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Join experts & peers to learn, share and engage about the key trends of electrical distribution around safety, availability, efficiency and connectivity, as well as power standards & regulations. From design to implementation and operation, let’s discuss how digital and software are transforming your business and your day-to-day work.

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A new label has been created for our community: "India Power Distribution & Digital". This label is the meeting point for our Indian members (but of course remains accessible to any), in order for them to discuss local electrical distribution topics.

Power Distribution and Digital Support

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Informational
Manon_Chaboud
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Arc Flash: a critical safety risk in Electrical Installations

Arc flash is one of the most dangerous yet often underestimated hazards in electrical systems. It can result in severe injury, equipment damage, and significant operational disruption, making it a crit...
Power Distribution IEC icon_circle Power Distribution and Digital Support
75 0 0

2025-10-17

Informational
Manon_Chaboud
/html/rank_icons/Commander.png Manon_Chaboud /html/rank_icons/SE-Employee.png

What is load shedding in electrical distribution?

Load shedding is a controlled process used in electrical distribution systems to prevent a complete blackout when the demand for electricity exceeds the supply. It involves intentionally reducing ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
7060 4 3
Latest Reply: RHH

Informational
Manon_Chaboud
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The Primary and Secondary distribution in electrical systems

Understanding the fundamental distinction between Primary and Secondary distribution in electrical systems is pivotal for designing efficient and reliable electrical distribution systems tailored to sp...
Power Distribution IEC icon_circle Power Distribution and Digital Support
2113 4 3
Latest Reply: RHH

J_Travostino
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Discover the Forum through a Short Introduction Video

Have look at the short video below to discover your Power Distribution & Digital forum added-value and how it could help you in your daily work, bringing you efficiency, expertise and experience. ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
7298 6 0

2021-05-11

Solved
Moekyawthu
Moekyawthu

Ecodial calculation error message "Error: Failed to compare two elemen...

Could someone help to explain why this message "Error: Failed to compare two elements in the array" popped up while calculating project and I cannot see the calculation results. Thanks,
Power Distribution IEC icon_circle Power Distribution and Digital Support
1415 0 3
Latest Reply: Saravanakumar.L

Solved
Brando007
Brando007

minimum levels of short-circuit NSX100H

Dear, Displaying the curve for the NSX100H I see a minimum value in the magnetic protection of 239 A. It really means that it will trigger at 239A t<10ms or it is a precision treshold?
Power Distribution IEC icon_circle Power Distribution and Digital Support
865 0 1
Latest Reply: Genghiz

Solved
kenamm
kenamm

Why is wire and bus bar ampacity different?

I saw a mechanical design suggestion that when dimensioning copper bus bars then should be considered 2 amps for mm2. But when using wires you can use even a 1 mm2 wire for much higher current. Is the ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
800 0 1
Latest Reply: Genghiz

Solved
MBMB
/html/rank_icons/Crewman.png MBMB

screw drivers in devices and breakers

Drivers used for terminal screws - I see folks using straight blade, Phillips, Robertson head drivers. Who has used ECX #1 or ECX #2 drivers, and what is your experience? Andy L
Power Distribution IEC icon_circle Power Distribution and Digital Support
1314 0 5
Latest Reply: MBMB

Solved
nivaar
nivaar

Power Design Simulation Software?

For our senior design project we had to design a power system to run a container farming system. We had to determine # of breakers, breaker size, loads etc and make sure everything will operate correct...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1124 0 1
Latest Reply: Genghiz

Solved
bdollard2
bdollard2

Ordering UL Powerpact from Europe

Can you advise on how to order UL Powerpact MCCBs from Europe ?
Power Distribution IEC icon_circle Power Distribution and Digital Support
448 0 1
Latest Reply: Manon_Chaboud

Solved
gettyu
gettyu

Can someone explain electric utility distribution easily?

I’m working in an electric utility as a civil engineer. I don’t have a good background in electrical and think it would be helpful if I understood it better. I work on the structures but I’d like to be...
Power Distribution IEC icon_circle Power Distribution and Digital Support
700 0 1
Latest Reply: Manon_Chaboud

Solved
carmelo71
/html/rank_icons/Crewman.png carmelo71

ap8653 firmware update fail

good morning I tried to update the firmware of the AP8653 using NMC "firmware update utility", the update was not successful and I can no longer log in from the browser. I can only log in with SSH. How...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1182 0 2
Latest Reply: carmelo71

Solved
MohamedIbrahim
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Voltage transformer burden calculation

Dears, I'm working in a project and it's required to create VT calculation and We have the following issue: The calculated burden is around 8 VA while the VT burden is 100VA and as per IEC 61869-3...
Power Distribution IEC icon_circle Power Distribution and Digital Support
11451 1 6
Latest Reply: asif1

Solved
Simon5
Simon5

SF6 gas health impacts

What are the potential health impacts for personnel being exposed to SF6 gas that has escaped from in service switchgear?
Power Distribution IEC icon_circle Power Distribution and Digital Support
731 0 2
Latest Reply: Manon_Chaboud

Solved
Moe
/html/rank_icons/Crewman.png Moe

let-through energy curves for MCB's

Ecodial 5.2 is asking me to check let-through energy curves for MCB, as per attached. As I remember, this verification was handled by Ecodial itself in previous versions of Ecodial, as I've never recei...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1000 0 1
Latest Reply: Genghiz

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