Switchgear & Protection QA
Operation of Attracted Armature Type Relay: The coil is energized by the actua…
Read more
Switchgear & Protection QA
Over Heating Protection Scheme of 3 Phase Transformer: Figure shows overheatin…
Read more
Switchgear & Protection QA
Negative Phase Sequence Protection: Because of unbalance load, negative phase s…
Read more
Switchgear & Protection QA
Secondary of a CT should not be Open Circuited: If secondary of CT is open cir…
Read more
Switchgear & Protection QA
Restricted Earth Fault Protection Scheme for Transformer:
Read more
Switchgear & Protection QA
Electro mechanical Relay 1. Its accuracy is very high. 2. Power consumption is …
Read more
Switchgear & Protection QA
Induction Type Reverse Power Relay: Figure shows the induction type directional…
Read more
Switchgear & Protection QA
Watt-Hour Meter Structure of Induction Type Relay: The general arrangement of…
Read more
Switchgear & Protection QA
Principle of Operation and Working of Induction Type Overcurrent Relay: Figure…
Read more
Switchgear & Protection QA
Methods for Arc Extinction: There are two methods of arc extinction: i) High r…
Read more
Switchgear & Protection QA
Construction of HRC fuse: HRC fuse mainly consists of heat resisting ceramic bo…
Read more
Switchgear & Protection QA
Under normal conditions, the sum of the currents entering the bus bar zone is e…
Read more
Switchgear & Protection QA
Single Phasing of 3Ï• I.M : When one of the supply lines of the three phase supp…
Read more
Switchgear & Protection QA
Time Graded Over Current Protection for Ring Main System of Bus Bar: The ring …
Read more
Switchgear & Protection QA
Thyrite Type Lightning Arrestor : When the line voltage is normal, the air gap…
Read more
Switchgear & Protection QA
Merz Price Protection of Alternator:
Read more
Switchgear & Protection QA
Circuit breaker 1. 2. Operated ON load /on occurrence of fault. 3. Heavy cur…
Read more
Switchgear & Protection QA
Arcing Phenomenon in Circuit Breaker: When a fault occurs, a large current flow…
Read more
Switchgear & Protection QA
Difficulties Experienced in Differential Relay in Alternator Protection: 1. The…
Read more
Switchgear & Protection QA
MCB may or may not operate on earth fault here is the explanation: i) MCB is …
Read more
In the following application motor M1 starts as soon as start push button …
Mechanics of materials (2015303) previous year question bank as per SbTE…
Function of CPU: CPU or the central processing unit is the main part of …
Social Plugin