2 lines
443 B
Plaintext
2 lines
443 B
Plaintext
When power supply is replaced with a single isolated DC power supply, it was found that first prototype has lesser cost (cost details are included in Q7 excel sheet).
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In place of inverting circuit , we can also use one switch controlled by the output voltage of the sensor, but again we need to connect switching and commutation circuit for the switch and we have to give 230 V AC to the fans. that will increase the complexity of the circuit. |