Today only i got to see your first video on electrical concept. Excellent presentation and to the point and all the points are valuable. Please make more videos. Thank you very much Sir. I have subscribed your channel and recommend to others as well. Once again Thank you..
did i discuss in my video ? both are same ,in some cases particular motors and air conditioners starting current is high then operating current in that case we can see different current ratings during that case better to select the full load rating current.
@@ElectricalStuff Yes , in the video a slide mentions “actual” another mentions “full”. So, full rating likely means whichever is higher? Which I guess gonna be the starting current, usually?
standard 25 MCB are very less .. that is the reason i choose 32 A.. in your area if you have then sure you can use it .. this example is how to calculate the breaker and select the cable .. hope you like my video and i guess it will benefit for you
don't go bigger size , short cut applied cable length less than 100m ,for all other cases we have to consider voltage drop ,please check my video voltage drop calculations in detail
Hi You are crt 21.79 breakers not available . Breakers are standard sizes such as 6A ,10A,20A,25A rare 32A etc So you have to choose your breaker rating accordingly . For ex: same shown in calculation your breaker rating should be greater than your rated load current. Further any clarity please feel free to ask
Sir in this Lecture u gave a short cut for breaker size e.g Load 4kw so Breaker size will be = 4*6 =24 Amp but in the answer of the previous quiz u calculated it as 100kw load =100*2= 200 Amp Breaker size. Can you please explain the difference ? is it because of single phase and 3 phase or what ?
I did not understand your question can you elaborate more ? In generally we connect the generator supply on LV panels so from there it will run either emergency power i,e generator power and permanent power
Thank you very much for you classes, highly appreciate if you could explain what is meant by "....maximum capacity of 14 way 3-phase....." What is actually "way" ?
Why we use RCBO not mcb ?? Is it due to some type of earthing system,in TNS earthing where we have separate earth cable from T/F side also used ELCB ,RCBO or not in MDB,DB ,etc panels
Sir i have some questions, please explain them in detail in next video 1. At video time 8.20 u said grouping factor. What is grouping factor and why it is used? 2. These calculations are according to DEWA or ADDC? 3. At time 10.58 u said that cable size is 6mm^2. But what about voltage drop and short circuit condition formula? 4. I didn’t understand “FDB enclosure size” correctly can you explain it again please 5. Isolator i 3 pole or 4 pole so it should be 3 or 4 modules why 8? 6. Explain row capacity in detail. 7. At 14.43 “The following points…… design FDB” please explain these points in detail, 8. If possible make a real time example solution video like when a customer/client ask for a project and how to calculate a system for that client Thanks😊
many questions few i can clear grouping factor is as per the IEC and dewa/addc regulations it is allowed us to consider some assumption to calculate full/rated current at given load . for voltage drop i make separate video cable size calculation please watch you can understand. for enclosure size we consider incomer 8 bcz , as per the size of the isolators ( 3 ph .neutral ,earth all these 5 items and so all these as per the manufacturer recommendation ) , i try to make with practical video for this , so you can understand further . thanks for asking and subscribing our channel . i hope i try to answer your question . thank you
If I have a few free slots for additional MCB in the DB box. How do I calculate the load without overloading the whole row, ELCB or the DB box? How can I be sure if I can add another 32A MCB safely? شكرا جزاكم الله عنا خيرا
Good question , to add additional MCB The following points to be consider 1- How much load we are going to add 2- If we add this additional load our incomer breaker is sufficient ? need to check 3- Is any free space available to provide additional breaker . 4- If you are unable to provide ELCB then provide RCBO For practically during designing DB , we consider 20 % spare load ,it means we have additional Spare breakers . I hope the answer your question, further if you have any particular case share those details we will discuss.
It means 2 tier nothing but 2 rows . In your case 2 rows 24 modules this DB have total 24modules .here each row consist 12 modules . hope you understand .
@@engradnansandhu1537 hi It is thumb rule calculation and Actual process will explain in that video . Please watch . More over the load and breaker values you can find in the authority regulations (dewa ,Dubai ,uae)
@@mohameddeik9556 In his video 9:20, he did mention to get the next above rating to the total load. He gave an example of 32A mcb as it is the most common size amp. 25A mcb is also available, but non-preferred size for electricians.
Sure will complete the series soon . I am planning few other videos prior home design that's why it is getting delay . Stay tuned will get more informative videos
Thanks Mr. Ahmad Zeeshan for your concern . The calculation process is Power = (4x1000)÷(230 x0.8) = (4000)÷ ( 184) = 21.739 The same i explain in my video Further you feel any wrong with the calculation please explain in reply . I appreciate you . However I feel happy that you watch the video and you did the calculation it is great . Keep support Thanks again good day
The world's best teacher thanks sir
I am glad to here this .
