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Sustainable Electric Power Systems, ENM125

Status: Avslutad
Öppen för svar: 2011-12-05 - 2012-01-22
Antal svar: 27
Procent av deltagarna som svarat: 50%
Kontaktperson: Valborg Ekman»
Utbildningsprogram som genomför enkäten: Elektroteknik 300 hp

Your own effort

1. How many hours per week did you spend on this course?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. Try to estimate the average time over the entire study period.

27 svarande

At most 15 hours/week»4 14%
Around 20 hours/week»7 25%
Around 25 hours/week»12 44%
Around 30 hours/week»3 11%
At least 35 hours/week»1 3%

Genomsnitt: 2.62

- Former education involved a lot of electrical engineering.» (At most 15 hours/week)
- This was very varying. The first weeks, I almost did nothing, then the project started, and we sat about 30h/week.» (Around 25 hours/week)
- At least 35 hours/week the lat two weeks before the exam» (Around 25 hours/week)
- Very envolving course » (Around 30 hours/week)

2. How large part of the teaching offered did you attend?

27 svarande

0%»0 0%
25%»0 0%
50%»5 18%
75%»12 44%
100%»10 37%

Genomsnitt: 4.18

- Attended most of the tutorials, just a few lectures» (50%)
- went to most lectures but left because i didn"t learn anything. » (50%)
- sometimes the classes ware difficult to follow, not well organized, not "liear".» (75%)
- Domen of the guest lectures was terrible» (75%)
- I missed the first week» (75%)
- Almost 100 % ( I miss a couple of hours)» (100%)

Goals and goal fulfilment

The course syllabus states the course goals in terms of learning outcomes, i.e., knowledge, skills and attitudes to be acquired by the student during the course.

3. How understandable are the learning outcomes?

27 svarande

I have not seen/read the goals»3 11%
The goals are difficult to understand»5 18%
The goals give some guidance, but could be clearer»13 48%
The goals clearly describe what I am supposed to learn»6 22%

Genomsnitt: 2.81 (bidrar till totalt genomsnitt/jämförelseindex)

- On every lesson there was clearly stated what our goals are» (The goals clearly describe what I am supposed to learn)

4. Are the goals reasonable considering your background and the number of credits?

Answer this this question and the succeeding one, only if you do know the course goals.

23 svarande

No, the goals are set too low»3 13%
Yes, the goals seem reasonable»16 69%
No, the goals are set too high»4 17%

Genomsnitt: 2.04

- The course is to simple.» (No, the goals are set too low)
- We should all know basic circuit electrics. I find it difficult to understand why we had to wait 3-4 weeks to be presented with some entirely new teachings. I had higher expectations of the course in the sence that i thought there would be higher expectations put on us, the students.» (No, the goals are set too low)
- As my background is power engineering.» (No, the goals are set too low)
- As the goals where not very clear it was hard to know what to focus on. However, after the exam (and sample exam) the goals where clearer..» (Yes, the goals seem reasonable)
- concidering that the goals are difficult to understand, unclear, im not quite satisfied with this» (Yes, the goals seem reasonable)
- One of the teachers thought we were electric power engineers, whitch we are not... (90% is mechanical)» (No, the goals are set too high)
- Most of the calculation exercises seemed to be based around some kind of former knowledge of electrical systems. » (No, the goals are set too high)

5. Did the examination assess whether you have reached the goals?

25 svarande

No, not at all»2 8%
To some extent»16 64%
Yes, definitely»4 16%
I don"t know/have not been examined yet»3 12%

