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tca785
I make a galvanisation machine. I use 3 IC TCA785 to control phase for bridge rectifier 6 thyristors. I want halt the machine when overcurrent. The machine will be reset after turn off and adjust volume back to 0 position. could anyone help me the schematic?
Thanks very much!
secundar
I have solved my proplems. But I have another proplem. The output DC voltage of my 3-phase rectifier is not stable. It fluctuate, I used ossiloscope to test the parts. I see interference from synchronous signal. I turn off the transformer, the noise disappear. I think the transformer...
0-15v
Hi mrcube
I am making a six-pulse rectifier with 6 thiristors. The rectifier supply 12VDC-1000A. I use TCA785 of siemens. But in the datasheet, i see GND pin is connect with -15VDC (power supply) and neutral? I think it is wrong. What do you think about that?
Added after 14 minutes...
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