IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

Overview of IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

An oil-immersed transformer is a type of electrical transformer where the core and windings are submerged in an insulating oil. This oil serves two primary functions: it acts as a highly effective insulator between conductive parts and as a coolant to dissipate heat generated during operation. These transformers are robust, reliable, and highly efficient, making them the standard choice for high-voltage power distribution and transmission networks, typically installed outdoors in substations.

Features of IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

• Effective Cooling: The insulating oil efficiently absorbs heat from the core and windings and transfers it to the radiator fins, allowing for natural or forced circulation and higher overload capacity.
• Superior Insulation: The oil provides much better dielectric strength than air, allowing for a more compact design for a given voltage rating and protecting against short circuits.
• Robust Construction: Designed for long-term, reliable operation (often 25-30 years) in harsh outdoor environments.
• Overload Capacity: Can handle temporary power overloads better than dry-type transformers due to the thermal mass and cooling properties of the oil.
• Protection System: Equipped with a conservator tank (to allow for oil expansion), breather (to absorb moisture from air), and protective relays (Buchholz relay) for internal fault detection.
• Cost-Effective: Generally more economical for high-power applications compared to dry-type transformers.

Specifications of IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

These IEC standard power transformers move electricity successfully throughout tool voltage networks. We make them for dependable power distribution and commercial applications. Capabilities range from 10MVA up to 100MVA. Typical rankings include 12.5 MVA, 20MVA, 25MVA, and 31.5 MVA. Primary voltages are typically 33kV or 35kV. Higher key voltages like 66kV or 69kV are additionally common choices. Additional voltages are typically 10kV or 15kV. We match these voltages to your details grid needs.

These transformers deal with varied lots problems. They manage changes in power demand efficiently. Voltage policy is critical. Models consist of either On-Load Tap Changers (OLTC) or No-Load Tap Changers (NLTC). OLTC systems adjust voltage while the transformer is energized. This enables continual procedure without power disturbance. NLTC systems need a short closure for voltage change. Both kinds make sure secure outcome voltage degrees. Choose OLTC for applications requiring consistent voltage during load adjustments. NLTC fits installments where quick outages serve.

Robust building and construction adheres to rigorous IEC standards. This makes sure high performance and long life span. We use exceptional electric steel for the core. This minimizes energy losses. Top-quality copper or aluminum forms the windings. Advanced insulation systems assure safety and security and dependability. Cooling down techniques vary. Options consist of Oil Natural Air Natural (ONAN) or Oil Natural Flying Force (ONAF). These techniques properly dissipate warm generated throughout procedure. Integrated protection functions keep track of performance. Tools like Buchholz relays and pressure relief valves guard against internal mistakes.

These transformers fit substations, industrial plants, and renewable energy farms. They integrate effortlessly into existing power networks. Setup is simple. Maintenance requirements are manageable. You can depend on regular power distribution.

Applications of IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

These IEC basic power transformers handle large power work. They step down high voltage like 33kV, 35kV, 66kV, or 69kV to reduced degrees like 10kV or 15kV. Abilities range from 10MVA completely as much as 100MVA. This wide range means they fit lots of places requiring trusted power change.

Factories and huge industrial plants utilize these transformers continuously. They take the incoming high voltage from the grid and make it risk-free for heavy equipment. Steel mills, chemical plants, mining procedures, huge information centers all require this robust power conversion. The transformers take care of the large electrical tons these websites demand.

Power energies rely heavily on them. They sit inside substations, key or distribution level. Right here they connect transmission lines to neighborhood distribution networks. They feed entire communities or thick city areas. Their work is crucial for getting power from where it’s made to where it’s utilized.

Power generation plants use them as well. They link the generator output voltage to the higher transmission voltage. This gets the power successfully onto the grid. They are crucial links at the source.

Renewable resource jobs require these transformers. Large solar ranches or wind ranches produce power. These transformers step up that power for transmission. They likewise step down power for the task’s own heavy use tools.

The OLTC (On-Load Tap Changer) alternative is vital for several customers. It allows voltage modifications occur while the transformer is running. This keeps voltage stable even when the grid voltage adjustments. Places with delicate devices or unsteady supply actually need OLTC. It protects against dips or rises that can harm equipments.

The NLTC (Off-Load Faucet Changer) alternative is easier and cheaper. Voltage changes call for switching the transformer off initially. This functions penalty where voltage remains constant. It’s an excellent suitable for fundamental applications requiring trusted power without continuous modification.

Ports, airport terminals, huge healthcare facilities, big campuses also utilize these systems. Any huge facility requiring large, reputable power circulation benefits from this IEC standard transformer array. Their robust design handles tough conditions and long life span.

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 IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC, 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 IEC Standard 10MVA 12.5MVA 20MVA 25MVA 31.5MVA To 100MVA 33KV 35KV 66KV 69KV/10KV 15KV Power Transformer With OLTC NLTC

Here are 5 common questions about our IEC Standard Power Transformers (10MVA to 100MVA, 33kV/35kV/66kV/69kV to 10kV/15kV with OLTC/NLTC):

What voltage levels do these transformers handle? These transformers step down high voltage. They accept input power at 33kV, 35kV, 66kV, or 69kV. They deliver output power at 10kV or 15kV. This covers common distribution and industrial needs.

What standards do they meet? All units strictly follow IEC standards. Key standards include IS/IEC 60076 for general requirements and testing. This ensures global compatibility and safety. They are built for reliable performance under defined conditions.

What’s the difference between OLTC and NLTC? OLTC means On-Load Tap Changer. This lets you adjust the voltage ratio while the transformer is working. Power flow doesn’t stop. NLTC means Off-Load Tap Changer. You must disconnect the transformer from the power source first. You adjust the taps with no load. Choose OLTC for constant voltage needs. Choose NLTC where voltage adjustments are rare.

What key features do they have? These transformers are robust. They use high-quality core steel for low losses. They have strong windings. They use reliable, temperature-stable insulation oil. Cooling is efficient. They include protection devices. OLTC/NLTC mechanisms are dependable. They are designed for long life with minimal maintenance.

Where are these transformers typically used? They are ideal for electrical power distribution networks. Utilities use them extensively. They are also perfect for large industrial complexes. Mines, factories, and big commercial facilities need them. They step down high incoming utility voltage. They provide the lower operating voltage plants and machinery require.