Overview of High Voltage Main Power Transformer

Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For is a device used to convert high voltage to lower voltage. It is critical in power systems, especially high-voltage transmission and distribution networks. The primary function of the high-voltage main power transformer is to ensure the stable operation of the power system while providing the required voltage for various power equipment.

Functional Principle of Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For

• Voltage conversion: The most basic function of a high-voltage main power transformer is to perform voltage conversion. It reduces the high voltage in the power system to the voltage level required by the user. By changing the turn ratio of the primary side (high-voltage side) and secondary side (low-voltage side) coils, voltage rise and fall can be achieved.
• Impedance matching: Transformers can also play a role in impedance matching. For different loads, their impedance values also vary. Through the transformer’s voltage transformation effect, the impedance of the load can be matched with the impedance of the power supply system, thereby ensuring stable current transmission.
• Voltage regulation: By changing the number of turns of the primary side coil or the number of turns of the secondary side coil, the output voltage can be adjusted. In the power system, transformers are used to achieve segmented voltage control to meet the electricity needs of different users and equipment.
• Filtering function: Some particular types of high-voltage main power transformers also have a filtering function, which can filter out harmonics and reactive power components in the power supply and improve the quality of the power supply.

Specifications of Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For

These Medium and High Voltage transformers are built tough. They handle the big power jobs. You find them moving electricity between substations. They also power large factories and mines. The high voltage side is rated for 110kV. The medium voltage side steps down to 6.3kV. This setup is common for distributing power efficiently.

We offer three standard power ratings: 8MVA, 10MVA, and 12.5MVA. These capacities suit various heavy-duty needs. Each transformer uses a robust three-phase design. This ensures balanced power delivery. The core and windings use top-grade materials. This minimizes energy loss during operation. Keeping things cool is critical. Expect efficient ONAN cooling systems. These use oil and natural air flow. Some models offer ONAF cooling too. This adds forced air fans for hotter conditions.

Safety and reliability are non-negotiable. The transformers feature strong insulation systems. They withstand high electrical stress. Protective devices monitor oil levels and temperature. Pressure relief valves prevent tank overpressure. Bushings are designed for secure high-voltage connections. These units meet strict international standards. Think IEC standards. They also follow relevant local grid codes. This ensures compatibility and safety everywhere.

Expect a durable, weatherproof tank. It protects the core and windings. Installation options include wheels or skids. This simplifies placement and anchoring. Routine maintenance is straightforward. Access points allow easy checks and servicing. These transformers deliver consistent power. They are built for long-term performance under demanding conditions.

Applications of Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For

These transformers handle big power jobs. They change voltage levels efficiently. They step down high transmission voltages to lower distribution levels. They step up generated voltages for long-distance transmission too. Power plants use them a lot. They connect generators to the grid. They boost voltage for sending power far away. Substations rely on them heavily. They reduce voltage from transmission lines. They feed electricity into local networks for cities and factories.

Industrial sites need them for heavy machinery. Big factories use large motors and processes. These require medium voltage power. Our transformers provide that safely. They take high voltage input from the grid. They deliver the right medium voltage output. Units like 110kV down to 6.3kV are common here. Capacities like 8MVA, 10MVA, and 12.5MVA fit many industrial needs. They handle large power loads reliably.

Utilities deploy them across the network. They manage power flow between different grid sections. They ensure voltage stays stable. They help integrate renewable energy sources. Wind farms and solar parks need them. They connect these sources to the main grid. They adjust voltage for efficient transfer. Mining operations and large infrastructure projects use them. These sites are often remote. They need robust power delivery. Our transformers deliver that power dependably. They are built tough for demanding conditions. They offer safe and stable power transformation. They are essential for moving electricity efficiently. They form the backbone of modern power systems.

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 Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For , 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 Medium And High Voltage Mv&hv transformers 110kv 6.3kv 8mva 10mva 12.5mva Three Phase Winding Power Transformers For

Customers often ask these questions about our medium and high voltage power transformers (110kV/6.3kV, 8MVA, 10MVA, 12.5MVA, three-phase):

Where are these transformers typically installed? These units connect high voltage transmission lines to lower voltage distribution networks. They are common in electrical substations. Heavy industries like steel plants and large factories use them too. They step down incoming high voltage power to safer, usable levels for machinery and equipment.

How do they ensure safety? Safety is critical. The transformers feature strong insulation systems. They have pressure relief devices. They include temperature monitoring systems. These features prevent internal faults. They protect the transformer. They protect the surrounding equipment and personnel. Strict international standards guide their design and testing.

What efficiency levels do they offer? Modern designs focus on reducing energy waste. Core losses and coil losses are minimized. High-grade electrical steel is used for the core. Quality copper or aluminum is used for the windings. This results in high efficiency. Lower losses mean lower operating costs. They also mean less heat generated over the transformer’s life.

What is the expected lifespan? These are robust, long-life assets. Proper installation is essential. Regular maintenance is essential. Correct loading is essential. Under these conditions, expect 25 years or more of service. The core and windings are built to last decades. The tank and cooling systems are designed for durability in tough environments.

What maintenance is required? Routine checks are necessary. Regular oil sampling and testing monitor insulation condition. Inspections look for leaks. Inspections check cooling fans. Inspections check bushings. Load tap changers need periodic servicing. Winding temperature indicators must be calibrated. Comprehensive insulation tests are done periodically. Following the maintenance schedule keeps the transformer reliable.