| CONDITION MONITORING OF EHV OBJECTS |
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| Undertaking preparation of Cable termination schedule, Laying, Termination, Testing & Commissioning of EHV Sub-Station Projects.( From 66 Kv -- to – 400 Kv ) |
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| POWER TRANSFORMER TESTING |
1] Sweep Frequency Response Analysis (SFRA)
2] Capacitance & Dissipation Factor ( Tan-Delta ) measurement.
3] Winding Resistance Measurement.
4] Insulation Resistance / Polarization Index.
5] Turns Ratio.
6] Voltage Ratio.
7] Open & Short Circuit.
8] Magnetic Balance.
9] Vector Group. |
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| CT / PT Testing |
1] Capacitance & Dissipation Factor ( Tan-Delta ) measurement..
2] Insulation Resistance / Polarization Index.
3] Polarity
4] Ratio
5] Primary Current Injection.
6] Knee Point Voltage Measurement. |
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| CIRCUIT BREAKER TESTING |
1] Insulation Resistance
2] Contact Resistance Measurement.
3] DCRM ( Dynamic Contact Resistance Measurement.)
4] Timing Set. |
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| LIGHTENING ARRESSTORS ( L.A. ) TESTING |
1] Insulation Resistance
2] On Line Leakage Current Measurement ( LCM ) |
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| H.T. MOTOR / GENERATOR TESTING |
1] Capacitance & Dissipation Factor ( Tan-Delta ) measurement.
2] Insulation Resistance / Polarization Index.
3] Winding Resistance Measurement.
4] Partial Discharge Test.
5] Vibration & Current Signature Analysis.
6] Harmonic Analysis
7] D.C. Hi-Pot Test. |
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| XLPE H.T. CABLE TESTING |
1] Capacitance & Dissipation Factor ( Tan-Delta ) measurement.
2] Insulation Resistance
3] D.C. Hi-Pot Test. |
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