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Hi We have designed our custom board for EVSE three phase meter using MSP430F67791A. When I calibrate its gain, voltage and load current, get a success message and able to calibrate the voltage and current. After that when I try to calibrate its phase angle its value does not change. I get a success message, but the phase angle does not change. I sent an image, please find the attachment.
Let me know what wrong with it? Is there any software IDE bug or method of phase angle correction is not correct.
Here below screenshot shows gain calibration completed and result of gain calibration is successful on actual result also,
Now Below is the screenshot for Phase calibration. It shows success but no effect on final result.
Below is the final result window where no change in phase angle value.
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