ABB Low Voltage AC Motor

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Q:How to connect the AC motor?
Triangle: above line three root three terminals connected with three-phase power supply, the three terminals should pay attention to the connection, the end of U phase U2 wire and V head end V1 shorted end of V phase V2 wire and W head end W1 shorted end of W phase W2 wire U and U1 head end short circuit.
Q:Panasonic servo motor A4 series, AC synchronous motor or AC asynchronous motor?
AC synchronous motor.Servo motor now basically divided into two kinds: brushless DC and AC servo, this type of motor drive waveform is brushless DC motor, is trapezoidal wave, brushless DC motor can also be called permanent magnet brushless synchronous motor.Servo motor (servo motor) refers to the servo system to control the operation of mechanical components of the engine, is a kind of auxiliary motor indirect transmission device.
Q:What are the stator and rotor functions of an alternating current motor?
The role of the stator of an alternating current motor is:As part of the magnetic circuit of the motor and embedded stator windings. The stator core is laminated by 0.5mm thick silicon steel sheet, and the two sides of the brick and steel sheet are coated with insulating paint to insulate the sheets and sheets so as to reduce the core loss caused by the rotating magnetic field in the stator core. A plurality of same grooves are punched inside the stator core to be inserted into the stator winding.
Q:What is the maximum speed of a three-phase AC motor?
The maximum speed of the three-phase AC motor is determined by the power supply frequency and the number of poles of the motor. The maximum synchronous speed is =60*, frequency (50) / magnetic pole number (1), =3000 rpm, and the asynchronous speed is about more than 2900 revolutions per minute.
Q:Alternating current motor commutation
When the AC input is turned back, it is equivalent to the original voltage +180, just to make the original super front late and late lead, because the 360 is a cycle, so when the AC input turns back, the motor reversesYou should know that the motors will stay at the 0 torque in only 1 groups. The other set of 90 degrees difference is just at the maximum torque. This torque causes him to start
Q:How to distinguish between DC motor and AC motor?
The stator of a direct current motor is a fixed magnetic field, and the direct current changes through the brush of the rotor to form a magnetic field around it, thereby rotating in the stator. In industrial enterprises, due to relatively reliable DC power supply, DC motor is generally used to require reliable operation of mechanical or mechanical spare security; and because the DC motor with variable speed input voltage can also change, so often need to control local DC motor are many, such as cars, electric locomotive and so on.
Q:How to realize constant power or constant torque output of three-phase AC motor?
Is generally achieved through the frequency converter in the frequency power supply 50HZ, with inverter motor, the inverter output is below 50HZ, the motor is in constant torque output, but the inverter output is higher than 50HZ, the motor is of constant power output
Q:Please exchange the motor. Is it possible to adjust the speed with a governor?
Many domestic electric fans use bidirectional thyristor to do phase shift speed regulation. This kind of speed regulation is to reduce the input current so that the motor can not move fast and can only reduce the speed. Like the light desk lamp, it is forced to adjust.
Q:What is the neutral point of an alternating current motor? How to determine whether the neutral point leads to?
The AC motor only meets the three-phase fire line, the three-phase is balanced, the neutral point does not connect the zero line, also does not have the ground.
Q:What's the difference between a variable frequency motor and a servo motor?
Then it is servo motor, variable frequency motor and the main difference with the encoder, and then transmitted to the servo motor drive, and then using the control theory, such as gain, adjust time, simply say a servo motor is a closed-loop control system, and quick start, stop, load capacity a variable frequency motor, with these characteristics, also makes the speed, torque, third position control method for high requirement application. 1, servo motor and inverter and working principle of AC motor is basically the same, belong to the AC-DC-AC voltage type motor drive, but the technical requirements of big differences, so there are great differences in the aspects of motor and driver design.

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