Relay Protections – Configuration, Testing, and Diagnostics

In modern power systems, the reliability and safety of electrical equipment are of key importance. This is where relay protections play a crucial role – systems that automatically detect and isolate faults in electrical installations to prevent major damage, accidents, or power outages.

Expertise with All Types of Relay Protections

Our protection engineers have extensive experience with all types of relay protections from leading manufacturers, including:

• ABB – all relay types from various series such as COMBIFLEX, Relion, and more
• SIEMENS – all relay types from SIPROTEC 4 and SIPROTEC 5 series
• AREVA
• ALSTOM
• Schneider Electric
• VAMP
• Woodward
• Rocon
• EFACEC

Relay Protections Tailored to Client Needs

With our accumulated professional expertise, we have configured and tested systems under diverse requirements, developing numerous configuration solutions based on client specifications, including:

• Communication configuration under different standards such as IEC 61850, IEC 60870-5-103, Modbus, and others
• GOOSE messaging for implementing different types of interlocks
• GOOSE messaging for blocking protection functions and breaker logics
• Control functions with interlocks from the relay protection control panel
• Time synchronization using NTP / SNTP server, IRIG-B, and others

Certified Services

Intertest is accredited as a Type C Inspection Body according to ISO/IEC 17020, ensuring independence, objectivity, and adherence to the highest standards in inspections and testing.

Learn More

Want to understand more about relay protections and how Intertest can support your systems? Contact us today!