Any suggestions for phasor estimation methods/references based on substation measurements in power systems?

22 July 2013 1 6K Report

By substation measurements I mean digital fault recorders, digital protective relays, and other intelligent electronic devices available in substations.

Mohd nizam Ibrahim

You may estimate phasor using Discrete Fourier Transform, Cosine filter or Least Square method.

Badges
Science topic

More Tomo Popovic's questions See All

Can you share experiences with the modernization of railway passenger traffic in your country?

One of the most pressing open questions for passenger rail transport concerns the sustainability and modernization of infrastructure. This issue encompasses several key aspects: Infrastructure...

22 June 2024 5,589 2 View

How to increase the number of disabled users of railway infrastructure?

Hello there, I would like to ask you a question regarding the accessibility of railway infrastructure for disabled people. As we know, a significant amount of money is invested worldwide in...

14 October 2023 3,209 3 View

Are peptone and triptone interchangable?

Many of the recipes for mycological mediums require use of peptone. Since our supplier is not making peptone anymore, I have only triptone. Will it make huge difference if I use it instead of...

06 February 2023 4,702 1 View

EN standards for buffer stops on the railway tracks?

Are there EN standards for buffer stop (bumper, bumping post, bumper block or stopblock) on railway track? Thanks in advance. greeting

28 September 2020 1,037 0 View

How many raters per word per scale is necessery to obtain a reliable mean value?

In psycholinguistic norming studies 15-20 raters per word per scale are somehow rule of the thumb. However, I cannot find the psychometric explanation or justification for this, although. Does...

27 October 2019 8,869 3 View

Do you have experience in measuring the longitudinal stresses in the continuous welded rail (CWR)?

Do you have experience in measuring the longitudinal stresses in the continuous welded rail ? I would like to exchange experiences in this field of expertise. Best regards from Belgrade!

10 January 2019 9,279 0 View

Did anyone do a survey on how many passengers with restricted mobility really use the rail infrastructure?

Dear Colleagues, Did anyone do a survey on: how many passengers with restricted mobility and with disabilities (particularly persons in wheelchairs) really use the rail infrastructure, which is...

15 August 2018 8,920 0 View

Please your experiences with new Thermo Fisher basic PCR instrument: miniamp plus thermal cycler?

We have offer to by this instrument, we would like to decide between thermocycler 2720 and new model. If you could compare it?

23 May 2018 3,360 3 View

Please your experiences with new Thermo Fisher basic PCR instrument: miniamp plus thermal cycler?

We have offer to by this instrument, we would like to decide between thermocycler 2720 and new model. If you could compare it?

04 May 2018 4,171 3 View

Where can I find recent information on crop yields in northern India (uttar pradesh) and fertilzer/nutrient/irrigation requirements and costs?

We are designing a waste water treatment facility for a hypothetical refugee camp in Uttar Pradesh, where one of the outputs of the system will be fertigation of crops for the camp

19 February 2018 3,232 3 View

Could you recommend some articles on Urban Transportation System optimization and Innovation?

13 August 2024 2,595 3 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View