Tagged Questions

6
votes
1answer
229 views

What is the nature and history of UL capacitor recognition?

First, the background. I've been working on a grid-tied inverter design for some time now. General topology is: We've just completed UL listing our product under 508c, and the process was quite ...
0
votes
1answer
174 views

Circuit for helping big motor to launch

Is there any electric circuit that can help a 2000W Inverter to run a motor with 500W but actually want a big power resource at launch time such as refrigerator? I think if we have a big Capacitor it ...
1
vote
2answers
325 views

My inverter keeps flipping between battery/mains slowly at first, then faster. Why?

Here's the situation. I'm possessed of an inverter purchased nearly a decade ago. A few months ago it started to make a clicking noise of it's own volition The repairman said he replaced the relay ...