Software for electrical and photovoltaic engineering

Ampére

Electrical grid calculation according to standard IEC

Ampére is a powerful and sophisticated software for the calculation of electrical grids according to IEC 60364, IEC 60909, IEC 62271-100.

Main features

Job order

Job order management, network projects sharing, backup and recovery.
Saving the project to EG Cloud and sharing documentation.
Management of user profiles for conditional access to the common database and library.

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Saving and sharing data in EG Cloud

EG Cloud is a cloud data backup and sharing service, managed through the software infrastructure and datacenter of Acronis, that Electro Graphics makes available to users of its software under warranty and/or maintenance contract.
With EG Cloud, it is possible to:
• Upload projects to your cloud space, organized in folders and subfolders.
• Download and open projects previously uploaded to EG Cloud.
• Navigate your cloud space through the EG Cloud browser, which provides the essential commands to create new folders, upload and download files, create sharing links, etc.
• Access your cloud space through the Acronis web portal to access content and account settings pages.
• Access your cloud space from mobile devices through the Acronis Cyber Files app, which allows, among other features, to add annotations to PDF printouts for subsequent import into electrical schematic drawings in graphical environment.

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Power supply

Power supply LV without power limit.
Power supply HV or MV with isolated, compensated or on the grounded neutral conductor.
Use of HV/MV and MV/LV transformers with a definable data. Transformers can be connected in parallel in any number.
Management of TN, TT and IT electrical system.

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Generators and UPS

Insertion of synchronous or asynchronous generators and UPS. They can be located in any point of the net grid, with different operating state (stand-by or running).
It is possible to set the nominal values of a device or to choose a device marked from a large archive available in the Devices database.
Capability curve for generator, inverter and the entire system.

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Grounding system

Definition of the grounding system with ground rod, collectors, impedances and connection elements.
Choosing the type of terrain and calculation of earth resistance.
Setup of the ground collectors in the grid.

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Panels setup

Identification and management of units by zones and panels.
Wizard for panel setup with assigning of protections, carpentry and data for the panel overtemperature check-up.
Setup of panels or distribution board.
Drawing of panels blocks diagram.
Setup and calculation of bars inside the switchboard according to CEI UNEL 01433.

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Units setup

Unit denomination and assignment of zone and panel.
Automatic marking of units according to customizable profiles.
Assigning units characteristics: power consumption, cos-fi, length, proximity and laying conditions, ambient temperature, maximum voltage drop and type of conduit.
Management of transformer LV/LV.
Environmentally friendly transformers according to EU regulation n.548 / 2014.
Use of connectors between any transformers.
Setup of cable lines, busbars or lines with known impedance.
Defining the maximum operating temperature on cables.
Methods of distribution and connection of the protective conductor.
Management of the neutral conductor and PE common to more units.
Method of laying in accordance with tables reported in CEI-UNEL 35024/1 - 35024/2 - 35026, IEC 364 (1983), IEC 60364-5-52 and IEC 448.
Management of more laying for each units.
Various types of loads are handled: generic, motor, capacitive.
Setup of synchronous or asynchronous motor features and startup mode: direct, star-delta or with soft starter.
Setup of loads distributed on power uprights (such as lines for public lighting).
Setup of preferential loads.
Setup of generic auxiliary units.
Setup of accessory elements and related functional diagrams.
Management of a typical user profile archive.
Tabular multiple editing of units.
Importing project files defined in CAD, with acquisition of units data.

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Harmonic profile

Setup of harmonic profile on loads, UPS and inverter.
Transfer down-up of the harmonic content, considering the effect of transformer and UPS.
Calculation of the distortion factor THD.
Check lines, protection and panels according to the harmonic profile.

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Grid setup

Management of lines, or parts of the grid, in parallel.
Ring grid.
Busbars or cables shared by more units.
Mesh of grid by drag & drop units.
Inserting parts of the grid, previously meshed in CAD.
Copy-paste of one or more unit or whole panels or zones.
Importing electrical grid processed in other projects.
Calculation of current and power of the grid according to the vector method.
Automatic propagation of power at various levels of the distribution boards, taking account of any coefficients of simultaneity, use and transfer of the units or downstream panels.
“Multiproject" mode to share a job with other operators or for complex grid.
Highlight of the grounding line grid.

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Grid currents balancing

Routine to solve the grid currents balancing problem.
Automatic setting of single-phase and two-phases load connections in order to obtain a minimum neutral currents overall the power grid.
Panels and sub-panels can be balanced one by one or all together; a result printout lists all the phases to be changed in the project.

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Power factor correction

Automatic power factor correction of the grid in order to obtain the required cos-fi, in global mode, for single loads or for a single distribution board.
The software calculates the required capacitor and let the operator to choose it from the Capacitors database.
Determination of the right protection to install in the compensation unit.

