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Power Systems Technical Articles

Our experts continuously work on power systems problems, and we share solutions with Practical Reference Articles.

The main topics are earthing system modeling, power cable ratings, HV/LV electrical design, protective device coordination, and arc flash studies. We cover IEC and IEEE standards.

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Low Voltage Design
Earthing Design
High Voltage Cable Design
Arc Flash Studies
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Electrical Software
Infographic on power systems earthing standards, featuring diagrams and guidelines for substation earthing, touch/step voltage limits, and testing. Includes industry logos and software ad.
4 mins read

Standards for Power Systems Earthing Design

Experienced electrical engineers created this reference list of standards for power systems earthing/grounding for substations, renewable energy, etc.
Close-up of a high-voltage power cable, showing layers of insulation, copper conductors, and outer black sheath.
5 mins read

Summary of Electric Power Cable History

This article provides a timeline of the key milestones from early 19th century insulated wires through to modern innovations in high-voltage cables.
Screenshot of cable sizing calculator software named Cable Pro Web
4 mins read

JCalc vs Cable Pro Web: A Complete Comparison

Cable Pro Web is cheaper with more features than JCalc (which is not free). Choose cable sizing software that scales with your business. This article honestly compares prices, features and ease of use.
Close-up of orange industrial cables coiled together, with one frayed open end visible in the foreground.
10 mins read

AS/NZS 3008 Cable Sizing Calculations: Step-by-Step Guide

Size active, neutral, and earth cables using AS/NZS 3008. The guide covers current capacity, voltage drop, and short-circuit calculations with examples.
Diagram showing electric field (E), gravitational field (G), weight (W), and electrostatic force (Fe) acting on a charged oil drop.
10 mins read

Modelling a Fall of Potential Earth Grid Impedance Test

Understand how software simulations enhance grid impedance tests, improving accuracy and efficiency in earthing system design and performance evaluation.
Four thermal maps display varying heat distributions in a target area, with colors ranging from blue (cool) to red (hot).
7 mins read

Advanced Soil Drying for Accurate Ampacity Calculations

New methods address IEC 60287 limitations for soil drying calculations. Considers multiple circuits, load factor, and backfill installations for accurate power cable ampacity.
Infrared image of cable tray showing temperature gradients with adjacent diagrams labeled Flat (1), Flat (2), Trefoil (1), Trefoil (2), and check or crossmarks indicating status.
8 mins read

Ampacity of Power Cables Installed in Trays

Explore the factors affecting cable ampacity in trays, including thermal and electromagnetic effects. Learn calculation methods and best practices for safe power cable installations.
Offshore Wind Farm ELEK Software 1170x585 - Articles
2 mins read

Cable Tray Material Selection for Offshore Facilities

Based on extensive field experience, this article recommends the best materials for cable trays for use in offshore facilities such as offshore wind, solar, and oil rigs.
A technician wearing black gloves uses a multimeter to test wiring connections inside an electrical control panel.
8 mins read

Step-by-Step Arc Flash Calculation: Real-World Example Using IEEE Standard 1584

All steps of a real-world arc flash calculation example of a low-voltage AC installation with transformer, main switchboard, and distribution boards are explained.
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