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Numerical on Gauss-Seidel Method of Load Flow 

Dr. Afroz Alam
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31 окт 2024

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Комментарии : 74   
@DrAfrozAlam
@DrAfrozAlam 2 года назад
Download lecture notes (pdf) using the following link: drive.google.com/file/d/10_A3zXCcfjhpf32bLFA2vzmXjzmhV9Xf/view?usp=sharing
@fuzosudo5424
@fuzosudo5424 3 года назад
Thank you sir. I understand more from your lectures than in class
@davidarapkilel4942
@davidarapkilel4942 4 года назад
Receive good energy wherever you are Dr Afroz ! You have help me understand load flow very clearly.
@davidarapkilel4942
@davidarapkilel4942 4 года назад
id like to know if there is a certain order for solving the unknown variables. Since if we could have started by solving Q before V @21:40 we could be using the assumed values of V2 instead of the new value of V2 obtained.
@DrAfrozAlam
@DrAfrozAlam 4 года назад
Thank you Keylel
@DrAfrozAlam
@DrAfrozAlam 4 года назад
All steps (in detail) are explained in the following lectures: Newton-Raphson Method of Load Flow: ru-vid.com/group/PLEVP-S4VFKO9HEb7Mozh_sEQzekft-DLn
@riffan3905
@riffan3905 5 лет назад
Really clear. Now I am understanding it much better. Thank You Sir.
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
It's my pleasure
@ujjawalsrivastav9726
@ujjawalsrivastav9726 Год назад
Sir thank you so much many of my doubts are cleared from your videos . Load flow & fault analysis
@mudassariqbal684
@mudassariqbal684 3 года назад
Your method of teaching is very good. Love from Pakistan
@shivamgangwar3999
@shivamgangwar3999 2 года назад
Just loving your channel ♥️ never thought power system can be that much easy , Thank you very much sir
@DrAfrozAlam
@DrAfrozAlam 2 года назад
Thank you so much Shivam for the appreciation 💗
@ranjeetkumarpcele1742
@ranjeetkumarpcele1742 2 года назад
You just made it easier Thanks
@RavindraSingh-jz8ji
@RavindraSingh-jz8ji 4 года назад
nice one... and this auto focus is killing me xD
@ShirjeelAliHaider
@ShirjeelAliHaider 4 года назад
I am a little confused on the part when you put values in the formulas of Vi^r and so on but still this video has helped me a lot in clearing the concept and the working of this method ...Thankyou so much Sir
@DrAfrozAlam
@DrAfrozAlam 4 года назад
Before solving the problem, first watch the following (theoretical parts) video lectures: Gauss-Seidel Method of Load Flow (In Hindi): ru-vid.com/group/PLEVP-S4VFKO8MBMECe3UfdlIurue36pqa
@DrAfrozAlam
@DrAfrozAlam 4 года назад
For lectures in English, you may watch the following playlist: Power System Analysis: ru-vid.com/group/PLEVP-S4VFKO9skYbAegYfSQNXNJajL3oD
@BurRun-kt3tf
@BurRun-kt3tf 7 месяцев назад
Thanks អរគុណ❤
@ziaullahzia6896
@ziaullahzia6896 3 года назад
Great sir ji
@jobayerahmed5664
@jobayerahmed5664 3 года назад
Very much helpful sir, zazakallah
@MikeJohnMentzer
@MikeJohnMentzer 2 года назад
Thank you so much sir!
@leonardmboloma5281
@leonardmboloma5281 2 года назад
This so helpful thank you sir
@rukminiMadiwal159
@rukminiMadiwal159 2 года назад
Nice explanation sir...
@mohammadnabirezaiee6722
@mohammadnabirezaiee6722 3 года назад
super lecture sir
@sadianoor166
@sadianoor166 5 лет назад
Very good explanation!
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Thank you
@supermario2747
@supermario2747 3 года назад
Thank you very Dr
@shoryadixit8401
@shoryadixit8401 3 года назад
Thank u sooooooo 💖 muchhhhh sir
@munierhussain
@munierhussain 3 года назад
Sir THANKS a lot, You helped me a lot with this video, I'm going to SUBSCRIBE your channel sir ❤❤❤
@stalwart369
@stalwart369 4 года назад
Thank you sir🙏
@DrAfrozAlam
@DrAfrozAlam 4 года назад
Most welcome Mandeep
@nouna6015
@nouna6015 3 года назад
شكرااا
@saujanyatiwari
@saujanyatiwari 4 года назад
Thank u Uncle
@vishalkumarsonkaria5925
@vishalkumarsonkaria5925 3 года назад
Sir if q limit violated so while calculating v3(1) ,should I take v3(0) as 1.04 or 1 as it has loosed its pv nature??
@DrAfrozAlam
@DrAfrozAlam 3 года назад
Before solving the problem, you may watch the following lecture to understand the various steps: Gauss-Seidel Method of Load Flow (In Hindi): ru-vid.com/group/PLEVP-S4VFKO8MBMECe3UfdlIurue36pqa
@shaikayesha5127
@shaikayesha5127 3 года назад
Sir in case of load bus the bus specifications Ie, p and Q values are in opposite signs then how to solve that problem sir... Hoping quick reply.. Having exam
@DrAfrozAlam
@DrAfrozAlam 3 года назад
P and Q will be substituted with their sign (whether signs are same or opposite)
@shaikayesha5127
@shaikayesha5127 3 года назад
@@DrAfrozAlam sir if 3 buses are there... P and Q of 3 buses are given different signs sir.. For load bus how to solve it sir
@DrAfrozAlam
@DrAfrozAlam 3 года назад
Same rule will be applied. Before solving problems, you should watch the theoretical parts of this topic. If you wish, you may watch following lectures: Gauss-Seidel Method of Load Flow (In Hindi): ru-vid.com/group/PLEVP-S4VFKO8MBMECe3UfdlIurue36pqa
@danielokonkwo9786
@danielokonkwo9786 5 лет назад
You're correct
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Thank you
@jiberuba8856
@jiberuba8856 4 года назад
Thank you. Please use MATLAB for solving.
