EMPOWERING CUSTOMERS WITH HIGH-END ELECTRICAL PRODUCTS AND PREMIUM SOLUTIONS

POWER TRANSFORMERDISTRIBUTION TRANSFORMERDRY-TYPE TRANSFORMERPAD & POLE-MOUNTED TRANSFORMERPREFABRICATED SUBSTATIONSOLAR EPC EQUIPMENTSWITCHGEARTECHNICAL SUPPORTORDER FOLLOW-UPGLOBAL DELIVERY

PRODUCTS

Select a category to see the main product types, typical applications and available models.

Product Category

Power Transformer

Power transformers for 66/69 kV to 220/230 kV transmission and grid projects.

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APEX-ELECTRICS

Apex-electrics is an international supplier of transformers and electrical equipment. Our product range includes power transformers, oil-immersed distribution transformers, dry-type transformers, pad- and pole-mounted transformers, prefabricated substations, solar EPC equipment packages, special transformers, and HV, MV and LV switchgear.

Qualified partner factories manufacture and test the equipment. Apex confirms the technical requirements, follows production, checks the required documents, and coordinates packing and export delivery.

We support standard products, OEM and ODM orders, and project-specific configurations. Customers work with one Apex contact from the first technical discussion through delivery.

Learn more about Apex → Affordable Power, Brighter World.

PARTNER PRODUCTION

Engineers preparing transformer drawings and technical documentation — **Engineering and drawings**Technical requirements are converted into drawings and production documents.

Oil-immersed transformers prepared in a partner facility — **Oil-immersed transformer production**Completed units prepared for inspection and delivery.

Dry-type transformers in assembly — **Dry-type transformer assembly**Cast-resin units moving through final configuration.

Transformer core stacking and assembly — **Core stacking and assembly**Magnetic core preparation before active-part assembly.

Transformer winding production workshop — **Winding production**Coil winding carried out on dedicated production equipment.

Transformer winding and lead assembly — **Winding and lead assembly**Connections, insulation and active-part preparation.

Single-phase transformer tank assembly — **Tank and component assembly**Transformer tanks and external components prepared on the assembly line.

Batch of oil-immersed transformers completed in the workshop — **Completed production batch**Oil-immersed units organized for inspection and order release.

Large power transformers inside a production workshop — **Power transformer workshop**Large units moving through final assembly and preparation.

Technician carrying out electrical testing — **Electrical testing**Measurements and test records checked before product release.

Worker applying anti-corrosion coating to a transformer — **Surface coating**Protective finishing applied for the specified operating environment.

Switchgear cabinet assembly and wiring — **Switchgear assembly**Cabinet integration, control wiring and functional preparation.

Technician integrating switchgear components in the workshop — **Switchgear integration**Protection, control and internal wiring completed cabinet by cabinet.

Electrical equipment protected for export delivery — **Protective export packing**Equipment protected for the agreed transport route.

Export wooden crates prepared inside the dispatch area — **Export packing area**Wooden cases organized for safe handling and international shipment.

Electrical equipment being loaded into an export container — **Container loading**Packed equipment secured and loaded for the planned delivery route.

APPLICATIONS

Our transformers, substations and switchgear are selected to suit the load, installation environment and reliability needs of each project.

Electrical substation and power station infrastructure

01 · APPLICATION

Utilities & Power Stations

Transformers, substations and switchgear for power stations, transmission substations and distribution networks.

02 · APPLICATION

Commercial Buildings

Indoor and outdoor power distribution for offices, shopping centers and mixed-use buildings.

03 · APPLICATION

Schools & Healthcare

Low-noise, fire-conscious power systems for schools, campuses, hospitals and clinics.

04 · APPLICATION

Public Infrastructure

Transformer and switchgear packages for railways, airports, water systems and public services.

05 · APPLICATION

Residential Communities

Distribution transformers and compact equipment for neighborhoods and apartment developments.

06 · APPLICATION

Renewable Energy Projects

Step-up transformers, MV collection equipment and grid-connection systems for solar and renewable-energy projects.

PROJECTS

See how voltage, capacity, installation location and grid requirements affect product selection.

Nepal · PROJECT

Nepal · Terai Distribution Network Expansion

500 distribution transformers · 11 kV and 400 V network works

Romania · PROJECT

Romania · 1.2 GWp Solar Grid Connection

Solar collector system · main step-up substation · 400 kV grid interface

United States · PROJECT

United States · 90 MW Solar Collector Transformer System

28 solar collector transformers · 3.75 MVA each · 34.5/115 kV interconnection

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RESOURCES

Read practical product guidance, purchasing information and updates from the electrical industry.

TECHNICAL ARTICLE

How to Write a Power Transformer Specification

A practical way to turn network duty, site limits and commercial expectations into one reviewable transformer specification.

TECHNICAL ARTICLE

Oil-Immersed or Dry-Type Transformer: A Design Decision

Oil-immersed and dry-type transformers solve different installation problems; the building and operating environment usually decide first.

TECHNICAL ARTICLE

Why Transformer Impedance Changes the Whole System

Impedance links transformer design to fault current, voltage regulation, motor starting and parallel operation.

TECHNICAL ARTICLE

Designing Step-Up Transformers for Solar Projects

Solar transformer duty follows inverter behaviour, collector voltage, grid-code operation and repeated daily thermal cycling.

TECHNICAL ARTICLE

Pad-Mounted Transformer Selection Checklist

A pad-mounted transformer is defined as much by utility interfaces, cable arrangement and protection as by kVA.

TECHNICAL ARTICLE

Compact Substation Layout: Design Before Packaging

Compact substation design begins with safe operation, cable geometry and maintenance access—not the smallest possible enclosure.

FAQ

Find clear answers about products, standards, quotations, testing and delivery.

Yes. Apex can coordinate export packing, commercial documents and international shipment according to the agreed Incoterms and destination requirements.

Lead time depends on product type, rating, customization, material availability and factory schedule. Apex confirms a project-specific schedule with the quotation rather than publishing an unsupported universal promise.

The order can include drawing approval, material and process checkpoints, routine test records, third-party inspection and shipment documentation according to the agreed inspection plan.

Project-specific configurations may be available after technical review. Customization can include voltage ratio, impedance, losses, enclosure, cooling, accessories, monitoring and environmental requirements.

Support depends on the selected product and manufacturing route. Common project requirements include IEC 60076 and relevant ANSI/IEEE series. Compliance and certification must be confirmed for the specific quoted product.

Please provide product type, rated capacity, high- and low-voltage, frequency, phase, applicable standard, installation environment, quantity, accessories and destination. A data sheet or single-line diagram is preferred.

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REQUEST A QUOTE

Send the product type, voltage, capacity, standard, quantity and destination. We will review the information and reply with the next steps.

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