Numerical Relay Testing Services

OMICRON Make Relay Testing Services (All Models)

APN Electrotech Engineering Service provides comprehensive Protection Relay Testing, Commissioning, and Maintenance Services using OMICRON Make Advanced Relay Test Kits. We are equipped to test all types and models of OMICRON relay test equipment, ensuring accurate, reliable, and standards-compliant testing of protection relays across substations and power systems.

Service Description

Our OMICRON-based relay testing services ensure correct operation, coordination, and reliability of protection relays installed in EHV, HV, and MV substations. Using state-of-the-art OMICRON relay test kits, we perform secondary injection testing, functional verification, and end-to-end protection testing for both conventional and numerical relays.

OMICRON Relay Test Kit Capabilities

We support testing using all major OMICRON relay test kit models, suitable for:

• Numerical & Microprocessor-based Relays

• Distance, Differential & Overcurrent Protection

• Transformer, Generator & Motor Protection

• Feeder, Busbar & Line Protection

• IEC 61850 / SAS-based Protection Systems

Scope of Testing Services

• Secondary injection testing of protection relays

• Pickup, dropout & timing accuracy verification

• Characteristic curve testing (IDMT / DT / Instantaneous)

• Distance relay zone testing

• Differential relay stability & sensitivity testing

• IEC 61850 GOOSE & Sampled Values testing

• End-to-end relay testing (where applicable)

• Protection relay setting verification & validation

• Testing before commissioning and during shutdown maintenance

Standards & Compliance

• IEC Standards

• IS Standards

• Utility & OEM-specific protection philosophies

Applications

• EHV / HV Substations

• Power Transformers

• Transmission & Distribution Networks

• Power Plants (Thermal, Solar, Wind, Hydro)

• Industrial Electrical Systems

Benefits

• Accurate and repeatable test results

• Improved system protection reliability

• Early detection of relay mis operation risks

• Reduced outage time and operational failures

• Detailed test reports for audits and utilities