Calculating relay protection and automation settings (RPA) is a critical process that ensures the smooth and safe operation of power systems. During the design and operation of electrical substations, the accuracy of RZiA settings determines how quickly and effectively protective devices can respond to emergency situations such as short circuits, overloads, or phase breaks. This directly affects the reliability of power supply and the safety of expensive equipment.
Specialists from System Power Solutions LLP have successfully completed comprehensive work on calculating the settings for the relay protection and automation system for the 110 kV switchyard at the 220/110/10 kV Makinsk substation in Kazakhstan. This project was aimed at improving the reliability of the power grid and minimizing risks.
The following activities were carried out as part of the work performed:
- Analysis of existing substation diagrams and equipment.
- Calculation of short-circuit currents for all possible network operating modes.
- Determination of optimal parameters for protective devices, taking into account their selectivity and sensitivity.
- Development of recommendations for configuring relay protection equipment to ensure its coordinated operation.
The calculations performed not only optimized the protection parameters, but also improved the overall stability of energy systems in the region. The work of our specialists in calculating the settings for the Makinka substation confirms System Power Solutions‘ high level of expertise and experience in solving complex engineering problems in the energy sector.