Calculations

Mathematics

• Examples for the youngest children
• Operation with matrices in R (determinant, track, inverse, adjoint, transpose)
• Operation with complex matrices (determinant, track, inverse, adjoint, transpose)
• Basic matrix operations (addition, subtraction, multiplication, division)
• LinEqu - Solution of system of a linear equations with real numbers
• ClinEqu - Solution of system of a linear equations with complex numbers
• Quadratic equation
• Calculation of Factorial (0≤N≤40000)
• Calculation of Binomial Coefficient (0≤N≤590)
• Catalan number (0≤N≤299)
• Binomial distribution (1≤N≤269)
• Negative binomial distribution (1≤r≤200)
• Poisson distribution
• Uniform distribution (continuous)
• Normal distribution
• Exponential distribution
• Erlang distribution
• Weibull distribution
• Rayleigh distribution
• Cauchyovo rozdělení pravděpodobnosti
• Pareto distribution
• Geometric distribution
• Hypergeometric distribution
• Log-normal distribution
• Queueing theory
• Regular Markov linear ordered set
• Gamma function

Theoretical Electrical

• Ohm's law in the DC circuit
• RLC circuit in steady state
• Calculation of ballast
• Calculation of shunt
• Transfiguration Y - Δ, Coordinate conversion
• Transformer losses
• Výpočet parametrů sítě s nepřímo uzemněným uzlem (přes kompenzační tlumivku)
• Výpočet minimálního průřezu vodiče - dimenzování z hlediska tepelných účinků zkratových proudů

Heating of water

• Heating of water

Blondel's constants

• Calculation Blondel's constants in the set parameters R,L,G,C
• Calculation Blondel's constants in the set parameters Z,Y

Calculations of operation of lines

• Calculations of operation of three-phase lines LV in steady state
• Basic parameters of HV lines (natural power, no-load running, short-circuit operation) - award Z and Y
• Basic parameters of EHV lines (natural power, no-load running, short-circuit operation) - award R,L,G,C

(EN)

• Calculation of short-circuit currents on the secondary side of power transformer, including the determination of the number of short-circuiting sets
• Calculation of short-circuit currents in the system HV, including some minimum cross-section of conductors
• Calculation of short-circuit currents in the system HV, including the determination of some minimum number of short-circuiting sets
• Conversion RMS value I_ke short-circuit current for different duration of short circuit

Calculations of running networks

• The method of node voltage (na www.stud.feec.vutbr.cz)
• Method of loop currents

Other

• Protection by grounding for networks where it is not directly grounded center resources (node). Protecting IT networks - the calculation of resistance grounding
• Protection by grounding for networks where it is not directly grounded center resources (node). Protecting IT networks - the calculation of resistance grounding II.

From thesis - modeling three-phase asymmetric power lines using multipoles

• Calculations of operation of three-phase lines LV (network TN)
• Calculations of operation of three-phase lines EHV (network TT)

    

Contact © 2007-2010 Author: Rene Vapenik www.elektro-energetika.eu