Advanced Instruments Co.,Limited
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This Transformer Turn Ratio Test Set is designed according IEC76-1 and IEC60044.It can be applied to test the turns ratio and group vector of single or three phase transformer.
The connection group of three phase transformer also can be calculated with the ratio.All parameters can be measured in one test for three phase transformer.
Functions of TTR-I Automatic Transformer Turn Ratio Test Set:
| Parameters Testing / Type of Transformer | Single Phase Power Transformer | 3 Phase Power Transformer | CT | PT |
| Turns Ratio Testing | Yes | Yes | Yes | Yes |
| Phase Angle Testing | Yes | Yes | Yes | Yes |
| Polarity Testing | Yes | Yes | Yes | Yes |
| Vector Group Testing | / | Yes | No | No |
Specifications TTR-I Automatic Transformer Turn Ratio Test Set:
| 1 | Ratio measurement range | 1-10000 |
| 2 | Group measurement | 1-12 |
| 3 | Phase measurement error | 1 degree |
| 4 | Ratio measurement error | 1-2000 ± 0.2%RDG 2000-10000 ± 0.5%RDG |
| 5 | Test voltage | AC 0~80V continuously, frequency 50Hz |
| 6 | Power supply | AC220V ± 10%, 50Hz/60Hz |
| 7 | Environment temperature | 0-50°C |
| 8 | Humidity | ≤85%RH |
| 9 | Size | 400mm*350mm*200 mm |
| 10 | Weight | 7kg |
| 11 | Length of test cables | 8 meters |
