Interested to Buy Any Domain ? << Click Here >> for more details...
sigal phase supply is 230 v ac
two phase supply is 415 v ac
why three phase supply is 415 v ac why not 690 v ac
- 4 Answers
- 9341 Views
- I also Faced
- E-Mail Answers
Answer Posted / arvind
its a very good question, see what we r measuring is phase
to phase voltage, in case of 3phase system,that means
beetween two phase is simple because we have two points of
voltmeter to measure the voltage.
| Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
What is difference between Sample test and Routine test in safety standard?
why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?
what is the reactive power what is the use of it in system
1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?
What is cathode ray oscilloscope (cro)?
plz tel me syllabus and exam date 4 jr executive engg (electrical)
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?
we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
what is meant by tranformer impedance?
Swg formulae
how to calculate earth fault relay current and CBCT ratio
1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?
