Electrical Testing Services
Ensuring the Safety, Reliability & Performance of Your Power Equipment
Introduction
With 25+ years of expertise, Shanthala Power Limited is one of India’s most trusted providers of Electrical Testing Services, delivering precise, reliable, and NABL-accredited testing solutions.
Our advanced testing infrastructure, mobile service vans, and highly qualified engineers enable us to perform laboratory and on-site testing for transformers, breakers, cables, generators, motors, relays, and other vital electrical assets.
We help industries, substations, and power utilities ensure maximum safety, reduced downtime, and optimal equipment performance.
Our Electrical Testing Capabilities
Below is the complete range of testing services offered:
🔌
Transformer Oil Testing (as per IS: 1866)
Includes:
- Breakdown Voltage (BDV)
- Moisture Content
- Density
- Kinematic Viscosity
- Pour Point
- Acidity (Neutralization Number)
- Dissolved Gas Analysis (DGA)
- Tan Delta (DDF)
- Flash Point
- Interfacial Tension
- Furan Analysis
- Corrosive Sulphur
- Sludge Content
- PCB Test
- Inhibitor Content
- Colour & Appearance
⚙️
Condition Monitoring of Transformers (CMT)
Routine Tests
- Insulation Resistance (IR)
- Polarization Index (PI)
- Dielectric Absorption Ratio
- Capacitance & Tan Delta
- Leakage Current
- Winding Resistance Measurement Test
- Neutral Floating Point
- Turns Ratio and Phase Angle Error Test
- Vector Group Test
- Excitation Current Test
- Magnetic Current Test
- Magnetic Balance Test
- Vector Group Test
- Step-Up Voltage TestShort Circuit Test
- % Impedance Test
- Operational Check on Buchholz Relay
Special Tests
- Dielectric Spectroscopic Test (RVM/Moisture content measurement test)
- Sweep Frequency Response Analysis (SFRA)
- WTI and OTI Testing
- Operational Check on PRV
- Dynamic Contact Resistance Measurement (DCRM)
Online Tests:
- Thermography Scanning
- Sound Level Measurement
- Partial Discharge Test
- Vibration Analysis
- Harmonic Analysis
Online Condition Monitoring (Live Testing)
- Thermography Scanning
- Partial Discharge Test
- Vibration Analysis
- Harmonic Analysis
- Sound Level Measurement
These online tests help detect early failures and prevent costly downtime.
Transformer Oil Filtration
- Oil Filtration
- Leakage Arresting
- OLTC Overhauling
- Gaskets/Bushings Replacement
- New Oil Supply
Substation Equipment Testing
CT (Current Transformer) Testing
- Capacitance & Tan Delta
- IR Test
- Winding Resistance
- Ratio Test
- Polarity Test
- Knee Point Test
PT (Potential Transformer) Testing
- Capacitance & Tan Delta
- IR Test
- Ratio Test
- Winding Resistance
Circuit Breaker Testing
- Contact Resistance
- Tripping & Closing Time
- Coil Resistance
- DCRM
- IR Test
Isolator Testing
- Contact Resistance
- IR Test
- HV Test (Special)
Lightening Arrester
- Measurement of 3rd Harmonic Leakage Current Test
- Leakage Test (Online)
- Insulation Resistance Test (Offline)
Electrical Tests on HV Cables
ROUTINE
- Insulation Resistance (IR)
- Dielectric Absorption Ratio Test
- Polarization Index (PI)
- Resistance Measurement Test
- Leakage Current Test
- Step-Up Voltage
- Capacitance , Tan Delta & Online PD
SPECIAL
- Insulation Resistance (IR)
- Hi-Pot Test
Earth Pit Test
- Earth Resistance
- With Grid, Without Grid
- Touch;Step;Potential
- Soil Resistivity
- Health Assessment of Grid
PERSONAL
PROTECTION
EQUIPMENT
R
RUBBER MAT
- AC Dielectric Strength Test
- Leakage Current Test
H
HAND GLOVES
- AC Dielectric Strength Test
- Leakage Current Test
- Air Leakage Test
E
EARTH DISCHARGE ROD
- AC Dielectric Strength Test
- Leakage Current Test
A
ARC SUIT
- Inspection
Generator Testing
Tests on Stator
- IR, PI & DAR
- DD Test
- Capacitance & Tan Delta
- Leakage Current
- Winding Resistance
- Partial Discharge
- Surge Comparison
Tests on Rotor
- IR Test
- Digital RSO Test
Tests on Exciter
- IR Test
- Winding Resistance
Special Generator Tests
- ELCID
- Wedge Mapping
Motor Testing
Insulation Resistance (IR) Test
Dielectric Absorption Ratio Test
Polarization Index (PI) Test
Dielectric Discharge (DD) Test
Capacitance & Tan Delta Test
Winding Resistance Measurement Test
Partial discharge Test
Surge Comparison Test
Winding Circuit Analysis(MCSA)
Online Tests
Electrical Signature Analysis
Vibration Analysis
Acoustic Emission Analysis
Relay Testing
Automatic Voltage Regulating Relay
Auxiliary Relay
Buchholz Relay
Differential/Directional Relay
HV No Voltage Relay
Instantaneous Over Voltage Relay
Instantaneous Earth Fault Relay
Master Tripping Relay
Motor Protection
Reverse Reactive Relay
Sensitive Earth Fault Relay
Trip Circuit Supervision Relay
Check Synchronizing Relay
Neutral displacement Relay
Over Current Relay & Earth Fault Relay
Protection Fuse Supervision Relay
Trip Circuit Supervision Relay
Vector Surge Relay
DC Failure Relay
Definite Time Relay
Distance Protection Relay
Earth Fault Relay
Feeder Protection
Fuse Failure Relay
Generator Protection
High Speed Tripping Relay
Instantaneous Differential
Instantaneous Under Voltage Relay
Maximum Demand Controller Relay
Over current Relay
Over Voltage Relay
Thermal Over Load Relay
Transformer Differential Relay
Transformer/Line Differential
Under Voltage Relay
Voltage Protection Relay
Energy Meter Testing/Calibration
Class
- 0.2s
- 0.2
- 0.5
- 0.5s
- 1.0
- 2.0