ABB AC Motor High Voltage HXR 500LP6

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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:How can a DC motor be changed into a three-phase AC motor with good performance?
Selection of asynchronous motor, power 60kW, voltage 400V, speed of only 960 RPM selectable (6 pole), if the speed is not enough to add speed (AC motor only 1500, 1000 (960), 750, 500 and several speed; if optional) must be 1000, as long as the election with step motor, just the price is too expensive.If the power supply capacity is not enough, without speed regulation, you need to calculate the starting capacity, select the starting mode and motor.The starting modes of squirrel cage asynchronous motor include direct start and star triangle startingThe above is cheaperThe starting modes of winding asynchronous motors are resistance start and frequency sensitive variable resistance starting
Q:Why is the AC motor connected to the capacitor?
AC motor to connect the capacitor, in brief, the capacitor is to produce a phase difference, and let the motor magnetic field "asynchronous", the motor will rotate.
Q:Can any AC motor 220 and 380V control positive inversion? What are the conditions?
There are commonly used reverse switch control (Figure 1), switching control (Figure 2) and AC contactor controlSingle-phase series motor (portable electric tools) can be 2 lines of stator winding connected between the carbon brush can brush with control of the motor is reverse.Single-phase shaded pole motor with self shading coil can not change the position of the short circuit and embedded in the stator slots, the motor is not reversed.
Q:Can the welding line of AC welding machine be dead?
The welding line of AC welding machine is the two line of electric welding machine.The welding wire caused by electric shock accidents, because the two line is low voltage (no-load voltage generally 50 - 90V), people understand the causes of electric shock, often mistakenly think that the welding line two times is "safe", leading to accidents causing death two line not uncommon a shipyard is a young female welder, welding is the cabin, the cabin due to high temperature and poor ventilation, body sweating, canvas overalls and leather gloves are wet. When replacing the electrode holder when touched, because of spasm fall backward, falling out of the neck in the holder, failed to cause electric shock accident died after death. The accident tells us that the two line voltage of the welder is low, but it is enough to kill.
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:AC operation of AC motor control circuit must be used?
When the current through the coil, in under the action of the permanent magnet, through attraction and repulsion when it rotates, and to balance the magnet, the original electric line is corresponding to contact the commutator and brush and brush away, connected to the group with the impulse to coil contacts should be so, repeat it, DC motor will turn up
Q:Can AC motors be converted into generators?
Another method is to replace the original rotor directly with the one or two pole permanent magnet. Note: the poles of the permanent magnet should be as close to the stator as possible, but they cannot be touched. Rotating the rotor (or permanent magnet rotor) can pass the stator around the output voltage, current. If the speed is increased, the voltage can be mentioned very high.
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:Why is DC motor speed regulating better than AC?
The magnetic field of an AC motor is strongly coupled and time-varying, while the external conditions change and the speed changes as well, and it changes.
Q:Why does the AC motor turn?Do I feel that the coil is not in a steady state?
When three to three alternating current in the stator winding through the symmetry, it produced a synchronous speed n1 along the stator and rotor roundfor space in a clockwise rotation of the rotating magnetic field. Due to the rotation speed of rotating magnetic field to N1, the beginning of the rotor conductors is static, so the rotor conductor will cut the stator rotation the magnetic field induced electromotive force (EMF direction dingze judge with the right hand).

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