Design letter vs. code letter on motor namplate
Design letter vs. code letter on motor namplate
(OP)
Can anyone explain the difference between code letter and design letter date found on motor nameplates? It apperas though both are related to locked rotor current. What is the difference between the two?





RE: Design letter vs. code letter on motor namplate
NEMA CODE LETTERS FOR LOCKED-ROTOR KVA: The letter designations for locked-rotor kVA per horsepower as measured at full voltage and rated frequency.
I am usually using the NEMA Code Letters to determine LRA.
RE: Design letter vs. code letter on motor namplate
The locked rotor code letters designate specifie ranges of locked rotor KVA per horsepower. There is a table in MG1.
RE: Design letter vs. code letter on motor namplate
JRaef.com
"Engineers like to solve problems. If there are no problems handily available, they will create their own problems." Scott Adams
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RE: Design letter vs. code letter on motor namplate
This WEB could help you:
www.egr.msu.edu/age/extension_outreach/technote103
regards
Petronila
RE: Design letter vs. code letter on motor namplate