Genomsnitt: 2.32

- to much questions on the exam and it was unclear what answer you were looking for. Some times you wanted to writ a full page for 0,5 points . » (?)
- the examination (theoretical part) was much harder than expected, expecially compared to the teaching given in class.» (To some extent)
- I think it was a bit unclear until the last week what was really expected of us to know from the conceptual part of the course. It is hard to know where to focus your studies then, so there were things I learnt that definitely didnt come on the exam. Such as capacity outage probability table, LOLP, LOLE etc.» (To some extent)
- The calculation exercises and the exam differed quite a bit in complexity. Spending hours to figure out some exercises feels like a complete waste of time.» (To some extent)
- unclear goals, really difficult to know what to study» (To some extent)
- For me examination hadn"t checked the goals» (To some extent)
Genomsnitt totalt för detta stycke: 2.81

Teaching and course administration

6. To what extent has the teaching been of help for your learning?

27 svarande

Small extent»9 33%
Some extent»9 33%
Large extent»8 29%
Great extent»1 3%

Genomsnitt: 2.03

- The Slides where messy with too much text. Often the you didn"t have time to read before the lecturer started talking with other words then those on the slides making it very confusing. » (Small extent)
- thought that the lectures were really unplaned and messy and gave no clear understanding of the goal of the course» (Small extent)
- The teaching could be better if the different teachers involved know what has been taught in previous lectures, to what extent, and at what level. This would facilitate the learning.» (Small extent)
- sometimes it was hust a repetition of what was written on the book» (Some extent)
- What was expected from the students was rather unclear during the whole course. There was also a fair share of misleading information as we had a number of different lecturers who had not co-ordinated the content of their lectures.» (Some extent)
- Some lectures were completely worthless. Like the one about p.u. and transformers with that guest lecturer.» (Some extent)
- The tutorials have been extremly helpful. » (Large extent)
- Mostly due to Chris and Pramod I hate to say. Lina needs to figure out exactly what she want to teach before the course starts and not change it up during the run of the course.» (Large extent)
- The tutorials were very helpful, the lectures on the topic "sustainability" felt unstructured and didn"t help much» (Large extent)
- Maybe it is just my style of learning, but I learned much more from the tutorial sessions. Please don"t change these. I learned less from the other lectures because there were often incorrect details or the lecturer didnt seem completely familiar with the equations. Some of the lecture notes were very hard to read (handwritten notes from early lectures).» (Large extent)
- Andreas - Great » (Large extent)

7. To what extent has the the course literature and other material been of help for your learning?

27 svarande

Small extent»3 11%
Some extent»11 40%
Large extent»10 37%
Great extent»3 11%

Genomsnitt: 2.48

- The book was too large. A material containing less humor and simplifications and more engineering would be more condensed and appropriate.» (Small extent)
- The literature was ok but had alot of text which might be hard to read as it handles technical explanations. It was hard to consult the book when doing tutorial as it didn"t contain any guidence for calculations.» (Small extent)
- The book isn"t that good, and the exam was almost all about the lecture-slides. So I almost regret I bought the book.» (Some extent)
- Course book was not very helpful for examination. Exam was based on lectures and tutorials.» (Some extent)
- The book was good but there is a huge lack of material for the calculation part of the course. The tutorial exercises needs to be reworked. The aswers did not match the exercises, most of them were unrelevant and way to complex to match the course. Some of them was about things not even mentioned in the course. There are way too many on transformers and way to few about other areas. In the case of decoupled power flow, there were no exercises at all. This has to be fixed. The material about reliability was very hard to understand. I read through all the material available and still didn"t understand how it worked. The tutorial notes are to abbreviated and skip half the steps.» (Some extent)
- Since I didn"t know more or less anything about electricity before this course, the literature helped a lot.» (Large extent)
- The course literature was great but was sadly not really represented in the exam.» (Large extent)
- the book is good and the calculations from the compendium» (Large extent)
- book really well done» (Great extent)

8. How well did the course administration, web page, handouts etc work?

27 svarande

Very badly»0 0%
Rather badly»7 25%
Rather well»15 55%
Very well»5 18%

Genomsnitt: 2.92

- Slow on updates for slides. They where not published before lecture so no preparations could be done.» (Rather badly)
- Changes to the course content was not distributed to the student. Changing a lab the night before and not telling anybody is scandalous. Uploading all material as one large PDF is not a good idea when it"s not complete with a table of contents. It was impossible to find anything in it so I had to cut it up into several small files myself.» (Rather badly)
- There were problems at times, but I think those were mostly due to the course being new» (Rather well)

