powcontech

8 ms·

1.
by powcontech 14d ago
What building in Ottawa has 15 billion dollars of Dutch gold in it ?
2.
by powcontech 4y ago
A 5 kW inverter at a house is different from a 500 kW inverter in the desert
3.
by powcontech 4y ago
I’ve heard of issues with contactors failing in cold temperatures and dust or dirt (it is the desert, sand gets everywhere) causing fibre connections to stop working, ruin fans, cause overheating, outages, millions of dollars lost.
4.
by powcontech 4y ago
I am responsible for maintaining eight 150 Ah 120v dc battery banks. The sites also have diesel generators so the batteries really only get used for the 10 seconds it take the diesel to start, maybe 4 or 5 times a year. The batteries are i
5.
by powcontech 4y ago
And yet how many people do that and ditch their grid connections? The reality is having as much electricity as you can use whenever you want for 10 cents a kWh is not something solar/battery provides.
6.
by powcontech 4y ago
Do you have a source hydro turbines “turning fish in to mulch”? I’ve been around lots of hydro projects and the main hazards for fish seemed to be either dewatering of habitat due to turbines reducing flows too quickly or I heard it is bad
7.
by powcontech 4y ago
AI is not even required, it would be quite easy to filter out the frequency of the noise from the rotors using technology that has existed for decades if not almost 100 years, indeed Butterworth was designing his filters in the 1930’s
8.
by powcontech 4y ago
You can, but I wonder do the operating conditions of the river actually allow it for a great number of plants? Or are they hemmed in by needing to always have a certain flow in the river plus/minus 10%.
9.
by powcontech 4y ago
While dams certainly store energy I wonder how many actually have flexibility to change their output by 80% of rated capacity or more on the same timescales that wind and solar output can vary. I imagine there are a lot of environmental res
10.
by powcontech 5y ago
The pricing is sometimes based on negotiations which consider the cost of alternative sources of power, the operating cost of the plants, and refurbishments and maintenance it will need over the course of the contract term.
11.
by powcontech 5y ago
Electrical power engineer in generation and control systems $150-$190 cad/hr
12.
by powcontech 5y ago
I am really curious how you are using LO?