Current Technology Surge Protection (TVSS/SPD) Part 1 of 2
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- čas přidán 17. 07. 2011
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Very informative even after so long. Thanks 12years later
I’d take the latter, the SPD with a lower MCOV because it’ll protect the equipment attached and if designed correctly won’t pass any voltage after the MOV “pops”, indicating a replacement is needed. Then all I’ll need to do is replace the SPD and I’m back in business.
Absolutely Brilliant. On the number 2. Thank you.
Informative and well explained video. Thank you very much for making and uploading this, I learned a lot!
Thanks for your easy way to explaination I love that, really enjoyable.
Excellent video.. Thanks... !
Great video, why did the MOV not clamp at 200V though?
great explanation! thanks man!
Excellent video mate, just a few definitions and terms have changed in 2019 but your data still holds. The term TVSS is no longer used instead the industry term now is SPD (Surge Protection Device). Another term misused here is TOV (Transient/temporary overvoltage). The industry uses this term for several microsecond surges now. Anything in the hundreds of milliseconds is now called POV (Permanent overvoltage). I'm sure you know this but I'm posting for the benefit of new viewers.
I'm a little concerned now if they are not up on the current terms. Think I will go ahead and install the Siemens 140 protector.
@@researchcapt Siemens is way over priced, have a look at other brands like Eaton or Citel.
but you hid the most important info. How many amps were following when the MOV failed? Your Part 2 video shows the selenium allowed 39amps, was the MOV by itself lower? I think so! And I'm only addressing Amps here. Noone has bothered to ask why is it taking 220v to see the product working? It ia only suppose to allow 15-20% over 120v and you are showing your product doesn't kick in until approx. 100% over.
I have two Consumer Units in my house connect to the same incoming Power
Meter. One CU is an old one using ELCB as protective device made in
1983 to BS 4293 which always trip when there is heavy lighting strike
during tropical thunderstorm. The other is installed recently protected
by RCCB :BS4293 which does not trip even when the old CU trips. The
Meter is connected to OH Power lines, 240v. I dont have SPD. Any logical explanation? If it is about old ELCB can I change to RCCB same as the new CU. Or can I install an SPD to solve the nusance trippng
good video thanks !
informative. thanks
My input voltage is 24VDC and a surge voltage is +/-250Vdc for 50msec. Can i use a TVS diode for this?
Thanks so much
This video is true because it happened to my band when the stupid custodian plugged us into a 240 volt street lamp and the ETA brand surge protector blew right at 240 volts.
very interesting,
Degradation of MOV effectiveness is the reason why you must periodically purchase a new surge protector strip.
@@sgals3395 Yeah so true. I remember visiting the Empire State Building once and they still live like its the 16th century in there as they're very prone to direct lightning strikes. Poor peeps, I felt so sorry for them.
Not if you spend more and get a series-mode, non-sacrificial, inductance-based surge protector from companies like SurgeX, BrickWall, ZeroSurge or even Audioquest. Those don't use MOVs and they will take repeated, large surges without being damaged or having to be replaced. Now, you'll pay more for those, of course, but as the old saying goes, you get what you pay for.
Sir. What is the name and model of this protector?
TVSS
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