Study climate

9. How were the opportunities for asking questions and getting help?

27 svarande

Very poor»0 0%
Rather poor»4 14%
Rather good»12 44%
Very good»11 40%
I did not seek help»0 0%

Genomsnitt: 3.25

- When you e-mailed both Lina and the teaching assistance you didn"t get an answer!» (Rather poor)
- But, it was easy to ask all the help teachers, calculation teachers and computer lab teachers, they were really good and helpfull.» (Rather poor)
- In a few cases when I/we mailed we got the answer right away (beginning of the course). But in the end of the course when we for example asked about the computerlab and the report we didn"t get any answer. In some other cases (don´,t remember what I wanted to know) I never got a answer.» (Rather good)
- Got good help from Chris, Pramod and Khalid on several occasions.» (Very good)

10. How well has cooperation between you and your fellow students worked?

27 svarande

Very poorly»0 0%
Rather poorly»3 11%
Rather well»5 18%
Very well»19 70%
I did not seek cooperation»0 0%

Genomsnitt: 3.59

- Not so much cooperation. During the Powerworld project I found myself in a group which for different reasons could not work together so most of the project became individual work. One person dropped from the course and one basically just didnt work at all. So our project was mostly done by two persons, and even we two hardly had time to work together outside of the scheduled time because of the fact that we took different courses. This was probably due to bad luck on my end however.» (Rather poorly)
- I liked being able to choose my group» (Rather well)

11. How was the course workload?

26 svarande

Too low»0 0%
Low»2 7%
Adequate»16 61%
High»7 26%
Too high»1 3%

Genomsnitt: 3.26

- Like I said, the projects workload was enormous. Nothing else.» (Low)
- Because of my power engineering background. Would not have taken the course if I had known that the word "Sustainable" in the course name means nearly nothing. Also, it would be better, if this course was not compulsory elective for students with power engineering background.» (Low)
- But in my eyes too much time was put into making sure that everyone knew concepts that we (in my eyes) should already be familiar with, such as basic circuitry: Ohms law, KVL, KCL, complex characteristics (resistance -> impedance etc), basic transformers (N1/N2 factor). I would rather push throu all that in one week just as _very_ quick repetition and just expect people who dont understand these things right away to learn for themselfs. This is supposed to be an advanced course for christ sake! I would like more focus on things like: 3 phase system, power flow, network grid and operation.» (Adequate)
- With my background it sometimes felt like taking five courses at the same time. So the course contained to many different areas.» (High)
- Due to that we didn"t know what to focus on.» (High)

12. How was the total workload this study period?

25 svarande

Too low»0 0%
Low»0 0%
Adequate»11 44%
High»9 36%
Too high»5 20%

Genomsnitt: 3.76

- But I took three courses so that"s my own fault. » (Too high)

