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4.7Tool to support the calculation of electrical installations that will allow the user (designer / electrician / technician) to perform electrical calculations easily and quickly. · Dimensioning complete of low voltage circuits with the most frequent installation methods · Phase cable size, neutral, protective conductor · Criteria based on the admissible current of the cable, voltage drop and overcurrent protection · Designation of the most used cables. · Circuits with automatic circuit breaker until In = 4000 A (Ir rating setting), maximum fuse In = 1600 A (gG type), maximum 12 conductors parallel per phase, maximum size 630 mm² · Short-circuits, including MV network, LV lines and final circuit · Estimate of the maximum short-circuit current (simplified method) · Maximum protected length for minimum short circuit (approximate method) · Earthing system with diferentes types of electrodes (rods, buried conductor, rings and grid) · Distance between the earthing systems · Forecast of loads of a building destined to houses with several sections: dwellings, common services, commercial premises/offices and garage with/without infrastructure for recharging electric vehicles · Reactive power of the capacitor bank for the compensation of the power factor (cos φ) and capacity (µF) of the capacitors · C/K Factor for automatic capacitor bank · Frequency resonance capacitors · Compensation of the power factor for a three-phase transformer · Choice of installation system in the function of the circuit, cable and its situation · Overvoltage due to defects to earth in medium voltage MV depending on the earthing systems · Power in an unbalanced three-phase system · Overvoltages due to loss of neutral conductor, earth fault and short circuit · Electricity parameters of a single-phase or three-phase (balanced) · Transformer performance · Secondary voltage of a transformer acoording to switch position · Distribution of load of transformers in parallel · K-Factor transformer · Current transformer · Verification resistance of the assembly to short-circuits · Dissipated power of a assembly · Size of trays and conduits · Conduits characteristics according to the installation method · Conversions of wire sizes (mm²-awg) and conduits threads · Impedance, resistance and reactance of a cable · Representation of the curves of the protections · International protection IP - IK Parameter settings for calculations: · Constants (voltages, conductivity, temperatures, etc.) that affect electrical calculations · Protections (circuit breakers and fuses) · Selection of minimum rate for circuit-breakers with regulation and maximum cable size for multi-conductor grouping per phase · Method estimation of the reactance · Conductivity of the conductor depending on the current of the circuit (constant, according to the expected current, maximum cable temperature) · Use reduction factors by grouping cables/circuits · Use of factors of diversity/utilization · Reference documents: IEC Standards, REBT (sp), Technical Application Guide, (UE) 2016/364 IN NO CASE SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT OR INDIRECT DAMAGES AS A RESULT OF THE CORRECT OR INCORRECT USE OF THE APPLICATION
