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PowerTag A9MEM1521/22 measurements

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sesa453448_brid
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‎2020-07-21 05:29 PM
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‎2020-07-21 05:29 PM

PowerTag A9MEM1521/22 measurements

Hi Guys,

 

I can't find information about the measurement capabilities of the N-Terminal of PowerTag A9MEM1521/22, are the same as the phase-Terminal?. We're planning to use these PowerTag references for a 2-phase system, any other ideas? is better to use 2 A9MEM1520 instead?

 

Thanks!!! 🙂

 

 

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Romain_Polette
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‎2020-07-21 11:14 PM
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‎2020-07-21 11:14 PM

Re: PowerTag A9MEM1521/22 measurements

Hello @sesa453448_brid , 

 

Can you precise your architecture ?
N Terminal for any PowerTag Sensor has no CT. It is only used as a Voltage Reference so you cannot monitor any current on the Neutral.

If I understand your system will be : N, L1, L2 (No L3 ?). If you plan to use A9MEM1521/22 => it means that you have Acti 9 MCB. Can you give me the commercial ref of the breakers ?

Depending on your answer I may suggest you some configuration.


Thanks.

Romain POLETTE - Global Expert Technical Support - Digital Power Division
38EQI - Eybens - France

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Romain_Polette
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‎2020-07-21 11:14 PM
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‎2020-07-21 11:14 PM

Re: PowerTag A9MEM1521/22 measurements

Hello @sesa453448_brid , 

 

Can you precise your architecture ?
N Terminal for any PowerTag Sensor has no CT. It is only used as a Voltage Reference so you cannot monitor any current on the Neutral.

If I understand your system will be : N, L1, L2 (No L3 ?). If you plan to use A9MEM1521/22 => it means that you have Acti 9 MCB. Can you give me the commercial ref of the breakers ?

Depending on your answer I may suggest you some configuration.


Thanks.

Romain POLETTE - Global Expert Technical Support - Digital Power Division
38EQI - Eybens - France

See Answer In Context

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marco_arias_ssm
marco_arias_ssm
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‎2020-09-21 06:43 PM
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‎2020-09-21 06:43 PM

Re: PowerTag A9MEM1521/22 measurements

Hello Romain

I want to conect A9MEM1570 in L1-L2-L3 system (No N). Will be any problem if i no conect the N terminal of powertag?

 

Regards

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Romain_Polette
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‎2020-09-22 10:27 PM
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‎2020-09-22 10:27 PM

Re: PowerTag A9MEM1521/22 measurements

Hello @marco_arias_ssm , 

 

If you have a 3ph system without Neutral : it is more recommended to connect a A9MEM1573.

 

If you use the A9MEM1570 and if your system is balanced : your measurement precision will not be affected. But.... what are you going to do with the N pin of the PowerTag 1570 ?

 

Keep in mind that 1570 is dedicated for 3P+N unbalanced system. Neutral will improve the precision of the Power measurement.

 

Regards.

Romain POLETTE - Global Expert Technical Support - Digital Power Division
38EQI - Eybens - France
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marco_arias_ssm
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‎2020-09-23 05:39 PM
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‎2020-09-23 05:39 PM

Re: PowerTag A9MEM1521/22 measurements

Thanks Romain

I ask about the A9MEM1575 reference. I only see the A9MEM1570 in stock.

 

Regards

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Romain_Polette
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‎2020-09-23 10:04 PM
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‎2020-09-23 10:04 PM

Re: PowerTag A9MEM1521/22 measurements

Hello @marco_arias_ssm , 

 

A9MEM1575 does not exists. I mentioned A9MEM1573 in my previous comment.

 

Please refer to the selection guilde.

Regards.

Romain POLETTE - Global Expert Technical Support - Digital Power Division
38EQI - Eybens - France
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