Item | Specification | CVT |
1 | Number of phases | 3 phases, 1 phase |
2 | Maximum rated through current (A) | 160 |
3 | Rated frequency (Hz) | 50 or 60 |
4 | Connection | Y- neutral point D-any connection |
5 | Max. rated step voltage (V) | 500 |
6 | Rated step capacity (kVA) | 80 |
7 | Short-circuit current test (kA) | Thermal (3s) | 3 |
Dynamic (Peak) | 7.5 |
8 | Max. Operating Positions | 13 |
9 | Insulation (kV) | To ground | Highest voltage for equipment Um | 12 |
To ground and between phases | Rated separate source AC withstand voltage (kV/50Hz,1min) | 35 |
Rated lightning impulse withstand voltage (kV,1.2/50μs) | 85 |
Between adjacent taps | Rated separate source AC withstand voltage (kV/50Hz,1min) | 5 |
Rated lightning impulse withstand voltage (kV,1.2/50μs) | 20 |
Across the tap winding | Rated separate source AC withstand voltage (kV/50Hz,1min) | 15 |
Rated lightning impulse withstand voltage (kV,1.2/50μs) | 50 |
10 | Time for one operation | 4.4s |
11 | Mechanical life | Not less than 800,000 operations |
12 | Electrical life | Not less than 300,000 operations |
13 | Motor drive unit | SHM-D or CMA7 |