src/utils/ElectricUtils.ts

   1 /**
   2  * Rationale: https://wiki.piment-noir.org/doku.php/en:cs:modelling_multi-phased_electrical_system_interconnexion
   3  */
   4
   5 /**
   6  * Targeted to AC related values calculation.
   7  */
   8 export class ACElectricUtils {
   9   static amperageTotal(nbOfPhases: number, Iph: number): number {
  10     return nbOfPhases * Iph;
  11   }
  12
  13   static powerPerPhase(V: number, Iph: number, cosPhi = 1): number {
  14     const powerPerPhase = V * Iph * cosPhi;
  15     if (cosPhi === 1) {
  16       return powerPerPhase;
  17     }
  18     return Math.round(powerPerPhase);
  19   }
  20
  21   static powerTotal(nbOfPhases: number, V: number, Iph: number, cosPhi = 1): number {
  22     return nbOfPhases * ACElectricUtils.powerPerPhase(V, Iph, cosPhi);
  23   }
  24
  25   static amperageTotalFromPower(P: number, V: number, cosPhi = 1): number {
  26     const amperage = P / (V * cosPhi);
  27     if (cosPhi === 1 && P % V === 0) {
  28       return amperage;
  29     }
  30     return Math.round(amperage);
  31   }
  32
  33   static amperagePerPhaseFromPower(nbOfPhases: number, P: number, V: number, cosPhi = 1): number {
  34     const amperage = ACElectricUtils.amperageTotalFromPower(P, V, cosPhi);
  35     const amperagePerPhase = amperage / nbOfPhases;
  36     if (amperage % nbOfPhases === 0) {
  37       return amperagePerPhase;
  38     }
  39     return Math.round(amperagePerPhase);
  40   }
  41 }
  42
  43 /**
  44  * Targeted to DC related values calculation.
  45  */
  46 export class DCElectricUtils {
  47   static power(V: number, I: number): number {
  48     return V * I;
  49   }
  50
  51   static amperage(P: number, V: number): number {
  52     const amperage = P / V;
  53     if (P % V === 0) {
  54       return amperage;
  55     }
  56     return Math.round(amperage);
  57   }
  58 }