75kVA Single Phase Pole Mounted Transformer

GNEE Electric has successfully exported the 75 kVA pole mounted transformers to esteemed destinations such as the United States, Canada, Guyana, etc. The company ensures that these transformers are designed to meet the specific standards and regulations of each country, guaranteeing seamless integration and optimal functionality.

75kva Single Phase Electrical Power Transformer

75kva Single Phase Pole Mounted Transformer​ Feature

Quality System ISO 9001 certified

Meet DOE Energy Efficiency Standard or exceeds ANSI/IEEE and CSA standards

Lifting lugs

Arrester mounting pads

Cover-mounted high votage porcelain

Bushing(s) with eyebolt terminal

Low voltage bushings wtih eyebolt terminals

Low voltage enutral grounding strap(not shown)(10-50kVA class B-2 and B-3 only)

ANSI support lugs(hanger brackets) with laser inscribed nameplate on lower bracket

Polyester insulated cover

Self-venting and resealing cover assembly

Centerline core/coil assembly support brackets

Low voltage leads

Oil fill plug with cover ground strap

Tank ground pad

Non-PCB Insulating Fluid

1.GNEE 75 kVA 24.94 kV Pole Mounted Transformer for Cameroon

The  75-24.94/0.277-0.48Y with 21 units ordered by the Camelot Clients. The 75 kVA transformer features a high voltage rate of 24940V and a low voltage configuration of 277/480Y V. Equipped with two high voltage bushings and two low voltage bushings, its low voltage is effectively grounded, guaranteeing safe operation.

The transformer comes with five levels of voltage regulation for the high voltage side, ranging from 23963V to 26187V, providing flexibility to adapt to different power requirements.

With a high voltage BIL of 125 kV and a low voltage BIL of 30kV, the 75-24.94/0.277-0.48Y can handle voltage fluctuations and surge protection, ensuring enhanced reliability. Employing the ONAN cooling method.

2.GNEE 75 kVA 13.8 kV Pole Mounted Transformer For Guyana

The 75-13.8/0.12-0.24, is the single-phase pole mounted transformer made by GNEE Transformer and exported to Guyana.

With a power rating of 75 kVA, the 75-13.8/0.12-0.24 features two high-voltage (HV) bushings and three low-voltage (LV) bushings, a five-position tap changer.

The transformer's on-load loss is measured at 215W, while the no-load loss is 720W, resulting in a total loss of 935W. This efficiency optimizes energy usage and minimizes wastage, making it an environmentally-friendly choice.

Weighing 400kg in total, the 75-13.8/0.12-0.24 boasts a well-balanced construction. Of this weight, 103kg is attributed to the oil content, ensuring effective cooling and insulation, while the active part weighs 260kg, guaranteeing optimal performance. The 75 kVA transformer dimension is 710*610*1050 mm.

3.GNEE 75 kVA 2.4 kV Pole Mounted Transformer Ethiopia

The 75-2.4/0.277-0.48Y is the single-phase pole mounted transformer crafted by GNEE Transformer for Ethiopian customers. This 75 kVA transformer features a primary voltage of 2.4 kV and a secondary voltage of 012/0.24 kV.

Designed to meet Ethiopian standards and regulations, the 75-2.4/0.277-0.48Y is equipped with a high-voltage bushing, along with one H2 terminal and four low-voltage bushings. Ensuring safety and stability, the transformer's high/low voltage is effectively grounded, providing reliable performance.

Additionally, this transformer incorporates a 5-position tap changer on the high-voltage side, offering the flexibility to adjust the voltage ratio to meet varying load conditions, further enhancing its versatility and efficiency.

Each of the 21 sets of 75 kVA pole mounted transformers purchased by our Camelot customer undergoes a rigorous routine test before shipment, strictly adhering to the ANSI C57.12.20 standard. This comprehensive testing process is designed to ensure that every transformer meets the highest quality and safety standards.

The routine test comprises a series of critical evaluations:

• Voltage Ratio Measurement and Connection Group Test: Precisely verifies the voltage ratio accuracy and ensures the correct connection group configuration.
• Winding Resistance Test: Thoroughly examines the winding resistance to ensure the integrity and performance of the transformer's windings.

• Insulation Resistance Measurement: Assesses the insulation quality to guarantee the transformer is effectively insulated against electrical leakage.

• AC Power Withstand Voltage Test: Subjects the transformer to high voltage to assess its ability to withstand electrical stress during operation.

• No Load Loss and No Load Current Test: Evaluates the transformer's energy efficiency and measures any losses during no-load operation.

• Induced Pressure Test: Verifies the mechanical strength to ensure the transformer can withstand mechanical stress during operation.

• Impedance (%) and Load Loss Test: Measures the transformer's impedance and evaluates its performance under load conditions.

Upon the successful completion of the routine test, a detailed routine test report is meticulously prepared for each individual transformer. This comprehensive report serves as a testament to the transformer's compliance with strict standards and its top-notch quality.

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