what are the components of a start and stop motor control?
Answer Posted / jayaram
suppose the motor is more than 5hp, two contractors,one
timer, two push buttons(no and nc)and one 230v relay is
required.because of star-delta starting.
but motor is below 5hp one over load relay,one contractor
and two push buttons(no and nc) is suffcient
Is This Answer Correct ? | 4 Yes | 3 No |
Post New Answer View All Answers
Define pole pitch?
Give some differences between open loop and closed loop?
I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)
Is a d.c.compound motor is use as a booster? how?
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
What is power in wattage of 8.5 TR AC
What's the difference between non break power supply and non break non short break power supply
Describe the control mechanism of missile launcher???
What are the different types of transformers?
how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????
what is the thumb rule for determination resistance of resistor?
What is thresh hold value of current?
1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
What is the practical way to calculate the cable size for known ampere load?