Appendix 9C: Design Calculations for Electrical Design

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Chapter 9 Electrical Design SPU Design Standards and Guidelines November 2020 i Appendix 9C Design Calculations for Electrical Design Chapter 9 Electrical Design Appendix 9C Design Calculations for Electrical Design ii SPU Design Standards and Guidelines November 2020 Contents 1. Introduction ........................................ ........................................ ................. 1 2. Software ........................................ ........................................ ....................... 1 3.

To determine motor input kVA requirements, the motor efficiency and power factor must be accounted for. In general, for preliminary or rough load calculations, assume: 1 kVA of electrical input power for 1 hp of motor. Example 9C-1 Motors Condition: A motor control center with a total connected horsepower of 337 hp can be assumed to

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