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need 24V to 115VAC 3 phase inverter for gyro
John_F wrote:
The smallest lightest weight way it to do this is to generate 180 volts DC with a high frequency DC to DC converter then use a counter to generate the three phases which drive a six FET three phase H bridge to generate a modified sine wave using the 180 volts DC that you generated with the HF transformer which is much lighter weight than a 400 Hz transformer for the same wattage. This will give you 115 VAC at 400 Hz and eliminates the heavy 400 Hz transformer. John On 29 Oct 2005 01:20:54 -0700, wrote: I've got an ARU 44 gyro and I'd like to power it off my 24VDC system. It needs 115VAC 3 phase, and about 75W to 100W. Is there an off the shelf unit that can do this, or maybe someone knows of a schematic to build my own? I'm an electronics engineer so I can do this, but inverters are not my specialty so any guidance would be greatly appreciated. What heavy transformer? Use an audio transformer. Dan, U.S. Air Force, retired |
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