XPost: alt.home.repair, uk.d-i-y, alt.sci.physics   
   From: nobody@haph.org   
      
   Arthur Conan Doyle    
   news:n1ff2el7b5fc6megbeihv069t05gouso10@None Sat, 29 Dec 2018   
   18:27:21 GMT in alt.home.repair, wrote:   
      
   > "William Gothberg"  wrote:   
   >   
   >>Why is it called an invertor?   
   >   
   > Typical microwaves use fixed AC power to drive the magnetron.   
   > Inverter driven magnetrons use DC power, which can be variable.   
   >   
      
   Wrong.   
      
   Both styles actually take AC incoming mains, raise it to 5k or so,   
   and convert it with a single diode mind you, to DC to feed the   
   magnetron. The filament is fed by low voltage AC. Neither of them can   
   or do vary the voltage going to the magnetron. That's just not how it   
   works. You can't lower the voltage to reduce microwave energy. And   
   you can't raise it to get more microwave energy, either. The   
   magnetron requires voltage within a certain range to function. More   
   than that will burn the magnetron up. Less will prevent it from   
   making viable microwaves.   
      
      
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