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Just have to fill those, they'll pop right back out.

Yes, the configuration lets transformer action force them to share equally.

If you are applying a UL listing, make sure you follow the UL requirements and not the nVent tables to size the flexbus.

Only way I know is using a center tapped reactor, each SCR feeds into one end and the output is the center tap. I think a dual winding transformer configuration could also be used.

Right, it's possible. Applications requiring a varying flow can save money using a VFD. There's no guarantee that an application with varying flow demands will save money. However, "I'm going to use a VFD because the affinity laws tell me it'll save money" isn't a great way to engineer it. I've...

There is a big disconnect between what people think the plane should be capable of, and what it really is. Boeing and the airlines make believe they can be flown like a new FBW design, but it's simply not true. As for blame, there is plenty to go around, and the blame can go back long before...

You're so high on yourself. You got kicked out because you purposely argued with everyone about anything posted.

Tug - your posts can't get any stupider? There's no point being politically nice when you're posting complete idiocity to purposely argue with others. I'd say go back to the pub for this kind of stupidity, but you posted so much complete crap you got banned from there already.

LOL, assuming an automatic energy savings because the affinity laws told you so is a path to failure. It'd be nice if it was that easy. I hate to tell you, but VFDs use PID loops for process control, not for energy savings. You do it because you need a certain flow rate, or a certain volume in...

Don't fall into the fallacy of believing a reduction of the power input into the motor means you're saving energy. Energy is work done and the work done should be considered as the product due to operating the motor. In this case, it could be considered the amount of juice concentrated in a...

Transformer vibration damper - In case anyone doesn't know, the part of the transformer in the picture with the brace is the enclosure box around a dry type transformer. This type of box is just a lighter gauge steel basically there to provide voltage protection from the transformer. These boxes...

Bill, There are very few motors that internally control the field application. So few that I don't see any, maybe once in all the time I've dealt with brushless motors. WEG sells motors without SCR-1 and the control circuit. that part is an option and they tend not to sell that part. I've seen...

Generally, you apply power to the stator and let the motor accelerate. When it reaches pull-in speed you apply power to the brushless exciter field winding which then applies the field to the rotor. You either use time or you use external speed detection methods to determine when to apply the...

Every production car with vacuum assist sold in the last 20-30 years makes enough vacuum at idle for the assist to work. Some old stuff might not have, but manufacturers have long figured out how to do it correctly. Losing vacuum assist at idle is a non-issue.

They wouldn't even attempt to do that.

There is mention about not being able to bring corporate manslaughter charges against the firm once it was dissolved.

The breakers might have had UVR coils, but using them doesn't make a medium voltage control scheme simpler. You'd still want an uninterruptable supply to ensure a fault on the system doesn't "blip" the UVR supply and trip breakers you don't want tripped. If anything, I would think that the...

Seems kind of pointless to prosecute the firm, it'd be a hollow victory since everyone already knows they are partly responsible and they won't get any money prosecuting a liquidated company.

UVR is not common in any kind of industrial environment. We have about 30 MV breakers on the shelves right now and none have UVR coils in them. We've only sold 1 in about 6-7 years. No customer wants them. It removes trip selectivity from the breaker control scheme since a control voltage...

There were a lot of cladding fires before 2017. There were a lot of warning about the dangers. Celotex falsified the insulation tests. The cladding applied over the insulation wasn't supposed to be flammable. The windows were not installed properly and provided no fire barrier resistance...