elec calc™: Electrical standards compliance

Electrical standards

The calculation methods used in elec calc™ are based on standards, guidelines and good practices in use and on the regulations on the safety of persons in force in different countries.

First of all elec calc™ complies with IEC standards.

Other standards are implemented to meet specific country requirements:

NF for France
RGIE/AREI regulations for Belgium
NIBT standard for Switzerland
REBT standard for Spain
VDE standard for Germany
NEN for Netherlands

The main standards and documents used in elec calc™ are:

High Voltage (HV) intallations

IEC 60038: IEC nominal voltages

IEC 61936-1: Power installations exceeding 1 kV AC – Part 1: Common rules.

NF C 13-200: High voltage electrical installations – Additional rules for production sites and industrial, commercial and agricultural sites

IEC 60949: Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects

IEC 60909-0: Short-circuit currents in three-phase AC systems – Part 0: Calculation of currents

IEC 60909-1: Short-circuit currents in three-phase AC systems – Part 1: Factors for the calculation of short-circuit currents according to IEC 60909-0

IEC 60909-2: Short-circuit currents in three-phase AC systems – Part 2: Data for short-circuit current calculation.

Low Voltage (LV) intallations

IEC 60038: IEC standard voltages

IEC 60364-1: Low voltage electrical installations – Fundamental principles, assessment of general characteristics, definitions

IEC 60364-4-41: Low voltage electrical installations – Protection for safety – Protection against electric shock

IEC 60364-4-42: Low voltage electrical installations – Protection for safety – Protection against thermal effects

IEC 60364-4-43: Low voltage electrical installations – Protection for safety – Protection against overcurrent

IEC 60364-4-44: Low voltage electrical installations – Protection for safety – Protection against voltage disturbances and electromagnetic disturbances

IEC 60364-5-51: Low-voltage electrical installations – Selection and erection of electrical equipment – Common rules

IEC 60364-5-52: Low-voltage electrical installations – Selection and erection of electrical equipment – Wiring systems

IEC 60364-5-53: Low-voltage electrical installations – Selection and erection of electrical equipment – Isolation, switching and control

IEC 60364-5-54: Low-voltage electrical installations – Selection and erection of electrical equipment – Earthing arrangements and protective conductors

IEC 60364-5-55: Low-voltage electrical installations – Selection and erection of electrical equipment – Other equipment

IEC 60909-0: Short-circuit currents in three-phase AC systems – Part 0: Calculation of currents

IEC 60909-1: Short-circuit currents in three-phase AC systems – Part 1: Factors for the calculation of short-circuit currents according to IEC 60909-0

IEC 60909-2: Short-circuit currents in three-phase AC systems – Part 2: Data for short-circuit current calculation.

Installations created with the NF standards

If the project is created using the French NF standards, the reference standards and documents below replace or supplement the requirements of the standards listed above:

NF C 15-100: Low voltage electrical installations

AFNOR C 15-500: Low voltage electrical installations – Practical guide – Determination of conductors and selection of protective devices with the help of software.

PD CLC/TR 50480: Determination of conductor cross-section area and choice of protective devices.

NF C 14-100: Low voltage mains.

Installations created with the RGIE/AREI regulations

If the project is created using the Belgium RGIE/AREI regulations, the reference standards and documents below replace or supplement the requirements of the standards listed above:

RGIE/AREI: General regulations for electrical installations

PD CLC/TR 50480: Determination of conductor cross-section area and choice of protective devices

Products standards

IEC 60076-8: Power transformers – Application guide

IEC 60079-14: Electrical equipment for explosive gas atmospheres – Part 14: Electrical installations in hazardous areas (other than mines)

IEC 60269-1: Low voltage fuses – Part 1: general requirements

IEC 60282-1: High voltage fuses – Current-limiting fuses

IEC 60439-2: Low voltage switchgear assemblies – Part 2: Particular requirements for busbar trunking systems

IEC 60502-1: Power cables with extruded insulation and their accessories for rated voltages of 1 kV (Um = 1.2 kV) to 30 kV (Um = 36 kV) – Part 1: Cables for rated voltages of 1 kV (Um =1.2 kV) and 3 kV (Um = 3.6 kV)

IEC 60831-1: Shunt power capacitors of the self-healing type for AC. systems having a rated voltage up to and including 1000 V – Part 1: General – Performance, testing and rating – Safety requirements – Guide for installation and operation

IEC 60947-3: Low voltage switchgear – Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

IEC 60947-4-1: Low voltage switchgear – Contactors and motor-starters – Electromechanical contactors and motor-starters

IEC 62271-1: High voltage switchgear – Part 1: Common specifications

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