Inductor winding (Solenoid coil)
Inductor winding (Solenoid coil)
The inductor winding consists of three separate coils. Three section induction produced by the “NPO “GKMP” LLC is used in experimental thermonuclear facility Tokamak T-15MD: the coil is winded by two parallel conductors of trapezoidal shape (from trapezium side 14.8 mm and 15 mm, 20mm high, water supply hole 8mm in diameter) made of silver containing copper.
The coils consist of different number of turns. The number of turns of the central coil exceeds that of the upper and the lower one to push design gaps from equatorial plane of the OI and thus improve the breakdown condition.
Параметр | ОИ1 | ОИ2 | ОИ3 |
Number of turns in the winding |
151 |
457 |
151 |
Average length of the turn, m |
2.11 |
||
Conductor coil length, m |
638 |
1928 |
638 |
Copper mass, kg |
1420 |
4290 |
1420 |
Maximal current, kA |
+-40 |
+-40 |
+-40 |
Ohmic resistance if winding, mOhm |
11 |
34.3 |
11 |
Self-inductance of winding, mH |
2.8 |
24.8 |
2.8 |
Number of parallel cooling supply lines |
4 |
4 |
4 |
Cooling water flowrate, m3/h |
3.4 |
1.8 |
3.4 |
Pressure loss, MPa |
0.8 |
0.8 |
0.8 |
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