Specifiers Club ZA Forum
This forum is specific to consulting engineers in South Africa where technical, commercial & legislative queries, comments, potential pitfalls and best practices can be shared.
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Welcome to a private community specifically created for Consulting Engineers in South Africa!
This Forum iscreated as acollaborative space for like-minded individualsandprovidesan opportunity to:
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This material aims as a guide to give an indication of how to select Variable Speed Drives (VSDs) from the Schneider Electric catalogue. This may not be your last point of guide, but it should give an ...
Solar power is never boring.
The sun is so powerful that if all the sunlight reaching Earth’s surface was harvested to its potential, annual global energy requirements could be met in only...
Schneider Electric and power system design firm, ETAP, announced the integration of EcoStruxure Power Operation with ETAP Operator Training Simulator (eOTS) and ETAP Power System Monitoring Simulation...
Sulfur hexafluoride (SF6) is a man-made fluorinated gas (F-gas) that has been used for decades in both high voltage (HV) and medium voltage (MV) switchgear. The properties of SF6 made it very well suit...
The South African market
One might argue that it shouldn’t be a question of whether we ready but when will SA be ready for EV. Buyers of SA cars are still skeptical about the availability of charging ...
To understand what type of power quality equipment to use to correct or suppress the issue. It is crucial to run simulations or perform a physical measure to have a better understanding.
It is essenti...
Indications are that derating is a concept that is not well appreciated by all.Consider some real-world scenarios below, i.e. examples pertaining to power distribution at 400V three-phase AC:
Typical...
Shielded Solid Insulation System (SSIS) is the MV Switchgear technology of the future.
If every part of the power distribution system was adequately shielded, none of the common elements that threaten...
When designing a substation one of the most important factors to take into account is the heat generated by equipment and how to mitigate the effects of this on your equipment.
It is therefore critica...
Decentralization is one major development that could help address the energy challenges of the 21st century. In the early 20th century, the centralization of electricity production made significant pro...
Neutral-pole switching on three-phase circuits deserves careful attention, particularly in contexts where it is not commonplace.
Clause 6.9.2.2 in SANS 10142-1 Ed.3 [2020] states:
In the case of a si...
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