Overview of High Voltage Main Power Transformer

Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv 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 Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv

• 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 Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv

These tailored high-voltage transformers step down electrical power. They take 35,000 volts and decrease it to 400 volts for local power circulation. 2 major sizes exist: 10 MVA and 20 MVA. The MVA ranking shows the transformer’s power handling capability. These units are constructed challenging for demanding industrial websites or big centers.

Each transformer is oil-immersed. The core and windings rest inside a strong, bonded steel tank full of unique protecting oil. This oil cools down the transformer and prevents electrical break down. The container is sealed to keep dampness and air out. This style guarantees long life and trusted procedure.

The core makes use of top-quality electrical steel. This reduces energy losses. Both main and secondary windings are made from copper or light weight aluminum conductor. The specific product depends upon your specific needs. Windings are thoroughly scheduled reliable voltage improvement and reduced losses.

Air conditioning is crucial. These transformers utilize either ONAN (Oil Natural, Air Natural) or ONAF (Oil Natural, Flying force) cooling. ONAN relies upon natural oil flow and air blood circulation. ONAF adds fans for extra cooling power. The best cooling system depends upon your load profile and ambient problems. We help you select.

Protection features are conventional. Each device consists of an oil conservator storage tank with a breather. This manages oil development and contraction. A Buchholz relay identifies interior faults. Abrupt stress relays and temperature level evaluates display internal conditions. Winding temperature level indications offer extra safety and security. Stress alleviation gadgets protect versus storage tank overpressure.

Modification is vital. We adapt these transformers to your precise requirements. Choices consist of various faucet changers, certain impedance values, unique paint coatings, or distinct mounting setups. We fulfill global requirements like IEC or IEEE. Performance targets follow appropriate regulations. Accessories like aligning boxes or rise arrestors are offered. Speak to us regarding your project’s details. We construct the transformer you require.

Applications of Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv

Personalized 10 MVA and 20 MVA step-down oil-immersed transformers, ranked 35kV to 0.4 kV, handle requiring power circulation demands. These systems are vital for big industrial websites. Manufacturing facilities needing huge power tons rely on them. They effectively step down high-voltage electricity from the grid. This offers the reduced voltage needed for heavy equipment and assembly line.

Power circulation networks likewise depend upon these transformers. They serve as essential substation components. Their task is reducing the 35kV transmission voltage down to 400 volts. This makes the power useful for whole neighborhoods or business areas. The 10 MVA and 20 MVA capacities suit different range requirements. They manage significant electrical lots reliably.

Renewable resource projects benefit substantially. Big solar farms or wind installments produce power at tool voltage. These transformers action that voltage up for efficient long-distance transmission. Later, various other transformers step it back down for neighborhood usage. The 35/0.4 kV systems are key at the final circulation factor. They deliver useful power directly to homes and businesses.

Industrial complicateds typically need tailored solutions. Requirement transformers could not fit details area restraints or unique load profiles. Custom 10 MVA or 20 MVA units resolve this. Designers create them for specific physical measurements. They also customize the electric characteristics exactly. This guarantees best combination right into existing facilities.

Oil-immersed air conditioning provides tried and tested integrity. It successfully takes care of the heat produced throughout procedure. This layout supplies robust protection for the core and windings. It extends the transformer’s operational life expectancy dramatically. These devices are developed tough for continuous duty in demanding environments. They provide regular performance time after time. Upkeep is uncomplicated with correct procedures.

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 Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv, 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 Customized 10 Mva and 20 Mva High-voltage Transformers, Step-down Oil-immersed Transformers, 35/0.4kv

What custom options exist for 10MVA and 20MVA transformers?
We tailor these transformers to your exact needs. You choose the voltage taps, cooling methods (ONAN or ONAF), protection levels, and enclosure types. Special paint finishes or specific bushings are available. Tell us your requirements.

How long does it take to get a custom transformer?
Production time depends on the complexity. Standard designs take roughly 16-20 weeks. Highly customized units might need 22-26 weeks. We provide a firm schedule after confirming your order specifics. We keep you updated.

What site preparation is needed for installation?
You need a strong, level concrete foundation. The foundation must handle the transformer’s weight and oil. Ensure sufficient clearance around the unit for safety and cooling. Provide clear access for delivery and future maintenance. We supply detailed foundation drawings.

Are these transformers safe and reliable?
Yes. They use high-grade electrical steel and copper windings. The robust oil-immersed design provides excellent insulation and cooling. Built-in protection devices monitor temperature and pressure. They meet strict international safety standards (IEC, IEEE). They are built for decades of dependable service.

What maintenance is required?
Regular checks are essential. Monitor oil levels and quality. Inspect bushings, connections, and cooling radiators. Test protection relays periodically. We offer comprehensive operation manuals. We also provide recommended maintenance schedules. Trained technicians should perform major servicing.