Internal/HEM Meetings
Meeting on 2014 June 02
In this meeting, Hassan presented results from Historical Fault Data, and Smart Meters Data. In this presentation:
- •The distribution of faults related to each year, month, season and hour was shown by using Histogram representation.
- •The total active power and reactive power for each customer, connected to the main station H7, during a specific week was shown by scatter plots. In these plots, the maximum current and the number of faults corresponding to each customer was shown by different color and size.
- •The total active power and reactive power consumption (for all the customers connected to the main station H7) was shown in 24 hours-7days in the specific week.
- •Some of the customers with maximum current above 63A were identified without any corresponding active power or reactive power in smart meters data.
Activities after meeting:
- Analyzing the Main Station H3:
The main station H3 should be analyzed based on the distribution of faults related to each year, month, season and hour. Same analysis which has been performed on main station H7 needs to be done on H3.
- Understanding of Missing Data:
All of the missing customers in active power and reactive power data files should be detected and the cause of why they are not in the data list should be considered.
- Smart Meter:
It is important to understand different aspects of smart meter and the types of data it can transfer. In this case, the smart meter datasheet will be investigated and studied. The aim is to be able to evaluate receiving different type of data from smart meters and implementing them at HEM’s laboratory.
- Literature Overview:
The articles related to: smart meter characteristics and aspects, aging cables and effects on transmitted data needs to be investigated.
Activities after meeting (2014/04/28):
- ELFORSK:
Elforsk Ltd, which began operations in 1993, is owned by the Swedish Energy and the Swedish National Grid. The overall aim is to rationalize the industry-wide research and development. They provide funding for research and development in this field. [1] Eleventh Nordic Conference on Electricity Distribution System Management and Development known as NORDAC 2014 will be held at Stockholm in 8 - 9 September by Elforsk. The aims of the conference is to give the participants to discuss about future challenges and solutions, as well as disseminate experiences regarding technical, economic, and regulatory issues. The topics are very interesting and we decided to participate in the conference. Webinar for Smart Grid will be held in 9th June by Elforsk. The topics of this Webinar are: the use of controllable loads in power system, future customizing of the smart grid, and voltage fluctuations and regular production. We also plan to attend the Webinar.
- Paper for SAIS workshop:
Overview of Smart Grid Challenges in Sweden, H. Nemati, A. Sant´Anna, S. Nowaczyk, 28th annual workshop of the Swedish Artificial Intelligence Society (SAIS 2014)- 22,23 May Stockholm. In this paper we present a brief overview of some of the challenges and solutions in the smart grids, focusing especially on the Swedish point of view. We discuss thirty articles, from 2006 until 2013, with the main interest on data related challenges. The paper overview gives a general perspective of the available challenges and solutions which can be employed in order to solve similar problems at HEM.
- Working with data:
At the moment, I start getting familiar with the smart grid distribution system and the user interface (DpPower). Registered failures log from 2000 until May 5, 2014 are collected. Statistical analysis on this data using Python programming language is started. The data consists of 30 attributes with different values. The type of these values and relation between the attributes are very important and need to be evaluated. Until the next meeting I plan to continue working with the data to find interesting results.
