• Siemens ILE0001 Series Low Voltage AC Motor System 1
Siemens ILE0001 Series Low Voltage AC Motor

Siemens ILE0001 Series Low Voltage AC Motor

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



Q:Isn't the starting winding symmetrical? If it's symmetrical, it's also an alternating pulsating magnetic field, how can you drive the rotor?
Because the magnetic field will not rotate (single phase winding and three-phase current phase difference of 120 DEG to produce a rotating magnetic field, so the starting winding), the working principle is in the starting winding current is generated through nearly 90 degrees of the magnetic field produced by a capacitor, the rotating magnetic field.
Q:In A.C motor we have all three phase currents equally or separately supplied for each phase. In D.C motor only one current. The load can appear in the equation in any form.
You can start with the equation that input electrical power is mechanical power delivered to the load by the motor shaft plus losses. For DC, Power (Watts) = Voltage (Volts) X Current (Amperes). For three phase AC, Power (Watts) = RMS Line Voltage (Volts) X RMS Line Current (Amperes) X Square Root of 3 (1.732) X Power Factor (Cos of phase difference between voltage and current). For mechanical power, Power (Watts) = Torque (Newton – Meters) X Rotational Speed (radians per second). Therefore: For a DC motor, Input Current = (Torque X Speed + Losses) / Input Voltage. For a 3-Phase AC motor, Input Current = (Torque X Speed + Losses) / (Input Voltage X 1.732 X pf) The losses include both electrical losses and mechanical losses that are proportional to voltage, current, frequency (for AC), and speed. Speed depends on the speed vs. torque characteristics of the driven load and the speed vs. torque characteristics of the motor. At steady state, the motor operates at the intersection of the motor speed vs. torque curve and the load speed vs. torque curve. The DC motor speed vs. torque curve depends on the machine design and the applied voltage. The AC motor speed vs. torque curve depends on the machine design and the applied frequency and voltage. It is also important to note that the power factor of an AC motor is not constant. It varies with load.
Q:AC motors are known as the workhorse of industry.
Let me take a stab at this. Think about a generator. Then think about the concept of mechanical energy being converted to electrical energy. So I'm learning about wind turbines right now so if u wanna take that as an example, torque is a type of mechanical energy. When the blades of a wind turbine turn they generate a torque. That torque can be converted to electrical energy through a type of generator(a special type of circuit). There's some kind of law that says when you have a time varying magnetic field it generates a current. So an induction generator ( the type of generator i'm using to explain this example) is like a system involving magnetic fields that generates electricity (current) off of that principle. The current generated from that system is created by moving parts (ie creates the time variance aspect of the 'time varying magnetic field' requirement) called rotor and stator. I won't get into any more of the details of that but i hope that kind of makes sense. torque=>movement within a magnetic system=>magnetic fields that are changing over time=>production of current, due to faraday's law So the end result is that you get current, and when you have current you can get voltages (when you run that current across a resistor or any other type of impedance for example). and then you can have lots of fun from there. Hope that made some sense, good luck.
Q:why do elec motors ang geysers have high starting current?
AC motors usually take 6 times continuous current when starting unless they are fed from a VSD of some type. If the pump is centrifugal then the load only starts to have an effect of half speed.
Q:How to distinguish between DC motor and AC motor?
As communication is easier to obtain and easier to carry, so most of the electric machines we use today are driven by AC motors.
Q:anybody could give me some answers...what is the difference between ac brushless generator and non-brushless generator?? how about PMG generator??how to improve torque in dc motor??please anybody..??
We okorder and click the Repair advice videos tab. Hope this Helps!
Q:whats the difference between an ac motor and an ac generator,especially in its architecture, if there r any?
AC Motor converting Electrical Energy in to Mechanical Energy. But Generator Convert Mechanical Energy in Electrical Energy.
Q:Describe the features,characteristics and applications of an ac motor?
features: windings, armature characteristics: runs on ac power, usually heavy for size applications: washing machines, fans
Q:I've heard that hair dryers with AC motors are better then dryers with DC motors. Why? Is it just because they last longer?
Advantages of AC motors: Simple Design Low Cost Reliable Operation Easily Found Replacements Variety of Mounting Styles Many Different Environmental Enclosures Disadvantages of AC motors: Expensive speed control Inability to operate at low speeds Poor positioning control Advantages of DC motors: Easy to understand design Easy to control speed Easy to control torque Simple, cheap drive design Disadvantages of DC motors: Expensive to produce Can't reliably control at lowest speeds Physically larger High maintenance Dust I know this is a little much for talking about hair dryers, but it is some basic information. For more check the link below:
Q:Can a DC series motor operated on AC supply?
Yes. The universal motors used in such appliances as vacuum cleaners and blenders are essentially the same as series DC motors. Although the current reverses with each cycle, the current direction in the field always matches the current direction in the armature because of the series connection. However, if the motor is designed as a DC motor rather than a universal motor the cores may not be laminated leading to increased heating due to eddy current losses. Other design differences may also prevent the motor from performing as well as it would with DC power.

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