A Comprehensive Guide to Transformer Specifications

Daelim Transformer is a leading manufacturer of professional electrical transformers that meet the highest industry standards, including IEEE, ANSI, CSA, and IEC. We offer a wide range of transformer specifications to cater to the unique requirements of Daelim customers.

Whether you need a power transformer, distribution transformer, or special transformer for a specific application, we have the technical expertise and state-of-the-art manufacturing capabilities to deliver the transformer you need. Daelim transformers are built using only the highest-quality materials and components, ensuring that they meet or exceed all applicable international standards.

Pole Mounted TransformerSpecifications

Pole mounted transformers are a key product in Daelim factory, featuring a comprehensive standard specification that covers important details such as the supplier, model, country of origin, manufacturing and testing standards, key features, core materials, losses, high and low-voltage electrical characteristics, short circuit capability, impedance, tank design, dimensions, and weight, accessories, testing, and warranty.

As a reliable supplier, DAELIM offers the D model with customizable capacity and primary and secondary voltage options. Daelim pole mounted transformers are manufactured to meet industry standards such as IEEE Std, CSA Std, and IEC Std.

Customers can select from a range of features to suit their specific needs, including rated power (ranging from 15kVA to 333kVA), primary and secondary voltage, and winding temperature rise. Daelim transformers have a maximum voltage of 34.5kV, with winding temperatures kept below 65°C, hottest-spot winding temperatures under 80°C and oil top temperatures under 65°C. Losses in no load and on load conditions are dependent on the transformer’s capacity, with a tolerance of ±10% for single loss and ±6% for total loss.

DaelimTransformer offers both mineral oil and vegetable oil cooling options and uses an A(105°C) insulation system. Customers can choose from aluminum or copper winding materials and silicon or stainless steel core materials. The tank color is customizable, and Daelim only uses PCB-free oils. Daelim transformers operate within a wide temperature range of -50°C to +40°C, making them suitable for a variety of project sites.

The accessories included with Daelim transformers are extensive and include copper strips, core and coil assembly, fastening ring or cover clamp, grounding bar, HV and LV bushings, nameplate, pressure relief device, sealing ring, tank cover, and tap changer. Daelim also accommodates specific accessory requests from customers, all of which are detailed in the spec sheet.

Lastly, Daelim transformers come with a 2-year warranty, providing customers with peace of mind and assurance in the quality of DB transformers.

Learn more: How to buy an electric pole transformer-Daelim?

Pad Mounted Transformers Specifications

Daelim specializes in pad mounted transformers that adhere to ANSI/IEEE, and CSA standards with UL/cUL certificates, and are widely used by renowned companies such as EATON, SOLOMON, and AMAZON. Daelim pad mounted transformers are available in single phase and three phase options, and are UL and cUL listed for quality assurance.

The specification of Daelim pad-mounted transformers includes the following details: supplier (Beijing Daelim), model (ZGD/ZGS H or Z with added capacity, primary and secondary voltage), where H denotes loop feed and Z signifies radial feed, country of origin (CHINA), standard manufacturing and testing (IEEE/CSA), type (loop type and radial type), and installation (outdoor). Altitude above sea level and ambient temperature is specified as 1000m and 50°C respectively, with a maximum altitude of ≤1500m.

Try for free: 2500 kVA Pad Mounted Transformer

Rated power, high and low voltage are customized based on customer requirements, and frequency varies depending on the country of installation (50Hz or 60Hz). Cooling system options include oil type with choices of mineral oil or vegetable oil, and customers can also request a cooling fan. The number of windings is typically 2, with the option for single phase or three phase configurations. Daelim pad-mounted transformers are all core type, as opposed to shell type.

Winding material options include aluminum or copper, with copper being more conductive but also more expensive. The working temperature range is from -25°C to +40°C, depending on the project location. The top oil temperature rise is limited to 65°C, while the winding temperature rise is also 65°C and the hot spot temperature is 80°C.

Losses are specified as no load losses at rated voltage and rated frequency on the principal tap, as well as load loss at rated voltage. The vector group, such as Dyn and Ynyn connection symbols, is determined based on customer requirements, and the core legs are decided accordingly (3 for one side ground connection, and 5 for both side ground connection). Tap changer options include on-load tap changer and off circuit tap changer.

High voltage and low voltage electrical characteristics of transformers and assembled load break terminals are in compliance with customer-specified standards. Customers can choose the material and color of the tank, with options of silicon steel or stainless steel for material, and ANSI gray or Munsell green for color. Dimensions and weight of the transformers depend on the capacities, with larger capacities generally resulting in bigger size and heavier weight for the same type of transformer.

