Maple
Powerful math software that is easy to use
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Maple Flow offers over 5000 built-in mathematical functions and offers practical high-level tools for numeric and symbolic math, data analysis, and for presenting results. Parameters, equations and calculations can be arranged in a single cohesive workflow, to solve simple and complex engineering problems.
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Power systems engineers often pull values from hardware databases and other sources, and run the risk of making unit conversion errors or manually copying in data from the wrong line of a list. Assigning units to parameters during calculations removes the risk of introducing unit conversion errors, and also acts as a check on the physical validity of the equations.
When working with relay settings, line impedances, resistances, and conductivity coefficients, Maple Flow lets you work smarter by offering:
EXAMPLE VIDEO - Exporting Protective Relay Settings to SEL Configuration Tools
RECORDED WEBINAR – Units and formatting in Maple Flow
Free Maple Flow Applications for Power Engineers
Heat is generated when current flows through a cable. The ampacity of a cable is the amount of current a cable can carry without exceeding its temperature rating. Accurately estimating ampacity is critical to minimizing the total lifetime cost of a cable installation.
This application implements the Nehers-McGrath equations and cross-checks the results against those tabulated in the National Electrical Code (2017); the good agreement means that this worksheet can be the basis of more complex cable ampacity calculations.
Using numeric and symbolic techniques, this application uses Maple Flow’s built-in units system to show standard units throughout the calculations.
Substation earthing systems are a grid of buried conductors, known as an earth mat. The grounding of substations is very important for both personnel safety and to provide a discharge route for the overall power system.
This application calculates the cross-section of metallic tape to earth a conductor for a 110/30 kV substation.
Using Maple Flow, the application follows EN 50522:2010 and IEC 60287-3-1, and features natural math notation and units throughout the calculations.
The calculation worksheet can also be converted to an interactive application with buttons and sliders using Maple, and can be deployed to other teams using Maple Cloud.
An arc flash is a violent eruption of heat and light caused by an electrical explosion. Arc flashes can seriously injure electricians, with fierce burns posing a significant risk to life. Other hazards include shrapnel and a pressure wave (often called an arc blast). This Maple Flow application determines the minimum safe working distance from an arc flash, following the empirical methodology presented in IEEE 1584 - 2018. Specifically, the application calculates the
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