All Solid State High Voltage Power Supply for Neutral Beam Sources PDF Download
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Languages : en
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The conceptual design of a high frequency solid state, high power, high voltage, power system that reacts fast enough to be compatible with the requirements of a neutral beam source is presented. The system offers the potential of significant advantages over conventional power line frequency systems; such as high reliability, long life, relatively little maintenance requirements, compact size and modular design.
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Languages : en
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Book Description
The conceptual design of a high frequency solid state, high power, high voltage, power system that reacts fast enough to be compatible with the requirements of a neutral beam source is presented. The system offers the potential of significant advantages over conventional power line frequency systems; such as high reliability, long life, relatively little maintenance requirements, compact size and modular design.
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Category : Controlled fusion
Languages : en
Pages : 132
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Languages : en
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The Lawrence Berkeley Laboratory has developed and constructed a 20-kV, 20-A test facility for the development of multi-megawatt neutral atomic beam sources. This facility has been in service for approximately two years and routinely operated at 120-kV, 20-A, 0.5-sec pulses since April 1977. The accelerator power supply system consists of four 50-kV, 20-A, 0.5-sec power modules which may be connected in a variety of series and parallel combinations. The primaries are controlled with ignitron contractors and induction voltage regulators. The high voltage output is shunt regulated with two DP-15-type triodes connected in parallel. A special varistor plate load is used to limit the anode voltage to 60 kV. High voltage switching is done with series connected silicon controlled rectifiers (SCR's). Solid state power supplies of 15 V dc at 2200 A, and 125 V at 2500 A are provided for the source filament and arc power.
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Languages : en
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A 150-kV, 80-A power supply and neutral beam test facility is now operational at the Lawrence Berkeley Laboratory, Berkeley, California. This supply uses banks of 450-V electrolytic capacitors for over 106 joules of energy storage. SCR switches control the power flow to the neutral beam accelerator. Turn on and off times of a few microseconds are possible. An auxiliary capacitor bank also uses SCR switches to provide regulation (''flat-topping'') of the main bank output by switching in additional capacitors as the main bank discharges. Air-operated switches are used to connect the main-bank sections in parallel for charging and series or parallel for discharge, depending on the operating voltage desired. A single digital switch sets the desired operating voltage. Filament and arc power supplies are also solid state. With the exception of the suppressor supply which has one vacuum tube the complete neutral beam system uses all solid state components.
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Category : Aeronautics
Languages : en
Pages : 1148
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Author:
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Category : Power resources
Languages : en
Pages : 536
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Author: United States. Congress. Joint Committee on Atomic Energy
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Category :
Languages : en
Pages : 708
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Author: United States. Congress. Joint Committee on Atomic Energy
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ISBN:
Category :
Languages : en
Pages : 716
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Author: United States. Congress. Joint Committee on Atomic Energy
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Category : Nuclear energy
Languages : en
Pages : 1382
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Author: United States. Congress. Joint Committee on Atomic Energy
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ISBN:
Category :
Languages : en
Pages : 720
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