Electric motor AC

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Specifications

1. Type: Induction Motor
2. Frequency: 50/60Hz
3. Output Power: 0.75 to 355kW
4. Phase: Three-phase
5. Efficiency: IE2, IE1

CAG Electric Machinery is a global manufacturer of electromotors and their accessories. Our products are constructed in such a way that they are environmentally friendly. Due to this effort, our electromotors achieve low energy consumption while maintaining their performance.

Our Products Type:

1. Aluminium Frame,
2. Cast Iron Frame,
3. Three Phase Motors IE2,
4. Single Phase Motors.

Cast Iron Frame: CAG HGIE2 Cast Iron Frame Three Phase Electric AC Induction Motor

HG series with cast iron body. Three -phase induction motors. Motor for frequency convertor.

Design:

1. Bearing shields in aircraft design for greater load capacity.
2. Fan cover in new aircraft design for better cooling.
3. Terminals with the exact diagonal division. Accelerated access saves time during assembly.

Quality of Processing :

1. Complete development according to EU standards.
2. Certification of production and manufacturing standards by TUV-SUD.
3. Production under constant surveillance quality manager from the EU.
4. Certification for efficiency IE2 motor in the EU.

Technique:

1. Double painting of winding.
2. The screws on the front shield and the fan cover in stainless steel.
3. Thermal protection of winding as standard.
4. Control and power glands in the base price.
5. Reduced vibration by max. 1.5 mm/s.
6. Each engine goes through routine tests and the test result is delivered together with an invoice. Everyone can consider motor parameters.
7. Engines above axial height 132 is provided with bearing shields made of cast iron. The engine obtains robust construction in compliance with weight limits.

Q: The three-phase ac motor can be divided into which classes: Classification according to the use Different applications of the three-phase asynchronous motors can be divided into drivers and controlling power. The motive power of driving power is divided into the motive of electric motor, electrical motor and other general motors. The motor is also divided into stepper motors and servo motors. Four, according to the structure of the rotor The motor is different from the structure of the rotor, which can be divided into cage induction motor and rotor induction motor.

Q: How does the current transformer in ac motor work?: The differential protection of ac motor is in the three-phase power supply (cabinet) of the motor, which is equipped with three current transformer: A1, B1, C1. At the end of the three-phase winding of the motor, there are three current transformers: A2, B2 and C2, before being linked to "neutral". The six current transformers are the same, and the secondary winding receives the differential protection relay. When the motor is working, A1, A2 is equal to zero, the difference is zero, and the differential protection relay has no output. (B1, B2, C1, C2) The proposal: still seek a book to see, as the electrical design personnel, should have more in-depth understanding, the Internet is difficult to get.

Q: Is the synchronous motor not communicating? Why do you say that brushless dc is a type of synchronous motor? Exclude o: The synchronous motor you are talking about should be the permanent magnet synchronous motor, the difference between him and dc brushless motor:

Q: Can a converter drive a normal three-phase ac motor?: Second, the frequency conversion machine manufactured by the regular manufacturer will be adjusted internally, and it will also strengthen insulation. If there is a problem with ordinary asynchronous motor, it should be analyzed according to the situation.

Q: What is the difference between alternating current motors and dc motors?: 1 similarities (1) structure on the same ac generator and dc motor structure is composed of stator, rotor, iron core, coil, magnetic pole, brush, etc. (2) the application of electromagnetic applications is the same as electro-magnetic and magnetoelectric phenomena. (3) the transformation using the same Asynchronous motor, as long as the prime mover drag (such as turbine, diesel engine, etc.), the rotor rotating speed n higher than that of rotating magnetic field of synchronous speed n1, even if the slip S = negative, plus the exciting current, becomes the ac asynchronous generator; Dc motor, if the part of the change of its power to external power rotation, it's on the end of the armature winding and field winding is dc voltage, which means dc motor can also be used as dc generator. (4) to maintain the same operation In the operation of all needs to check its operation, sound and vibration is normal, the ventilation is good, bearing oil, adequacy of stator winding and the temperature of each part is normal, the rotor brush on the presence of abnormal spark, voltage and current is within the scope of the rating, chassis ground zero are in good condition and etc. 2 the difference

Q: What effect is the capacitor on the ac motor?: The capacitance of the three-phase motor is reactive capacitance, and the capacitance of the two-phase machine is the start-up capacity and the operating capacity.

Q: What are asynchronous motors and synchronous motors: The difference between asynchronous motor and synchronous motor is that rotor speed is different, the rotor speed of asynchronous machine is less than synchronous speed, and the rotor speed of synchronous machine is synchronous speed. Note: in the asynchronous machine, there is a rotating magnetic field at the same speed as the synchronous speed, the synchronous velocity is 60f/p, f = 50hz, and p is the logarithmic logarithm. Further excitation of the rotor of the synchronous machine; The asynchronous machine is not used, and can directly from the stator to the rotor.

Q: Common problems with ac motor: Why does the motor produce shaft current? The shaft of the motor - the shaft bearing seat - the current in the base circuit is called the shaft current. The cause of axial current generation: (1) magnetic field asymmetry; (2) there are harmonics in the electric current; (3) the manufacture and installation is not good, because the rotor eccentric causes the air gap to be uneven; (4) there are gaps between the two semi-circles of the removable stator iron core; (5) the number of scalloped iron cores that have a fan stack is not appropriate. Harm: make motor or ball bearing surface erosion, shape process, microporous worsen bearing operation performance, the friction loss and heat increase, resulting in Bearing burn out.

Q: Ac asynchronous generator principle: Asynchronous generator rotor is higher than the synchronous speed, the stator magnetic field will be of induction coil cutting, voltage and current, if the power grid, the grid frequency control are the synchronous speed. If it is not incorporated into the grid, its synchronous speed will be determined by the combination of the generator's speed and load.

Q: How to control ac motor with single-chip microcontroller: First, the output of the single-chip machine is connected to the photocoupler, plus the triode, and the circuit of the relay. Depending on how much voltage the relay corresponds to, the relay has to be connected at one end to the voltage, and one end to the triode. Finally, the ac voltage is suitable for ac motor at one end of the relay, ac motor on the other end, and two relays under control.

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