Protection system studies

No matter how well designed, faults will always occur in electrical power systems. These can lead to severe damage of installations and equipment and may even cause personal injury. Accordingly, defining an adequate protection system is an indispensable and integral part of power system design. Protection coordination means selecting and setting of protective devices so that they are sensitive enough to operate when needed, and selective enough to not operate, or provide adequate margin, when not needed. A protection coordination study or security assessment must consider the network topology, network elements, different operating conditions, utility practices and regulatory requirements.

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NERC PRC-027-1 – Coordination of Protection Systems for Performance During Faults

NERC Reliability Standard PRC-027-1 was approved by the Federal Energy Regulatory Commission (FERC) on June 7, 2018 and will go into effect on October 1, 2020. North American transmission owners, generator owners and distribution providers seeking a timely, cost-effective and proven solution can leverage Siemens Power Technologies International’s (Siemens PTI’s) vast industry expertise to comply with the PRC-027-1 reliability standard. Using PSS®CAPE or SIGUARD®PSA, we can design a customized solution that fits individual needs.

Protection system studies

Proper design and coordination of protection systems for safe and reliable grid operation

Siemens PTI offers a wide range of consulting services in the field of protection and control, aimed at sustainably optimizing the reliability and safety of power grids. Our protection expertise spans transmission, distribution, generation and industrial segments.
Protection Whitepaper

Download Now | Whitepaper: Protecting the Electrical Grid

The electric grid is changing. With an industry shift towards greener energy, utilities are facing new challenges as wind and solar plant connections increase at both the transmission and distribution levels. Within this whitepaper, learn about the emerging technical challenges for protection engineers, possible options for mitigation strategies, and how to leverage simulation and visualization tools to better understand the challenges presented.

Project examples

Take a look at some of our project examples in the field of protection and control system studies.


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If you’d like to learn more about what we can do for you, please contact us. We’re looking forward to answering all your questions about our consulting services, and we’ll be pleased to provide you with comprehensive information.

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