ABB AC DC HIgh Efficiency Motor NV Series

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Brand Name:ABBModel Number:HXR 400 SeriesType:Squirre Cage Motor
Frequency:50.2 HzOutput Power:350 KWProtect Feature:Explosion-proof
Phase:Three-phaseCertification:CEAC Voltage:690V
Place of Origin:Shanghai China (Mainland)Efficiency:IE 1Packaging Detail::EXPORT STANDAR WOODEN CASE
StructureAsynchronous MotorFunctionDriving UsageUniversal

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Specialized in Manufacturing and Supplying a wide range of Electric Motors since year 2002.

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Q:Why AC motor speed control system will replace DC motor speed regulation system?
Among them, space vector PWM technology has been used more and more in AC speed regulation system because of its high voltage utilization, simple control algorithm and low current harmonic
Q:What is the low power factor of AC motor in no-load operation?
First, if it is a single-phase motor, its power factor is equal to the three-phase, then it is low, in this case, the load is unbalanced
Q:The difference between induction motor and induction motor
Three phase asynchronous motor as three-phase motor for motor operation. Three phase asynchronous motor rotor speed below the speed of a rotating magnetic field, the rotor winding magnetic field between the relative motion and the induced electromotive force and current, and electromagnetic torque and magnetic field interaction, realize the energy transformation. Compared with the single-phase asynchronous motor, the three-phase asynchronous motor has good performance and saves various materials. According to the structure of the rotor, the three-phase asynchronous motor can be divided into two kinds of cage and winding. The squirrel cage rotor asynchronous motor is widely used because of its simple structure, reliable operation, light weight and cheap price. Its main disadvantage is the difficulty of speed regulation. Winding three-phase asynchronous motor rotor and stator is also provided with three-phase winding, and through the slip ring, brush and external rheostat connection. Adjusting rheostat resistance can improve the starting performance of motor and adjust the speed of motor
Q:How to choose the AC motor?
The motor is nothing more than the source of mechanical power and speed. The speed and power required for the operation of the equipment can be calculated and the model can be selected.
Q:How to distinguish AC and DC machines
This also increases the manufacturing cost of DC motors to a certain extent. The alternator is concerned, it can realize direct energy feedback to the grid (but must ensure 4 conditions: the same voltage amplitude, phase and phase sequence of the same, the same frequency); but DC generator power needs to convert AC inverter (DC rectification process called, the direct current into alternating current the process that the inverter can be feedback to the power grid). So it also needs to increase the power of the inverter.
Q:Motor starting mode
Direct startThe advantages of direct start is required to start simple, less equipment, low cost. Current motor direct start is about 5 times the normal operation of the motor, often start, power supply line or transformer capacity should be greater than the motor capacity of more than 5 times; the motor is not frequent starting, power supply line or transformer capacity to the motor motor capacity should be more than 3 times. The requirements for small capacity motor is easy to be realized, so the vast majority of small capacity motor is started directly, without the need for a large amount of motor step-down start. It is a power supply line and transformer capacity is difficult to meet the motor direct start on the other hand, the strong impact of the grid and the motor starting current, affect the service life of the motor, the stable operation of the power grid so adverse, large capacity Motors and motors that do not start directly should be started by lowering voltage
Q:What is AC motor?
The torque of the single-phase motor is pulsating, and the noise is relatively large, but the required power supply is relatively simple, especially in the family. Therefore, small household motor and instrument motors are mostly single-phase motors.
Q:The difference between DC motor and AC motor in electric stacker
Advantages of AC motor1. AC motors are cheaper to manufacture.The development of 2. vector frequency conversion technology can be simulated by frequency conversion motor into direct current3. with respect to the DC motor has enough advantages in simple structure, easy maintenance, low requirement to the environment and energy saving and improve productivity and so on, the AC speed control has been widely used in industrial and agricultural production, transportation, national defense and daily life.
Q:How many kinds of braking modes are there in AC motors? What are the characteristics of each?
Energy consumption brakingWhen the motor cuts off the AC power supply, a DC power supply is added to any two of the stator winding to generate a stationary magnetic field, and the stationary magnetic field is generated by the inertia rotation of the rotor to produce a braking torque
Q:Why are electric hair dryers divided into direct current motors and alternating current motors? What are their differences?
AC motor: wind, make the sound small, more durable, hot and cold big difference, large volume, stable current to prevent overvoltage protection AC fever dead machine, most hair dryer is now all communication, have built-in motor protection diode

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