Summarizing questions

13. What is your general impression of the course?

27 svarande

Poor»6 22%
Fair»12 44%
Adequate»5 18%
Good»4 14%
Excellent»0 0%

Genomsnitt: 2.25

- this was the first time this corse was done but it has alot of holes to fill. The lectures need to improve alot. Often the tutorial personell had to explain the basics again after the lecturer. They also didn"t know what the lecturer had gone trough . It almost felt like the lecturers came unprepared and made up the lecture on the spot. Poor quality.» (Poor)
- It needs a lot of work to be considered good. It"s a shame the course is so poor because the topic is very interesting and highly relevant. » (Poor)
- interesting: it was the first time, but it should really improved. the main idea, the goal of thecurse is good! try to improve the classes. » (Fair)
- Only thing keeping me from putting "poor" is Chris and Pramod, plus the study visit and the computer project which was good for my learning.» (Fair)
- It was rather unstructured. The technical part of the course was very good, however the sustainability part felt a bit irrelevant and it was hard to get an overview of the course. The technical and the sustainability part did not complement eachother, it felt like two different courses.» (Fair)
- Course needs improvement. Clear goals, coherent lectures, communication between lecturers. The scope of the course might also be too large. It tries to grasp something of everything what took me 3 years to study. It is on paper a good idea to give students a basic understanding of power systems, however the concepts are complicated enough so that an understanding in such a short time might be impossible to reach.» (Fair)
- a very interesting theme, but the course were messy and this unfurtunately destroid the overal impression» (Fair)
- The course has been messy. Difficult to know what you should focus on. A big part (75%) felt was focus on "electric" and how that is working (first in the end power grid and society was introduced, something I would have more of, felt like a short section, but much information). But the exam didn´,t reflect the same amount. I felt like the exam didn´,t reflect on what was the focus on in the course. It had a little bit of everything. Which I don"t thing matches what they sad about the exam before.» (Fair)
- The lecturer Lina Bertling was not appropriate for this course.» (Adequate)
- My impression was poor in the beginning but I think the course overall was good for being the first time it was offered. There could be more interaction between the teachers. It felt like the teachers often didn"t really communicate on what was discussed in the other lectures/tutorials. » (Adequate)
- This course is an almost necessary addition to the MPSES programme. There was some problems, mostly related to the course being new, but overall a good course.» (Good)

14. What should definitely be preserved to next year?

- The tutorials, more of them. The project is good, but please give us some more info about the criteria for the project. I think we made about 15 different systems, that we all thought worked, but when showing them to the teacher all of the sudden something new had to be fullfilled. Please make this more clear for next yar.»
- Tutorials»
- The study visit, that was really nice but maybe have a small briefing before to show what we can expect and also tips on what to look for specifically. The powerworld computer project should definitely be kept, and maybe add a small warmup project already the first week?»
- The tutorials and the computer project»
- The tutorials was ok, considering they had to hold unprepared lectures in the start of every one because no one had understand anything from the lectures. computer lab was ok, but clearer instructions and have the same version on chalmers as the one you can download»
- Lab. Tutorials were mostly good. Computer lab was good.»
- The lab as it was now but with the correct lab PM. The computer lab was interesting but it was hard to get it going. »
- The exercises part it was very interesting, the theory part less. I have had some difficulties to study with the literature material. Slides were too much conceptual without clear explanations.»
- I really liked the course book! I know some people complained about it being "too fuzzy" and "loads of talking and talking but little information", but I think this book is perfect for the aim of the course. It is about conceptual understanding instead of the typical American way (presenting three millions equations and how to derive them). I believe MPSES-students (i.e. mechanical and chemical background) in general miss the conceptual understanding. Equations can be learned later if someone gets interested.»
- computer lab»
- o Study visit to the substation o The tutorials! They were very helpful. o The computer lab as it is good for understanding the theoretical aspects of network design»
- Tutorials»
- The different areas of knowledge were all really interesting, however since we only "scratched" the surface of each area the course became more of a bachelors course than a masters course »
- Project, labs, »
- calculation exercises»
- the project»
- Exercises - it was a total disaster »

