src/utils/ElectricUtils.ts

   1 /**
   2  * Rationale: https://wiki.piment-noir.org/doku.php/en:cs:modelling_multi-phased_electrical_system_interconnexion
   3  * Targeted to AC related values calculation.
   4  * To use for DC, always consider cosPhi = 1 and do not use per phase helpers
   5  */
   6 export default class ElectricUtils {
   7   static ampTotal(nbOfPhases: number, Iph: number): number {
   8     return nbOfPhases * Iph;
   9   }
  10
  11   static powerPerPhase(V: number, Iph: number, cosPhi = 1): number {
  12     const powerPerPhase = V * Iph * cosPhi;
  13     if (cosPhi === 1) {
  14       return powerPerPhase;
  15     }
  16     return Math.round(powerPerPhase);
  17   }
  18
  19   static powerTotal(nbOfPhases: number, V: number, Iph: number, cosPhi = 1): number {
  20     return nbOfPhases * ElectricUtils.powerPerPhase(V, Iph, cosPhi);
  21   }
  22
  23   static ampTotalFromPower(P: number, V: number, cosPhi = 1): number {
  24     const power = P / (V * cosPhi);
  25     if (cosPhi === 1 && P % V === 0) {
  26       return power;
  27     }
  28     return Math.round(power);
  29   }
  30
  31   static ampPerPhaseFromPower(nbOfPhases: number, P: number, V: number, cosPhi = 1): number {
  32     const power = ElectricUtils.ampTotalFromPower(P, V, cosPhi);
  33     const powerPerPhase = power / nbOfPhases;
  34     if (power % nbOfPhases === 0) {
  35       return powerPerPhase;
  36     }
  37     return Math.round(powerPerPhase);
  38   }
  39 }