75 kVA pole mount transformer designed and manufactured by Yongxing Transformer in China

Essential accessories for 75 kVA pole mount transformers from Yongxing Transformer.

Top best insulating oil used in 75 kVA pole mount transformers by Yongxing Transformer

75 KVA Pole Mount Transformer Manufacturer Factory

Primary Voltage: 12,000V or customized
Secondary Voltage: 480/270V or customized
Connection Type: Single phase or customized
Standards: IEEE, CSA, DOE
Power Rating: 75 kVA
Transformer Type: Pole mount Transformer
Certificates: UL, cUL, CSA, SGS, GOST

Yongxing Transformer manufactures 75 kVA pole mount transformer for residential, commercial, and light industrial applications. With a primary voltage of 12,000V and a secondary voltage of 480/270V, these transformers meet the power distribution needs of smaller-scale operations. In 2023, we supplied 20 units to a renewable energy project in Thailand. Featuring copper windings, mineral oil cooling, and a durable NEMA-type enclosure, they provide reliable performance in both urban and remote locations. Certified by UL, cUL, CSA, SGS, and GOST, they meet the highest safety standards. Custom options, including insulation materials and protection systems, are available to meet specific needs.

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75 kVA Pole Mount Transformer Specifications – 12,000V Input

Specification	Parameter	Specification	Parameter
Energy Efficiency	ANSI C57.12	Frequency	60 Hz
No-Load Loss	215W	Vector Group	I0
Load Loss	720W	Color	Gray
Total Loss	935W	Active Part Weight	260 kg
Standards	IEEE C57.12.20	Oil Weight	103 kg
Power Rating	75 kVA	Length	615 mm
Input Voltage	12000 V	Width	715 mm
Output Voltage	480V / 270V	Height	1060 mm
High Voltage BIL	125 kV	Total Weight	400 kg
Low Voltage BIL	30 kV	Impedance	2.30%
High Voltage Winding Material	Aluminum	Polarity	Subtractive
Low Voltage Winding Material	Aluminum	High/Low Voltage Windings	Aluminum

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75 kVA pole mount transformer comes with critical components to ensure reliable, efficient operation. High and low voltage bushings provide secure, durable connections, while tap changer allows for voltage adjustment. Surge arresters protect against voltage spikes, and oil tank ensures effective cooling, maintaining optimal operating conditions. Safety features, like pressure relief valve and Buchholz relay, detect faults and prevent damage. Temperature gauges and thermometers continuously monitor performance, ensuring safe operation.

Yongxing Transformer manufactures enameled wire, insulation paper, and other integral parts. With an advanced outer shell casting workshop and leading silicon steel sheet cutting workshop, Yongxing ensures high precision and durability in every transformer. In-house production of components allows for superior quality control and seamless integration, delivering transformers that meet rigorous safety and performance standards. These fully integrated solutions are designed for maximum reliability, longevity, and efficiency in diverse industrial and commercial applications.

Components of 75 kVA Pole Mount Transformer

Component	Description	Material	Function
High Voltage Bushings	Electrical connection points	Porcelain / Epoxy	Provides electrical isolation and connection for high voltage conductors.
Low Voltage Bushings	Low voltage connection points	Epoxy / Composite	Connects the low voltage system to the transformer.
Tap Changer	Voltage regulation mechanism	Stainless Steel / Copper	Adjusts voltage levels based on load demand.
Surge Arresters	Overvoltage protection	Metal Oxide Varistor (MOV)	Protects transformer from voltage spikes.
Oil Tank	Oil storage for cooling	Steel / Mild Steel	Holds transformer oil for cooling and insulation.
Pressure Relief Valve	Overpressure protection	Steel / Brass	Releases excess pressure within the transformer tank.
Buchholz Relay	Gas monitoring system	Brass / Steel	Detects gas buildup due to internal faults.
Grounding System	Earth connection for safety	Copper / Copper Alloy	Ensures safety by preventing electric shock or fire.
Oil Temperature Gauge	Monitors oil temperature	Glass / Plastic	Measures temperature of transformer oil to prevent overheating.
Thermometer	Temperature monitoring	Steel / Glass	Provides a visual temperature reading of the transformer’s operation.
Nameplate	Identification plate	Aluminum	Displays transformer specifications and details.
Lifting Lugs	For transportation and handling	Steel	Used for lifting the transformer during installation and maintenance.