@MrDp9000
@MrDp9000 5 лет назад
Another doubt is that, suppose we have a network with PQ and PV buses and we have Q limits e.g. 1.0
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Yes, we need to check the Q-limits in each iteration. It will be treated as PQ bus in that particular iteration only (where it has violated Q-limits). For more details, you may watch following video lectures on Gauss-Seidel method of Load Flow: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cQXuQRvbZYw.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-qxWeu7tUaqE.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HMuSkgtuFrc.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-mmgdYwHVt1k.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-KQBN9xVnzio.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-eSBxPTldi0o.html For these lectures in Hindi, you may watch ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VJ-9-6bTUJ0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6b87-cHemWY.html
@habtamuasres4077
@habtamuasres4077 3 года назад
dr. l was watching ur interesting tutorial but l have one question related to the given p and q values. are they specified values that means Pg-Pl and Qg-Ql?
@DrAfrozAlam
@DrAfrozAlam 3 года назад
Yes, Pi=PGi- PLi and Qi=QGi-QLi. These were already discussed in the theoretical parts of this lecture series.
@habtamuasres4077
@habtamuasres4077 3 года назад
@@DrAfrozAlam okay 10q dr
@tirthjoshi3385
@tirthjoshi3385 3 года назад
very nice explanation ☺️☺️ 🇳🇵🇳🇵🇳🇵🇳🇵🇳🇵🇳🇵
@DrAfrozAlam
@DrAfrozAlam 3 года назад
Thank you Tirth Joshi. Are you from Nepal 🇳🇵?
@tirthjoshi3385
@tirthjoshi3385 3 года назад
@@DrAfrozAlam yes sir
@MrDp9000
@MrDp9000 5 лет назад
Hello sir, I have a doubt... Suppose out of n buses (1- slack, m-PQ and n-m-1:PV) we run PF... Now if on one of the PV buses (lets say j between m+1 & n) the Q-limit violates, then we convert it to PQ bus... Now, do we keep it as same bus no. j in between m+1 and n or we club it with PQ buses and assign it bus no. m+1.... If we change that bus number, the Y-bus also changes
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
The bus no. of jth bus will still remain intact as j. Also, remember that we treat this jth bus as PQ bus in that particular iteration only (the iteration in which Q-limit is violated). In next iteration, this jth bus is treated as PV bus as usual unless it violates Q-limits again.
@MrDp9000
@MrDp9000 5 лет назад
@@DrAfrozAlam Sir, then till m we know P&Q and V and ∆ are unknown... After m, we write in terms of ∆ since thry are PV till bus no. j, for bus j we write again as PQ bus and after j+1 we write all other as PV? I am correct ?
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Yes, but in that particular iteration only. For detailed explanations, you may watch following video lectures on Gauss-Seidel method of Load Flow: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cQXuQRvbZYw.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-qxWeu7tUaqE.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HMuSkgtuFrc.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-mmgdYwHVt1k.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-KQBN9xVnzio.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-eSBxPTldi0o.html For these lectures in Hindi, you may watch ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VJ-9-6bTUJ0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6b87-cHemWY.html
@MrDp9000
@MrDp9000 5 лет назад
@@DrAfrozAlam thank you sir
@vikramsharma8674
@vikramsharma8674 5 лет назад
thank's sir
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Most welcome
@vikramsharma8674
@vikramsharma8674 5 лет назад
sir can u tell me how to find active n reactive loss in TL. according to book first it calculate current in each TL then useses i^2 R and i^2 X for active n reactive power for each TL and add it for overall. isn't there any short method? What if l subtract total active power generate in slack and generator bus to total active damand by all connected loads .pls help
@DrAfrozAlam
@DrAfrozAlam 5 лет назад
Yes, you can but take negative of that i.e. total generation minus total load.
@Wayfinder18
@Wayfinder18 3 года назад
Sir how to find Y12 value in Casio
@mohdmustafakamal5228
@mohdmustafakamal5228 4 года назад
Which college??
@DrAfrozAlam
@DrAfrozAlam 4 года назад
www.amu.ac.in/dshowfacultydata.jsp?did=31&eid=10062189
@Varun-vi2vw
@Varun-vi2vw 2 года назад
Where is delta 2 value?
@bismazaffarele0278
@bismazaffarele0278 2 года назад
I get Y12 equal to 53.8516anlgel -1.19028 but sir u got -68.... Why so sir ?
@DrAfrozAlam
@DrAfrozAlam 2 года назад
Y12=-y12=-10+j20=22.3606angle116.5651. This has already been evaluated at time stamp 7:20
@bismazaffarele0278
@bismazaffarele0278 2 года назад
@@DrAfrozAlam sir ,,Y12, on calculting On calculator ,the value comes different ...my question is that I got Y12 angle different and in minus sign
@sammetakarthik1476
@sammetakarthik1476 5 лет назад
@kiranekhande6196
@kiranekhande6196 3 года назад
Hello Sir, i have came across one power flow problem want your advise . Could you please share your email please.
@DrAfrozAlam
@DrAfrozAlam 3 года назад
alam7624@gmail.com
@mohamedmutasimahmedabdalla3740
@mohamedmutasimahmedabdalla3740 3 года назад
- Im mean what
@DrAfrozAlam
@DrAfrozAlam 3 года назад
'Im' means imaginary part
@mohamedmutasimahmedabdalla3740
@mohamedmutasimahmedabdalla3740 3 года назад
and the real part can say P?
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