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ION7650 & PM8240 Voltage Harmonic question

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gibson_huang_ep
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Posted: ‎2018-09-07 06:03 PM . Last Modified: ‎2020-12-02 03:31 AM

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‎2018-09-07 06:03 PM

ION7650 & PM8240 Voltage Harmonic question

Under what conditions, the voltage 5th harmonic will increase to 300%

THDV1.jpgTHDV2.jpgTHDV.jpgTHDV_ION7650.jpg

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Ken_Hsu
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Posted: ‎2018-09-09 08:43 PM

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‎2018-09-09 08:43 PM

Hi Gibson,

For the first 3 screenshots, the y-axis is in magnitude Volts, not % of nominal. The H5 is shown around 250~300V. If the fundamental frequency voltage is 22.8kV, then a THDv of 1~2% makes sense.

As for the 4th screenshot, I suspect it is the same issue. Is it a custom screen in PSO? We would need to verify the measurement sources.

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Ken_Hsu
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Posted: ‎2018-09-09 08:43 PM

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‎2018-09-09 08:43 PM

Hi Gibson,

For the first 3 screenshots, the y-axis is in magnitude Volts, not % of nominal. The H5 is shown around 250~300V. If the fundamental frequency voltage is 22.8kV, then a THDv of 1~2% makes sense.

As for the 4th screenshot, I suspect it is the same issue. Is it a custom screen in PSO? We would need to verify the measurement sources.

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mahesha
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Posted: ‎2024-11-15 04:29 AM

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‎2024-11-15 04:29 AM

Hello Schneider team, 

One of client is asking voltage harmonic (%THDv) for ATV930 drives. where could i get..

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Charles_Murison
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Posted: ‎2024-11-15 08:54 AM

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‎2024-11-15 08:54 AM

Hello @mahesha ,

I suggest you ask this question in the forum https://community.se.com/t5/Solutions-for-Motor-Management/bd-p/solutions-motor-management

Regards,

Charles

L4 Prime for Advanced metering and Utilities
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