Guru
Joined: 22/10/2019
Location: AustraliaPosts: 830
| Posted: 01:13am 29 Mar 2023 |
Mike, Warpspeed suggested I measure the idling power loss of each of those cores while they were bare.
I reported the results back then but figure it may be helpful to paste (the corrected name version) in here.
Wound both with 20 turns.
#1Tx is the rough looking Eaglerise Electric
CSArea of 37.1 sq/cm
16.47V RMS gives a result of 1 Tesla on the calculator.
.8235V/Turn
Fed winding with 16.47V RMS and showed reading of .47A
Am I correct in saying that VA = 7.74 ?
#2Tx is the much better looking Hefei ECU-Tamura toroid
CSArea of 35 sq/cm
15.54V RMS gives a result of 1 Tesla on the calculator.
.777V/Turn
Fed winding with 15.54V RMS and showed reading of .36A
VA = 5.59