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Discharge Time-Constants

This document details critical specifications for dipole and quadrupole systems, including inductance values and resistor configurations. Dipoles are characterized by an inductance of 154 * 0.1 H per sector and include parallel resistors of 0.225 ohms. Maximum voltage limits are established at 1500 V for dump operation and 1900 V as the absolute limit. Furthermore, quench detection and protection mechanisms are outlined, along with the modifications needed for the Quench Protection System (QPS) to ensure operational safety and prevent overheating of resistors under specified limits.

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Discharge Time-Constants

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  1. 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. MP3 15.July 09, KHM

  2. Dipoles Dump Overheating 1500 Volt Limit (Switch) 1900 Volt Limit Operational Limit τ Quench Detection Limit Voltage/Dipole MP3 15.July 09, KHM

  3. Quadrupoles Inductance: 51*5.6 mH, Rdump: 9.2 mΩ + Radd No overheating of existing resistors, Switch limit & operational =200 V, ELQA: 240 V QPS to be modified Quench Protection Limit is off scale Operational Limit & Switch Limit (can be modified) Ultimate Limit (ELQA) τ MP3 15.July 09, KHM

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