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synchronous motor for mill drive advantages

Dec , so at say speed, of the motor rated power is returned from the rotor to the supply at a hypersynchronous speed, the ser drive feeds power into the motor rotor allowing it to run faster than synchronous speed so for a fixed torque and higher speed, the power obtained from the motor is higher than the motor nameplate rating

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Synchronous Motor   an overview   ScienceDirect Topics

Synchronous Motor an overview ScienceDirect Topics

Synchronous motors synchronous motors have definite advantages in some applications they are the obvious choice to drive large, lowspeed reciprocating compressors and similar equipment requiring motor speeds below rpm they are also useful on many large, highspeed drives

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Large AC Adjustable Speed Motors for Metals Rolling Mills

Large AC Adjustable Speed Motors for Metals Rolling Mills

Synchronous motor induction motor synchronous motor induction motor size of indicates quantity of motors introduction ac adjustablespeed motor drive systems have been established as the preferred technology for new rolling mill installations and extensive modernization projects the ac adjustablespeed motor drive system provides metals mills

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Mill drive selection for semiautogenous grinding mills

Mill drive selection for semiautogenous grinding mills

Two secondary ac synchronized motor coupled to a gear mill, million ball mills, x drive with an air clutch motor, , d primary sag, x two vafiable speed dc motors coupled mill, million , to a gear drive with air clutches motor, million each

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Cement Mill Process   Requirement of Mill Motors   Kiln

Cement Mill Process Requirement of Mill Motors Kiln

A cycloconverter fed synchronous motor meets the requirements of a drive motor the salient features of this system are the drive can be controlled to have an excellent dynamic behaviour with fast regenerative reversal the converter can be used for synchronous starting by varying the frequency with smooth acceleration up to desired speed

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synchronous motors with clutches for mill

synchronous motors with clutches for mill

Synchronous motor for mill drive advantages synchronous motors with clutches for mill advantages of gearless drives on ball mills synchronous motor for mill drive advantagesinduction motors like gearless get price mills are synchronous machine or asynchroncakekraft

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Ward Leonard Method of Speed Control   Ward Leonard

Ward Leonard Method of Speed Control Ward Leonard

Therefore, a slipring induction motor is preferred over the synchronous when the load is intermittent and particularly when the drive capacity is large as explained above, the ward leonard method of speed control has a number of advantages

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Drive Systems   Metal Solutions   GE Power Conversion

Drive Systems Metal Solutions GE Power Conversion

An induction motor fed by ges mv medium voltage drive is one of the latest solutions designed and offered by ge for all rolling mill applications as the induction motor provides more availability, reliability, lower maintenance and reduced electrical distribution equipment, this solution can contribute to significant savings for our

Get Price
100 Most Important MCQ on Electric Drive   Industrial

100 Most Important MCQ on Electric Drive Industrial

Aug , a cycloconverter fed synchronous motor meets the requirements of a drive motor the salient features of this system are the drive can be controlled to have an excellent dynamic behavior with the fast regenerative reversal the converter can be used for synchronous starting by varying the frequency with smooth acceleration up to desired speed

Get Price
TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

For the mill bearings, the mechanical mill brake control and the visualization of all parts of the drive system figure shows a picture of a ringmotor used in copper concentrators the poles of the rotor are directly mounted on the surface of the mill flange typically, the synchronous motors used in sag mills have a power higher than mw

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STEPPING FORWARD  USING VARIABLE SPEED DRIVES

STEPPING FORWARD USING VARIABLE SPEED DRIVES

After which everything is ready to drive the mill efficiency of the motor itself is higher than the synchronous motor compared with the low speed solution, variable speed offers inherent advantages the grinding process because it is a parameter that for

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Motors   Power Conversion

Motors Power Conversion

Synchronous motors ge offers a full range of horizontal and vertical synchronous motors, ranging from directdrive high torque density motors at speeds as low as rpm to turbotype motors for compressor applications we can rapidly adapt our standard product platforms to cater for many applications or any purposed starting methods, including

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What are the advantages and disadvantages of synchronous

What are the advantages and disadvantages of synchronous

Aug , the synchronous motor can adjust the voltage and current phase of the input side by excitation, the power factor the power factor of asynchronous motor is adjustable, generally between to , so in some large factories, application of asynchronous motor is large, can be added a synchronous motor for condenser, used to adjust the plant

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Increasing Availability through Advanced Gearless Drive

Increasing Availability through Advanced Gearless Drive

Gearless mill drive gmd systems are characterized by having the motor wrapped around the mill like a ring for this reason they are often referred to as ring motors the rotor poles are attached directly to the mill head flange, and hence the rotor becomes an integral part of the mill, as shown in fig

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The advantages of the synchronous reluctance motor   EE

The advantages of the synchronous reluctance motor EE

Pm motors have magnets mounted on the surface of, or embedded into, the rotor further, unlike the asynchronous induction motor where the rotor slips iE has a lower rotational frequency than the magnetic field driving it, the pm motor is synchronous, meaning the rotor rotates in synchronisation with the magnetic field

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Synchronous Motor Drives   Electrical4U

