A power electronics device has an on-state power loss of 30 W and switching loss in watts
Question:
A power electronics device has an on-state power loss of 30 W and switching loss in watts equal to 1.5 × switching frequency in kilohertz. The junction to case thermal resistance is 2.0°C/W, and the maximum allowable junction temperature Tjmax is 180°C. If the device case is mounted on a heat sink to limit the case temperature to 60°C, determine the maximum allowable switching frequency for this device.
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Related Book For 
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
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