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US I presume the distribute in RTD temperatures you cite refer to 6 various measurements for 6 RTDs Positioned at different positions throughout the windings wherever RTD places involve in-slot and endturn locations. Endturn RTD locations can yield significantly higher temperatures than common winding temperature in motors wherever endturn cooling is not really used as well as the endturns are fully surrounded by air. If endturns are cooled by encapsulation in epoxy-like compounds or by hooked up metallic heat transfer devices, then it is feasible that finish turn RTD temperatures may well even be lessen than ordinary winding temperatures.

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For something which is generally consistently functioning, it is determined by the relative efficiency curve in the chiller vs. cooling capability. The end result should be a cost-area, but it's likely to the fairly flat close to the peak effectiveness.

US Matador, would you be confident which the ridge venting would remedy the challenge? Stack stream may possibly continue to be limited with the open up place with the five lower vents on either side. Just a considered. My 1st thought is, Is that this a making that should be enclosed?

edison - Excellent concern regarding the copper winding resistances. I haven't got that information helpful but it would lose some mild And that i will certainly test to uncover any winding resistnce exam success we have on sister units.

four. You didn't point out voltage, but it really looks like 4000 Volts. Take note that these coils are taped and so there is a big temperature differential across tape. So your differential is more alarming. I hope the company used 220C wire.

But take care about the therms "relation" and "have an impact on". With relation i necessarily mean which the "outcome" of one DOF to a different is predefined or in preprocessing stage.

The six or more thick tape-like RTDs (30 or 70 X 80mils)made use of now in traditional air-cooled motors slots or between coils have three electrical sales opportunities which presumambly would not have the thermal losses in canned motor RTDs and may generate moderately exact measurements of temperatures in the tape web-sites. It would appear, having said that, that Get in touch with stress variations around the RTD tapes connected with winding assembly results may bring about temperature variations from motor to motor that could don't have anything to perform with circuit electrical or magnetic area deviations. The most temperature increase of 107C is barely 76% of the allowable 140C increase for Class H insulation and assuming delta T proportional to I^2R would allow a present-day raise from 111 amps of 114.4% to about 127 amps right before maternity trousers insulation temperature limit is achieved and insulation existence is adversely afflicted

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Mr. Dees stated he didn't bear a grudge towards the Corporation he helped electric power for many years, but that he was saddened that his critics “would head over to Intense actions” to undermine his job.

You really just should appear through that to uncover your response concerning if your chiller general performance improves by running at forty four-sixty EWT/LWT temps, and lessening your move accordingly.