Interested to Buy Any Domain ? << Click Here >> for more details...
when we are going to higher voltage level in substations why
we are using Sf6 circuit breakers instead of Vacuum circuit
breakers.
- 3 Answers
- 5864 Views
- I also Faced
- E-Mail Answers
Answer Posted / shanmugam.s
It is a better Arc quenching medium, So when the voltage
level raises we go for SF6 breakers instead of Vacuum
Circuit breakers.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How LT megger works ?
how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???
Why we are going for converter transformers for DC drives application instead of distribution transformer?
What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.
Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!
why the NGR (neutral grounding resistor) always OFF during DG off?
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem
How does the phase sequence controller works, how it identifies the phases? confirm working principle
why starting current is high and resistance is almost 0 during the starting of motor dc motor...?
Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.
how to select the double earth conductor if 21A full load?
what is the advantages og idmt relay over magnetic relay??
What is milivolt dop test in Busducts? What is its significance & procedure to do the test?
Draw transformer phasor diagram.(full load,no load)
