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CLIC Klystron modulator chargers (1)

CLIC Klystron modulator chargers (1). Design solution and control strategies for the modulators charging sub-system minimizing the grid power fluctuation . If we aim to a constant charger power:. Ideal charging current. Very high bandwidth charger needed.

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CLIC Klystron modulator chargers (1)

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  1. CLIC Klystron modulator chargers (1) • Design solution and control strategies for the modulators charging sub-system minimizing the grid power fluctuation. • If we aim to a constant charger power: Ideal charging current Very high bandwidth charger needed

  2. CLIC Klystron modulator chargers (1) • Design solution and control strategies for the modulators charging sub-system minimizing the grid power fluctuation. • And if we model the charger as a 2nd order transfer function/system: • Power Consumption *Ideal case: infinite current bandwidth *Real case: 2kHz current bandwidth

  3. CLIC Klystron modulator chargers (2) 1st results for the grid active power consumption for different Cint and Bandwidth of the charger (transfer function modeling approach of the charger)

  4. CLIC Klystron modulator chargers (3) • Problematic: • Grid power fluctuation VS capacitors voltage droop + current and voltage regulation capabilities of the charger + cost + size . • Maximal power fluctuations and voltage flickers acceptable at the connection point of CERN to the utility grid. • Statistical differences between the 1638 modulators. • Special operating modes of modulators (starting up, emergency stops, fault operation).

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