From: ehsjr@verizon.net   
      
   On 10/11/2021 1:39 PM, Bob Engelhardt wrote:   
   > I have a 24v DC motor that I'm using with a PWM controller supplied by a   
   > 24v SMPS.  I want to be able to briefly switch the motor to 48v with a   
   > relay.  I don't have a 48v supply, but I do have a 24v transformer &   
   > bridge.  I know that the following will give me the 48v,   
      
   Your 24V xformer + bridge will give you peaks of   
   over 36 V   
      
   Ed   
      
   and I think   
   > that the Motor Control will be OK with it.  But I'd like to know if I'm   
   > missing something.  The relay will disconnect the Motor Control from the   
   > motor before connecting the 48v.   
   >   
   > Thanks, Bob   
   >   
   >                          ___________________________   
   +48v   
   > _________              |      _________   
   > |      +|______________|______| Motor |_____   
   > | 24vdc |                     |Control|   
   > | SMPS  |                     |       |   
   > |      -|_______________._____|       |_____      
   Â Â Â Â Â Â Â Â  Motor   
   > |_______|               |     |_______|   
   >                          |   
   > _________    _________  |   
   > | 24v   |____| Full +|__|   
   > |Xformer|    | wave  |   
   > |       |    |bridge |   
   > |       |____|      -|________________________________   
   > |_______|    |_______|   
      
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