Discharge Time-Constants

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Discharge Time- Constants •Basis : EDMS 90327 (Voltage Withstand levels) & EDMS 1011223 (Quench Back) •Dipoles have an inductance of 154 * 0.1 H per sector •Dipoles have 2 times 3 resistors of 0.225 in parallel MP3 15.July 09, KHM 4 Configuratio ns are possible.

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Discharge Time-Constants. Basis : EDMS 90327 (Voltage Withstand levels) & EDMS 1011223 (Quench Back) Dipoles have an inductance of 154 * 0.1 H per sector Dipoles have 2 times 3 resistors of 0.225 in parallel. 4 Configurations are possible. Dipoles. Dump Overheating. - PowerPoint PPT Presentation

Transcript of Discharge Time-Constants

Page 1: Discharge Time-Constants

MP3 15.July 09, KHM

Discharge Time-Constants

•Basis : EDMS 90327 (Voltage Withstand levels) & EDMS 1011223 (Quench Back)

•Dipoles have an inductance of 154 * 0.1 H per sector•Dipoles have 2 times 3 resistors of 0.225 in parallel

4 Configurations are possible.

Page 2: Discharge Time-Constants

MP3 15.July 09, KHM

τ

1900 Volt Limit

1500 Volt Limit (Switch)

Operational Limit

Dump Overheating

Quench Detection LimitVoltage/Dipole

Dipoles

Page 3: Discharge Time-Constants

MP3 15.July 09, KHM

Quadrupoles

τ

Quench Protection Limit is off scale

Operational Limit & Switch Limit (can be modified) Ultimate Limit (ELQA)

Inductance: 51*5.6 mH, Rdump: 9.2 mΩ + RaddNo overheating of existing resistors, Switch limit & operational =200 V, ELQA: 240 VQPS to be modified


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