ENGINEERING INSIGHTS
Engineering Insights
Practical guidance on selecting, specifying and procuring electrical power equipment, written for engineers, contractors and procurement professionals. Choose a topic and explore its articles.
FEATURED ARTICLES
Featured articles
A rotating selection from across the knowledge centre.
Medium Voltage Distribution & Protection
Ring Main Units (RMUs): Configurations, Applications and Selection Considerations
Ring main units explained: functional units, configurations, insulation, ratings, internal arc classes, interlocks and how to specify an RMU up to 36 kV.
Transformers
Distribution vs Power Transformers up to 31.5 MVA / 36 kV: Ratings, Construction and Uses
What separates distribution from power transformers up to 31.5 MVA / 36 kV: function, ratings, construction, uses and what to specify.
Critical & Backup Power
Sizing a Diesel Generator: Loads, Starting Duty and Operating Conditions
How to size a diesel generator from real load demand, motor starting, load steps, power factor, site conditions and ISO 8528-1 duty ratings, not nameplate sums.
Medium Voltage Distribution & Protection
Specifying MV Switchgear: Key Ratings Explained
Why rated voltage, current, short-circuit, insulation and internal arc ratings must be read together when specifying MV switchgear.
Transformers
Sizing a Distribution Transformer: A Practical Checklist
A step-by-step approach from maximum demand to a standard kVA rating, including a worked example and the effect of impedance on fault level.
Equipment Selection & Specification
Writing a Clear Electrical Equipment Specification
How to write an equipment specification that states real requirements, separates must-haves from preferences and lets offers be compared fairly.
Procurement & International Supply
International Electrical Equipment Sourcing: From Enquiry to Delivery
The stages of international electrical equipment supply, from first enquiry through evaluation, documents, inspection and shipping to delivery on site.
Critical & Backup Power
Critical Power Systems: How Generators, UPS and ATS Work Together
How generators, UPS and automatic transfer switches share the work during a mains failure, from instant ride-through to standby supply and safe return.
TOPIC CATEGORIES
Browse by Category
Eight topic categories across the AdepaTrade knowledge centre. Open a category to see its articles.
Medium Voltage Distribution & Protection
Switchgear, ring main units and protection for distribution networks up to 36 kV.
Transformers
Selection, sizing and specification of distribution and power transformers.
Compact / Package Substations
Factory-assembled MV/LV package substations and how their components fit together.
Low Voltage Distribution & Control
Main distribution boards, motor control and LV switchgear for power distribution.
Critical & Backup Power
Generators, UPS systems and transfer arrangements that keep essential loads supplied.
Lighting & Infrastructure
Lighting and supporting electrical infrastructure for buildings, sites and public areas.
Equipment Selection & Specification
Choosing and specifying equipment: ratings, standards and selection criteria.
Procurement & International Supply
Sourcing, logistics and international project supply from Türkiye and Europe.