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.
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.
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.
Topics and applications
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.
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.
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.
Protection devices for your successFor 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.
Arc fault protection is a relatively new technique employed for the fast clearance of arcing faults on busbars and within metal clad switchgear & associated cable boxes. The arc is detected using an optical sensor & the signal input to a protection device which also monitors the load current on the system. Conventional current based protection techniques are at times challenged by the nature of arcing faults, and can result in slow protection clearance times. Slow protection clearance times increase the risk to nearby personnel and increase the degree of damage to plant and equipment. By employing an optical detection technique, Arc Fault Protection results in fast clearance of arcing faults.
Engineering Software DIGSI 5
DIGSI 5 is the versatile engineering tool for parameterization, commissioning and operating all SIPROTEC 5 devices. Its innovative user interface includes context-sensitive user instructions. Simple connection to the device via USB enables you to work with a device easily and efficiently. The full capabilities of DIGSI 5 are revealed when you connect it to a network of protection devices: Then you can work with all of the devices in a substation in one project.
DIGSI 5 offers superior usability and is optimized for your work processes. Only the information you actually need to carry out your tasks is shown. These can be reduced further using expanded filter mechanisms. The consistent use of sophisticated, uniform mechanisms in the user interfaces requires less training.