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design wire insulation tester

HI

Requires design insolation tester ( megger) of 500v to automatedly test cable with 16 wires.

** please see the attached block diagram

Develop the tester ( like megger tester ) with ORCAD ( HW diagram), with all the components that can be found in digikey/mouser.

Discretion:

1. 16 wire are connected to the tester board.

2. Your insolation design controlled by microchip pic 33 (MCU).

3. It required to control by the MCU :

a. Which wire to test

b. Volts to test ( 30-500 V).

c. MCU shpuld read the insolation Results in volts to calculate (Mohms resistance).

(High voltage protection- for the MCU - is needed in case of shortcuts between the

wires.)

** using multiplexer if preferred ( if not possible to test with 500V , I can consider testing up to 250V )

you supply all the source files.

Thanks

Skills: Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout

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