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Languages : en
Pages : 3
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Book Description
As part of the Accelerator Protluction of Tritium (APT) program, a normal conducting (NC) - superconducting (SC) 100 mA continuous wave (CW), 1030 MeV accelerator is being designed. Maintaining the RF cavities in this linac at their proper resonant frequency, rf field amplitude and phase during commissioning (low duty factor pulse mode) and operation (high current continuous beam) is the function of the Low Level Radio Frequency (LLRF) system, This paper describes the linac characteristics that determine the LLRF system requirements with the corresponding control functions, and an overview of the techniques proposed to meet these requirements.
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Category :
Languages : en
Pages : 3
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Book Description
As part of the Accelerator Protluction of Tritium (APT) program, a normal conducting (NC) - superconducting (SC) 100 mA continuous wave (CW), 1030 MeV accelerator is being designed. Maintaining the RF cavities in this linac at their proper resonant frequency, rf field amplitude and phase during commissioning (low duty factor pulse mode) and operation (high current continuous beam) is the function of the Low Level Radio Frequency (LLRF) system, This paper describes the linac characteristics that determine the LLRF system requirements with the corresponding control functions, and an overview of the techniques proposed to meet these requirements.
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Category :
Languages : en
Pages : 6
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1% amplitude and l° phase. The feedback control system requires a phase-stable RF reference subsystem signal to correctly phase each cavity. Also, instead of a single klystron RF source for individual accelerating cavities, multiple klystrons will drive a string of resonantly coupled cavities, based on input from a single LLRF feedback control system. To achieve maximum source efficiency, we will be employing single fast feedback controls around individual klystrons such that the gain and phase characteristics of each will be ''identical.'' In addition, resonance control is performed by providing a proper drive signal to structure cooling water valves in order to keep the cavity resonant during operation. To quickly respond to RF shutdowns, and hence rapid accelerating cavity cool- down, due to RF fault conditions, drive frequency agility in the main feedback control subsystem will also be incorporated. Top level block diagrams will be presented and described for each of the aforementioned subsystems as they will first be developed and demonstrated on the Low Energy Demonstrator Accelerator (LEDA) The low-level RF (LLRF) control system for the Accelerator Production of Tritium (APT) will perform various functions. Foremost is the feedback control of the accelerating fields within the cavity in order to maintain field stability within.
Author: Herman Friele
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Category :
Languages : en
Pages :
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Author: Bruce R. Ellingwood
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Category : Architecture
Languages : en
Pages : 236
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Author: Samuel O. McGahey
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Category : Social Science
Languages : en
Pages : 246
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Author: James Dooge
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Category : Agriculture
Languages : fr
Pages : 340
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Author: Lady
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Category : Knitting
Languages : en
Pages : 372
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Category : Linear accelerators
Languages : en
Pages : 504
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Author: David Anthony Fanella
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ISBN: 9781609834371
Category : Loads (Mechanics)
Languages : en
Pages : 0
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Author: Sengaku Mayeda
Publisher: Motilal Banarsidass Publishe
ISBN: 9788120827714
Category : Advaita
Languages : en
Pages : 292
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Book Description
The book brings to light how great and true knowledge is born of intuition, quite different from modern Western method. The ancient Indian method and its secret techniques are examined and shown to be capable of solving various problems of mathematics. The universe we live in has a basic mathematical structure obeying the rules of mathematical measures and relations. All the subjects in mathematics-Multiplication, Division, Factorization, Equations, Calculus, Analytical Conics, etc.-are dealt with in forty chapters, vividly working out all problems, in the easiest ever method discovered so far.
