ABB Original 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:Im building a formula hybrid vehicle, and Im wondering what would be the difference from using AC and DC motor
Compared to DC motor controls, early AC motor controls were more complicated, larger, less reliable, less efficient, and more expensive. Early AC motor controls did not provide very high starting torque or stable and accurate control at low speeds. Compared to DC motors, AC motors are smaller, lighter, less complicated, more efficient, less expensive, more reliable, and easier to maintain. That has provided great incentive to develop better electronic controls for AC motors. With the introduction of integrated circuits, surface mount technology, microprocessors and high power isolated gate bipolar transistors, AC drives steadily overcame many of the advantages of DC drives. The development of flux vector control techniques has provided AC drives with performance capabilities equal to DC drives. AC drives now also provide equal or better efficiency and reliability. Since AC motors are much less expensive than DC motors the AC motor and controller packages are less expensive than the DC drive packages. AC drives now have all of the advantages except that DC packages may be smaller and less expensive in the smallest sizes such as for small appliances and portable tools. If you are working on an amateur project, what you should use will be determined by what you can understand and economically obtain.
Q:Power signature of AC motors?
your kill-a-watt-device is designed to measure the direct power consumption as is in an electrical circuit. This works great for lamps and heaters. now since you have a pump in your circuit you need to consider that this is an inductive device. Such devices cause a phase shift between voltage and current in your circuit which gives you messed up readings. the other extreme would be a highly capacitive device.
Q:what happens if ac is fed to a dc motor?
Depends. If it is what is known as a universal motor, the motor will start and run. However, most motors are optimized to run on either AC OR DC and so will only work satisfactorily on the system it is designed for.
Q:i have a 92 cherokee and the ac blower motor quit working, i replaced it with a new but still does not work.?
check for power going into the motor and like the other guy said check fuses , relay ect.. usually if the resister went bad it would only work on high and not work on the lower speeds but just for giggles check that too.
Q:Why are DC motors more powerful than AC motors of the same power?
In order to limit the starting current, a specially designed variable resistor is often inserted into the armature circuit. In the starting process, as the speed continues to rise, each segment resistance is shorted in time, so that the starting current is limited to a certain allowable value. The working principle and starting method of this kind of DC motor is called series resistance starting. It is very simple and easy to use. It is widely used in various medium and small DC motors. However, due to the large energy consumption during starting, it is not suitable for motors that are frequently started and medium and large DC motors. But for some special needs, for example, city buses are often started. In order to simplify equipment, reduce weight and facilitate operation and maintenance, it is usually adopted serial resistance starting method.
Q:Split phase or Capacitor start motor at variable speeds?
When you run a current through a wire, it will induce a magnetic field. A motor works on the principle that when you place a magnet N to N or S to S, it will repel. By inducing a magnetic field that constantly 'flips', constant torque is applied to the shaft. On a DC motor, this 'flip' is done using a physical device called a commutator. Basically, it flips the + and - leads on the coil around every half turn, so the N and S poles of the fields are always in the reigon where they repel, causing circular motion. When you increase the current capacity, the motor will experience greater torque and will turn faster, and the commutator will flip the polarity as quickly as needed, so you can control a DC motor by reducing the current capacity of the input, by reducing the voltage or by inserting a variable resistor. On an AC motor like the ones you describe, this 'flip' is part of the waveform itself. You can't reduce the speed of the motor by reducing the current capacity(using a rheostat or resistor) because the torque the motor has at a certain shaft angle is related to the voltage it sees. The way AC motors are made to be variable speed is to change the frequency of the input waveform using something called a Variable Frequency Drive or Variable Speed Drive. It will take an input AC signal, turn it into DC, then use power transistors and computer controls to create a new waveform, whose frequency can be easily controlled.
Q:Which type of electric motors are more powerful a.c or d.c?
AC motors can convert more power per unit of mass and more power per unit of volume. In a DC motor, almost all of the input electrical power must pass through the commutator. The commutator adds size and weight and reduces efficiency. The design of the rotor windings also requires more copper and reduces efficiency. Lower efficiency means increased heat requiring a larger motor. In the case of a brushless DC motor, there are permanent magnets in the rotor making it more like an AC motor and possibly somewhat more powerful than an AC motor of equal physical size and mass. In addition, AC motors can be manufactured in power ratings that are not possible with DC motors. The commutator limits the maximum voltage and current. AC motors can operate at higher voltages. An AC motor has been manufactured for 101,000 kW (135,000 Hp). It has two 12,500 volt, 3-phase stator windings.
Q:can an electric motor lock its position?
In some inverter controlled cases, the VFD controller can hold 0 speed using various methods such as a DC hold, or plain speed control. Locked solid is relative to the the slow speed characteristics of the motor.
Q:Can i use a light dimmer to control Ac motor speed?
It strongly depends upon the type of AC motor. A synchronous motor would require a change in AC frequency to change its speed. (Or a change in its wiring configuration for the number of poles in the windings). A universal motor could use a dimmer to continuously control voltage and adjust its speed to any speed (within reason) .
Q:Where can I purchase a 165KW 3 phase AC induction motor from? On-line store?

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