3 okw motor, 380 v voltage. The power factor is 0.2, could you tell me how to calculate the rated current?

Rated current I = P30KW U0.38 KV / 1.732 * * 0.2 = 227.9081 A, but electric motor 12v 500w 30 kw motor power factor can't be so low ah, do you want to calculate no-load running current of motor. The question you ask is problematic. ac three phase motor 30 kw motor power factor should be above 0.75. If according to the capacity of current rating: I = P30KW U0.38 KV / 1.732 * * 0.75 = 60.7755 A. Teach you two formula, very useful: "capacity divided by the number of kv, dealer by coefficient of seventh. "A kw, two current" can estimate the rated current of three-phase motor. Low power factor, then the acmotor2.blogspot.com motor should be banned the example of the net. Line current of three-phase ac asynchronous motor I material 2 P, P - power, kw. I material 2 x 60 kw motor current 30 = 60 a.

The cause of the motor heat have?

Motor in people's life and production as the indispensable important power provider,chance of

appearing in the process of using a lot of electric hot phenomenon,but a lot of people don't know how to solve the more serious is that I don't know what causes fever of motor,it should be in the motor control first,in use process by xi electric vehicle motor'an motor repair shop today professional and technical personnel to introduce you to the cause of the motor heating. Constant to motor,the summer sales First,in the process of the use of the motor due to overload or overload,motor in the process of operation will appear the phenomenon of fever,this definition is very strict,if in the process of use is not in

accordance with the tonnage,approved by the motor is not only in the process of motor use will

shorten the service life of the motor,more serious is that will cause security problems.Second,the cooling fan is not normal work can also lead to the use of the motor in the process of electricalmotor1.blogspot.com the phenomenon of fever,everyone knows that one of the largest in the process of the use of the motor cooling cooling fan near the motor itself,but because of the cause of the dust in the process of using or not often maintenance,can lead to a cooling fan can not work normally,that is to say,will not be able to play their function of heat dissipation.Xi 'an motor repair shop of professional and technical personnel suggest everybody,in the use of motor used in production and life,must pay attention to the detail problem,that is to say,at the motor fan time of use,want to undertake according to the standard of operation,another is to ensure the daily inspection and maintenance,it is in production,we must do as long as the best of these products inspection and maintenance,in in the process of production can be profitable.

Y series three phase asynchronous motor

Y series three phase asynchronous motor,The series of products on the basis of the original Y series,made many improvements in innovation and improving,make the product more optimized,the performance of the structure more reasonable and reliable,in the design process USES the latest design means,such as 3 d design method,the finite element analysis,and so on,its

reliability,rationality,this series of motor design has the characteristics of high starting

point,high demand,high reliability,the mechanical structure adopted home after a long time to verify

the high reliability of the structure,insulation system also wholesalemotor.blogspot.com USES a high standard,high requirement of system,to

ensure the motor can run for a long time and not easy ageing,insulation motor service life is greatly increased,the performance parameters are more than the national standard of the corresponding requirements.Y series high-voltage three-phase asynchronous motor technical conditions,the motor adopts box-type structure,frame adopts steel diesel generators prices plate welding and become,light weight,good rigidity.Top of the motor can be installed protective cap,tear open outfit is convenient,convenient maintenance and repair of the motor.Outside being connected structure is used in the stator end have reliable fixed and

binding,acmotortrading.blogspot.com in the process of manufacturing after many

interturn voltage test and impact resistance of pressure test,and adopts advanced vacuum pressure impregnation process without solvent paint,motor adopts class F insulation structure,according to the assessment of class B temperature,bearing a rolling bearing and sliding bearing two types,depends on the motor power size and speed,can also according to the requirements of the users.According to the order required to provide other voltage,frequency and degree of protection of motor.This series of

medium-sized high-voltage motor has high efficiency and energy saving,low noise,little

vibration,reliable operation,easy installation and maintenance,etc.Y series high voltage motor is suitable for driving various kinds of general electric machinery such as fan,compressor,water pump,crusher,cutting machine,transportation machinery and other equipment,in mining,mechanical

industry,petroleum chemical industry,power plants and other industries as a prime mover,used to drive

a blower,coal mill,rolling mill,hoist induction motor motor should be indicated when ordering purposes and technical requirements,the use of special design to ensure reliable motor running.

Vice winding single-phase electric machine Lord judge method

Vice winding single-phase electric machine Lord in manufacturing,the basic follow the winding impedance is small,the principle of three phase generator impedance is bigger and vice winding.This helps prolong capacitor discharge time,enhancing the effect of phase shift capacitor.The first step is to use a multimeter find resistance from three fuses the two largest root lead,remaining a lead is the deputy winding is connected to the public end.As shown above in the largest lead resistance between a and c,b is lead the public end.Motor vehicle In the second step,using a multimeter measure public end and the other two root,the resistance between the lead connection at the end with the larger one of the lead resistance Between the winding is acmotor2.blogspot.com winding.Connection between smaller a lead winding is the main winding.As shown in figure in the BC lead the resistance between the larger,lead c is vice winding wire.Between ab resistance is small,the lead is a main winding wire.

high performance single phase electric motor ML motor

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the 182 h. p. 2.4 re four pump associated with a 15 hewlett packard utility lines auto. This

mix is the reason for"Ecologically" Name, And although it is far from fully a cross by itself,

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China Electric Induction Motor off IE2 Efficiency

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