Siemens High Low Voltage Motor ILE0001 Series

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part namebrandmodelVoltageprotectioncooling
motorSiemens1LA81PQ8400V,690V,2.3KV,4.16KV,6KVIP55IC411 (1LA8,1LA4)
IC416 (1PQ8,1PQ4)












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Q:Types of AC motor speed control and the difference between them
Frequency conversion speed, which is currently the most commonly used control methods, can achieve stepless speed regulation, the semiconductor converter (or circuit) to change the power supply frequency of the motor, the power (frequency =50HZ) change into the required frequency achieve the purpose of speed, or the above formula: =60f/ magnetic pole synchronous AC motor speed. The frequency of "F", the speed will change.
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:Brushless AC motor
The brushless AC motor produced by our company is the largest in china. There is not much difference in composition, requirements for maintenance and low maintenance, cooling the stator winding more convenient, small inertia, easy to improve the system of fast corrugated pipe coupling, suitable for high speed and high torque working condition, smaller size and weight under the same power.
Q:What are the classifications of AC motors?
According to the different rotor structure, three-phase asynchronous motor can be divided into two major categories, squirrel cage and winding. Among them, squirrel cage is the most widely used.
Q:How can direct current drive AC motors?
Want to use alternating current drive, need a AC/DC power supply, buy a AC220V/DC24V 10A switch power can
Q:Is the motor in the inverter air conditioner a direct current motor?
Frequency conversion only for AC motors.The DC motor controls its voltage and changes its speed. Frequency independent. In one case, the frequency of direct current is 0. Therefore, the use of frequency conversion is simply can not control the DC motor.AC motors can vary the speed by changing their frequency, but they can not be controlled by changing the voltage. There is only one result of changing the voltage, and the motor must be destroyed.
Q:AC or DC motors for rolling gate motors?
Door body is relatively small, such as general shops, doors using DC motor is more convenient, because the door is relatively light, and can add reserve power supply, to prevent the city power failure, the coil gate can still be used.
Q:The difference between synchronous motor and asynchronous motor
Induction motor, also known as asynchronous motor, that is, the rotor in rotating magnetic field, in the rotating magnetic field under the action of a moment of rotation, and thus rotor rotation. The rotor is a rotatable conductor, usually in the shape of a mouse cage. Invented by Nicola Tesla, an electrical engineer in 1887.The induction motor is also called asynchronous motor, that is, the rotor is placed in a rotating magnetic field, and a rotational torque is obtained under the action of the rotating magnetic field, so that the rotor rotates.
Q:Which motor has a great torque when the motor is under DC at the same power?
After the launch, the output power of squirrel cage AC motor and slip directly related, so when the load changes, the AC motor speed will change correspondingly, and the output power of DC motor and armature current, so the external characteristics generally than external characteristics of ordinary AC motor flat hard.
Q:Can the welding line of AC welding machine be dead?
Electric welder no-load voltage in 50V ~ 90V, and the highest level of safety voltage 42V, no-load voltage is higher than the safe voltage, this is not the main safety factors of two lines; in addition, the general electric welding arc ignition, working voltage 16V ~ 35V needed to maintain the arc, although in a safe voltage range but, in the bad environment such as welding on metal structures, metal containers, pipes or under water and wet locations for welding, welding if the poor body condition, body resistance is very low, may cause electric shock, safe voltage is not absolutely safe.

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