Dear sir.. I could not see any of your latest video uploads for long time.. have you stopped making videos? Your teaching videos are great source of knowledge and the way you explain is so easy to understand. you have covered generator protection so well.. could you pls make another series on relay coordination pls.. or may be other electrical protections.. or equipment sizing calculations etc. Thanks for sharing your knowledge and i request you to pls share more.
Sir, very worthfull topic you have covered, well represented. Thank you for all those you have delevered and for which you have not yet delevered. I have one request please consider a topic about "Pole slip or Out of Step protection" and make a video for us.🙏thank you.
Sir, the way you explained the dead machine protection is very beautiful. I have just one doubt; as you said that this protection is blocked to avoid breaking of huge fault currents during start up when machine synchronized with grid accidentally although there was 180 deg phase difference , but we allow them to flow through the generator then that fault current will not damage the generator? Please correct me.
Sir, How to save the generator when the load angle is 180( there is no u/V, and no u/F) and somebody has closed the, breaker, according to the logic there will no trip,
Why blocking is required? Practically on running condition when undervoltage is occurred then the breaker will trip by the function and same is applicable for overcurrent function. So why blocking is required??
I hv explained the cb control accidental energization protection, here cb feedback is used to block the protection in a special case when following conditions arise: 1. There is no under freq 2. Excitation is on 3. Phase difference of voltages at both ends of cb voltage is max i.e 180 deg 4. Cb gets accidentally closed In the above special case exc off is first priority & gen tripping may extend after fcb trip to safeguard cb. During normal operation of gen this protection remains deactivated. It is only useful during dead or start/shut.
Sir 180 degree out phase condition if suppose protection was block as per your video breaker will safe but generator will damage due to high currents .how to save generator sir iam nt clear that
Arnab Das The underfreq condition is taken for an exceptional case, during start up or shut down with EXCITATION of gen if gen gets connected with power system
rajesh kumar In one and half switchyard scheme, generally each dia comprises of three breakers: 1.GT main breaker 2. GT tie breaker 3. Line breaker or interconnection brkr For isolation of GT both 1&2 are required to be isolated For isolation of line both 2&3 are required to be isolated
Dear sir.. I could not see any of your latest video uploads for long time.. have you stopped making videos? Your teaching videos are great source of knowledge and the way you explain is so easy to understand. you have covered generator protection so well.. could you pls make another series on relay coordination pls.. or may be other electrical protections.. or equipment sizing calculations etc. Thanks for sharing your knowledge and i request you to pls share more.
Dear Sir, Superb concept explanation in video
Thank you 🙌
Sir, very worthfull topic you have covered, well represented. Thank you for all those you have delevered and for which you have not yet delevered.
I have one request please consider a topic about "Pole slip or Out of Step protection" and make a video for us.🙏thank you.
Sir please don't stop making new videos. We can't be more clear by watching any other video
Superb explanations sir.
Sir, the way you explained the dead machine protection is very beautiful. I have just one doubt; as you said that this protection is blocked to avoid breaking of huge fault currents during start up when machine synchronized with grid accidentally although there was 180 deg phase difference , but we allow them to flow through the generator then that fault current will not damage the generator? Please correct me.
Request to do a series on transformer protection
Eagerly waiting for rotor earth fault control circuit explanation sir
Dear sir please make some more video on generator protection and transformer protection
Sir upload some more videos we are eagarly waiting
Sir provide Rotor earth fault protection.
Sir, How to save the generator when the load angle is 180( there is no u/V, and no u/F) and somebody has closed the, breaker, according to the logic there will no trip,
Thanks Sir 🙏🙏🙏🙏🙏🙏
Why blocking is required? Practically on running condition when undervoltage is occurred then the breaker will trip by the function and same is applicable for overcurrent function. So why blocking is required??
I hv explained the cb control accidental energization protection, here cb feedback is used to block the protection in a special case when following conditions arise:
1. There is no under freq
2. Excitation is on
3. Phase difference of voltages at both ends of cb voltage is max i.e 180 deg
4. Cb gets accidentally closed
In the above special case exc off is first priority & gen tripping may extend after fcb trip to safeguard cb.
During normal operation of gen this protection remains deactivated.
It is only useful during dead or start/shut.
Sir, plz upload, some new videos, Pole slipping protection of Generator,,
Sir 180 degree out phase condition if suppose protection was block as per your video breaker will safe but generator will damage due to high currents .how to save generator sir iam nt clear that
👍👍👍👍
Sir what is droop
And how many generator protections are there
can you disscuss about bus bar protection
Sir kindly make video on BTS
Sir please upload rotor earth fault protection video.
Is this protection the same as Reverse Power protection?
@@officialbarida No, it is for machine under shutdown condition only
@@electrocean6684 ok thank you. I have seen the video on Reverse Power protection.
@@electrocean6684 ok thank you. I have seen the video on Reverse Power protection.
Pls upload AVR lamp test method...
Sir please explain about Power system stability and computer representation diagram
How under frequency occure during closing of gcb or UT breaker ? Please explain.
Arnab Das
The underfreq condition is taken for an exceptional case, during start up or shut down with EXCITATION of gen if gen gets connected with power system
means of loss of field in dg (1250 kva) Jackson
sir plz hindi me bhi vid bnaiye
Sir what is tie breaker
rajesh kumar In one and half switchyard scheme, generally each dia comprises of three breakers:
1.GT main breaker
2. GT tie breaker
3. Line breaker or interconnection brkr
For isolation of GT both 1&2 are required to be isolated
For isolation of line both 2&3 are required to be isolated
Sir unit t/f is for only auxiliary load why should you connect with substation t/f.already GT has connected to ST