Very interesting! Thank you for sharing.

Congratulations on the excellent video.

130.8 mili-volts is bad???

EMF cores stop common mode current before it's get to your motor. This protects your motor insulation that ground rings or insulated bearing don't offer. 3Phi

Is CoolBlue effective for all kinds of bearing currents. I thought it only affects circulating bearing currents, because it reduces the common mode current but not the voltage, which is the main reason for EDM-currents. Or am I wrong here?

Pleasantly surprised with a quality and informative video. Thanks! Not sure if anyone’s mentioned it, and I know this is an 8 year old video, but there’s a typo in the title cards at the start of the video.

Thanks for the video, do the arrows have to be pointing at each other?

Hii bro, would like to watch parts and I could not find it in your channel. Iam working in generator compny and my customer wants to install rtd in alternator and it's very expensive, is there any other cheap Devise to measure temperature in alternator winding. Let me know please

Pls give nu 310 roller dm and leangth

You are great my firend

Hi Jim ! Thanks for the amazing video !! Can you help me out on something ?? I have a 10 hp a 30 hp and a 60 hp motor. All of these are in a crane. They all work on 240v. I need to calculate the ohms of the resistors to add in order to get a 50% speed. Can you help me on this calculation ??

Thanks Jim, There is this 4100kW wound rotor that usually have burnt pigtail (middle) on all the 18 carbon brushes of the slip ring after few weeks of operation. We have changed the LRS solution, the carbon brushes and also improve on the compartment cooling. What else can contribute to this?

Gracias

Thanks Jim this is an old bridge crane controlled by large drum switches. im converting it to a pendant control from the floor instead of cab control. the bridge is a 15hp WRM. if i were to keep the resistors in the rotor circuit, wouldnt that give me good torque and be easier on my vfd? just bouncing some thoughts of you. thanks

if you were to replace a drum controller with a pendant control and use pendant to energize a vfd. would setting the resistance of the rotor curcuit at half way would that be a happy medium?

thank you yyyyyyyyyyyyyyyyyyy

Hi Sir, I need your advice, I replaced DE and NDE bearings for Vertical Motor (WEG) and when I made Solo run test, Abnormal sound happened in the motor By the way I used Springs bad quality for Thrust bearing, and also I don’t have references drawing which is showing the spring compression? Please your advice

Nuw fitig

I have a question. If we use of two insulated bearing of any side of motor(NDE & DE).we can solve this problem?

good.

Very good

Using low pass filters in the output filtering out the HF from the vfd letting through only the low drive freqeunties does that not help? or use of class D three level vfd who has low harmonic distortion and clean sinusoidal signal after the low pass filter set on 100 hz or so.

If you'd like to see a Sneaky Quote Tricks Part 2, let us know in the Comment section. We have some good ideas for Part 2.

Thanks. Very informative. But why does the diode convert AC to DC voltage

Hey looking for more info on accreditation, currently working in the field and need some extra info.

Thanks

Thanks for your great videos, very interesting. Question from a total novice: will an NUP bearing function the same whichever way it is oriented on the shaft? I ask because my online research has led me to understand “Mounted on the non-flange side of the inner ring, the thrust collar allows the bearing to carry an axial load in both directions.” And further that “The thrust collar extends out of the bearing on one side, so the dimension across the inner ring is slightly greater than that of the outer ring.” This second explication suggests (to me) that it might matter which order the parts go on the shaft. The Toyota factory installed this bearing on the transmission counter gear shaft (using their terminology) side race, bearing outer race and rollers, and then the inner race, which is a press fit. However, the Toyota Repair Manual, in both the disassembly and reassembly have this order reversed. Which kind of suggests that it doesn’t matter. Bottom line, I want to do it right, do whatever will give me the best, longest service. So I ask the experts, if there is a preferred orientation, what is it? Thank you Robert

How much time did it take?

What is the FLA of this motor.

Think I'll make a bearing tomorrow, thanks!

hi, i'm looking for one of these ?? they're selling this?

To download a copy of the EASA/ANSI AR100-2020 Specification: @t

Download a copy of the EASA/ANSI AR100-2020 Specification: easa.com/DesktopModules/EasyDNNNews/DocumentDownload.ashx?portalid=0&moduleid=2680&articleid=2792&documentid=1100

To download a copy of the EASA/ANSI AR100-2020 Specification: easa.com/DesktopModules/EasyDNNNews/DocumentDownload.ashx?portalid=0&moduleid=2680&articleid=2792&documentid=1100

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