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Comprehensive Protection Features for 75 kVA Pole Mount Transformer

Overcurrent Protection: Activates when transformer current exceeds rated values, disconnecting the transformer to prevent damage.
Short-circuit Protection: Quickly detects and isolates faults caused by short circuits, preventing catastrophic failure.
Overload Protection: Automatically shuts down the transformer when operating beyond its rated capacity, preventing overheating and damage.
Differential Protection: Detects current imbalances between the primary and secondary windings, isolating faults quickly to prevent damage.
Ground Fault Protection: Disconnects the transformer in the event of a ground fault, preventing electrical hazards and ensuring safety.
Buchholz Relay Protection: Monitors gas accumulation or internal faults in oil-immersed transformers, triggering alarms or shutdowns.
Temperature Protection: Monitors oil temperature, activating alarms or shutdown if temperatures exceed safe limits, preventing overheating.
Pressure Relief Valve: Releases excess pressure within the transformer, preventing rupture caused by internal faults or overheating.
Tap Changer Protection: Safeguards the tap changer mechanism from damage due to electrical faults or mechanical issues.
Overvoltage Protection: Protects against voltage surges caused by lightning or grid switching, using surge arresters to safeguard the transformer.
Load Tap Changer Protection: Ensures safe operation of the voltage regulation system by preventing arcing or excessive wear in the tap changer.

These protection features enhance transformer reliability, safety, and longevity by proactively preventing damage from various electrical issues.

To learn more about the protection features of Yongxing Transformer’s 75 kVA transformer, please contact us

75 kVA pole mount transformer available for sale, manufactured by Yongxing Transformer

Packaging and Shipping of 75 kVA Pole Mount Transformer

Yongxing Transformer ensures that every 75 kVA pole mount transformer is carefully packaged to withstand the rigors of transportation. Each transformer is securely wrapped in protective materials such as shrink-wrap and foam padding to prevent any damage during transit. The packaging is designed to keep the transformer stable and shield it from external elements like moisture, dust, and impact. Specialized wooden crates or steel frames are used to encase the transformer, offering additional protection for the long-distance shipping process.

When it comes to shipping, Yongxing Transformer partners with trusted logistics providers to ensure safe and timely delivery. Each shipment is tracked, and all necessary documentation, including certificates and compliance reports, are included to meet international import/export regulations. Whether it’s for domestic or international orders, Yongxing ensures that all 75 kVA pole mount transformers are delivered to customers with the utmost care and efficiency, helping them stay on schedule with their projects.

Why Choose Yongxing 75 kVA Pole Mount Transformer?

Yongxing 75 kVA pole mount transformer is designed with advanced technology and high-quality materials to deliver exceptional performance and reliability. The high-voltage copper winding technology enhances lightning resistance, providing improved safety during extreme weather conditions. The low-voltage foil winding technique, combined with AE-grade insulation materials, ensures superior electrical insulation and long-lasting durability.

The transformer’s core is made from premium cold-rolled, grain-oriented silicon steel sheets, sourced from top manufacturers like Baosteel and WISCO, and features inorganic oxide insulation. This material choice minimizes core losses and enhances efficiency. By precisely controlling the cutting and stacking process of the silicon steel sheets, we significantly reduce no-load current and operational noise, contributing to the transformer’s efficiency and quiet operation.

Yongxing’s 75 kVA pole mount transformer stands out for its low leakage flux, high mechanical strength, and excellent short-circuit resistance, making it a reliable and durable choice for both commercial and industrial applications.