TTR-I Power Transformer Turns Ratio TTR Meter For Three Phase Transformer Testing
TTR-I Power Transformer Turns Ratio TTR Meter For Three Phase Transformer Testing
Introduction:
TTR-I Power Transformer Turns Ratio TTR Meter is designed according IEC76-1 and IEC60044.
TTR-I Power Transformer Turns Ratio TTR Meter 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:
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:
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 |
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