ABB Original AC DC HIgh Efficiency Motor NV

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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 is Tesla's Model s electric vehicle using AC motor instead of the more popular frequency conversion DC motor?
However, with the development of frequency conversion, the performance of vector frequency conversion + frequency conversion motor is close to that of DC motor.AC motor: a machine used to convert mechanical energy and alternating current energy. AC motor has become the most common motor because of the great development of AC power system. Compared to the AC motor and DC motor, because there is no commutator (see DC motor commutation), therefore has the advantages of simple structure, convenient manufacture, relatively strong, easy to make high speed motor, high voltage, high current, large capacity. The coverage of AC motor power greatly, from a few watts to several 101000 watts, even millions of kilowatts.
Q:What are the speed regulating methods of AC motors? What are the characteristics of each?
One, change pole logarithmic speed regulation method: change the stator winding of the red way to change cage motor stator pole count, to speed.Two, frequency conversion speed control method: use frequency converter to change the motor stator power frequency, thus change its synchronous speed regulation method.Three, cascade speed regulation method: cascade speed regulation refers to winding motor rotor circuit series into adjustable additional potential to change the motor differential, to achieve the purpose of speed regulation. Most of the differential power is absorbed by an additional potential added into the series, and then additional equipment is added to return the absorbed differential power back to the grid or to convert energy to use. According to the method of differential power absorption and utilization, cascade speed regulation can be divided into motor cascade speed regulation, mechanical cascade speed regulation and thyristor cascade speed regulation, and thyristor cascade speed regulation is adopted.
Q:What are the differences between AC motors and DC motors?
The same thing is that their principles are the same, using the laws of electromagnetic inductionDifferent is the DC motor through the commutator to change the direction of the current. To get a transfer from the principle, I will not say, junior high school. It is through the AC motor into alternating current to produce a rotating magnetic field, in the motor, and then the law of electromagnetic induction.
Q:Comparison of AC motor and direct current motor
Disadvantages of DC motor1. direct current motor manufacturing is more expensive2. carbon brush
Q:AC motor stator winding does not turn, why the back EMF?
The principle of an electric motor can be understood in junior high school. It is a device that transforms electrical energy into mechanical energy. The energized coil is subjected to a magnetic field to its ampere force in the magnetic field, causing the coil to rotate around the shaft. Ampere force is the power source of coil rotation. If we see only the power of the ampere force, the coil of the motor will continue to accelerate, which is obviously impossible because each motor has a maximum speed.
Q:The difference between a direct current motor and an alternating current motor
As the name suggests, the direct current motor uses DC as the power supply. AC motors use alternating current as power source. Structurally, the principle of the direct current motor is relatively simple, but the structure is complex, and it is not easy to maintain.
Q:What are the advantages of AC motors?
The coverage of AC motor power greatly, from a few watts to several 101000 watts, even millions of kilowatts. In the early 1980s, the largest turbo generator reached 1 million 500 thousand kilowatts.
Q:Is DC motor energy saving or AC current?
DC speed depends on the series resistance changes, the motor voltage to speed control purposes, the resistance to consume a lot of active powerThe frequency converter is changed to the AC motor frequency by the power electronic technology to achieve the purpose of speed regulationThe power consumption of the frequency converter is much smaller than that of the DC speed regulating resistorAC motor coil inductance, consumption of reactive power, do not consume active power, but the transmission of these reactive power on the line of the current in the line resistance to consumption of active energy, so to add local capacitor compensationDC motor is characterized by convenient speed regulation, easy to realize high-power motor speed regulationNow, inverters can reach several thousand kilowatts of power
Q:The difference and advantage between DC motor and AC motor
Alternating current dynamo:Advantages: 1.. Simple structure2. low manufacturing costs, 3. maintenance, simple economy.Disadvantages: can not speed up their own, you need to use frequency conversion equipment to achieve speed changes.
Q:How many kW or more AC Motors should be started with the starter?
In fact, the problem needs to be taken into account in 4 main elements:1, when the motor starts, the voltage on the power distribution bus at all levels meet the normal use requirements of other equipment;2 、 mechanical energy can bear the impact torque when the motor is started at full pressure.3. The structure of the motor itself can withstand the impact of full pressure starting.4 、 does the motor start with special requirements?.

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