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LV cable sizing

Automatic section calculation for neutral and protective conductors and section reduction according to the chosen standard.
Sizing of protective conductor performed according to IEC 60909.
Cables with flow rate stored in the archive.
Possibility to set and lock section and formation of any cable in the system.
Calculation of current eligible, Joule integral, working temperature, impedance and voltage drop lines.
Optimization of power failures in order not to exceed the maximum expected load drop compared to the supply point.
Check of neutral currents on three-phase grid in result of unbalanced loads.

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Dimensioning of busburs

Customizable busbar database with more than 1.800 items by leading manufacturers (Graziadio, Moeller Electric, Pogliano, Siemens, Telemecanique and Zucchini) already available and extendable by the designer.
Check of overload, short circuit and short-time pulse current.

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Power loss in the grid

Optimization of the cable’s operating temperature.
Calculation of the thermal dissipation of the grid and related operating costs.

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Protection devices

Protections devices with all the electrical, thermal and size characteristics; action chart, limitation and derating in temperature and frequency chart are included.
Management of regulation steps on currents and times with relative tolerances.
More than 90.000 devices, among the most frequently used series, made by the leading manufacturers on the market: ABB, AEG, BTicino, Eaton, General Electric, Gewiss, Hager Lume, Italweber, Legrand, Moeller Electric, Sarel, Schneider Electric, Siemens and Thytronic.
Selectivity and backup tables allows to set the coordination between protections.
For electric motor protection a database with specifically coordinated devices, taken from manufacturers specification, is available.
Database of coordinated devices and soft starter for motor starter.
Management of coupled protection, motor starter, fuse holder, switch disconnector and switch disconnector with fuse.
Management of switches with electronic disconnector.
Time-current characteristic curve (to checking selectivity) and let-through Joule energy curve (for checking short circuit fault currents) are provided for each device.
New devices can be defined by the operator inserting the required electric and the protection curves acquired from bitmap image.
Composition of protection with one switch and more releases.

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Lines and protections check

Management of coordination between conductors and protection devices.
Protection device assignment guided by the software that filters the protection database in order to propose the best solution for every unit.
Automatic protection assignment according to profiles set by the operator, that includes nominal current ranges, manufacturer, series, intervention curve, switching power (according to EN 60947 or EN 60898 standard), price range.
Verification of the maximum voltage drop on motor s start.
Coordination of the magnetic characteristics with the inrush current of a motor.
Setup of motor coordination and its starting system.
Selectivity check on several levels by comparing the action curves of the protections or by the manufacturer's selectivity tables.
Adjustment of the protections according to customizable steps, with representation of the release bands.

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Fault conditions

Fault calculation by sequential phase analysis according to IEC 60909 and Cenelec R064 standards: model with fault near or far from the generator, in a permanent and transitory state (in AC).
Calculation of the symmetrical and homopolar short-circuit current for the purposes of short-circuit and indirect contact protection of the line, taking into account the contribution of any motors and generators.
Calculation of maximum, minimum, and transient short-circuit currents in direct current, according to standard IEC 61660-1, taking into account the actual contribution of each source and development of the approximate curve of the fault current.
Fault calculation according to IEC 61363-1 for naval plants.
Fault calculation according to IEEE 141-1993 for the American standard.
Calculation of short-circuit impedance Zk and Zo' for TT, TN or IT systems, and impedance on fault loop for TN or IT systems, at any point in the system.
Verification of breaking and closing capacity and protection against indirect contact and short-circuit.
Comparison between the let-through Joule energy curve of the protection and the Joule integral of the cable, for phase, neutral or ground conductor.

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Electrical panels

Calculation of panel overtemperature according to CEI 17-43 and CEI 23-51 standards.
Drawing of the panel layout, with placement of the carpentries and used devices (boxed or modular), without the need for external CAD resources, and saving on .dwg files.

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Calculation reports

Introductory report with standard reference and method of calculation.
Table report about cables and busbars sizing, protections choices, fault conditions in different points of the grid, presence of motors and poewer supply conditions.
Customization of the printing model for the tabular documents.
Extended report for each units that fully documents all load characteristics, cables sizing, parameters of fault-line and the choosen protection device.
Chart of the the comparative curves of selectivity and protection calibration data.
Chart of the comparative curves of selectivity.

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Wiring diagrams

Automatic generation of single-line and multi-line diagrams as DWG and PDF.
Functional diagrams related to auxiliary elements of the devices can be included, also.
Produced DWG is compatible with CADelet, Eplus and iDEA.

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Printouts

All reports can be printed or saved inside the project folder.
Generation or concatenation of all reports in a single PDF file in order to obtain the general document report of the project.
Save reports as XLS, RTF, TXT, WMF, HTML and CSV.

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Ampère Mobile

App for smartphones and tablets to view, edit and add note on the grid progect, with calculation of the power of cable lines.
Interactive exchange of project files with Ampère via email.
Available for iOS and Android in App Store and Google Play.

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Interoperability

Data exchange for the automatic drawing of the single-line diagram or the distribution panels radial scheme and their layout in CADelet, Eplus and iDEA.
Export estimation data to Sigma (optional module, Italian only).
Parametric exportation of project data to Microsoft EXCEL and importation.

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