOFCOMPLIANCE of UL and CUL

YaWei pad mounted transformer have been evaluated by UL in accordance with the U.S and Canada Standard(s). Our transformer certified by UL based on Canadian standards (CSA standards) .

3.Accreditation certificate CE

Standard: EN 60076-1:2011.EN 60076-2:2011EN 60076-14:2013 confirms that YAWEI technical quality meets the requirements of all specific international standards for testing and calibration laboratories. All YAWEI products are fully tested in a qualified testing room before leaving the factory, ensuring stable quality and providing absolute peace of mind for customers.

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