Medium Voltage Calculations 2.55

This software represents a comprehensive tool designed to support the calculation of high-voltage electrical installations, offering an extensive set of functionalities suitable for professional applications.

Key features include:

• Determination of equipment characteristics: rated voltage (Ur), withstand at industrial frequency (Ud), lightning withstand level (Up), and short-term current (Ik).
• Sizing of low and medium voltage insulated cables (up to 30 kV).
• Calculation criteria for admissible current, voltage drop, short circuit, and protection, incorporating various reduction factors such as temperature, ground thermal resistivity, grouping, and sun exposure.
• Support for multiple installation configurations: tray, underground, conduit, overhead.
• Visualization tools for protection relay trip curves and admissible current for medium voltage cables.
• Protection analysis using transformer-limiting fuses.
• Calculation of earth fault currents for isolated neutral and grounded systems.
• Design and verification of PE conductors.
• Assessment of transformer performance including voltage drop analysis.
• Primary and secondary conversions involving voltage and current transformers.
• Transformer secondary analysis based on switch positions.
• Calculation of ventilation requirements for transformation centers.
• Guidance on five fundamental safety rules.
• Consultation of ANSI codes related to electrical protections.
• Sizing and configuration of cable trays.
• Representation of IEC characteristic curves.
• Parameter configuration including voltages, frequency, conductor material conductivity, temperature, as well as medium voltage specifics such as cable types and configurations.
• Control over the regulation settings of low-voltage protections.
• Ability to share calculated results within the application ecosystem.

Additional purchase options available within the app include:

• Calculation of short circuits and impedance values across maximum and minimum parameters, with network topology diagrams encompassing transformer, medium voltage line, and low voltage line configurations.
• Selecting appropriate voltage and current transformers for protection and measurement purposes, as well as transformer capacitor banks and insulator counts.
• Protection settings adjustment for transformer overcurrent relays with selectivity analysis using low-voltage switch parameters (Ir, Isd, Ii), including actuation curve graphs and characteristic point identification.
• Medium voltage line calculations utilizing a single-circuit model with specified conductors such as AL1/ST1A (LA), AL1/S20SA (LARL), AL3/ST1A (DA), AL3 (D).
• Design and verification of protective and operational grounding systems, including system configuration, Howe parameters computation, step and touch voltages assessment, grounding system spacing analysis, single grounding checks, safety measures evaluation, and results validation.
• Visualization of up to three curves across different voltage levels for comparative analysis.
• An ad-free experience is guaranteed with each purchase made within the app.

Please note: Under no circumstances shall the author be held liable for any direct or indirect damages resulting from the use or misuse of this application.

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