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Two sets of 6 fast-pulsed vertical and two sets of 4 fast-pulsed horizontal dilutor kicker magnets form part of the so-called LHC beam dumping system, which removes the counter-rotating beams safely from the collider onto an absorber block. Each vertical and horizontal diluter magnet is powered by a pulse generator via a low-impedance transmission line resulting in maximum damped sinusoidal voltage of 16 kV and a maximum damped sinusoidal current pulse of 30 kA.
The fast-pulsed dilutor kickers magnets, MKBV and MKBH, consist of a steel yoke with excitation coils, which are immersed in the accelerator vacuum.
As part of a consolidation program, high-voltage insulated coil spares will be manufactured. The coils are composed of conductor bars of quasi-rectangular cross-section, junction pieces, and conductor contact pieces. The coils are completely insulated for the 16 kV and 10 kV peak voltages. The surface of the insulation is coated with a resistive layer and connected to earth. The connector contact terminals are molded sockets, surrounded by stress rings.
This paper describes the design of the MKBV and MKBH kicker magnets, focusing on the fabrication processes and validation tests for both types of coils.
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