WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS
MOTOR...............................JUSTIFY
Answer Posted / mridul pandey
synchronous speed Ns=(120*frequency)/number of poles. Since
frequency and number of poles are constant and hence the
synchronous speed is constant and cannot be changed.
| Is This Answer Correct ? | 11 Yes | 7 No |
Post New Answer View All Answers
what r PID controllers?why they r used?what is there purpose?plz Explain in detail
What is voltage ratio of a transformer?
what is a bus riser in power system and why it is used
How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?
Explain the advantages and disadvantages of thermal power plant?
What is the emf equation of a transformer?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
How to select the cable and voltage drop in circuit?
What are the main parts of central chiller plant? Explain the function of each stage.
plz tell me,ht and lt panel terminals in substations explain beiefly
how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?
how to test reverse power trip?
How does the phase sequence controller works, how it identifies the phases? confirm working principle
How is magnetic leakage reduced?
what is earthing.how we make it,describe briefly.