AC electric
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Packaging Detail: | Wooden box or according to customer's requirement |
Delivery Detail: | Within 30 days after30% received your deposit |
Specifications
electric motor,the motors have high efficiency , beautiful modeling ,compact structure, low noise, large starting torque ,et
1.3-phase asynchronous motors
2.IEC standard
3.OEM
4.Voltage:50HZ &60HZ;380V&415V
5.Protection class: IP54 IP55
- Q:Why does a single motor have a series of capacitors
- As we all know, the rotation of the ac motor on electric current produced by a rotating magnetic field, and single-phase motor is different from the three-phase motor, three-phase motor through 120 degrees is the difference in phase and three phase current, can produce a rotating magnetic field; And single phase motors through the single phase current does not produce a rotating magnetic field, need to take some methods to make it produce a rotating magnetic field, using capacitance is one method, which is the most common method, capacitance is used to split phase, the purpose is to make two spare set of the current produce nearly 90 ゜ phase difference, in order to produce a rotating magnetic field.
- Q:MATLAB for ac asynchronous motor simulation, speed signal and torque signal when the result is negative?
- This means that you have a problem with the parameters of the asynchronous motor, such as the rotor resistance and reactance of the motor The torque that you bring to the motor is too big, the machine can't bring up, so it shows that it's going in the negative direction all the time You can modify the motor parameters or reduce load torque
- Q:Is it still a communication welder
- Of course the ac welder was used in sales; And it's not too small; But today's ac welders are mainly concentrated in high-power welders;
- Q:How to judge a three-phase ac motor
- You measure U1, U2, w1, V1, V2 with ohm, which is the best thing you can do if you don't have a bad one, you can measure the resistance to the ground
- Q:The structural difference between ac motor and dc motor
- rating: generally understand and grasp the rated frequency and rated speed, the frequency of 50 hz. (3) connection methods: Y type and angular type. (4) insulation level and temperature rise: mastery allows the definition of temperature rise. (5) works: general understanding. 4. Mechanical properties of three-phase asynchronous motor Master rated torque, maximum torque and start torque. The relationship between the book's formula to grasp and can be flexibly used to calculate. At the same time, remember the following content: (1) at constant speed rotation, the torque of the motor must be balanced and resistance torque. (2) when the load torque increases, the initial moment motor torque T (3) general three-phase asynchronous motor overload coefficient is 1.8-1.8. (4) motor has just started n = 0, s = 1.5. Three phase asynchronous motor starting
- Q:What is the power of the motor
- Dc motor power P = UI Ac motor power: P = 1.732 * U * cos phi Power = force * velocity P is equal to F times V minus the formula 1 Torque (T) = torque (F) * action radius (R) is F = T/R.Linear velocity (V) = 2 PI R * speed per second (n seconds) = 2 PI R * 60 per minute speed (n)/n = PI R * 3 points / 30 - formula Formula 2 and 3 enter formula 1: P = F * V = T/R * PI R * n / 30 = PI / 30 * T * n -p = power unit W, T = torque unit Nm, n points = revolutions per minute If you change the units of P to KW, then this is the formula: P * 1000 = PI / 30 * T * n 30,000 / PI * P = T * n 30000/3.1415926 * P = T * n P = 9550 T * n If we know that P, according to 9550P is equal to T times n, we know that the other one in the torque T and the velocity W is right
- Q:How does dc motor change ac motor
- You have to know that electrical motors and motors, generators and motors can be interchangeable, whether dc or ac,
- Q:Which is better for dc speed regulating motor and ac converter?
- See more power, to achieve what effect, low power, dc speed control usually are cheaper, high power estimation is ac motor, but not necessarily must use ac speed regulating motor. On the upfront costs, general inverter price range in 700-3000, probably look at your requirements and voluntary.
- Q:What is the normal current of the three-phase motor of 3KW
- The electric current formula of the motor Three-phase motor power 1 kw per phase 2 (ampere) current (ampere) = power (kilowatt) watts) * 1000/1.73 * force rate * efficiency Remark: power rate: 0.85; Efficiency: the rated current of 0.853 kilowatt motor is 6 times.
- Q:How does ac motor winding be classified?
- There are many kinds of ac motor winding, which are divided by phase and single phase and three-phase winding. It has a single layer winding and a two-layer winding. The single layer winding is the same type, single chain, cross chain and cross. Double layer winding and wave winding; The number of slots in each phase of each phase is an integer or a fraction, and there are two forms of slot and fraction. But the principles of the winding are consistent.
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