Standard accessories provided by Daelim include lifting lugs, hinged door, parking stand bracket, pressure relief valve, drain valve, nameplate, thermometer, oil level gauge, load break switch, flat padlock door, HV and LV bushings, and others as required by customers.

Learn more : 3 Phase Pad Mounted Transformer

Small Substation Transformers Specification

Here are small substation transformer specifications

General background: This includes the supplier (e.g. Beijing Daelim), the model name (including capacity, primary and secondary voltage), and the country of origin (e.g. China).

Environmental characteristics and networks: This includes information about the installation environment, such as whether it will be installed indoors or outdoors, the altitude above sea level, and the ambient temperature. It also includes information about the network, such as the frequency (e.g. 50Hz or 60Hz) and the type of connection (e.g. loop or radial feed).

General characteristics: This includes the rated power, high and low voltage, type (e.g. single phase or three phase), cooling system (e.g. oil type with mineral or vegetable oil), and the number of windings.

Service technical characteristics: This includes information about the working temperature range and the temperature rise of various components (e.g. top oil temperature rise, winding temperature rise, and hot spot temperature).

Technical characteristics: This includes information about the losses of the transformer, such as the no-load losses at rated voltage and frequency on the principal tap, and the load loss at rated voltage. It also includes information about the vector group and the number of core legs.

Oil properties: This includes information about the type of oil used, its properties, and any relevant standards.

Dimension and weight: This includes information about the physical size and weight of the transformer, which can vary depending on the capacity and type of transformer.

Test standard: This includes information about the testing standards used to ensure the quality and safety of the transformer, such as IEEE/CSA.

Warranty: This includes information about the length and terms of the warranty offered by the supplier.

Overall, small substation transformers are customized based on the specific needs of the customer, similar to pad-mounted transformers. By considering all of these factors, customers can select a transformer that is optimized for their specific application and environment.

Get it now: Why Substation Transformers Are So Important In Power Systems?

Solar Transformer Specification

Solar power, also known as distributed photovoltaic (DPV) power generation systems, is a renewable energy source that is becoming increasingly popular worldwide. The process of converting solar energy into electrical power is achieved through the use of photovoltaic semiconductors that can convert the sun’s rays into direct current (DC) electricity.

In the case of solar farms, the energy produced can reach many megawatts (MW) of power. However, to make the power usable in various scenarios, it must be converted from DC to three-phase AC electricity.

Read more about Solar Transformer

Daelim offers customized solutions for solar farm projects through the use of pad-mounted transformers and substation transformers. These solutions can be tailored to meet specific project requirements, including rated capacities, nominal voltage, winding connection diagram, vector group, and electronic shields.

Pad-mounted transformers and substation transformers play an important role in the efficient and reliable transmission of solar energy from the generation site to the distribution network. These transformers are responsible for stepping up or stepping down the voltage of the electricity generated, depending on the specific requirements of the transmission and distribution networks.

In addition to the technical specifications, Daelim also offers comprehensive testing and certification of its transformers to ensure compliance with industry standards and regulations. Customers can also benefit from Daelim’s warranty and technical support services, ensuring the smooth operation and maintenance of their solar power generation systems.

Daelim has been providing reliable and professional transformer solutions for more than 20 years. Daelim has gained a reputation and trust from Daelim customers in North America and South America and other countries and regions through day-to-day efforts and considerate service to Daelim customers. Daelim makes ideal solutions for solar power, wind power, energy storage, mining industries, semiconductors, and utilities, for personal use and for business use. No matter when you need transformer solutions for yDaelim projects, feel to contact us and we are always here to help.

Daelim’s Solar Transformer For Solar Photovoltaic System In North America

50 kVA Transformer Specifications

50 kVA single phase transformer specification

50 kVA single phase pad mounted transformer specification

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100 kVA Transformer Specification

100 kVA single phase transformer specification

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150 kVA Transformer Specification

150 kVA pad mounted transformer specification

200 kVA Transformer Specification

200 kVA single phase pad mounted transformer specification

250 kVA Transformer Specification

250 single phase transformer specification

250 kVA single phase pad mounted transformer specification

315 kVA Transformer Specification

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500 kVA Transformer Specifications

500 kVA pad mounted transformer specification

500 kVA power transformer specification

630 kVA transformer specifications

750 kVA transformer specifications

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1000 kVA Transformer Specification

1000 kVA pad mounted transformer specification

1000 kVA power transformer specification

1250 kVA transformer specification

1500 kVA transformer specification

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2500 kVA Transformer Specifications

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10 MVA transformer specification

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20 MVA transformer specification

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11kV Transformer Specification

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If the above transformer specifications cannot meet your needs, please Contact Daelim team.