ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

Overview of ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase is an enclosed, ground-level electrical distribution transformer commonly used in underground (UG) power systems. It steps down primary high-voltage electricity (e.g., 15kV or 25kV) to a lower secondary voltage (e.g., 120/240V or 480V) for safe distribution to residential neighborhoods, commercial buildings, and industrial parks. Its robust, lockable steel enclosure makes it safe for public areas.

Features of ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

Ground-Level Enclosure: A locked, tamper-resistant, weatherproof steel cabinet that protects the internal components and ensures public safety.

Underground Cable Connections: Designed for easy connection to underground primary (high-voltage) and secondary (low-voltage) cables via compartments with built-in bushings.

Compartmentalization: Separate, isolated compartments for high-voltage and low-voltage components, enhancing safety during maintenance.

Ventilation: Designed with louvers or other ventilation systems to allow for proper heat dissipation from the transformer core and coils.

Lifting Lugs: Integrated lifting lugs for easy and safe installation and replacement using a crane or hoist.

Tamper-proof Hardware: Lockable doors with special bolts to prevent unauthorized access.

Fused Switches: Often includes fused disconnect switches for circuit protection and safe isolation.

Pad Foundation: Installed on a concrete pad (“pad-mounted”) to provide a stable, level base.

Specifications of ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

This transformer delivers reliable power distribution. It handles 250kVA capacity. The design uses oil immersion for cooling. This method is called ONAN. Oil naturally circulates inside the tank. It cools the core and windings effectively. The transformer operates at 50Hz frequency. It accepts a 35kV input voltage. This suits many medium-voltage applications.

The core features a unique toroidal coil shape. This shape improves magnetic efficiency. It reduces energy losses significantly. Less energy loss means lower operating costs. The design also minimizes electromagnetic interference. Nearby equipment experiences less disruption. The flyback topology offers specific advantages. It manages voltage spikes well. This enhances overall system protection.

Safety is a critical focus. This transformer meets UL standards. Rigorous testing ensures safe operation. The pad-mounted design simplifies installation. It sits securely on a concrete pad outdoors. This saves space inside buildings. The enclosure is robust and weather-resistant. It protects the internal components reliably.

This is a three-phase transformer. Three-phase power is standard for industrial use. It provides balanced power efficiently. The latest design incorporates modern engineering. It focuses on longevity and dependable performance. Minimal maintenance is required over its lifespan. This transformer fits renewable energy integration. It works well with solar or wind farms. Commercial buildings and factories also benefit. It offers a stable power supply solution. The combination of efficiency and safety stands out. This transformer meets demanding power needs.

Applications of ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

This ONAN oil immersed power transformer is built tough for reliable energy distribution. The 250kVA, 50Hz model uses a unique toroidal coil shape inside its pad-mounted enclosure. Its 35kV input handles demanding three-phase power needs. The transformer is filled with special insulating oil. This oil efficiently cools the core and windings during operation. This design prevents overheating and extends the equipment’s life significantly.

Its applications are wide-ranging. Factories and large workshops rely on this transformer. It steps down high voltage electricity safely for machinery and lighting. Towns and housing developments use it too. It provides stable power distribution directly where communities live and work. You often see it installed near buildings or along streets. The compact pad-mounted design saves valuable space. It doesn’t need a separate building.

Renewable energy sites benefit greatly. Solar farms and wind turbine installations connect to the grid using this transformer. It manages the power flow efficiently. Mining operations and remote construction sites choose it. Its rugged build withstands harsh environments. The oil immersion ensures consistent performance. The toroidal coil shape offers advantages. It creates less electromagnetic interference. This makes it safer near sensitive equipment. The design also minimizes energy losses. This saves money over the transformer’s long service life.

Maintenance is straightforward. The sealed tank protects the internal components from weather and contamination. Technicians perform routine checks and oil analysis. This ensures decades of dependable service. It provides the essential link between high-voltage transmission lines and the lower voltages used daily. Its reliability keeps critical infrastructure running smoothly.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of ONAN Oil Immersed Power Transformer Flyback for Ul 250kva 50Hz Toroidal Coil Shape Pad Mounted 35kv Input Latest Three Phase

What does this transformer actually do?
It steps down high voltage electricity for local use. This specific model handles incoming power up to 35,000 volts. It outputs safer, usable lower voltage power. Its main job is feeding power safely to neighborhoods or businesses from the main grid.

Why choose a toroidal coil shape?
The round, donut-like coil design is key. It makes the transformer much more efficient. Less electricity gets wasted as heat. It also runs much quieter. This shape creates less electromagnetic interference too. The design saves space inside the tank.

What are pad-mounted transformers good for?
They are built for outdoor ground-level installation. You see them on concrete pads near buildings or along streets. Their locked steel cabinet protects against weather and unauthorized access. This keeps people safe and the equipment secure outdoors. It’s a common, practical setup for utility power distribution.

Why is UL listing important here?
The UL mark proves it meets strict US safety rules. Independent testers checked its design and construction. This certification is vital for installation approval. It assures inspectors and customers the transformer won’t cause fires or shocks. It meets recognized North American safety standards.

What maintenance does it need?
Check the insulating oil level regularly. Look for any leaks around the tank and bushings. Monitor the oil’s condition; it degrades over time and needs testing. Keep vents clear so the transformer breathes properly. Schedule professional inspections to catch problems early. Proper maintenance ensures long life and reliable operation.