COMPREHENSIVE PROTECTION SERVICES

Protective Relay Services

Protective relays sit at the front line of system safety. When faults occur, these devices determine whether equipment is isolated correctly or whether failures cascade across assets. Our work helps asset owners and operators trust that protection systems will respond correctly when conditions demand it.

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BUILT FOR ACCURATE PROTECTION AND SYSTEM CONFIDENCE

Protection systems do not get second chances

Incorrect settings, drifted calibration, or incomplete testing can turn a routine fault into a major event. Belenus focuses on verifying that protective relays operate exactly as intended. Testing, calibration, and maintenance are performed with attention to system design, operating conditions, and protection philosophy.

Functional testing to confirm correct relay operation and response
Calibration to verify accuracy and alignment with protection settings
Maintenance to address degradation, configuration issues, or performance concerns
Troubleshooting support when relay behavior or system response raises questions
Documentation to support NERC PRC-005 compliance where applicable

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Substation testing that prevents failures

APPROACH

Built around how protection systems behave

Belenus approaches relay services with a focus on understanding intent, verifying performance, and identifying issues before they create operational risk.

EXECUTION

Precise testing by experienced technicians

Our teams perform relay testing and calibration using established procedures and calibrated equipment.

DOCUMENTATION

Results that support protection decisions

Relay test results are documented clearly, with emphasis on functional performance, observed issues, and required follow-up.

ACCOUNTABILITY

Clear insight into protection readiness

Asset teams receive the information they need to assess risk, prioritize corrective action, and maintain confidence in protection systems.

FLEXIBLE BY DESIGN

Relay services that fit system complexity

Protection systems vary widely based on asset type, operating conditions, and protection philosophy. Belenus tailors relay services to system requirements while maintaining consistent testing and reporting standards across sites.

WHAT’S INCLUDED IN OUR PROTECTIVE RELAY SERVICES?

Belenus Power Group delivers comprehensive relay services designed to support system protection, operational confidence, and compliance obligations.

Functional testing of protective relays
Relay calibration and verification
Maintenance and configuration review
Troubleshooting support for abnormal relay behavior
Documentation aligned with NERC PRC-005 requirements where applicable

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DESIGNED FOR CRITICAL PROTECTION SYSTEMS

FUNCTIONAL PERFORMANCE

Verify correct response

Testing confirms relays operate as intended under defined fault conditions.

SETTINGS ACCURACY

Maintain protection integrity

Calibration ensures relay measurements and responses align with system requirements.

SYSTEM COORDINATION

Support reliable fault isolation

Testing helps confirm protection systems work together as designed.

ISSUE RESOLUTION

Address protection concerns

Troubleshooting support helps resolve unexpected relay behavior or system events.

OUR PROCESS

A focused approach to relay testing and maintenance

Effective protection depends on careful execution and clear understanding.

1

Scope definition and system review

Each engagement begins with a review of protection design, relay configuration, and testing objectives.

2

Field testing and calibration

Testing and calibration are performed using documented procedures and calibrated tools.

3

Evaluation and documentation

Results are reviewed to identify issues, confirm performance, and document outcomes.

4

Communication and follow-up

Findings are communicated clearly to support corrective action and ongoing protection assurance.

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STANDARDS & COMPLIANCE

Relay services performed with rigor and care

Protective relay services support system safety, regulatory expectations, and operational reliability.

NERC PRC-005 support and documentation where applicable
NETA-aligned testing methodologies where appropriate
NFPA-70E safety practices integrated into field activities
Reporting structured for traceability and long-term reference

OUR COMMITMENT

Safety is non-negotiable

Relay testing is performed with careful planning and strict safety practices to protect personnel and assets.

Accuracy matters

Belenus treats relay testing as a precision task where details influence real-world outcomes.

Work you can trust

From execution through reporting, deliverables are designed to support confident protection decisions.

EXPERIENCE

Proven field expertise

Teams with hands-on experience across protection and control systems.

PARTNERSHIP

Integrated team approach

Close coordination with asset owners, operators, and engineering teams.

RESPONSIVENESS

Clear, timely communication

Direct support when protection questions arise.

WHY BELENUS

Built for confidence in compliance programs

PRC-005 testing works best as a continuous, managed program, not a series of disconnected tests. Belenus helps teams maintain compliance over time through disciplined execution and clear, reliable documentation.

Consistent methodologies across assets and portfolios

Standardized testing and reporting support repeatability and audit confidence.

Judgment informed by compliance experience

Findings are evaluated with awareness of regulatory expectations and operational impact.

Focus on audit readiness and reliability

Programs are designed to reduce compliance risk while supporting system reliability.

A technical partner you can rely on

Belenus works alongside your team to support sustained compliance.

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NFPA-70E Certified

Electrical safety training for HV and MV environments.

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NETA-Aligned Testing Practices

Calibrated instrumentation and established methodologies.

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NERC PRC-005 Program Support

Structured documentation and testing support for compliance.

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Quality Assurance & Controlled Procedures

Internal controls that support consistency and reliable results.

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