Siemens High Efficient High Low Voltage AC Motor

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

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Q:AC operation of AC motor control circuit must be used?
Yes, commutator is requiredThe commutator is a component of a DC permanent magnet series motor that allows the motor to continue to rotate.Structurally, the commutator is a plurality of contact pieces which are round in shape and are connected with each tap of the rotor respectively, and two electrodes are connected outside to be called an electric brush to contact with them, and only two of them are contacted at the same time.
Q:In variable frequency drive why we control Dc why not directly control ac.?
Asynchronuos motor speed depends on frequency not on voltage. AC has fixed frequency so we need first to convert it to DC and then generate AC of desired frequency to get appropriate motor speed. Voltage controls output power.
Q:DC motor VS AC motor?
dc works well with batteries. ac can be plugged in the wall. dc is more portable (batts) ac doesnt run your batts dead. MIKE
Q:How to synchronize two ordinary AC motors?
Frequency converter is one of the motors, one to two motors synchronous operation, can use frequency converter input control terminal function, to achieve the two frequency converter frequency settings. That is, using the command and deceleration commands at the end of the increase, the use of buttons on and off signals to increase or decrease the set frequency. In order to connect the inverter, when the growth rate of the button is closed, the command signal growth end, increase the output frequency of the inverter according to the acceleration time, growth button to keep the inverter output frequency is turned off; when the deceleration button closed, deceleration command end signal, the output frequency of the frequency converter to reduce the deceleration time, deceleration button keep the output frequency of the inverter is disconnected. By using the method mentioned above, the system can be tuned and fine tuned with the relay, so that the synchronous control of multiple motors can be achieved.
Q:How would you measure the resistance of a 2-pole, 3-phase AC induction motor?
Dear, Thanks, am also fine like you,for remind always during measuring resistance do not switch on the system, by use megger please check the resistance between one terminal @ body another be each one end of 3phase input to motor.Ensure it must be open now the winding resistance between any 2 of 3phase input to should offer some resistance in ohms.
Q:How much power can an electric motor handle?
Hello, Is it a DC or an AC motor? I am more familiar with DC motors, but AC motors have a few similarities. An electric motor draws very little current at no-load, so even if it's not designed for a given voltage, it may run just fine (and very fast) if you give it too much voltage. Usually DC motors are designed for 12 volts (16 volts max, typically). But they can usually handle 50 volts if there is no load. Of course, if the motor is going way too fast, it may fall apart - the copper windings will fly off the core and the motor will die. If you load the motor , the current increases rapidly. If the motor is stalled (energy applied, but the motor is physically clamped or restrained, it will draw maximum current and will eventually burn up, or if the motor has an internal circuit breaker, it will trip to protect it. A typical automotive DC motor can handle anywhere from 10 amps to 40 amps at 13 volts. If you let the motor run at no load, or a very light load, it can run indefinitely and will never overheat. However, AC motors are a different animal, and can be rated for either 120 volts or 240, or 460. There are way too many variables if you're talking about an AC motor. They are MUCH more dangerous than a DC motor also. If you disassemble any motor, be very careful. Even if you unplug an AC motor, there may be large capacitors inside it which can hold a potent charge and zap you if you touch the wrong thing
check the fire wall to see if the blower motor is . it is easy to replace
Q:How do you build a very simple, very basic 120 Volt AC induction motor?
For wire wrapped around nails or something, use a lower voltage. Look at descriptions of how motors work and compare AC motors with DC motors. A permanent magnet AC motor might work better than an induction motor. Study all the kinds of AC motors. Single-phase AC motors usually need capacitors. If possible, wind the wire on something U shaped and put the rotor between the ends of the U.
Q:The difference between a variable frequency motor and an ordinary AC motor
Ordinary fan cooling fan, follow the machine movement with the same line, and inverter fan, the two are separate. Therefore, when the fan is too low, it may burn out due to overheating.
Q:How do I know whether the motor is a direct current motor or an AC motor?
You didn't know when you bought itYou can have a look at the nominal voltage on the nameplateDC is DC, AC is communication

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