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Old 1st February 2019, 12:13   #256
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Default Re: Which UPS to buy ?

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Servo market is highly unorganized by my experience. There are many local manufacturers showing order copies of major known companies but all hard to believe. Depending on the load, broadly there will be two options, Dry and Oil type and then depending on the winding- Copper or Aluminum prices will vary. Best will be to ask someone some references and then actually verify the same. Most of the food retail outlets like PizzaHut/ Subway/ CCD should have these installed wherever they operated outside of the malls in standalone showrooms. But, do you have so varying voltage that you need the Servo at first place? Like does your A/C does not work in summers? Yoy may need a 3 phase servo depending on the connection you have.
Thanks Turban. I have found this brand called Krykard: http://atandra.in/index.php/servo-st...e-stabilisers/

These guys seem to be big, have multiple service centers across the country (though they dominate the south more), and seem to generally be a more organized set of people to deal with.

The new office we have moved to has a lot of voltage fluctuations. To the point that it trips the online UPS. Then we have an error code which says Input AC voltage Bad. Right now, we have a voltage cut off device, which simply cuts off the power to the UPS if the fluctuation is bad. There after, we have to go do a manual reset - sometimes the UPS powers on and sometimes it does not want to.

UPS technicians who have had a look at the UPS say the UPS seems to work fine. We did a full system reboot recently by disconnecting the entire unit and plugging it back on again (something which hasn't been done for over a year).

We only run our computers and other general electricals through this UPS.
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Old 1st February 2019, 12:23   #257
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Default Re: Which UPS to buy ?

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have multiple service centers across the country (though they dominate the south more)
We only run our computers and other general electricals through this UPS.
Looks organized, take some references and you should be good

For your usage where you are not running Air Conditioners or some heavy load, dry type will be good.
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Old 1st February 2019, 12:24   #258
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Default Re: Which UPS to buy ?

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Looks organized, take some references and you should be good

For your usage where you are not running Air Conditioners or some heavy load, dry type will be good.
Thanks, Yes going with a single phase air cooled unit.

I read one review on Amazon.in and said okay!
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Old 11th February 2019, 21:32   #259
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Default Re: Which UPS to buy ?

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Before scrapping these expensive batteries do check if they pass the Sp. Gr and load tests.
Got one of the two batteries charged at another shop. No change :(

Looks like battery replacement is required.

Trying to figure out which one to go for. Only batteries ? or UPS/Invertor too ?
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Old 11th February 2019, 23:23   #260
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Default Re: Which UPS to buy ?

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Got one of the two batteries charged at another shop. No change :(
Battery is at EOL (End Of Life), better to replace the batteries in pairs rather than singly.

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Trying to figure out which one to go for. Only batteries ? or UPS/Invertor too ?
Exide makes the best inverter batteries. No matter their questionable rep in automobile batteries their inverter batteries are a cut above the rest. I speak from personal experience.

My Exide Invatubular 200 AH batteries will complete 6 years in Apr 2019 and are still going strong (touch wood). Prior to this we had a Exide 150 AH battery and it worked without a single hiccup for years. I would stick to Exide.

As for the inverter get it checked before considering a replacement. They are not expensive to repair.

The thing is, an inverter system is like a chain..only as good as its weakest link.
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Old 12th February 2019, 08:12   #261
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Default Re: Which UPS to buy ?

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Battery is at EOL (End Of Life), better to replace the batteries in pairs rather than singly.
Thanks, @R2D2. The idea was to 1 new over 2 old for the immediate replacement. Then add the 2nd one battery.

(Got only one old battery charged this time more as test - and also not having to move these 2 heavy units, in case recharghing does not work. And that is what has happened)


Our Invertor is an old one, and the guy who supplied it has not shown much interest in supporting the unit of late. Hence was thinking of Luminous, as it is looks like having a decent network.

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Old 12th February 2019, 09:34   #262
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Default Re: Which UPS to buy ?

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Thanks, @R2D2. The idea was to 1 new over 2 old for the immediate replacement. Then add the 2nd one battery.

(Got only one old battery charged this time more as test - and also not having to move these 2 heavy units, in case recharghing does not work. And that is what has happened)
Depending on the size/capacity you can start off with replacing just one to get the system functional but ideally, it would be best if you replaced all batteries as, all things being equal, multiple batteries in one system age more or less equally with use.

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Our Invertor is an old one, and the guy who supplied it has not shown much interest in supporting the unit of late. Hence was thinking of Luminous, as it is looks like having a decent network.
All brands of inverters are similar. You will find both bouquets and brickbats related to each brand. But yep, Luminous is one of the good ones.

I too was angling to upgrading my inverter from 1.5 to 2 KVA but held back since power failures have been at their lowest since the past few years.

Given that the public in MH, except Mumbai, is ripped off and pay between Rs 9-10/unit in the power consumption slab I fall in (approx. 300-400 units/month without AC) good power supply is now a requirement. Luckily MSEB is delivering for the most part at least in the locality of Pune city that I reside in.

Last edited by R2D2 : 12th February 2019 at 09:35.
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Old 13th February 2019, 21:23   #263
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Default Re: Which UPS to buy ?

I guess for a 300 - 400 unit consumption per month, considering solar is worth the time spent on research. Of course, possible only if you live in an Independent house.



Guess a 4 kva set up will be sufficient. (We have a thread on solar power). Your pocker will be lighter by around ₹ 3-4 lakh including batteries.



For the record, in Kochi, APC and Luminous UPSes are handled by same dealer. Looking at other dealers, one difficulty I face is people trying to palm off assembled units.
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