1. Why transfomer reting in KVA and Motor in HP
Answer Posted / venkat boyi
The rating of any electrical device is based on losses
developed in the machine.In Transformer the losses depends
up on only Voltage and current but not on PF, hence the
rating of it is in KVA. In motor the output is mechanical
and mechanical load represented by HP in Watts
| Is This Answer Correct ? | 44 Yes | 2 No |
Post New Answer View All Answers
how to identify conection leads of an unknown electric motor
As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks
What is synchro?
what is the meaning of impedance protected in instrument cooling fan
Why do we need interlocking in a HT metering or Ring main unit switchgear?
What is sensitivity of a measurement?
what is the use of current transformer in power transformer secondary side.?its connectyed in WTI
What current flows in the transformer primary when its secondary is open?
What is the necessary condition for stability.
Name one of major transformer company in KSA ?
Is Transol transformer oil comparable to nynas nytro libra?
what are carbondioxide and dcp used in fire extinguishers