Maximise Generator and Motor Performance with Advanced Testing Solutions.
Sigma Power Services (SPS) leads the industry in providing specialised testing services for rotating machines, ensuring optimal insulation condition and long-term reliability of generators and motors. Our extensive expertise and state-of-the-art technology help clients mitigate risks, extend equipment life, and improve operational efficiency.
Our comprehensive testing services deliver in-depth insights into the condition of rotating machines, allowing clients to detect potential failures early and prevent costly downtime. By combining advanced diagnostics with expert analysis, we help safeguard critical infrastructure and maintain peak performance.
Comprehensive Rotating Machine Testing Services
Sigma Power offers a full suite of testing solutions tailored to assess and monitor insulation health, ensuring the longevity and reliability of your machines.
Core Testing Services Include:
Insulation Resistance & Polarization Index Tests – Evaluates insulation quality and detects moisture or contamination
Offline and Online Partial Discharge Measurements – Identifies insulation defects without disrupting operations
Tan Delta and Capacitance Measurement – Assesses insulation aging and dielectric losses
AC/DC Dielectric Withstand Voltage Test – Verifies the strength and integrity of insulation under electrical stress
Winding Resistance Test – Detects potential winding faults and imbalances
Step Voltage Test – Highlights insulation weaknesses by applying incremental voltage levels
Recurrent Surge Oscillography (RSO) Test – Diagnoses turn-to-turn faults within stator and rotor windings
Advanced Inspections and Diagnostics
RTD (Resistance Temperature Detector) Inspection and Testing – Ensures the accuracy of temperature monitoring devices
Heater Inspection and Testing – Validates the effectiveness of anti-condensation heaters, preventing moisture-related issues
Motor Circuit Analysis (MCA): Comprehensive analysis to detect faults in stator windings, rotor bars, and other components
Electrical Signature Analysis: Provides a complete overview of machine health by evaluating electrical patterns and signals
Benefits of Our Rotating Machine Services
Enhanced Reliability – Early detection of insulation degradation and winding faults reduces the risk of unexpected failures
Increased Operational Efficiency – Our diagnostics help improve machine performance, minimising energy losses
Extended Asset Life – Proactive maintenance and detailed assessments ensure your rotating machines operate at peak condition for longer
Protect Your Investment with Sigma Power Services
By partnering with Sigma Power Services, you gain access to industry-leading expertise, innovative diagnostic tools, and a commitment to quality. Our rotating machine services provide essential insights that help optimise performance, enhance safety, and ensure uninterrupted operation.
Contact Sigma Power today to learn more about how our rotating machine testing and insulation assessment services can benefit your business.
Rotating Machine Servicing FAQ’s
Assessing the insulation condition of generators and motors helps detect early signs of wear, aging, or damage, preventing costly failures and ensuring reliable operation over the equipment’s lifespan.
Sigma Power employs cutting-edge methods such as Tan Delta and Capacitance Measurement, Offline and Online Partial Discharge Testing, AC/DC Dielectric Withstand Voltage Testing, and Recurrent Surge Oscillography (RSO) for comprehensive assessments.
Electrical Signature Analysis provides a detailed overview of a machine’s operational health by identifying issues like unbalanced loads, winding faults, or mechanical imbalances, ensuring proactive maintenance and extended equipment life.
Our Values
Driven by the principle of ‘Delivering Value. Always!’ our core values serve as a foundation for company culture and guide decision making, and interactions with customers, employees and partners across the group.
People
Safety
Exceptional Skill
Exemplary Service
Care
Common Systems