Primary
Testing

Home Our Services Primary Testing

EPENAM features a highly trained and experienced team dedicated to power system protection, control, and automation services. Our hands-on expertise spans from Low Voltage (LV) and Medium Voltage (MV) to 500 kV Extra High Voltage (EHV) power systems. We specialize in services for the protection and control of power transformers, generators, motors, and other primary & secondary equipment. Additionally, our offerings extend to Asset Monitoring, covering transformer Monitoring & Diagnostics for DGA, and thermal visual monitoring of substation equipment. With a rich domain experience of two decades, our services have made an impact in 16 countries across 3 continents. Wherever you are in the world, EPENAM is committed to delivering your customers the high-performance standards you are known for.

We Offer Testing For

Generator/Rotating Machines

Partial Discharge Analysis
Dissipation / PF & Capacitance (Tan δ)
Dielectric Response Analysis
Voltage Withstand
Insulation Resistance
High Voltage Withstand
Temperature Rise
Polarization Index (PI) Measurement
Dielectric Absorption Ratio
Winding Resistance
Inter-turn Fault
Contact Resistance
Pole Drop
Stray Flux Measurement (ELCID)
Sweep Freq. Response Analysis (SFRA)

Power Cables

Gas / Air Insulated Switchgear

Operation Time
Voltage Withstand
Partial Discharge
Contact Resistance / DRM
Motion Recording and Analysis
Motor Current Measurement
Coil Current Measurement
Overcurrent Release
Undervoltage Release
PF / Grading Capacitance Measurement

Power Transformers

Insulation Resistance
Dielectric Voltage
Excitation Current
Online / Offline Partial Discharge
Leakage Reactance / Impedance
Dissipation / PF & Capacitance (Tan δ)
Turn Ratio (TTR)
Winding / Dynamic Resistance
Sweep Freq. Response Analysis (SFRA)
Fast Dissolved Gas Analysis
Transient Overvoltage
Moisture Analysis
Tap Changer Analysis
Demagnetization
Freq. Response of Stray Losses (FRSL)
Dielectric (Freq.) Response Analysis

Instrument Transformers

Partial Discharge
Dissipation / PF & Capacitance (Tan δ)
Moisture Analysis
Ratio, Phase, Polarity, Capacitive Ratio
Composite error (ALF, ALFi, FS, FSi, Vb)
Secondary Injection
Winding R / Leakage X / Short-circuit Z
Excitation Characteristics
Burden Impedance
Nominal Burden / Operating Burden
Transient CT Classes & Parameters
Transient dimensioning factor (Ktd)
Remanence / Residual Magnetism
Saturation Simulation
C-divider

Grounding System

Motors

Electrical Signature Analysis / ML
Motor Circuit Analysis (MCA)
Vibration Analysis (MVA)
Infrared Thermography
Air Gap Inspection
I²R, Iron Core, Stray-Load Losses
Friction & Winding Losses
Rated Load Temperature
Ultrasonics
Current-Time Characteristics
No Load Current
Shaft Voltage & Current
Speed-Torque Verification
LRC, FLA, Slip
Noise Attenuation

Power Transformers
ISO/IEC 17025:2017

Color /Appearance / Fibers
Moisture Analysis / Water Content
Acidity Index
Dielectric Strength
Breakdown Voltage
Dissolved Gas Analysis
Gas / Liquid Chromatography (Furan)
Dielectric Dissipation Factor (Tan δ)
D.C. Resistivity / Permittivity
Flash Point (PMCC / Cleveland)
Inhibitor Content / Antioxidant
Kinematic Viscosity @ 40℃ / 100℃
Inter-Facial Tension (IFT)
Oxidation Stability
Corrosive / Potentially Corrosive Sulphur
Total Sulfur by WDXRF
Pour / Cloud Point Analysis
Viscosity @ -20℃
Particle Count / Sediments / Sludge
Polychlorinated Biphenyl (PCB)
Polycyclic Aromatics (PCA)
Furfural Contents
Metal Passivator Additives
Relative Permittivity
Degree of Polymerization
Refractive Index
Paper Furan / Phenol / Methanol

Our Tools Universe

HAEFELY TTR 2796

Transformer Turns Ratio Meter

MIDAS Micro 2883

C & Tan Delta / Power Factor / Dissipation Factor Tester

HAEFELY FRA 5311

Sweep Frequency Response Analyser

GE Kelman Transport X2

Enhanced Portable Onsite PAS Multi-gas Dissolved Gas Analyser

GE Kelman Transport X

Portable Onsite PAS Multi-gas Dissolved Gas Analyser

Megger TM1600

Circuit Breaker Analyser

Megger TTR

Single Phase Transformer Turns Ratio Test Set

Megger MOM600

600 A Output Contact Resistance
Measurement Testing

Megger Karl Fischer KF875

Moisture in Oil Test Set

Megger OTS80AF

Insulating Oil Test Set

Morgan Schaffer Myrkos

Portable Dissolved Gas Analyser

Schimadzu GC-2010

Fast Responding GC Detector

Schimadzu LC-2010

High Performance Liquid Chromatograph

BAUR DTL C

Insulation Oil Testing System

Stanhope-Seta 13661-4

PMCC Flash Point Tester

Agilent 5500

Compact FTIR Spectrometer

Stanhope-Seta KV-6

Laboratory Viscometer Bath

Metrohm 702 SM Titrino

Potentiometric Auto Titrator

Kruss Tensiometer K9

Interfacial Tension (IFT) Tensiometer

SANFA DHG-9202

Electric Oven

Scavini

Laboratory Viscometer Bath

Parker icountBSplus

Particle Count

Our Trusted Testing Platforms

Our Services Footprint

In ~20 Years

450+

Services Interventions

15

Countries Traveled

More than

145,000

Manhours Spent

Discover More

Secondary Testing

Explore EPENAM’s services for Secondary Testing and its history and footprint.

Commissioning

EPENAM offers extensive commissioning services for your power systems assets ranging form Generator Protection Panels to DGA Monitoring Equipment.

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