I do my best to contribute community
Previously i used to watch from different uploaders...now em stuck here in d loop😂...bcz everything i needed assembled here🎉
Thank you for your valuable feed back
Today only i got to see your first video on electrical concept. Excellent presentation and to the point and all the points are valuable. Please make more videos. Thank you very much Sir. I have subscribed your channel and recommend to others as well. Once again Thank you..
Thank you so much for your appreciation .
I do my best to share knowledge in electrical filed
Great video, very informative!
Glad it was helpful!
Informative video and new things to learn such as enclosure selection
Great comment thanks
hi, I found this video to be really helpful and informative. You earned me as a subscriber today :)
Awesome, thank you! please share this channel in your contact so that it will reach many people it will benefit
Thank you for explaining it with detail
Our pleasure!
Excellent presentation
Thank you so much keep support electrical stuff by like and sharing and comments
Thanks. A question, what is the difference between actual rating & full rating?
did i discuss in my video ?
both are same ,in some cases particular motors and air conditioners starting current is high then operating current in that case we can see different current ratings
during that case better to select the full load rating current.
@@ElectricalStuff Yes , in the video a slide mentions “actual” another mentions “full”. So, full rating likely means whichever is higher? Which I guess gonna be the starting current, usually?
Good explanation and informative 👍👍
Glad you liked it
Great effort. Thank you
You are welcome
Smart work!
thanks
Thank you very much for explanation
You are welcome
outstanding Sir
Thanks. Share my channel in your contacts more people can educate
definitely I will
Thnx sir each line is superb
Most welcome
Hi sir, can we use comb busbar for industrial distribution panel or is it only for domestic?
In Industry for light dB and small power
We can use this .
Note: it depends on application /load
Thanks for the video. In your calculation you got 21.97 amps. You chose 32 amps mcb tho there are mcb 25 amps
standard 25 MCB are very less .. that is the reason i choose 32 A.. in your area if you have then sure you can use it ..
this example is how to calculate the breaker and select the cable .. hope you like my video and i guess it will benefit for you
Thanks for efforts
It's my pleasure
Sir amazing vids keep them coming
Sure
Very helpful Video Thanks
You are welcome
And thanks for your feedback
Precise..explanation. thanks
You are welcome
Thanks informative video 👍👍
Welcome 👍
Good explanation
Thanks
Sir if Ic is 40 A ,by using shortcut kwx2 ,what breaker size should take 40A or next bigger size
don't go bigger size , short cut applied cable length less than 100m ,for all other cases we have to consider voltage drop ,please check my video voltage drop calculations in detail
Can u please explain the bus duct installation for high rise building
i mean installation details
Hi we don’t have 21.79 a breaker, but all calculations we have to do with this current know. Not 32A standards
Hi
You are crt 21.79 breakers not available . Breakers are standard sizes such as 6A ,10A,20A,25A rare 32A etc
So you have to choose your breaker rating accordingly .
For ex: same shown in calculation your breaker rating should be greater than your rated load current.
Further any clarity please feel free to ask
Sir in this Lecture u gave a short cut for breaker size e.g Load 4kw so Breaker size will be = 4*6 =24 Amp but in the answer of the previous quiz u calculated it as 100kw load =100*2= 200 Amp Breaker size. Can you please explain the difference ? is it because of single phase and 3 phase or what ?
Hi
For single phase multiply by 6
For 3ph multiply by 2
I hope it is clear
Yes its clear now Thanks alot
Does the no. of way apply a generator supply?
I did not understand your question can you elaborate more ?
In generally we connect the generator supply on LV panels so from there it will run either emergency power i,e generator power and permanent power
Thank you very much for you classes, highly appreciate if you could explain what is meant by "....maximum capacity of 14 way 3-phase....." What is actually "way" ?
Way means no of outgoings
Thanks sir ji for the vedio.
Welcome
well done sir
i understood everything very well
thank you , your positive comments motivate me to do more .. thanks lot
What is the meaning of number of ways in distribution boards?
