36 Questions 84 Answers 0 Followers
Questions related from Umair Shahzad
What is the Expected lifespan of power circuit breakers (SF6, Oil, Vacuum, etc)? 25-30 years? or more? Please elaborate with reference. thanks.
20 September 2021 9,267 3 View
what is the difference between adequacy and static security (power system)?
13 July 2020 7,922 8 View
What are the differences between unit commitment and economic dispatch in power systems?
03 June 2020 6,341 16 View
When we select a time period for a transmission planning problem, say 5 year or 10 years, what factor determines this period?
01 June 2020 8,920 0 View
any suggestions on how to implement reinforcement learning for a power system optimization problem?
27 April 2020 818 7 View
Any useful software for applying neural networks in power systems? I know MATLAB has a NN toolbox but besides that, is there any other useful software available?
21 April 2020 9,914 16 View
Any suggestions on where to begin learning neural networks for beginners? Some advice on useful resources , books, papers, etc will be appreciated. Thanks
19 April 2020 8,411 13 View
what is the impact of time horizon in benefit-cost assessment (BCA) Let's say if we perform BCA for 5 years and BCA for 10 years? Which is preferred and why?
03 April 2020 6,475 1 View
Any suitable index for describing power system frequency stability under a three phase fault?
02 April 2020 9,409 12 View
what is DPL command to find maximum value in a graph drawn in Digsilent Power Factory?
29 March 2020 5,866 3 View
Are remedial action schemes (RAS) or special protection schemes (SPS) applicable to power system planning? or they are used only in power system operation?
03 March 2020 6,577 3 View
Can anyone share some useful literature on planning of circuit breakers in power systems?
18 February 2020 5,224 7 View
I run RMS simulation using DPL script and obtained the graph (attached). How can I read the value for a particular time instant through DPL command i.e. if i want the value of voltage at, say, t=3 s.
21 November 2019 3,129 0 View
which is better in terms of transient stability: DFIG or Solar (PV) generator?
10 April 2019 3,884 3 View
How to improve transient stability of squirrel cage generator?
05 April 2019 1,878 0 View
What are the evolving wind technologies for power transmission systems? Are DFIGs still popular or some other technology is better?
04 April 2019 4,900 5 View
Why inertia of Squirrel cage induction generators (SCIG) and Double fed DFIGS is less than conventional synchronous generators?
29 March 2019 3,984 4 View
Why is the transient angle stability of doubly fed induction generator (DFIG) better than squirrel cage induction generator (SCIG)?
28 March 2019 1,185 2 View
When trying to run RMS simulation with DFIG in Digsilent, the following error pops: output xspeed not initialized. Does anyone know how to address this issue?
27 March 2019 5,132 7 View
what kind of circuit breaker can be used to protect against busbar faults? and Where it is located?
12 February 2019 1,532 14 View
Can anyone share some useful research relating power protection and stability?
12 February 2019 1,077 7 View
How to calculate maximum rotor angle difference between any 2 synchronous generators in Digsilent PowerFactory?
23 January 2019 8,426 4 View
How to conduct sequential Monte Carlo simulation in Digsilent?
07 January 2019 7,350 0 View
If a Monte Carlo simulation of a PDF converges, is it ensured that maximum value from that PDF has been taken into account?
03 January 2019 1,536 1 View
why optimal operating cost decreases with integration of wind in power system?
28 November 2018 5,128 7 View
What is a suitable value for load shedding cost ($/MVA) in an optimization (minimize load shedding) problem?
20 November 2018 4,907 0 View
what are the latest trends in low voltage ride through of wind energy systems?
17 September 2018 8,198 3 View
Can distance relay be used for busbar faults?
13 September 2018 10,042 7 View
How to add two matrices in DPL programming language?
10 August 2018 394 3 View
what are the research trends in planning of electric vehicles in distribution networks?
20 June 2018 4,447 3 View
which distribution can be used to model the output power of a wind generator?
23 May 2018 5,020 6 View
The paper attached has used 39 bus system as radial distribution system but says it has transmission lines. I am confused regarding its type (transmission or distribution system). Can anyone...
03 April 2018 1,476 7 View
How to generate a random number between 0 and 1 in DPL script of digsilent?
30 January 2018 8,767 5 View
what are the analytical methods (not simulations like Monte Carlo )for sampling load and generation probability distributions which can be applied to a small scale power system?
26 January 2018 4,345 3 View
what are other alternative methods to Monte Carlo Sampling?
23 January 2018 8,549 7 View
what is the best method for optimal size and location of distributed generation? any useful publications will be helpful. Thanks
18 January 2018 6,383 6 View
