Our Testing &
Diagnostic Solutions
We provide comprehensive testing, diagnostic, and condition assessment services in compliance with relevant IEC, IEEE, and ASTM standards, ensuring the reliability, safety, and extended service life of critical electrical assets across transmission and distribution networks.
Our primary expertise lies in Partial Discharge (PD) diagnostics and advanced insulation assessment, supporting condition-based and risk-based maintenance strategies for utilities, EPCs, and industrial clients.
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Our Solutions
Comprehensive diagnostic services for critical electrical assets
Transformer Offline Diagnostic Services
Sweep Frequency Response Analysis (SFRA)
Detects winding deformation, core displacement, and mechanical movement caused by short-circuits, transportation, or seismic events.
Turns Ratio (TTR) Measurement
Verifies winding ratio accuracy and identifies shorted, open, or incorrectly connected turns.
Insulation Resistance (IR) & Polarization Index (PI)
Assesses insulation condition, moisture ingress, and contamination levels.
Tan Delta & Capacitance Measurement
Evaluates insulation aging, dielectric losses, and moisture presence in windings and insulation systems.
Transformer In-Service Diagnostics
Online Partial Discharge (PD) Measurement & Analysis
Comprehensive PD diagnostics using multiple sensor technologies including HFCT, Drain Valve Sensors, Acoustic Sensors, and RFI/UHF methods, enabling defect identification and trending without de-energizing the transformer.
Dissolved Gas Analysis (DGA)
On-site and laboratory analysis of transformer insulating oil to detect thermal faults, electrical discharges, and insulation degradation.
PD Trending & Condition Assessment Reports
Defect severity evaluation, condition grading, and maintenance recommendations aligned with international best practices.
Medium Voltage (MV) Switchgear
Partial Discharge (PD) Diagnostics
Detection of internal discharges, surface tracking, and corona in air-insulated compartments.
Contact Resistance Measurement
Identifies high-resistance joints and deteriorated contacts.
Insulation Resistance, Timing & Functional Tests
Confirms insulation integrity and mechanical performance of circuit breakers.
Gas Insulated Switchgear (GIS)
GIS Partial Discharge (PD) Diagnostics
Detection and localization of internal insulation defects using UHF, HFCT, and acoustic methods.
SF₆ Gas Analysis
Measurement of gas purity, moisture content, and decomposition by-products.
Contact Resistance Measurement
Ensures reliable current paths and early detection of degradation.
MV Cables
Partial Discharge (PD) Testing & Location
Identification and localization of insulation defects, joints, and terminations.
VLF Withstand Testing
Verification of insulation integrity without excessive electrical stress.
Tan Delta Measurement
Assessment of insulation aging, water treeing, and moisture ingress.
HV & EHV Cables
Online & Offline Partial Discharge (PD) Testing
Accurate PD detection and localization along cable systems.
Tan Delta & Capacitance Measurement
Evaluation of long-term insulation degradation and system uniformity.
Cable Termination & Joint Diagnostics
Verification of installation quality at critical interfaces.
Motor
Partial Discharge (PD) Measurement & Monitoring
Detection and analysis of insulation discharge activity in medium- and high-voltage stator windings.
Tan Delta & Capacitance Measurement
Assessment of resin-mica insulation systems for aging and degradation.
Insulation Resistance & Polarization Index (PI)
Evaluation of moisture ingress, contamination, and overall insulation condition.
Generator
Partial Discharge (PD) Measurement & Monitoring
Detection and analysis of insulation discharge activity in medium- and high-voltage stator windings.
Tan Delta & Capacitance Measurement
Assessment of resin-mica insulation systems for aging and degradation.
Insulation Resistance & Polarization Index (PI)
Evaluation of moisture ingress, contamination, and overall insulation condition.