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The 6 MW/4.6 GHz lower hybrid current drive(LHCD) system will be set up on the experimental advanced superconducting tokamak(EAST) for achieving a steady-state operation.The high power and continuous wave(CW) mode microwave test bench operating at250 kW/4.6 GHz has already been finished,which can be used to simulate different kinds of high power microwave environments to test microwave components and units for the new LHCD system.The power control and data acquisition system on the test bench composed of power control,high reflected power protection and data acquisition function is described here in detail.Longterm operation of the test bench showed that the power control and data acquisition system is very stable and reliable.
The 6 MW / 4.6 GHz lower hybrid current drive (LHCD) system will be set up on the experimental advanced superconducting tokamak (EAST) for achieving a steady-state operation. High power and continuous wave (CW) mode microwave test bench operating at 250 kW / 4.6 GHz has already been finished, which can be used to simulate different kinds of high power microwave environments to test microwave components and units for the new LHCD system. power control and data acquisition system on the test bench composed of power control, high reflected power protection and data acquisition function is described in detail. Longterm operation of the test bench showed that the power control and data acquisition system is very stable and reliable.