Fusion Science and Technology / Volume 42 / Number 1 / July 2002 / Pages 155-161
Technical Paper / dx.doi.org/10.13182/FST02-A223
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The paper gives a description of the poloidal field power supplies and the control system of the HT-7U superconducting tokamak required to energize the magnetic field coils for plasma excitation and confinement. An original configuration of alternating-current/direct-current (dc) converter, thyristor dc circuit breaker, and power supply control system are introduced in detail.