The rated speed of a three-phase asynchronous motor is 1440r / min. what is the synchronous speed of the motor? What is the speed of the rotor rotating magnetic field relative to the rotor?

1500,60

RELATED INFORMATIONS

1. If the speed of a motor is 1200R / min, the rotation period is___ s. The angular velocity is___ Rad / s, the radius from point a to the center of the circle is 0.5m, then the line of point a The speed is____ m/s
2. The rotational speed of the motor pulley is n = 120r / min. the distance between a point on the pulley and the axle is 10cm. Calculate the rotational frequency, periodic angular velocity and linear velocity of this point?
3. The motor speed of household food grinder is 1000r / min___ r/s,
4. When the speed of generator is 300 R / min, what is the angular velocity W and the period T?
5. What is the rotational speed of the coil in alternating current and what is the relationship between it and angular velocity
6. The maximum decrease of the equator to the two poles, what is the angular velocity? Is it equal in all parts of the earth? Or what?
7. The tape axis of the tape recorder rotates at a constant angular speed to rewind the tape. After rewinding, the end radius of the tape is three times the radius of the empty axis. The winding time is t, What's the difference between thick and thin tapes
8. What is the direction of angular velocity What's the direction of angular velocity
9. The angular velocity of the earth's surface is the same at any place except the north and south poles. But why is the perihelion and the aphelion?
10. How to calculate angular velocity
11. In the problem of celestial bodies, if the orbit radius increases, only the period will increase and the others (centripetal acceleration, angular velocity) will decrease Why?
12. The relationship between linear velocity, angular velocity, period, acceleration of gravity and radius R is deduced formula
13. The law of universal gravitation to find the acceleration of gravity around the celestial body
14. If the radius of a celestial body is k times that of the earth and its density is p times that of the earth, then the gravitational acceleration on the surface of the celestial body is () A. KP2 times B. KP & nbsp; times C. KP times D. p2k times
15. How does the period and angular velocity of the planet change with the distance from the central celestial body?
16. The relationship between angular acceleration and angular velocity?
17. Angular velocity of the earth
18. Isn't angular velocity defined as the angle of rotation per unit time? So ω should be equal to 360 / T. why is ω = 2 π / T? I didn't make it clear when I was in school. Now I need it. It's still foggy
19. Why is linear velocity equal to angular velocity times radius?
20. Is angular velocity times t equal to radian or angle?