Testing Facilities at R & D, Chennai
Transformer Oil Testing
Sl.No. | Name of the Test | Equipment used |
| 1 | Dissolved Gas Analysis (DGA) Test To detect and quantify fault gases dissolved in Transformer oil so as to identify incipient faults in Transformers. | Gas Chromatograph with Head Space Auto Sampler Make: Perkin Elmer, U.S.A . Model : ARNEL CLARUS 580. |
| 2 | Furan Analysis Test To determine the deterioration, ageing state and the condition of the solid insulation in Transformers. | High Performance Liquid Chromatograph (HPLC) Make : Waters India Ltd. |
| 3 | Water content test To determine the dissolved water present in the Transformer Oil. | Fully Automatic coulometric Titration Kit Make : Metrohm Devices/Switzerland. |
| 4 | Tan delta and Resistivity test To determine the Resistivity & Tan Delta of the Transformer oil. | Automatic Tan delta and Resistivity test Kit Make : ELTEL /Bangalore. |
| 5 | Acidity Test To determine the acidity in the Transformer Oil. | Automatic Acidity test kit Make : Spectra Lab Instruments. |
| 6 | Break Down Voltage (BDV) test To determine the dielectric strength of the Transformer Oil. | Fully automatic BDV kit capable of testing up to 100 KV Make : Megger/UK. |
| 7 | Flash Point Test To determine the Flash Point of the Transformer Oil. | Fully Automatic Pensky Martens closed cup test kit Make : ANTON PAAR. (Temp. Measurement up to 350 ˚C) |
| 8 | Interfacial Tension Test To determine the Interfacial Tension of Transformer Oil ; | Fully automatic IFT test kit Make : KRUSS/ Germany. |
| 9 | Sludge Test To Determines the sludge or sediments present in the Transformer Oil. | Chemical sludge test |
Testing Facilities At R & D, Chennai.
| Sl.No. | Name of the Test | Equipment used |
| 1 | Measurement of Tan delta and Capacitance at 10 KV for Power, Auto and Instrument Transformers. | (a) Insulation Analyser kit Make : Doble /USA. (b) Capacitance and Dissipation factor test kit Make : ELTEL/ Bangalore. |
| 2 | Measurement of Transformer Excitation current at 10 KV. | Insulation Analyser kit Make : Doble/ USA. |
| 3 | Measurement of Transformer Turns Ratio at 10 KV | Insulation Analyser kit Make: Doble/ USA |
| 4 | Measurement of Transformer Leakage Reactance | Insulation Analyser kit Make: Doble/ USA |
| 5 | Measurement of Leakage current in High Voltage Surge Arresters | 60 KV Testing Transformer and accessories |
| 6 | Measurement of soil Resistivity and Earth Resistance of sub-station Earthing System | Electronic Earth Megger Make : GEOHM/U.K. |
| 7 | Measurement of Insulation Resistance and PI value at 5 KV. | 5KV Insulation Tester Make : Megger/U.K. |
| 8 | Measurement of power quality | Class A Harmonic Analyser Make : Dranetz /USA , Model: Power Visa |
| 9 | Sweep Frequency Response Analyser | Transformer core and winding condition analyzing kit. Model: FRAX-101 |
| 10 | Frequency Domain Spectroscopy/ Dielectric Frequency Response Analyser | Transformer insulation moisture, Bushing and CT Tan delta/Moisture measurement kit. Make : MEGGER/ SWEDEN. Model :IDAX 300S |
Note : All the above testing facilities can be utilised by private agencies also on chargeable basis
TESTING FACILITIES AT R & D, CHENNAI
| Contact Person and address | ||
| Chief Engineer/ IC,R&D/ Chennai | ||
| Superintending Engineer/ R&D/ Chennai | 044-28591236 | |
| Executive Engineer/R&L/Chennai | 044-28520131- Extn-2402 | |
| Executive Engineer/R&D Projects/ Chennai | 044-28520131- Extn-2487 | |
| Assistant Executive Engineer/R&D/Chennai | 044-28520131- Extn-2822, 2823 | |
| R&D Lab/Chennai | 044 - 28414912, 28520131 Ext - 2454, 2435 | |
| Oil Testing Lab/Trichy | 0431-2465177 Cell:9445853452, 9445853453 | |
| Oil Testing Lab/Coimbatore | 0422-2493262 Cell:9445851309, 9445851311 | |
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