All Questions
Tagged with energy solar-energy
14
questions
2
votes
4
answers
165
views
Matching generation and consumption in renewables
To balance power generation and consumption, traditional power plants such as thermal and hydro have governors that regulate the steam/water that flows into the turbine.
The energy that renewables ...
- 91
0
votes
2
answers
2k
views
Battery capacity and parallel vs. series battery connections
Say you have 4 200 Ah 12 V batteries connected in parallel, this as I’ve come to learn increases the amp-hour value and not the voltage, and say you have another system same as that but connected is ...
- 3
0
votes
1
answer
628
views
Convert kWh during a 1 hour period to average 15 min kW output
If I have a photovoltaic system that outputs 100 kWh from 1PM - 2PM on a given day and I am trying to figure out what the average 15 minute kW would be during that time period, would that be equal to ...
- 1
3
votes
1
answer
245
views
Is there a linear relationship between energy production and global horizontal irradiance?
I'm an apprentice in data science. I am currently working in a company that produces and installs energy storage systems. One of the clients of this company wants to estimate the loss due to the ...
- 33
1
vote
0
answers
60
views
Are PV panels convenient without incentives?
I finally finished a project in which I designed a 55 kW of PV system for a 50 kW load and I finally calculate costs and revenues over 20 years. I found that with a 25% of incentives for the cost of ...
0
votes
0
answers
762
views
How to calculate energy from power I receive every 5 minutes
I have to calculate energy from power measurements, which I receive every 5 minutes. The values are summed and assigned to measurements, then monthly measurements and finally yearly measurements. ...
0
votes
1
answer
300
views
Can I charge a 16V 16.6F supercapacitor with an 18V solar panel?
I'm working on my calculus project (I recently started college) and my topic is using solar panels and supercapacitors to help mitigate the lack of energy/electricity in the rural areas in my region. ...
- 3
2
votes
1
answer
75
views
Drawing energy from a 3.7V LiPo battery while simultaneously charging with a solar panel
I have a 200mAh 3.7V (0.7W) LiPo battery that I am looking to use as an energy source for a large model airship.
I also have a 7.2V 100mA (0.72W) solar panel that I would like to use as a means of ...
- 21
0
votes
1
answer
1k
views
Power factor down after solar connection
We installed solar plant in factory. After that power factor goes down to 0.16. Normally it never goes below 0.85 in history even if we keep APFC off. We always maintained it to 0.99. Note - Main ...
0
votes
1
answer
77
views
Interfacing Arduino for variable power supply
I'm a mechanical engineering student with no knowledge on Arduino microcontroller. I am currently working on a project of using Artificial Neural Network in a hybrid solar heating system. The hybrid ...
- 1
1
vote
0
answers
148
views
Design of a 5kW residential Solar system with battery- need help with electrcial diagram
A design project asks for a design proposal of 5kW solar panel with inverter and battery system for a residential house.
I have completed the energy estimation, panel size, orientation, and selected ...
- 11
3
votes
4
answers
915
views
Is there a minimum amount of electricity that can be fed back into the grid? [closed]
This is not fully related to electrical engineering, but I have been reading lately about Feed-in-Tariffs and solar energy production and I cannot find any information on the amount of energy that can ...
- 193
7
votes
0
answers
275
views
Is the duck (curve) still a duck? [closed]
In 2013 the California Independent System Operator (CAISO) published this image, dubbed it "the duck curve", and took the internet by storm (or, at least the part of the internet that tracks trends in ...
- 881
0
votes
1
answer
60
views
Efficiency of Parabolic Trough
I just started learning this in class and am not understanding how to answer.. A parabolic trough has an active area of 18.1 m2, and produces 2960 W of power. The average solar power that falls on the ...
