Finally came to this conclusion: frequency conversion speed regulation is the most beneficial, most promising, best performance, and most widely used motor speed regulation technology in the world.
Finally, it is concluded that variable frequency speed control is the most efficient, the most promising, the best performance, and the most widely used motor speed control technology
Finally, the conclusion is drawn: frequency conversion speed regulation is the most effective, promising, best performance and most widely used motor speed regulation technology in the world<br>