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Stepped Sine Wave and Stepped approximation to a sinewave

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

Stepped Sine Wave and Stepped approximation to a sinewave

whats the difference b/w Stepped Sine Wave* & Stepped approximation to a sinewave* ?

the product documentation of back-ups RS series says on-battery waveshape is stepped sine wave

http://www.apcmedia.com/salestools/ASTE-6Z7V4E_R1_EN.pdf

the BACK-UPS ES mentions the Waveform Type is Stepped approximation to a sinewave

http://www.apc.com/resource/include/techspec_index.cfm?base_sku=BE650Y-IN&tab=compare

on the prodcut comparision page the Waveform Type for ES is "Stepped approximation to a sinewave" but RS has none, so is it something RS series is not equiped?

any details on the same would be greatly appreciated.

Message was edited by: brethart

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Anonymous user
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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

JonPro you're really great, thank you so much for the clarification.

when i called up the local customer support they said its output is around 8-12A, I asked him if he was joking, he said he's from the IT department (it means they have absolutely no clue about technical stuff), said he would reconfirm again from the engineers which he did after putting me on hold for almost 15mis, this time he was slightly closer, reduced it to 2.5A. realizing my mistake I politely hung the phone.

This is the kind of service we get here in India. It costs almost the same here as in US but we don’t get the same service.

you are right about the connectors it's similar to the NEMA standards you have over there, now i understand its the connector rating.

thanks.Vivek

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BillP
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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

Vivek,

It's good to hear that we've answered your concern on this thread.

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

whats the difference b/w Stepped Sine Wave* & Stepped approximation to a sinewave* ?

the product documentation of back-ups RS series says on-battery waveshape is stepped sine wave

http://www.apcmedia.com/salestools/ASTE-6Z7V4E_R1_EN.pdf

the BACK-UPS ES mentions the Waveform Type is Stepped approximation to a sinewave

http://www.apc.com/resource/include/techspec_index.cfm?base_sku=BE650Y-IN&tab=compare

on the prodcut comparision page the Waveform Type for ES is "Stepped approximation to a sinewave" but RS has none, so is it something RS series is not equiped?

any details on the same would be greatly appreciated.

Message was edited by: brethart

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BillP
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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:30 AM

Hello Brethart,

Here is what I got regarding the BR800-IN. The product is divided into two kinds of outlets it does have the Battery Backup and Surge Side and Surge Only side. These two kind of outlets do have a maximum amperage that you can pull.

* Surge Only Outlet (1) - this single outlet can provide a maximum of 2.5A.
* Battery Backup and Surge only outlets (4) - the maximum combined amperage that these outlets can provide is 3.5A

With regards to the 6A that you see on the technical specifications of the UPS. It means that you need to provide an outlet with this specification - India 3-pin 6A and you can connect an equipment into this UPS that is using this kind of plug - India 2/3-pin 6A. It's like the NEMA standard that we are following here in the US. Our Back-UPS product line requires our customer to use a NEMA 5-15R.

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

Hello Brethart,

Just like what Rau said, the stepped sinewave and stepped approximation to a sine wave are the same. These kind of waveforms can be seen on all of our Back-UPS family lines whenever they are On Battery. What does that mean? It means that when you are receiving good input power and frequency from the power source, the UPS will not do anything to correct it. Once the UPS detected that there was a power disturbance such as blackout, frequency change, under/over voltage it will then use it's battery to provide clean power. The moment it switches to battery power then that's when it will produce the step sine wave.

Please feel free to read the following knowledge bases that we have.
* [True RMS Voltmeter required to read stepped approximate sine wave|http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=1493&p_created=1010390400&p...]
* [The use of non computer type loads with a UPS in the Back-UPS line|http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=1356&p_created=1010390400&p...]

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

thank you for the clarification Rau & JonPro,

i knew they both mean the same but i was curious to know why they had mentioned this only for ES series in the product comparison page and not for RS series. i did a further research and found both used different terms in product documentation, also i read few posts which suggested that ES series is recommended for imacs which led me to believe they were different.

i was very confused, APC should rectify these misleading information.

JonPro i did appreciate if you could give me the exact ampere rating of this product Back-UPS RS 800 230V. 'coz the manual says its 3.5A max and the website mentions the output as 6A. http://www.apc.com/resource/include/techspec_index.cfm?base_sku=BR800-IN

which is right?

sorry if this is a wrong thread to post in, though i have already received a reply from Raur regarding its technical use, i wanted the exact specification of my model, and is each connectors allow the specified output or is it overall output of the equipment.

thank you in advance.

Vivek

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

There's a bunch of other names for this type of wave like squared wave, rectangular wave, simulated wave... they're all the same. The person or people who take care of the APC website must have wrote it at diferent times and diferent people sometime tend to use diferent terms.

The 3.5A is the correct one since according to the basic Ohms law:

230V x 3,5A = basically 805VA

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Posted: ‎2021-06-29 01:11 AM . Last Modified: ‎2024-03-22 03:29 AM

JonPro you're really great, thank you so much for the clarification.

when i called up the local customer support they said its output is around 8-12A, I asked him if he was joking, he said he's from the IT department (it means they have absolutely no clue about technical stuff), said he would reconfirm again from the engineers which he did after putting me on hold for almost 15mis, this time he was slightly closer, reduced it to 2.5A. realizing my mistake I politely hung the phone.

This is the kind of service we get here in India. It costs almost the same here as in US but we don’t get the same service.

you are right about the connectors it's similar to the NEMA standards you have over there, now i understand its the connector rating.

thanks.Vivek

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