ECRH experiments on Tokamaks SST-1 & Aditya-U and ECRH upgradation plan for SST-1

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چکیده

A 42GHz-500kW ECRH system [1-6] is used to carry out various experiments related plasma breakdown and ECR heating on tokamaks SST-1 Aditya-U. The has been upgraded with new anode modulator power supply launch two pulses simultaneously. In SST-1, routinely for at fundamental harmonic, approximately 150kW launched 70ms 150ms duration consistent start-up achieved in SST-1. the recent experiments, second EC pulse also flat-top heat plasma, some signatures are seen but more will be carried confirm ECRH. Aditya-U tokamak, simultaneous successfully [2]. first around 100kW O-mode low-loop voltage 50ms plasma. case of Aditya-U, observed clearly as soft X-ray signal increases sharply AdityaU deuterium have current. ECH power. For being another 82.6GHz system, this would harmonic. already connected old 82.6GHz-200kW Gyrotron 400kW effective higher paper discusses results & presents upgradation plan

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