Performs Testing & Commissioning of Substation Equipments.
Activities include :
MV / HV / EHV CABLES
 |
Voltage Withstand Test for Power Cables after Installation:
- Insulation Resistance Test
- DC Pressure Test / VLF Test as per Client requirement |
 |
|
Sheath Test at 12KV DC to check integrity of HV/EHV Cables after installation. |
|
Sheath Fault Location for HV / EHV Cables (Cables coated with Graphite) |
|
|
Cable Conductor Fault Location |
|
|
Distribution / Power transformers
|
Turns Ratio Test |
|
Vector Group Test |
|
Percentage Impedance test |
|
|
Excitation Current Test |
|
Polarization Index |
|
Magnetic Balance Test |
|
|
Transformer Oil Analysis |
|
Winding Resistance Test |
|
Capacitance & Tan-Delta Test |
|
|
Insulation Resistance Test |
|
Transformer Protection Devices Function Test. |
|
Sweep Frequency Response Analysis |
| Transformer Oil Filtration Machines (Mineral oil & Silicone Oil) of various capacities (1200LPH, 2400LPH, 4500LPH & 6000LPH) for filtration of Transformer Oil. |
LV/HV Switchboards includes:
| 1. Current Transformer Testing |
|
Turns Ratio |
|
Polarity Test |
|
Excitation characteristics (Vkp) |
|
|
Winding Resistance of Secondary Winding |
|
Insulation Resistance Test of Secondary Winding |
|
Voltage Ratio |
|
Polarity Test |
|
Insulation Resistance Test |
|
Winding resistance of HV & LV Windings |
|
Torque Test |
|
Contact Resistance Test |
|
Insulation Resistance Test & Power Frequency Withstand Test |
|
Contact Resistance Test |
|
Breaker Timing Test |
|
Insulation Resistance Test |
|
|
Power Frequency Withstand Test |
|
|
| 5. Secondary Injection Test of Protection relays (Electro-Mechanical, Static & Numerical Relays) |
| 6. Scheme Check (Functional & Interlocks) |
| 7. Wiring Check by Primary Injection |
| 8. System Integrity Check (Transformer / Cable / Motor Differential Stability & Transformer REF Stability) |
UPS / Battery Banks
|
Charging |
|
Battery Capacity Test using Load Banks |
|
Re-Charging |
DG Sets
|
Load Test on DG Sets |
|
|
|
.jpg)
