iPhone app InstElectric Pro - Electricity

Tool 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 mm

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 ) and capacity (F) 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 (mm-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,

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