InstElectric - Electricity 3.72

This tool offers robust support for the calculation of electrical installations, enabling designers, electricians, and technicians to perform their calculations both efficiently and accurately.

• Comprehensive dimensioning for low voltage circuits using the most common installation methods.
• Determination of phase cable size, neutral, and protective conductors.
• Evaluation criteria based on cable admissible current, voltage drop, and overcurrent protection.
• Specification of widely used cables.
• Support for circuits with automatic circuit breakers up to In = 4000 A (configurable Ir rating), maximum fuse In = 1600 A (gG type), allowing for up to 12 conductors in parallel per phase, with a maximum conductor size of 630 mm².
• Simplified estimation of maximum short-circuit current.
• Load forecasting for residential buildings with multiple sections, including dwellings, common services, commercial premises/offices, and garages with or without electric vehicle charging infrastructure.
• Calculation of reactive power for capacitor banks to compensate for power factor (cos φ) and the capacity (µF) of capacitors.
• Evaluation of C/K Factor for automatic capacitor banks.
• Selection of installation systems based on circuit requirements, cable type, and installation location.
• Assessment of power in unbalanced three-phase systems.
• Analysis of potential overvoltages due to loss of neutral conductors, earth faults, and short circuits.
• Electricity parameters assessment for single-phase or balanced three-phase systems.
• Transformer performance analysis.
• Delineation of secondary transformer voltage according to switch position.
• Dimensions for trays and conduits.
• Detailed conduit characteristics based on installation methods.
• Aid in wire size conversions between mm² and AWG as well as conduit threading conversions.
• Graphical representation of protection curves.
• Compliance with international protection standards IP - IK.

Parameter settings for calculations include:

• Constants: voltages, conductivity, temperatures, etc., influencing electrical calculations.
• Protection options: circuit breakers and fuses selection criteria.
• Selecting minimum ratings: for circuit breakers with adjustments; maximum cable sizes for multi-conductor grouping per phase.
• Estimation methods: reactance evaluation methodologies.
• Conductor conductivity: according to circuit current, factoring in constant specifications and maximum cable temperatures.
• Use reduction factors: applicable when grouping cables or circuits together.
• Diversity/utilization factors: application in design considerations.

Reference documents are aligned with:

• IEC Standards
• REBT (Spain)
• Technical Application Guide
• (UE) 2016/364

The author disclaims any liability for direct or indirect damages resulting from the correct or incorrect use of the application under any circumstances.