Introduction to Disconnector or Isolator | Video #5

This video explains the purpose of Disconnector or Isolator in a substation! Watch this short but informative video to know briefly about Disconnector or Isolator.
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Created By : Gaurav J

#Disconnector #Isolator #Substation

[balajiprithviraj]

Sir 3d animations r good and visuals also, putting hardwork thanku sir

[SumitKumar-pfgr]

When Isolator operates or Open on On load, it causes high amount of spark which may cause damage to it parts. Absence of Arc quenching medium unable to extinguish/interrupt the arc while operate on load condition. Hence ensure to operate on No load ensuring CB Open. However, Isolator can interrupt of small amount of inductive/capacitive currents to acceptable design limit corresponds to type and voltage class.

[baqarengr]

Doing great job about power system thanks alot sir

[AnilKumar.g]

Do you in the session of last question answer is
The system will get damaged and interrable

[bilalkakar]

You are doing a great job Sir. I am preperaing for job interview. I have a question regarding the primary and secondary winding configuration for power transformer used in Step up Substation and step down Substation? Thanks in advance. I have a rough idea, delta-star in step-up and star-delta in step-down.

[chinnakarlapraveen]

If isolator is operated under on load, it produces heavy spark. Am I right sir

[rohiths]

Earth switch is not used for line only .Earth switch is installed in the two ISOLATOR between Breaker and toward breaker side of both isolator

[sachinkharat]

If you open (turn off) a non-load break rated disconnect under load, it may get sparky, smoky, or worse.

[jijovarghese]

If we operates isolators while on load then heavy spark will occur and can cause problem for the operators and other devices due to switching without arc quenching medium.

[donberg]

Why designate phases R-Y-B? Is this a IEC reference? In North America it is labeled phase A-B-C?

[youssofasiry]

Arcing will occur and may damage the contacts of discconector.

[joshualynch]

I wish you’d put closed caption on this video!

[nigamsingh]

Earth switch operation after opening of Dis-connector switch

[prameelaejju]

What happen if we open the disconnect when the current is passing in the line

[balajiprithviraj]

Sir 3d animations r good and visuals also, putting hardwork thanku sir