Number of outgoings
please make a video about practical AutoCAD used in building MEP
Now a days autocad is outdated BIM is new technology
Why we use RCBO not mcb ?? Is it due to some type of earthing system,in TNS earthing where we have separate earth cable from T/F side also used ELCB ,RCBO or not in MDB,DB ,etc panels
I will make a detailed explanation video
Sir i have some questions, please explain them in detail in next video
1. At video time 8.20 u said grouping factor. What is grouping factor and why it is used?
2. These calculations are according to DEWA or ADDC?
3. At time 10.58 u said that cable size is 6mm^2. But what about voltage drop and short circuit condition formula?
4. I didn’t understand “FDB enclosure size” correctly can you explain it again please
5. Isolator i 3 pole or 4 pole so it should be 3 or 4 modules why 8?
6. Explain row capacity in detail.
7. At 14.43 “The following points…… design FDB” please explain these points in detail,
8. If possible make a real time example solution video like when a customer/client ask for a project and how to calculate a system for that client
Thanks😊
many questions few i can clear
grouping factor is as per the IEC and dewa/addc regulations
it is allowed us to consider some assumption to calculate full/rated current at given load .
for voltage drop i make separate video cable size calculation please watch you can understand.
for enclosure size we consider incomer 8 bcz , as per the size of the isolators ( 3 ph .neutral ,earth all these 5 items and so all these as per the manufacturer recommendation ) , i try to make with practical video for this , so you can understand further .
thanks for asking and subscribing our channel .
i hope i try to answer your question .
thank you
@@ElectricalStuff thanks
Which standard followed for design???
IEC as well local regulations
Very well
Thanks
How to calculate the incoming and outgoing rating of DB Pl share wiith example
Watch this video ruclips.net/video/glPML24xvHg/видео.html
keep it up
Sure
Kindly explain modules ,how we know mcb ,elcb ,main incomer module value??
based on sizes ,its industry standards practice
SANS standards mcb usually used for >100 A, over 100 A MCCB, ELCB usually used for socket outlets
As per DEWA regulation, Maximum allowed number of circuits in a 3 row and 4 row DB's??
can you send the question to electricalstuff.mep@gmail.com, i will share details to your email thanks
@@ElectricalStuff email has been send to you
If I have a few free slots for additional MCB in the DB box. How do I calculate the load without overloading the whole row, ELCB or the DB box? How can I be sure if I can add another 32A MCB safely?
شكرا جزاكم الله عنا خيرا
Good question , to add additional MCB
The following points to be consider
1- How much load we are going to add
2- If we add this additional load our incomer breaker is sufficient ? need to check
3- Is any free space available to provide additional breaker .
4- If you are unable to provide ELCB then provide RCBO
For practically during designing DB , we consider 20 % spare load ,it means we have additional
Spare breakers .
I hope the answer your question, further if you have any particular case share those details we will discuss.
You did not size the main circuit breaker?
This video is about to Db and mcb selections for breakers watch schematic drawings videos
ruclips.net/video/glPML24xvHg/видео.html
What is 2 Tier , 3 Tier etc for DB Box?
2 Tier 24 Modules, 3 Tier 36 Modules etc...
It means 2 tier nothing but 2 rows . In your case 2 rows 24 modules this DB have total 24modules .here each row consist 12 modules .
hope you understand .
@@ElectricalStuff Thank you for your quick reply.
6mm sq cable for this load 4kw
Didn't get your question
I think it wrong 100kw load require 200A breaker please elaborate
@@engradnansandhu1537 hi
It is thumb rule calculation and
Actual process will explain in that video . Please watch .
More over the load and breaker values you can find in the authority regulations (dewa ,Dubai ,uae)
I thought 4 rows 12modules enclosure is used
Depend upon sizes
how about 25 circuit breaker
Can you elaborate your question
I mean can I use 25 mcb instead of using 32 A when.the load current is 21 A
@@mohameddeik9556 In his video 9:20, he did mention to get the next above rating to the total load. He gave an example of 32A mcb as it is the most common size amp. 25A mcb is also available, but non-preferred size for electricians.
okay thank you brother
you did not continue the remaining....
home with practical example and tests....
Sure will complete the series soon .
I am planning few other videos prior home design that's why it is getting delay .
Stay tuned will get more informative videos
@@ElectricalStuff Inshallah we will be in waiting ..
thank you Sir..
@@ElectricalStuff upload those kind of practical videos that will help us in UAE job
@@ElectricalStuff thank you Sir
Your calculations us completely wrong... you need to learn first mathematics ..4*1000/230*0.8=21??are you mad do this again
Thanks Mr. Ahmad Zeeshan for your concern .
The calculation process is
Power = (4x1000)÷(230 x0.8)
= (4000)÷ ( 184)
= 21.739
The same i explain in my video
Further you feel any wrong with the calculation please explain in reply . I appreciate you .
However I feel happy that you watch the video and you did the calculation it is great .
Keep support
Thanks again good day
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Hi sir I'm subscribe in your chanle ok
Thanks Ali for your support.
@@ElectricalStuff me bhi ise line me hoon mera work bhi electricals ka he hai
Recommend my channel in your contacts
RUclips sarchbar
@@ElectricalStuff ok