Figure 5-18. Simplified Diagram - HVDC Interrupter 5. 8 POWER BUDGET A power budget chart estimating the percentage losses for each element of the microwave array is given in Figure 5-21. In calculating the waveguide losses it was assumed that the full rf power output from each tube was tied directly to the waveguide. Waveguide losses vary directly as the power flowing into the guide. For the higher power Klystron, an increase in overall efficiency can be obtained by dividing the power prior to feeding the actual antenna waveguide sections, as described in the section on dc-rf conversion. 5.9 CONCLUSIONS AND RECOMMENDATIONS The following conclusions and recommendations are made (see Section 11 for risk assessment). a. Lateral power flow for minimum weight. b. Recycling switchgear (crowbar) needed for protection against tube arcing.
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