Power Projects Awarded Short Circuit Study for Medium-Voltage Electrical Distribution System in East Africa
Supporting Safe and Reliable Medium-Voltage Network Operation Through Detailed Fault Level Assessment
Power Projects has been awarded a Short Circuit Study for a medium-voltage electrical distribution system in East Africa.
The study will be performed using ETAP 22.5/24 to evaluate fault current levels throughout the electrical network and verify that switchgear and associated equipment are capable of safely withstanding prospective fault conditions.
By providing an accurate assessment of fault levels, the project will support reliable system operation, equipment verification, and informed engineering decisions for future network modifications and expansion.
Project Overview
The electrical distribution system supplies critical industrial loads and requires a detailed evaluation of network fault levels to confirm that the installed equipment is appropriately rated for potential fault conditions.
Power Projects will develop a comprehensive ETAP model of the electrical network and perform fault analyses to determine maximum and minimum fault currents across critical locations within the system.
The results will provide valuable engineering insights to improve electrical system safety, validate equipment capability, and support long-term network reliability.
Project Scope
The study includes:
Scope of Work
- Detailed ETAP electrical network modelling
- Three-phase fault analysis
- Line-to-line fault analysis
- Double-line-to-ground fault analysis
- Single-line-to-ground fault analysis
- Fault current calculations at critical buses
- Verification of switchgear and equipment duty
- Engineering recommendations based on study results
Software Used
- ETAP 22.5
- ETAP 24
Engineering Methodology
Input Review and ETAP Model Development
The study begins with a detailed review of the client-provided engineering information.
Activities include:
- Development of a detailed ETAP simulation model
- Validation of transformer, switchgear, and load data
- Representation of the complete medium-voltage electrical network
- Review of electrical configuration and operating conditions
A validated digital model provides the foundation for all subsequent engineering assessments.
Network Modelling and Fault Level Assessment
Using the ETAP model, fault studies will be performed across the electrical network to evaluate:
- Three-phase bolted faults
- Line-to-line faults
- Double-line-to-ground faults
- Single-line-to-ground faults
Fault current levels will be calculated at critical buses to determine both maximum and minimum fault levels throughout the network.
These results will support equipment verification and future protection engineering activities.
Equipment Duty Verification
Calculated fault levels will be compared against the ratings of installed electrical equipment to confirm that the system can safely withstand prospective fault conditions.
The assessment includes:
- Verification of switchgear interrupting capacity
- Comparison of calculated fault levels with equipment ratings
- Identification of locations approaching equipment duty limits
- Engineering recommendations to enhance system safety and reliability, where required
Project Delivery
Following receipt of the purchase order and complete engineering inputs, the complete short circuit study will be delivered within an accelerated 2-day schedule.
Engineering Value
Short circuit studies play an essential role in the design, operation, and future expansion of electrical power systems.
Accurate fault level assessment enables engineers to:
Delivering Reliable Engineering Solutions
Through this project, Power Projects continues to strengthen its expertise in delivering specialised power system studies for industrial and commercial electrical networks across global markets.
By combining detailed ETAP modelling with comprehensive fault level analysis, the study will provide the client with a technically robust assessment of the electrical network, supporting safe operation, equipment validation, and long-term system reliability.
Need a Short Circuit Study for Your Network?
Power Projects delivers ETAP-based short circuit, protection coordination, and power system studies for industrial and utility networks worldwide.