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Directional over current Protection | self polarized directional over current protection 

Barani Tech
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23 окт 2024

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Комментарии : 36   
@sarojiniperumalla
@sarojiniperumalla 3 года назад
Excellent information sir, thnq very much
@baranitech1026
@baranitech1026 3 года назад
welcome
@elasriyassine
@elasriyassine 3 года назад
You are the best bro
@baranitech1026
@baranitech1026 3 года назад
thank you bro
@By-ss4ss
@By-ss4ss 2 года назад
Thank you
@baranitech1026
@baranitech1026 2 года назад
You're welcome
@hardness51
@hardness51 Год назад
very well explained!!
@baranitech1026
@baranitech1026 Год назад
thank you and welcome
@ghulamdestghir1663
@ghulamdestghir1663 3 года назад
yours vector directions is anti clock(R-Y-B)but you put RCA vector in clock? is it OK
@baranitech1026
@baranitech1026 3 года назад
all should be in clock wise RYB( 0-240-120)
@electricaltech4u45
@electricaltech4u45 3 года назад
But if fault current didn't stable or continuesly increase decrease so what will be happen.
@baranitech1026
@baranitech1026 3 года назад
once if the increase and decrease is above pickup value. then i will operated on fixed time. if its decrease below the pickup current then the operating time will get reset
@electricaltech4u45
@electricaltech4u45 3 года назад
@@baranitech1026 thanks 😊
@sanjayakumarpatel775
@sanjayakumarpatel775 3 года назад
Thank you for the knowledge sharing Sir.Excellent videos. Sir kindly share the testing procedure of motor protection relay like Micom 242, ABB REM 615, SEL 710.
@baranitech1026
@baranitech1026 3 года назад
i will try to make for you.
@sanjayakumarpatel775
@sanjayakumarpatel775 3 года назад
Thank you Sir
@marudavanansomasundaram8094
@marudavanansomasundaram8094 3 года назад
Can we say fault angle depends on where we place the CT in conducting line? Which means fault occur before CT is reverse and fault beyond CT and on the Conducting line is forward? What could be the standard angle variation for a fault in line side? Can I get some clarity sir
@baranitech1026
@baranitech1026 3 года назад
according to your ct connection is correct. and for fault angle is depends on impedance of the fault.
@marudavanansomasundaram8094
@marudavanansomasundaram8094 3 года назад
@@baranitech1026 ok sir I thought so. I saw in some documents it depends on the load type. Ex. If the line is resistive load the angle set will be in approx 45deg. Also for inductive and capacitive load the angle recommended will be different. Can I get some note or documents on this.
@HR-rp8pc
@HR-rp8pc 3 года назад
Thanks sir
@baranitech1026
@baranitech1026 3 года назад
welcome
@soumya2221
@soumya2221 3 года назад
Sir is it possible any real scenario that current pick up value is greater than psm though it is not in operating region.. When it is possible ??
@baranitech1026
@baranitech1026 3 года назад
it will not give trip
@gunpowder98
@gunpowder98 Год назад
why did you consider RCA as 55 degree?
@baranitech1026
@baranitech1026 Год назад
taken random
@MohanRaj-hp2vo
@MohanRaj-hp2vo 3 года назад
Explain how to use test block for relay testing sir
@baranitech1026
@baranitech1026 3 года назад
yes i will explain in future video
@saimdvl2569
@saimdvl2569 3 года назад
Sir in 7ut6331 relay how to read the base point 1 and 2 in that i read it is it fixed values please solve me sir
@baranitech1026
@baranitech1026 3 года назад
i also don't know but i will try to find
@saimdvl2569
@saimdvl2569 3 года назад
@@baranitech1026 sir my mail iid is saimdvl2@gmail.com If you have 7ut6331-6eb921ab0 settings file kindly once forward me sir
@ciroamirante262
@ciroamirante262 2 года назад
If we have a fault on phase R and Vr goes to zero can the relay to calculate the shift angle between Ir and Vr?
@baranitech1026
@baranitech1026 Год назад
this case self polarization is very difficult to operated.
@ganeshachally4881
@ganeshachally4881 3 года назад
Sir please can you share the cross polarization method please
@baranitech1026
@baranitech1026 3 года назад
i will make soon
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