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Booster Main Bending Magnet Test in SM18

Booster Main Bending Magnet Test in SM18. Why. The energy upgrade of the PS Booster main bending magnet requires endurance tests at high current (≈12 kA) and high ramp rates High currents and high ramp rates require powerful converters

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Booster Main Bending Magnet Test in SM18

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  1. Booster Main Bending Magnet Test in SM18

  2. Why • The energy upgrade of the PS Booster main bending magnet requires endurance tests at high current (≈12 kA) and high ramp rates • High currents and high ramp rates require powerful converters • The cluster A of the SM18 test benches is actually equipped with a 14kA/61V capacity power converter that fulfills the requirements

  3. How • The magnet will be installed in-between the A1 and A2 benches, close to the platform (action: TE/MSC-TF) • The main water-cooled current leads will be disconnected from A1 CFB leads (action: TE/MSC-TF)

  4. How (2) • Extra cables will be used to connect those leads to the magnet lying beneath (action: TE/MSC-MNC) • Cooling water for the magnet will be drawn from the main water supply distribution of the test facility and connected to a pressure booster in order to reached the required ΔP (action: CERN water support team under request of TE/MSC-MNC) IN OUT

  5. Powering • RM.A converter will be switched to 18kV mode, in order to get the required 61V/14kA capacity (action: CERN electrical support under request of TE/EPC-MPC) • The usual interlocks from test benches will be removed from the converter (action: TE/EPC-MPC) • The only left interlocks will be the magnet water flow and the coils temperature, connected in series and brought directly to the converter (action: TE/MSC-MNC) • The regulation loop parameters will be adapted to the magnet and cables impedance (action: TE/EPC-MPC)

  6. Current cycles control • The usual power application, running on Sunmta32, will be used through the gateway (action: TE/MSC-TF) • Possibility of creating any required current cycle within the limits of the PC range (action: TE/MSC-TF following TE/MSC-MNC specifications ) • Usual cold benches interlocks will be shorted in order to use the software (action: TE/MSC-TF)

  7. Some pictures of the « beast »

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