Resources
Selection guides, engineering references and practical information for specifying, operating and maintaining transformer equipment.
Selection Guides
How to Select a Power Transformer
Key parameters to consider: voltage class, capacity, vector group, cooling method, and impedance.
Oil-immersed vs Dry-type
When to choose oil-immersed vs cast resin dry-type transformers for your application and environment.
Solar Transformer Sizing
How to size step-up transformers for PV inverters, including harmonic and overload considerations.
Technical References
IEC 60076 Standard Overview
Summary of IEC 60076 power transformer standard requirements, including test categories.
Transformer Testing
Routine, type, and special tests explained — what they are and why they matter.
Vector Group Guide
Common vector groups (Dyn11, YNd11, Yzn11) and when to use each for your system.
Documentation
Datasheets
Product datasheets with full specifications, dimensions, and ratings for each transformer model.
Test Reports
Sample routine and type test reports showing measurement methods and pass criteria.
Installation Manuals
Installation, commissioning, and maintenance guides for shipped transformers.
ISO & Type Certificates
Quality management and type test certificates available for qualified inquiries.
Engineering Services
Transformer Selection Engineering
Our engineers help you select the right transformer for your application.
Custom Design
Custom transformer design for special voltage, frequency, or environmental requirements.
After-sales Support
Installation guidance, troubleshooting, and spare parts support after delivery.

Visual guides for faster transformer decisions
Use these project-oriented guides to prepare a clearer enquiry before engineering review.




Technical information, organized by task
Start with product selection, project specifications, standards or service information, then contact engineering when the project needs a tailored answer.
Use the drawings to prepare project data
These visual references explain the decisions behind transformer capacity, type selection and a complete technical enquiry.

The minimum electrical and environmental information needed for an accurate proposal.

How operating load, demand and future expansion influence the selected rating.

A visual comparison of installation, safety, cooling and maintenance considerations.

A practical route from network and site conditions to the appropriate product family.
Need a specific resource?
Contact us for datasheets, test reports, installation manuals, or any technical documentation you need.