SonaPERT(Sona Electric Power Engineering Research & Testing Centre) is an integration of expertise, advanced tools and efficient management at one place for providing innovative research, testing, consultancy and training services in the field of High Voltage and Electric Power Engineering. It is fully committed to provide quality and innovations to electrical utilities and industries. Read more : www.sonapert.com

1. Web : www.sonapert.com
Email : sonapert@sonatech.ac.in
Phone : 0427-4099729

2. What does sonapert offer You ?
Consultancy
services
Testing
services
RESEARCH
ACTIVITIES
 Development of CMS for HV
power apparatus using
advanced software tools
 Development of nano-
dielectric materials for HV
applications
 Development of high
power sources and power
converters
 Development of
customized testing
instruments for industrial
applications
Transformers, circuit breakers
Relays.
CTs, PTs
Switchgear panels

3. PRODUCTS
DEVELOPED
CTPT CALIBER CORE LOSS ANALYZER
CABLE FAULT LOCATOR CT CALIBER
60 kW REGULATED DC POWER SOURCE
7.8 kW DECK POWER CONVERTER

5. • Relay Test
Advanced protective relay testing facilities for all types of relays ranging from
electromechanical types to numerical relays. Both on-site and in-house testing of relays
and periodic maintenance of relays are performed as per customer requirement.
• Temperature Rise Test
Temperature rise tests of switchgear panels, transformers, circuit breakers, bushings,
busbars etc. upto 5000 A
• High Voltage Power Frequency Withstand Test
This test is carried out for switchgear panels, transformers, disconnectors, Bushings,
Circuit Breakers, Bus bars, Insulators etc. upto 100 kV.
• Lightning Impulse and Chopped Impulse Voltage Test
This test is carried out for switchgear panels, transformers, circuit breakers and
insulators upto 300 kV.

6. • Tan Delta, Capacitance, Relative Permittivity and Resistivity Test
This test is carried out for both solid and liquid insulating materials
• Tracking Resistance Test
Evaluation of Tracking resistance of all types of insulating materials as per IEC
procedures
• Core loss Test
Evaluation of core loss , B-H Curve and peak flux density of iron cores
• CT and PT Accuracy Test
Evaluation of Ratio Error & Phase Error of Current and Potential Transformers
• BDV test of oil
Breakdown Voltage Test for all types of insulating oils is carried out upto 100 kV.

7. • Cable Fault Test
Identification and location of Open Circuit & Short Circuit Fault in Cables
• CTI Test
Evaluation of Comparative Tracking Index of all types of solid insulating materials
• Leakage current Test
Measurement of leakage current of surge arrestors and insulators
•Contact Resistance Test
Measurement of contact resistance of circuit breakers, switchgear panels etc.
•Insulation Resistance Test
Measurement of insulation resistance of Relays, Cables, etc.,
• Humidity Test
Aging and Humidity testing of indoor circuit breakers and insulators

8. Completed Research projects
S.No Title of Projects
1. Development of Electronic Potential Transformer Accuracy Test System from 11 kV to
33 kV
2. Development of high performance 60 kW regulated DC power source
3. Development of 8 kW deck power converter for underwater robotic applications
4. Development of Electronic controller for underwater submersible high power BLDC
motor
5. Development of Nano-Composite materials for Outdoor Insulation applications
6. Development of High Performance Condition Monitoring System for Power
Transmission Line
7. Development of nano polymeric insulation for underground cables
8. Development of nano-fluid insulation for power transformers
9. Development of Current Sensor Accuracy Test System
10. Solar Cell Battery System with Microcontroller Based Maximum Power Tracking For
Domestic and Street Lighting In Rural Areas
11. Outdoor Polymeric Insulator Pollution Assessment Based on Partial Discharge
Analysis
12. Lightning Impulse performance analysis of HV equipments

9. If you need any further details, kindly contact
Dr.S.Chandrasekar Ph.D(IITM), PDF(Italy)
Head/SonaPERT
Sona College of Technology,
Salem – 636005, Tamilnadu, India.
email : sonapert@sonatech.ac.in
off : +91-427-4099729