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学生对 École Polytechnique 提供的 Photovoltaic solar energy 的评价和反馈

4.2
476 个评分

课程概述

The course is an introduction to the photovoltaic (PV) applications in the general mix energetic context dominated by climate warming mitigation. The various uses of solar energy are firstly presented before a short description of the principle of the direct solar photon conversion into electricity (PV). The various PV technologies are reviewed in the current context dominated by crystalline silicon cells. The perspectives of the various technologies are then analysed in terms of R&D investments. From a more scientific point of view the basis of the solar cell operation is presented from the solar spectrum characteristics. The fundamentals of PV conversion are summarized. In particular the various sources of the conversion efficiency limitations are reviewed. The solar PV systems, from cells to grids, are also addressed, with a particular emphasis on the challenges of grid-integration of PV and the development of storage technologies. The environmental and social impacts of PV are compared to the competing energy sources. Generally PV is at advantage as referred to other fossil or renewable sources. Finally the fast evolution of economics and financing of PV is presented together with the current key players, mostly Asian companies....

热门审阅

YZ

Apr 17, 2020

Very good overview of solar energy and practical knowledge . also a lot of details on how the technology works. I am glad that i completed the course

RS

Sep 15, 2019

I am glad that i completed the course even i am busy and i summed up some knowledge on Photovoltaic and its development and importance in future.

筛选依据:

126 - Photovoltaic solar energy 的 141 个评论(共 141 个)

创建者 Richard K

Jun 3, 2018

interesting content

创建者 Carlos A G C

Jul 18, 2020

The teaching is fine (unsynchronized english subtitles but fine at the end of the day), however, the last questionaries in weeks one and three are utterly dissapointing. First week load factor quiz avoids the use of a very important topic and last week assumes things not explained and kind of unrelated to the teached lectures. There is not feedback with the answers so you do not know how to fix them and the questionaries are only 1 to 3 questions so you have to pass all the questions to approve (whose topics and considerations are not correctly explained in lectures).

Most of the topics are interesting, well explained and worth seeing, but if you yearn for a certificate then forget this course (not recommended if you want the certificate).

创建者 lemondealc

Feb 11, 2021

The content is too dense. I'm not quite sure who this MOOC is supposed to be for. The very first test was based on a very poorly formatted excel spreadsheet. The lecturer was very hard to understand (French is his native language). I'm sure it would be a good review for an older engineer who wanted to learn about solar cell principles, but it is not a good course of a beginner to learn how a solar cell works.

创建者 Ansar M

Nov 13, 2021

COurse inteructor's accent was quite hard to understand.

Course's topics were not deeply defined for beginners.

创建者 akramnasser96

Jan 22, 2021

The subtitle was ao terrible i wasn't able to understand most of the videos

创建者 Claudia E

Dec 14, 2019

pretty hard to understand the english....

创建者 Sohan L B

May 13, 2020

Quiz not explained well.

over & above the language issue.

60 percent words are eating them self.

yjis is not a master degree course as the questions asked. specifically Quiz 2.2 & Quiz 3.2.

wasted my lots of time in that.

No hint given and explained too,

创建者 Sjoerd H

Aug 12, 2020

It can be very hard to understand at times, which is sad because the information in and of itself is informative. You also have to pay in order to take quizzes and retain any of the information in my opinion.

创建者 Sayma N

Dec 2, 2023

The speech of the professor is so unclear. Even the subtitles do not match with the audio clip. How can we understand then ? Totally disappointing as I had high hopes to learn about PV solar energy.

创建者 Pouria P

Jun 28, 2020

awful! the main teacher have harsh french dialect so it was hard for me to understand what he said. also the last quiz was not studied in videos so caused lots of problem for me.

创建者 Degenson

Jun 17, 2020

Need to improve the subtitles. It is impossible to follow what the speaker is telling.

创建者 Sina D

Sep 16, 2020

It is very hard to understand and some quiz problems are irrelevant

创建者 Marina M

Oct 23, 2021

It doesn't allow me to un-enroll.

创建者 T.N V K

Jul 8, 2020

not able to understand the accent

创建者 Mohammed A A A

Jan 12, 2022

one of the worst courses ever

创建者 Eric M

Jul 16, 2020

Can't understand one word