Electrical Requirements
Confirm capacity, primary and secondary voltage, frequency, vector group and tap-changing needs.
Oil & Gas
Energy and process operations require disciplined specification, documentation and equipment selection for site-specific operating conditions.


Application context
Oil and gas projects may involve remote locations, demanding environments and detailed project documentation.
TZN’s engineering workflow begins with the project’s electrical data, installation environment, applicable standards, delivery scope and documentation requirements.
Engineering checklist
Early alignment reduces revisions later in design, testing, logistics and site installation.
Confirm capacity, primary and secondary voltage, frequency, vector group and tap-changing needs.
Define indoor or outdoor installation, ambient conditions, altitude, access, noise and enclosure expectations.
Agree routine tests, any type or special tests, drawings, certificates and approval stages before production.
Complex projects often cross more than one sector. Review adjacent application guidance before finalizing the specification.
Solar and wind projects can expose transformers to changing load profiles, harmonics, ambient-temperature variation and grid-code requirements.
Learn MoreUtilities and private distribution networks need dependable equipment, clear technical documentation and maintainable configurations.
Learn MoreProduction facilities often combine demanding loads, operational peaks and strict continuity requirements.
Learn MoreProvide the application, capacity, voltage levels, quantity, installation environment, applicable standard and target delivery location.
The custom transformer workflow is intended to capture project-specific voltage, cooling, winding, accessory and documentation requirements.
The inspection and test scope should be defined during quotation and confirmed before manufacturing begins.
Application engineering
Oil and gas projects often combine demanding ambient conditions with strict document control. The transformer specification may reference project standards, client data sheets, inspection plans, material requirements, coating systems, tagging rules and document numbering in addition to the electrical duty.
Site classification, corrosive atmosphere, dust, temperature, access and auxiliary-power reliability should be reviewed with the installation designer. Equipment located near hazardous areas must be coordinated with the project’s area-classification and protection philosophy; compliance should never be assumed from a generic product description.
A disciplined quotation identifies deviations and open points before order. Agreed inspection and test plans, witness points, routine or type-test requirements, manufacturing records and shipping documents then follow the same approved data set.
TZN Trafo is a Turkey-based power and distribution transformer manufacturer in Mersin. Founded in 2019 and supported by the TZN Group’s 40+ years of industrial experience, the company develops project-specific transformer solutions for utilities, EPC contractors, renewable-energy developers and industrial operators.
Technical FAQ
Direct answers for engineers, procurement teams and EPC contractors. Project specifications and the approved quotation remain authoritative.
Placement depends on the project area-classification study. The transformer and its accessories must be coordinated with the defined zone and installation method.
It sets document reviews, hold or witness points, tests and records before manufacturing begins, reducing late project disputes.
Provide maximum and minimum temperature, altitude, humidity, dust, corrosion category, seismic requirements and indoor or outdoor location.
Coating requirements can be reviewed when the system, preparation, color and corrosion category are stated in the project specification.
The final list may include approved drawings, test reports, certificates, packing lists, manuals and project-specific quality records.
Share your project requirements with the TZN engineering team.