15. What should definitely be changed to next year?

- Linas lectures are good, but it is to much of a summary of what she"s already said. Make the course involve more, and she can make her lectures more unique. »
- Lina Bertling»
- - not so many professors, - approach to the big assignment, - teaching method.»
- Some of the lectures were useless, and some were good. There was an old man, i dont remember his name, but i didnt learn anything in 4 hours there. I think the course was not for us, we didnt have any background for this. I also think that the "sustainable part" were very good, i find this part very intresting. But i think the course were a bit messy. I learned from the project that cost of lines and shunts are important, nothing about the elctrical though. »
- Give Chris more lecture time, starting first week. Change the focus of the course towards concepts that should be new to most non-electro students like 3 phase system, power flow, network grid and operation. Cut back on basic concepts that we should already know, like basic circuitry: Ohms law, KVL, KCL, complex characteristics (resistance -> impedance etc), basic transformers (N1/N2 factor). ADVANCED COURSE!!!!»
- Restructure the course and make it clearer what the examiner wants us to learn. Since the exam mainly was about sustainability and it felt like the focus of the course was on the technical aspects, the exam should probably be shifted somewhat towards the technical aspects.»
- Not so much informatione per powerpoint slide!! Cant follow the lectures with som much information, dont have time to read them during class. Mote strucktured lectures that take into account that we havent taken any electrical corses before!!»
- Guest lecture from vattenfall didn"t know English nearly good enough to hold a lecture. Lina need to star teaching more hard facts. She spend way to much time talking about whats important and not without actually getting to the real info. »
- Inconsistency of the lectures.»
- Shorter lectures. 4 hours is brutal and with such poor quality it often felt as a waste of time. »
- The computer lab needs some work. First of all, make sure it"s the latest version of PowerWorld on the computers because files from the new version we downloaded at home did not work on school computers which lead too a lot of extra work. The tutorial exercises needs to be completely reworked to match the course. The answers needs to match the questions.»
- Theory part.»
- I think the lectures must be more structured. I guess the problem was that Lina were uncertain about our knowledge level. Sometimes she rushed through things that were really complicated, and then she spent 15 minutes explained something that 90% of the class already knew. This made the the lectures messy and a bit frustrating. My advice is to make more structured Power Point-slides (just a few sentences per slide) and try save the most basic questions until after the lecture.»
- o New teacher for the lectures about transformers! o The first lesson in the computer lab should be used to give the students an introduction about electric network design aspects»
- more clear goals, better lectures, more reasonable labs»
- More dialog between the teachers is needed in order to coordinate towards the desired learning outcome»
- the structure of the course, more structured lectures with clearer goals»
- If there is 4 hours of class in a row, it would be better to have 2 hours of lecture and 2 hours of tutorials. This seemed to work better towards the end. »
- better communication between teachers. It MUST be clarified what is the focus areas, what"s important to understand etc, both to help teachers and to the students. Many of the lectures were of no use.»
- the introduction part of the first two lectures was too long, at a too low level.»
- Better structure and explanation what the course is really about. What is focus?? Don"t thing that you need so detailed information on electrical system so you can"t understand "power grid and society". for me it felt a little bit redundant (my background is not electrical).»
- Exercises - it was a total disaster »

16. Additional comments

- the concept ware really interesting, just try to organize in a better way the work, maybe put on the web page some pre requisites, so that you can save time and go in deep detail into the transmission system!»
- I think the subject is intresting, but i think the course is a little confusig. I didnt know what to study before the very end, I know it was the first course, and i hope the course will be better for next year caus this is a very important subject, »
- Introduce the computer project a bit later on in the course, since we didn"t have the slightest clue of what we were doing in the beginning. We didn"t have enough knowledge in the field of electric power flow. It would also be a good idea to include a small project where we get to write our on code in Matlab that solves e.g a three bus decoupled power flow.»
- Get a better plan on what the course shall include and follow it. »
- I think there are a lot of other bad things I"ve forgotten. »
- The subject is interesting and important, so shape up this course!»
- I think it was to much question on the exam with low points. Hard to know how much you have to write. The computerlab had varied teaching quality. It is hard to solve a problem when you don"t understand what you are doing and when the teacher either can see what the problem is and therefor can"t solve it. Had a few lessons when we had problems that couldn"t be solved, which is a bit annoying.»
- Exercises - it was a total disaster Course - all in all it was great »

Genomsnitt totalt för alla frågor: 2.81
Beräknat jämförelseindex: 0.6

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