ABB DC HIgh Efficiency Motor HXR400

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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:What's the meaning of the center height of the three-phase AC motor?
The base length represented by international letters: S - M - in short, a base seat, L - long seat, usually according to determine the length of stator core.80 of the frame as the figure "H", that is "80mm".
Q:The working principle of AC motor!
The single-phase AC motor has only one winding, and the rotor is squirrel cage. When a single-phase sinusoidal current through the stator windings, the motor generates an alternating magnetic field, the magnetic field strength and direction for sinusoidal variation with time, but the spatial position is fixed, so it is also called the magnetic field is alternating pulsating magnetic field. The alternating pulsating magnetic field can be divided into two with the same speed, the rotation direction of the rotating magnetic field are on the contrary, when the rotor is at rest, the two rotating magnetic field generating torque of two equal and opposite in the rotor, the synthetic torque is zero, so the motor rotation. When we use a force of the motor rotation to one direction (e.g., clockwise), the rotor and the clockwise rotation direction of the rotating magnetic field between the motion of cutting magnetic lines becomes smaller; the rotor and the counterclockwise rotation direction of the rotating magnetic field between the motion of cutting magnetic lines becomes large. Thus, the balance is broken, and the total electromagnetic torque generated by the rotor will no longer be zero, and the rotor will rotate in the direction of the push.
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:Brushless AC motor
1, direct current motor with DC, AC motor with alternating current;2, the DC motor needs a reversing device, which is divided into brush and brush. The brush DC motor is changed by commutator, and the brushless motor is reversed by circuit logic;3, AC motor is divided into three-phase AC motor (divided into: synchronous and asynchronous), single-phase AC motor.4, the difference between AC asynchronous motors and synchronous motors is that the rotor of induction motors is non-magnetic (usually copper and aluminum), and the rotor of synchronous machines is permanent (or rather Yu Yongci).5, the difference between single-phase AC motor and DC motor: single-phase DC motor stator or rotor is a permanent magnet (or the equivalent of a permanent magnet, namely: the fixed polarity does not change), and the rotor single-phase AC motor is non magnet, also does not need to be electrified (usually cage). If the single-phase AC electric current is applied to the brushless DC motor, the motor can be operated without the power supply reversing logic circuit.
Q:Structure of alternating current motor
An alternating current motor is mainly composed of an electromagnet winding or a distributed stator winding and a rotating armature or rotor for generating a magnetic field. The motor is made by the rotation of the energized coil in the magnetic field.
Q:Alternating current motor commutation
The stator winding of the three-phase motor determines the direction of its rotation. The positive and negative rotation of the three-phase motor can be realized by switching any two phases of the three-phase power supply.
Q:How to change AC motor to generator?
Three large capacity oil immersed capacitors are added between the items, which generate voltage with the residual magnetism of the motor, but there is no good power factor
Q:What is the size of DC motor and AC motor under the same power?
In general, the DC motor is large in size, but it depends on whether the supply voltage of the two motor is the same.
Q:Motor starting mode
Starting with buck transformerThe autotransformer start voltage, the starting current and starting torque of the motor and the end is proportional to the square of the lower, to obtain a large starting current to start the same situation. Such as starting voltage to 65% rated voltage, the starting current is full voltage starting current starting torque is 42%, full voltage starting torque 42%.The advantages of self coupling transformer step-down start is the direct manual control, automatic control can also be used for AC contactor, durable, low maintenance cost, suitable for all the no-load and light load start using asynchronous motor, is widely used in the production practice. The disadvantage is the manual operation to transformer box configuration more expensive (from I), automatic control box compensator to configure auto transformer, AC contactor start-up equipment and components.
Q:Why does high-speed rail use AC traction motors in China?
Synchronous excitation motor, more devices, more annoying, generally used in firepower, water power plants. It can be said that the world's larger power motors (1MW or more), basically all communication. The power generation is basically synchronous, and the motor is basically asynchronous. In addition, I give you a data, the world about 70% of the power consumption of the motor, there are 70% of which is asynchronous motor.

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