Services

TAN DELTA ELECTRIC CORPORATION offers a wide range of services such as design, consultancy, construction, fabrication, installation, testing and commissioning of various electrical high and low voltage system and process instrumentation projects performed and administered by highly skilled group of engineers and technical personnel that can provide reliable and quality service in various fields of Electrical Engineering.

Preventive Maintenance, Testing and Commissioning of High and Low Voltage Substation Equipment

A wide range of clients are serviced by our company with over 15 years experienced in the installation, preventive maintenance, repair, testing and commissioning of high and low voltage substation equipment up to 500 kV.

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

500 kV Switchyard Maintenance and Testing
500 kV Switchyard Maintenance and Testing

Substation Maintenance and Testing
Substation Maintenance and Testing

Testing at 230kV Switchyard
Testing at 230kV Switchyard


CB Testing at 230kV Switchyard
CB Testing at 230kV Switchyard

C and DF Test of Transformer
C and DF Test of Transformer


Hi-Pot Testing of Power Cable
Hi-Pot Testing of Power Cable


PD Testing of 100MVA, 138KV Transformer
PD Testing of 100MVA, 138KV Transformer

Our highly skilled and trained licensed electrical engineers and technicians can support various customer needs and can perform the following:

  1. Transformer Turns Ratio (TTR) Test
  2. Insulation Power Factor/Tan Delta Test
  3. Insulation Resistance Test
  4. Winding Resistance Test
  5. Contact Resistance Test
  6. Earth/Ground Resistance/Soil Resistivity Measurement
  7. Circuit Breaker Analysis (Timing and Motion Test)
  8. Frequency Response Analysis
  9. Instrument Transformer (CT/PT) Test
  10. Power Quality Analysis
  11. Oil Dielectric Breakdown Voltage (DBV) Test
  12. SF6 Gas Moisture and Purity Test
  13. Protective Relay Testing and Calibration
  14. AC/DC High Potential Leakage Current Test
  15. Transformer Partial Discharge Analysis and Fault Location
  16. Generator/Motor Phase Resolved Partial Discharge Test

Our various state of the art electrical testing and diagnostic instruments for field servicing and testing of HV and LV Electrical substation equipment:

Description Make/Origin Model Qty.
12kV Automatic Insulation Power Factor/Tan Delta Test Set Presco AG, Switzerland FT12 1
10kV Automatic Insulation Power Factor/Tan Delta Test Set Samgor Technology,China SG-2008A 1
10kV Insulation Resistance Test Set Metrel, Slovania MI-3200 2
5kV Insulation Resistance Test Set Metrel, Slovania MI-3201 2
5kV Insulation Resistance Test Set Metrel, Slovania MI-2077 2
5kV Insulation Resistance Test Set Megger, U.S.A. BM25 1
Earth/Ground Resistance Test Set Metrel, Slovania MI-2088 1
60 Amps. 2-channel Winding Resistance Test Set w/tap changer analyzer DV-Power, Sweden RMO60T 1
10 Amps. Digital Low Resistance Ohmmeter Megger, U.S.A. DLRO10 2
400 Amps. Micro-ohmmeter for Contact Resistance DV-Power, Sweden RMO400 1
3-Phase Transformer Turns Ratio (TTR) Test Set DV-Power, Sweden TRT30 1
1-Phase Transformer Turns Ratio (TTR) Test Set Raytech, Switzerland TR-Jr. and TR-1P 2
1-Phase Transformer Turns Ratio (TTR) Test Set Schuetz Gmbh, Germany PWR-1 1
1-Phase Transformer Turns Ratio (TTR) Test Set Biddle, U.S.A. 550001 1
Circuit Breaker Analyzer (Timing and Motion) Elcon AB, Sweden SA10 1
Circuit Breaker Maintenance Tool Kit and Analyzer Elcon AB, Sweden PDT-3 1
SF6 Gas Analyzer (Moisture and Purity) RH System, U.S.A. 973-SF6 1
Relaying Current Transformer Analyzer Eltel, India CTERP 1
Partial Discharge Analyzer and Fault Locator DDI, U.S.A. FDD-EPT 1
Phased Resolve Partial Discharge Analyzer PDTech, Switzerland Micamaxx Master 1
75 kVDC Hi-pot Test Set HV Inc., U.S.A. PTS-75 1
80 kVAC Oil DBV Test Set Deltatronic, Austria Portatest A2-80 1
60 kVAC Oil DBV Test Set Phenix, U.S.A. LD-60 1
60 kVAC Oil DBV Test Set Hipotronics, U.S.A. OC-60A 1
3-Phase Power Quality Analyzer Summit Technology, U.S.A. PS4500 1
3-Phase Power Quality Analyzer Summit Technology, U.S.A. PS4000 1
3-Phase Power Quality Analyzer RPM, U.S.A. 1650 1
3-Phase Universal Protective Relay Test Set Ponovo, China PW-460 1
1-Phase Protective Relay Test Set Ponovo, China T-500 1
Frequency Response Analyzer Starlogic, South Africa FRAMIT 1
Dew Point Tester Alpha Moisture, U.K. Sadp-Mini 1