Transcription of Appendix 9C: Design Calculations for Electrical Design
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Appendix 9C: Design Calculations for Electrical Design
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. Calculation Matrix .. 2 4. Basic Requirements for Electrical Calculations .. 4 5. Basic Electrical Engineering Formulas .. 4 List of Symbols .. 4 Direct Current (DC) Formulas .. 5 Alternating Current (AC) single Phase .. 5 Alternating Current (AC), Three-Phase .. 5 Motors .. 6 Power Factor Correction .. 7 6. Sample Calculations .
Chapter 9 Electrical Design Appendix 9C Design Calculations for Electrical Design SPU Design Standards and Guidelines November 2020 5 5.2 DIRECT CURRENT (DC) FORMULAS Basic Formulas Volts V = I x R Power in watts P V I P I R = × = 2 × 5.3 ALTERNATING CURRENT (AC) SINGLE PHASE V denotes line to neutral voltage. Basic Formulas Volts V =I ×Z
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