Nameplate Details of Current Transformer | Explained | TheElectricalGuy

In this video, we'll understand the Nameplate details of Current transformer (CT). Understand about 15+ parameters that you can know from the nameplate of a current transformer.
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[@ratnesh12100]

Very nice video sir..
Please continue making videos electrical power system ..

[@rockysubu8384]

EXPLAINED NICELY. THANKS SIR

[@rameshtripathy5978]

Nice explanation & Very useful too !

[@NH-hf8yp]

Good information and easy to follow thanks.

[@alamzeb6342]

Awesome drop dear, really great work, keep doing it.

[@chandrashekharratnakarjosh8500]

Hon.Admirable explanation.

[@eugeneleroux1842]

Thank you, this was great.

[@GauravJ]

Glad it helped 😇 do share the video 👍🏻

[@sohrabalmajose4082]

Thank you

[@saurabhchavan7837]

Thank you sir.
It's very helpful. I request you, can you please make such a like video based on IEEE /ANSI standard for CT & VT.
Their is no one who explains for thease standards. I hope you will do.

[@anisurrahman3941]

Thanks Sir, I am from bangladesh.

[@GauravJ]

You are most welcome

[@shantanumajhi5408]

Very Helpful🙏

[@GauravJ]

Do share and subscribe to my channel 😇🤘🏻

[@shantanumajhi5408]

Subscribed a few months ago😊

[@mdmofizolhaque9361]

Great ❤❤

[@mituparmar435]

Can I get a equation of how to find knee point and isf

[@patakotisrinivas1918]

Thanks for sharing such a useful video...

[@ranjansahu2362]

Nicely explanation sir... But still some doubts are there...
1. Breaking capacity of CT and why is its necessary
2. Why burden is not mentioned in other core though we use relay and wires n cable for protection also
3. why knee point is voltage is needed.
4. Why is ct saturation it's effect
Thank you sir

[@GauravJ]

Hi.
1. Breaking capacity is not applicable for CT. CT is a non switching device.
2. Performance of protection core is not affected by the burden. And hence, it is not important for protection core.
3. Knee point voltage is required to push the current in case of differential protection.
4. I did not get your 4th point. Can you elaborate ?

[@surendrakverma555]

Very good

[@pietervdberg7055]

Hi sir very clear explanation. Easy to follow and understand. However, at 8:55 to 9:30 of the video the explanation in words of ALF is clear but the text is confusing. CT with accuracy class of 5P10 means error of 5% and ALF of 10. This means CT has 5% error (95% accuracy) for up to 10 times primary current. ALF is specified after P. i.e. P10 or P20.

[@vikashnishad9211]

nice teaching

[@pietervdberg7055]

Can you please explain the difference between say 0.2 and 0.2S accuracy class for metering cores in CT. You mentioned that 0.2S has higher accuracy but how. What does S stand for and where is it used. Thank you.

[@ZYXYZLF]

Same confusion here 😕

[@AR...........]

Sir please Making Video Gas Insulated Switchgear Related Topic..
I Hope sir you have Making these Video..

[@GauravJ]

Sure. Will try ✌🏻

[@sudheersubairkutty1633]

Good presentation and great work, Please make a presentation on Ferro resonance and Ferranti effect. Appreciate your early response, Thanks

[@GauravJ]

Thanks ✌🏻 sure. Will try to post videos on the suggested topics 👍🏻

[@sudheersubairkutty1633]

Thank you

[@JokerJoker-tm8rh]

Please explain about knee voltage properly

[@sudheersubairkutty1633]

Hi, Please note that the ISF definition is during fault on primary side, the secondary side of CT is allowed to flow only up to 5 times, after that if the primary current increases the secondary current will not increase more than 5 times since the core of the CT will be saturated. (Std values are FS 5 & FS 10 as reference to IEC-61869-2)

[@panditvishal5451]

sir very very nicee explanation in this video about ct..but still doubt about class and kneepoint voltage please make another deep explanation of class thnx

[@ajelectricallearning7165]

Thanks 😊🙏

[@balramhansraj886]

Sir what is the full form of PS which is use in Differential core

[@vijaychouhan8180]

Very good video but it's not useable for Hindi medium...sir please make both languages

[@syed_taha_ahmed]

What about matching factor.
I didn't get one thing. Differential relays are connected to protection cores then why they don't have burden voltage.
And what about the high inrush current effects on CTs.

[@ankurgoyal86]

I have gone through substation related videos, they are very informative. Can you make few videos on power test for HV breakers

[@GauravJ]

Sure 😊

[@mdasf]

Explain about star point of ct and pt

[@anjalidubey2915]

Gud q

[@ramkumaradd]

What is Thermal Rating Factor(TRF) of CT?

[@rajvaghadiya8814]

What is ferro resonance

[@mylifestyle1960]

Hi just a question about the burden? i have a Ct wired for O/C protection, but am planning to use it also as back up metering and planning to wire in the existing Power quality meter (wired in series to the Overcurrent protection, as the back up metering) So in short the CT secondary will be used as Protection and metering purpose while waiting to the ordered Metering CT. Do you think burden will become high? do you thinkl it will affect the Overcurrent protection in doing it job?

[@tusharmali2731]

It won't be a problem for OC Relay, but metered values will have slightly more errors as you are using protection ct for metering purpose. Watch this video to know more: ruclips.net/video/VSwLHAZLj6Y/видео.html

[@pietervdberg7055]

It is important to watch video in the attached link explaining differences between metering cores and protection cores. Metering cores are only for metering driving instruments such as Ammeters and energy meters. They are accurate up to 120% - 125% of full load current. For much higher currents (fault currents) the core will saturate at above knee point voltage and will no longer have the required accuracy.
Protection cores are only for protection equipment giving inputs to protection relays. They are accurate from 120% - 125% of full load current (usually the pickup current of the relay) and higher up to 20 - 50 times full load current because this is the range where protection must work at its best.
It is good for metering cores to saturate in fault current range as its output will not increase much and this will protect metering instruments from damage due to high currents.
All in all do not use protection cores for driving metering instruments or metering cores for input to protection relays. Your metering instrument will be damaged and protection will not work accurately or not work at all.

[@bharathi6898]

I expected... Why excitation current mentioned in Vk/2...

[@ramamoorthim2983]

Do you know about sas engineering

[@GauravJ]

No.

[@phasorsystems6873]

Build your electrical circuits on the go! Locate circuit solver on the playstore!

[@mukeshathya524]

हिन्दी मे समझाते तो ज्यादा बेहतर होता