Interested to Buy Any Domain ? << Click Here >> for more details...
what is difference between AC VVVF drive & Dc VVVF drive
explain their working principle?
- 13 Answers
- 47845 Views
- Apollo, OPS, I also Faced
- E-Mail Answers
Answer Posted / tapiwanashe vhurumuku
vvvf stands for variable voltage variable frequency .this can only be used when first changing direct current into alternating current
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.
66kv under ground cable how to layaing in ground any special case two ckt r runing
why the rotor current becomes in steady state during high slip region? please verify with equations.
explain the Trip supervision circuit
what does mean of RCT and STR in diffrential CT?
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
why do we put a transformer on soak before loading it
what is the purpose of shading ring or shading coil in electrical equipments.
Why you want to join non technical field when you are an engineer?
what is the difference b/w pvc cu conductor and cu breaded wire..?
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
Write masons gain formula.
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
Connection diagram for KW meter and Kva meter
why only exciting current is shown not primary current in transformer???
