ABB AC Motor HXR500

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Brand Name:ABBModel Number:HXR 560 SeriesType:Squirrel Cage Motor
Frequency:62.2 HzOutput Power:750 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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Q:What is the stator voltage and current of an AC motor? And what is the current and voltage of the rotor?
The stator voltage and current of AC motor are determined by specification model!An AC motor, rated voltage 380V, rated current 289A, rated power 160KW,Rated voltage 380V, rated current 289A, that is, the stator parameters!The rotor is short circuited, squirrel cage, and has a strong short-circuit current to induce the magnetic field. There is no specific parameter!According to the model, there are tens to hundreds of thousands of ann!
Q:How many kW or more AC Motors should be started with the starter?
Starting of an electric motorArticle 2.3.1 when starting an electric motor, its terminal voltage shall be able to guarantee the starting torque required by the machine, and the voltage fluctuation caused in the distribution system shall not interfere with the work of other electrical equipment.Article 2.3.2 when starting an alternating current motor, the voltage on the distribution bus shall comply with the following requirements:First, in general circumstances, when the motor starts frequently, it should not be less than 90% of the rated voltage. When the motor is not started frequently, it should not be less than 85% of the rated voltage.Two, the distribution of buses on the lighting or other voltage fluctuations are more sensitive to the load, and when the motor is not frequently started, shall not be less than 80% of the rated voltage.Three, the distribution of buses on the other electrical equipment, can be guaranteed to start the motor torque conditions; for low voltage motors, but also to ensure that the contactor coil voltage is not less than the release voltage. Article 2.3.3 the choice of starting modes for cage motors and synchronous motors shall comply with the following provisions:When the following conditions are met, the motor shall be started with full pressure:1 when the motor starts, the voltage of the distribution bus meets the requirements of clause 2.3.2 of this specification:2 、 mechanical energy can bear the impact torque when the motor is started at full pressure;3. The manufacturer has no special rules for the starting mode of motors.Two, when not meet the full pressure starting conditions, the motor should buck start, or choose other appropriate starting method. Three, when the speed control requirements, the motor should start with speed regulation.
Q:Can any AC motor 220 and 380V control positive inversion? What are the conditions?
All three phase motor, the 3 phase line in any two lines can be switched to control the motor positive and reverse, commonly used AC contactor control, reverse switch control (small capacity) and so on.Single-phase capacitor running motor ends of the main winding or secondary winding can be controlled on the motor is reverse.
Q:What is the influence on the motor when AC motor is connected to direct current?.
1200W 1000W with the inductive load inverter to drive the inverter to the protection of course; if you can be satisfied with the speed of 48V, then open 1-2 minutes to see the motor temperature, if the temperature is not high for a 4-5 minutes, if 4 minutes motor is hot, it shows that in 48V under the condition of Soybean Milk machine you can only open 4 minutes.
Q:Is household sewing machine good for AC motor or direct current motor?
DC motor is good, because the DC motor speed up fast and stable.
Q:Why are DC motors more powerful than AC motors of the same power?
Because the motor armature circuit resistance and inductance are small, and the rotating body has certain mechanical inertia, so when the motor is switched on, starting the beginning of the armature speed and anti electromotive force of the corresponding small starting current, large. Up to 15~20 times the rated current. This current will disturb the power grid, the unit will be subjected to mechanical shocks, and the commutator will spark. Therefore, the direct closing start is only applicable to motors with power not greater than 4 kW (starting current is 6~8 times the rated current).
Q:Main structure of AC motor
An electric motor consists of two basic parts: stator: Base: usually made of cast iron or cast steel. The utility model is used for fixing the iron core and the stator winding, and the front two rear end covers support the rotor shaft, and the outer surface of the rotor shaft is provided with a radiating rib.
Q:What are DC and AC servo motors? What are the characteristics?
A rotating motor with input or output as direct current energy. Simulation of speed control system it is generally consists of 2 closed loop, both speed loop and current loop, which enables the two to coordinate each other, play the role of the 2 regulators in the system set up, adjust the speed and current respectively. The 2 feedback closed loop adopts the nested structure of one ring and one ring in structure, which is called double closed loop speed regulating system. It has the advantages of fast dynamic response and strong anti-interference ability, so it has been widely applied. PI or PID circuit is usually composed of analog operational amplifier, and the signal conditioning is mainly to filter and amplify the feedback signal. Considering the mathematical model of DC motor speed control system, simulation of dynamic transfer function in the debugging process simulation of speed control system, because the parameters of the motor or load the mechanical characteristics and the theoretical value is different, often require frequent replacement of R, C and other components to change the circuit parameters, dynamic performance index to obtain the expected, do it is very troublesome, if the use of programmable analog components regulator circuit, system parameters such as gain, bandwidth and circuit structure can be modified by the software, it is very convenient for debugging.
Q:What is the principle of the single-phase AC motor in the washing machine?
The motor of the washing machine should be called: capacitance type single-phase asynchronous motor. The principle is a series capacitor in the amount of the starting winding, the voltage and current of capacitor lags behind its 90 degree, it will produce a magnetic field in the stator, the motor rotating motor! Static centrifugal switch is turned on when the electric starting capacitor in after starting work, when the rotor speed reaches the rated value of 70% to 80% when the centrifugal switch will automatically jump, starting capacitor to complete the task, and disconnected. The running capacitor is connected to the starting winding to participate in the operation. This method is generally used in air compressors, cutting machines, woodworking machines and other heavy load and unstable place.
Q:Comparison of AC motor and direct current motor
Disadvantages of AC motor1. the starting and regulating speed of AC motor is poorAlternating current motor can be divided into synchronous motor and asynchronous motor according to speed.

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