Three Phase Pad Mounted Transformer

Jiangsu Yawei Transformer Co.,Ltd. is one of the leading manufacturers and suppliers of three phase pad mounted transformer in China. Please feel free to buy high quality three phase pad mounted transformer from our factory. Customized orders are welcome.

 

 

Types of three phase pad mounted transformer

 

01.

Loop feed(Dead front) pad mounted transformer

 

Loop feed Transformers have six high voltage bushings (H1A, H2A, H3A, H1B, H2B, and H3B). There are two bushings for each phase. It allows customers to connect all of their transformers in a loop configuration. This also allows customers to bring two feeds to the transformer. A four position switch can be used to switch between the A feed and the B feed.

 

02.

Radial feed(Live front) pad mounted transformer

 

Radial feed Transformers have three high voltage bushings (H1, H2, and H3). There is one bushing for each phase to allow for the incoming high voltage cables. On Wye and Grounded Wye connected Transformers, there will also be an H0 bushing.

Live front & Dead front transformer

Yawei Transformer offers the flexibility to design and produce both live front and dead front pad-mounted transformers to suit your specific requirements.

 

Dead Front Transformer: In a dead front transformer, the high-voltage bushing is separate, comprising a bushing well and a load break bushing insert, both insulated. High-voltage cables connect to the transformer using a dead break elbow connector, ensuring no exposed electrical components in the energized high-voltage section. This design significantly reduces the risk of accidental contact or electric shock.

 

Live Front Transformer: In a live front transformer, the high-voltage bushing typically consists of a one-piece spade type made of materials like porcelain or epoxy, often with 2-4 holes at the end. High voltage cables connect to these holes using a mechanical lug or a crim plug. Unlike dead front transformers, the high-voltage bushing in live front transformers is fully exposed, potentially leading to safety concerns if moisture, oil, or dust is present, increasing the risk of arc generation.

 

Based on our extensive experience, most customers opt for the dead front pad-mounted transformer due to its superior safety features. However, the choice ultimately depends on your specific needs and preferences. Rest assured, Yawei Transformer can tailor our solutions to meet your project requirements.

 

 

 

 

Certification

 

Yawei three phase pad mounted transformers fully meet or exceed ANSI/IEEE, CSA, IEC, DOE, and other standards.

These certifications ensure compliance with safety and performance standards, assuring customers worldwide.

CE 

 

UL (4.5MVA)

 

UL (9MVA)

 

CSA 

 

Pad Mounted Transformer Tests & QC

After each unit of Yawei pad-mounted transformer is produced, routine tests/FAT will be conducted following the requirements of ANSI/IEEEC57.12.90 and C57.12.00. The test report complying with IEEE/CSA standards will then be issued.

 

 

 

Third Party Wintness FAT Accepted

We welcome third party such as SGS, CSA, or UL, visit the Yawei Transformer factory during the testing phase to witness the tests being conducted and receive a report that fully complies with standard requirements.

Alternatively, you can choose online video monitoring to observe the testing process in real-time. Ensuring transparency and confidence in the testing procedures.

Cutting

Wiring

The automatic cutting machine is responsible for accurately cutting silicon steel sheets into the desired shape and size.
The function of power transformer insulated wires is to ensure good electrical insulation between the coils inside the electrical transformer and between the coils and the iron core, preventing current leakage or short circuit, thereby ensuring the safe operation and stable performance of the power transformer. Insulated wires effectively isolate conductive parts through their insulation layer, reducing electromagnetic interference and improving the efficiency and reliability of power transformers.

Auto-stacking

Assembling

 The advantage of power transformer automatic laminating machine lies in its ability to achieve automation and precise control of the iron core laminating process, improving production efficiency and product quality. It ensures accurate alignment and uniform distribution of iron chips through precise mechanical structures and control systems, thereby reducing air gaps and magnetic resistance, and improving the magnetic permeability and efficiency of transformers. Whatsmore, automatic laminating machines can reduce human operation errors, lower labor intensity, improve production safety, while maintaining product consistency and reliability, meeting the needs of large-scale production.

The correct installation of windings directly affects the efficiency, temperature rise, noise level, and long-term reliability of power transformers. Accurate winding installation can reduce resistance losses and evenly distribute current, avoid local overheating, and thus extend the service life of power transformers. Whatsmore, the installation quality of windings also involves the insulation performance and short-circuit resistance of transformers, which are crucial for ensuring the safe operation of electrical transformers under various working conditions.

Welding

Testing

Welding and testing of power transformers are key steps in ensuring their quality and performance. The welding quality is directly related to the structural stability of transformers and the reliability of electrical connections. Poor welding may lead to current leakage, local overheating, and even equipment damage. The testing phase is a necessary method to verify whether the power transformer meets the design specifications and safety standards. Through various tests, normally routine test, type test which will be done in factory lab, potential defects and problems can be discovered, such as insufficient insulation performance, abnormal temperature rise, etc., to ensure that the transformer can operate stably after being put into use and avoid safety accidents. 

Yawei power transformers are packed in wooden case. Put the electrical transformer on a solid wooden pallet for fixing, and protect it with wooden boards on the top and around. Such packaging ensures that the transformer will avoid damage caused by impact during different kinds of transportation. 

Bitcoin data center

The three phase pad mounted transformers in Bitcoin data centers provides stable and reliable power supply for mining operations, supports high energy consumption needs, and promotes the use of environmentally friendly energy, ensuring the efficient operation of data centers with a global layout. 

 

This is one batch order of 2000KVA and put in use in US 2023

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