Theory

Thermal rating of HV cable accessories
Thermal rating of HV cable accessories

Posted on 2021-10-16
We had discussions about the need for thermal rating of HV cables accessories. To conclude this we decided to summarize in a post the findings from the Cigré Task Force TF 21(B1)-10 who...

Cable pulling considerations
Cable pulling considerations

Posted on 2021-06-07
In this article various topics are discussed regarding cable pulling, specifically the usage of weight correction factors and sidewall bearing pressure factors for pulling up to 6 cables in a...

Ampacity calculations for deeply buried objects
Ampacity calculations for deeply buried objects

Posted on 2021-04-18
When simulating objects that are buried deeper than a couple of metres one needs to consider the thermal inertia of the surrounding soil. Cableizer offers an alternative approach to calculate the...

Buried projects with backfills
Buried projects with backfills

Posted on 2020-08-25
Based on two example arrangements it is described how buried systems in backfills are modelled and simulated in Cableizer (introduced 2020-08-25).

Validation of emergency rating calculations acc. IEC 60853-2
Validation of emergency rating calculations acc. IEC 60853-2

Posted on 2019-10-01
The emergency rating calculations have now been updated and validated according to IEC standard 60853-2.

Cable Rating Calculations for Ground-Mounted Photovoltaic Power Plants
Cable Rating Calculations for Ground-Mounted Photovoltaic Power Plants

Posted on 2019-03-13
With the increasing number and scale of photovoltaic power plants and their cyclic nature of power generation, accurate cable rating calculations become essential in order to optimize their...

Embodied energy and carbon
Embodied energy and carbon

Posted on 2018-06-08
In order to reduce the carbon footprint it is important that we account for the energy that is embodied in the materials that we use. With Cableizer you can calculate the embodied energy and...

Heat of Combustion
Heat of Combustion

Posted on 2018-03-22
The gross heat of combustion value - also known as energy value or calorific value - is used to quantify the energy content of a cable in case of a fire. Cableizer calculates the value...

Considerations for cable laying
Considerations for cable laying

Posted on 2018-02-27
The service reliability of a cable systems depends not only on the quality of the cable itself, but also to a large extent on the methods used and the care taken in laying the cable. In this blog...

Two phase concentric cables
Two phase concentric cables

Posted on 2018-01-21
A concentric cable has a conductor around the core for a return path. DC cables may be of concentric type as is the case in an integrated return conductor cable, where the return conductor is...

Cables crossing external heat sources
Cables crossing external heat sources

Posted on 2018-01-20
With the web-based cable calculation software Cableizer.com you can calculate the current rating of cables crossing external heat sources. It allows to calculate the current rating or temperatures...

Two armour layers with separation
Two armour layers with separation

Posted on 2016-09-02
Calculating the ampacity of a cable system correctly starts with the precise modeling of the cable. The user shall be able to model a cable as close to reality as possible, visually, electrically...

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