Power supply system for 1000s neutral beam injector

Baruah, U.; Patel, Paresh; Bandyopadhyay, M.; Bisai, N.; Chakraborty, Aritra; Jana, M. R.; Jayakumar, P.K.; Patel, Dipak; Patel, G.; Prahlad, V.; Rao, M. Venkateswara; Singh, Mahesh Chand; Mattoo, S. K.

doi:10.1109/fusion.1997.687824

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Cited by 10 publications

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“…For the AGPS circuit modeling the power supply scheme of the Indian experiment SST-1 [5] was considered. It is constituted by a series of identical modules, each of them rated for about 1 kV and independently controlled.…”

Section: Electrical Circuitmentioning

confidence: 99%

Passive protections against breakdowns between accelerating grids in SPIDER experiment

Pesce

Lorenzi

Boldrin

2011

Fusion Engineering and Design

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Section: Electrical Circuitmentioning

confidence: 99%

Passive protections against breakdowns between accelerating grids in SPIDER experiment

Pesce

Lorenzi

Boldrin

2011

Fusion Engineering and Design

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Data acquisition and control system for steady state neutral beam injector

Patel

Sharma

Baruah

et al. 2001

Fusion Engineering and Design

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Characteristics of the positive ion source at reduced gas feed

Sharma

Bharathi

Prahlad

et al. 2014

Review of Scientific Instruments

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The neutral beam injector of steady state superconducting tokamak (SST1-NBI) at IPR is designed for injecting upto 1.7 MW of neutral beam (Hº, 30-55 keV) power to the tokamak plasma for heating and current drive. Operations of the positive ion source (PINI or Plug-In-Neutral-Injector) of SST1-NBI were carried out on the NBI test stand. The PINI was operated at reduced gas feed rate of 2-3 Torr l/s, without using the high speed cryo pumps. Experiments were conducted to achieve a stable beam extraction by optimizing operational parameters namely, the arc current (120-300 A), acceleration voltage (16-40 kV), and a suitable control sequence. The beam divergence, power density profiles, and species fractions (H(+):H2(+):H3(+)) were measured by using the diagnostics such as thermal calorimetry, infrared thermography, and Doppler shift spectroscopy. The maximum extracted beam current was about 18 A. A further increase of beam current was found to be limited by the amount of gas feed rate to the ion source.

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Power supply system for 1000s neutral beam injector

Cited by 10 publications

References 2 publications

Passive protections against breakdowns between accelerating grids in SPIDER experiment

Passive protections against breakdowns between accelerating grids in SPIDER experiment

Data acquisition and control system for steady state neutral beam injector

Characteristics of the positive ion source at reduced gas feed

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