Low Voltage Design
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(397 kb)
Develop a better understanding for performing the electrical design calculations.
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(268 kb)
Economic cable sizing equations and examples are provided in this paper.
High Voltage Cable Design
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(328 kb)
Derating of buried cables which cross with heat sources and other cables.
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(857 kb)
Review of factors affecting power cable ratings using Cable High Voltage Software.
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(452 kb)
Magnetic field calculations and the factors affecting magnetic fields. The recommended safe limits are presented.
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(717 kb)
The transient emergency and cyclic ratings of cables to IEC Standards are presented.
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(705 kb)
Provides optimised phasing arrangements for various single core cable configurations to minimise the magnetic field.
Earthing Design
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(571 kb)
How to determine an accurate soil resistivity model.
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(252 kb)
Provides the equations using the Rolling Sphere Method.
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(497 kb)
Equations for calculating safe touch and step voltage limits.
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(352 kb)
Parametric Analysis of Simple Earthing Grids Containing Rods
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(464 kb)
Effects of rods on potential plots and grid resistance investigated.
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(1.22 Mb)
Parametric study of earthing system performance.
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(1.44 Mb)
Use of rods to ensure Rgrid < 5 Ohms.
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(1.27 Mb)
Tutorial on how to import and model custom buried earthing systems using SafeGrid Earthing Software.
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(1.12 Mb)
Use of vertical rods to reduce grid resistance, GPR and improve the safety of earthing grids by reducing step and touch potentials.
General
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(517 kb)
This technical report provides detailed information about the steady-state and dynamic behaviour of wind turbine generators.
