Protection for digital substations

High-performance protection makes your power supply future-proof

Protection is essential for network operators, electricity suppliers, and industrial enterprises in every sector. For over 100 years, Siemens has been offering successful and always innovative protection technologies. This means long-term user satisfaction with the products and solutions, with services, and with a partnership with a genuine global player. Siemens is the ideal partner for overcoming the challenges of the digital future.

Highlights, technical applications and product updates for substation automation and protection engineers.

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Protection products - Secure and efficient network operation

SIPROTEC 5

With modularly designed hardware and software and its high-performance DIGSI 5 engineering tool, the SIPROTEC 5 product family of field devices is perfect for protection, control, monitoring, and measuring applications in electrical energy systems. SIPROTEC 5 offers a wide product range with modular elements for every application and requirement.

REYROLLE 5

The protection, control, monitoring and measuring of our power networks is a vital element in managing our electrical assets, increasing reliability, sustainability and the safety of operating personnel. Our goal is to provide protection devices which provide flexible solutions and easy integration into an energy market which is becoming increasingly decentralized and digitalized.

Reyrolle 5 products and downloads

REYROLLE

We are committed to high technology development and manufacture with full use of the latest software at all stages of product development, manufacture and testing. This can be seen in the latest digital products that REYROLLE offer and is continuing with new innovations as part of the Siemens group.

SIPROTEC Compact

Perfectly suited for protection in distribution systems and industry, with minimal space requirement SIPROTEC Compact devices provide a comprehensive range of functions in a surprisingly compact and space-saving housing. Whether as main or as backup protection, a single SIPROTEC Compact device provides protection functionality for every conceivable fault. And it can do even more – it supports the control, automation, and monitoring functions in the substation.

SIPROTEC 4

SIPROTEC 4 leads the way in integrating protection, control, measurement, and automation functions in one device. The homogenous system platform, the unique DIGSI 4 engineering program, and extensive experience of more than a million successfully operating devices in the field worldwide – thanks to these unique advantages, SIPROTEC 4 enjoys top recognition among users worldwide.

Software

SIPROTEC and REYROLLE devices can be simply, reliably and safely engineered, adjusted, controlled, automated and evaluated with state-of-the art software.

Accessories

Siemens offers a comprehensive selection of accessories for its protection technology products. This allows further expansion of the application possibilities and the performance.

Easy Protection Device Selector

This tool gives a quick guidance to find a protection device of SIPROTEC 5, SIPROTEC 4, SIPROTEC Compact, Reyrolle which would fit your needs.

Easy Protection Device Selector

Highest availability even in harsh environment

SIPROTEC 5 and SIPROTEC Compact – Conformal Coating as standard

The new coating feature provides an additional level of protection for SIPROTEC devices used in extremely harsh environmental conditions.

Learn more about conformal coating

Protection solutions with SIPROTEC and Reyrolle

For over a century, innovative protection relay and control technology from Siemens has ensured a reliable power supply as well as secure and efficient grid operations. The comprehensive range of products and solutions meets all conceivable requirements.

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SIPROTEC 5

With SIPROTEC 5, Siemens is offering the most comprehensive protection portfolio in the industry.

SIPROTEC 5 sets the benchmark for protecting, automating, and monitoring your network. As an incomparably modular, flexible generation of intelligent digital field devices, SIPROTEC 5 offers a comprehensive product family with modular elements for every application and requirement that can be precisely configured to your application.

SIPROTEC 5 delivers maximum protection and flexibility throughout the entire lifecycle. Take advantage of the leading provider in the field of protection, a global partner that supports you every step of the way.

Learn more about SIPROTEC 5

Online configurator

Design your perfect solution with SIPROTEC 5 using our online configurator. You’ll have your solution of choice, in just a few mouse clicks.

Online configurator

Reyrolle Protection Relays

Reyrolle continues its tradition of quality protection relays and control devices.

Uncompromising to achieve maximum performance: We are committed to high technology development and manufacture with full use of the latest software at all stages of product development, manufacture, and testing. This can be seen in the latest digital products that Reyrolle offers and is continuing with new innovations as part of Siemens.

Learn more about Reyrolle protective relays

Innovation highlights A new flexible generation of innovative and intelligent field devices. Learn more about how SIPROTEC 5 can support you in your work.

Designed to communicate

Holistic Workflow

IEC 61850 – simply usable

Perfectly tailored fit

Safety and security inside

Smart Automation for grids

Other highlights For over a century, innovative protection relay and control technology from Siemens has ensured a reliable power supply as well as secure and efficient grid operations. The comprehensive range of products and solutions meets all conceivable requirements. Here are some examples.

References

EPCOR

Edmonton

Canada

Cutting costs with process bus technology

EPCOR reduces the operating costs of its substation
Use of process bus technology based on IEC 61850-9-2
Experience from this pilot project helps with additional implementations

Learn more

Panama II substation

Pancora

Panama

Lower costs, more flexibility

Adaption of the distribution grid to rapidly increasing power consumption
This includes the modernization of one of the largest substations in the country
Rugged solution based on IEC 61850 reduces the operating costs and increases flexibility

Learn more

Red Eléctrica del Sur S.A.

Arequipa

Peru

Greater stability in the Peruvian grid

Implementation of digital fault recorders in transmission lines of more than 100 kV
Effective interaction of SIPROTEC 7KE85 and the SICAM PQS software
Greater grid stability thanks to improved monitoring of the energy value chain

Learn more

Rheinische NETZGesellschaft mbH

Cologne

Germany

Smart grid expansion

Retention of and further improvement to the security of supply
Flexible adjustment and expansion options via decentralized automation and control units
Tested alternatives to conventional grid expansion reduce investment costs

Learn more

Downloads

News & Media You’ll find interesting news and information that’s always being updated.

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Digital substations with the Future built in

Learn more about digital substation and their important role within power grids.

SIPROTEC and SICAM Security Update Report

Stay up-to-date with the report outlining the newest security and patch related news.

Customer Support Center

The Customer Support Center (CSC) from Siemens for all inquiries in the field of power and energy. We offer competent, reliable and prompt customer support, worldwide, 24 hours a day in English and German.

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Siemens Power Academy TD

Professional training in the area of power transmission and distribution, from beginner to experts.

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Protection for digital substations

High-performance protection makes your power supply future-proof