Body
DaveYes that is rightI remember Mike showing that to me.In practice, the heat pump air to air system, in place, works very well in even -27 C.
It of course can work even better using liquids.cheers Warren
Sent from Yahoo Mail on Android
On Thu, Mar 15, 2018 at 8:49 PM, Dave 1 [email protected] [EVGRAY]<[email protected]> wrote:
Warren, the slip ringed rotor needs DC power from a isolated set of control windings in the stator.it powers the voltage regulator circuit and get rectified.The rotor iron need to hold some magnitizm after generator is turned off otherwizeit can't excite control windings. That's why you remagnitize it when those pesky iron molecules turn queer.
How does a air to air heatpump work when it's under 0 ?Down here we have backup indoor several KW resistance coils in all heatpump systems, when it's subzero the outside the condenser shuts.
On Thursday, March 15, 2018 7:16 PM, "[email protected] [EVGRAY]" <[email protected]> wrote:
Yahoo just doesn't want the full message to go through!
The gif-image of the stator:
Regards
Ole
---In [email protected], <onielsen@...> wrote :
Yet another try:
Hi Dave,
"Did ! anybody understand what CZ stator schematic drawing video showed?"
Hehas one coil around each smallest pole piece between two slots. As theoutput curve shape isn't perfect Pierre is seeking a solution whichmight be to remove some micro-poles between each macro-pole. This maynot actually be the problem and solution. The problem could be how thestepping macro-pole rides across the locked rotor poles. Perhaps themacro-pole should be one micro-pole wider? In motor (generator) rotorsthe pole pieces are shaped for best performance.
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