Synchronous Motor Drives Electrical4U

Oct , now before knowing, how the synchronous motors are started, we should know why they are not self started the answer can be given as, when phase supply is given to the stator, there is a rotating magnetic flux which rotates at synchronous speed, and if the rotor is also given dc supply, rotor acts as a magnetic flux which rotates at synchronous speed, and if the rotor is also given dc

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Synchronous reluctance motors   Process performance motors

Synchronous reluctance motors Process performance motors

Synchronous reluctance motordrive package for machine builders high performance for ultimate machine design english pdf brochure mblmbtmbpmgpmhp to spare parts, multilingual german, english, spanish, finnish, french, italian, russian, swedish pdf list

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Synchronous Motor   Construction  Principle  Types

Synchronous Motor Construction Principle Types

Synchronous motors are generally used for low speed, high power loads synchronous motors are generally used in air and gas compressors and vacuum pumps synchronous motors also find their application in crushers, mills and grinders they are also used in exhausters, fans, and blowers advantages of synchronous motor

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rive Considerations for Textile Industry   Normal Motor

rive Considerations for Textile Industry Normal Motor

The drive motor should be capable of working in high ambient temperatures the motor must be totally enclosed, with a clean floor construction this is to prevent the cotton fluff from getting deposited on the motor surface, which may lead to poor cooling of the motor as well as burning of fluff due to motor

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Synchronous Motors   ACI Controls

Synchronous Motors ACI Controls

Synchronous motors applications weg synchronous motors are specially designed and manufactured to meet the requirements of each application due to their construction features, operation with high performance and adaptability to all types of environment, they can be used in all industry sectors synchronous motors sef exp, , kw

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Drive Systems   Metal Solutions   GE Power Conversion

Drive Systems Metal Solutions GE Power Conversion

An induction motor fed by ges mv medium voltage drive is one of the latest solutions designed and offered by ge for all rolling mill applications as the induction motor provides more availability, reliability, lower maintenance and reduced electrical distribution equipment, this solution can contribute to significant savings for our

Get Price
What is the advantage of a synchronous motor    Quora

What is the advantage of a synchronous motor Quora

What is synchronous motor synchronous motor is an ac motor that generates a torque by a dcpowered excitation magnetic field that interacts with a rotating magnetic field of the armature to rotate at a synchronous speed the structure of the synch

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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

For the mill bearings, the mechanical mill brake control and the visualization of all parts of the drive system figure shows a picture of a ringmotor used in copper concentrators the poles of the rotor are directly mounted on the surface of the mill flange typically, the synchronous motors used in sag mills have a power higher than mw

Get Price
Increasing availability through advanced Gearless Drive

Increasing availability through advanced Gearless Drive

When using a motor without bearings, the whole drive system only has two pulley bearings and no couplings versus conventional design which requires twelve bearings and two couplings figure a lowspeed synchronous motor with bearings would need two additional bearings and a large coupling between the motor and drive pulley

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Learning Objectives SYNCHRONOUS

Learning Objectives SYNCHRONOUS

A synchronous motor fig is electrically identical with an alternator or aC generator in fact, a given synchronous machine may be used, at least theoretically, as an alternator, when driven mechanically or as a motor, when driven electrically, just as in the case of dC machines

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What are the advantages and disadvantages of synchronus

What are the advantages and disadvantages of synchronus

Jun , synchronous motors are rarely used in industries for drive applications they are generally used as power factor correction device and for drives which requires constant speed manufacturing cost is generally more than induction motor these motor

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100 Most Important MCQ on Electric Drive   Industrial

100 Most Important MCQ on Electric Drive Industrial

Aug , advantages of group driver electric drive saving in the initial cost one kw motor costs much less than ten kw motors required to drive separate machined high efficiencythe efficiency and power factor of a large group drive motor will be higher, provided it

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Gearless mill drives   Grinding   ABB

Gearless mill drives Grinding ABB

Our gmd eliminates all mechanical components of a conventional mill drive system, such as ringgear, pinion, gearbox, coupling, motor shaft and motor bearings by mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor

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 PDF  Evaluation of synchronous motors on grinding mills

PDF Evaluation of synchronous motors on grinding mills

Both in motor efficiency and in low base speed configurations the synchronous motor has advantages of lower current and higher efficiency this article reviews various mill drive

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Advantages   Application of Synchronous Motor   your

Advantages Application of Synchronous Motor your

The advantages and disadvantages of the synchronous motor are as under advantages of synchronous motor it can be operated under a wide range of power factors, both lagging and leading hence, it can be used for power factor correction, in addition to supplying torque to drive loads most synchronous motors are rated between kw and

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Synchronous Motors   Electric machine

Synchronous Motors Electric machine

Advantages higher efficiency synchronous motors have a unique and merited position as the most efficient electrical drive in the industry and are often more efficient than induction motors power factor correction synchronous motors can operate at leading power factors, providing vars to the power system, reducing

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synchronous motor for mill drive advantages

synchronous motor for mill drive advantages

Advantages disadvantages of synchronous motorssynchronous motors are rarely used in industries for drive applications they are generally used as power factor

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Advantages of SER drives for SAG mills   GoHz com

Advantages of SER drives for SAG mills GoHz com

Dec , so at say speed, of the motor rated power is returned from the rotor to the supply at a hypersynchronous speed, the ser drive feeds power into the motor rotor allowing it to run faster than synchronous speed so for a fixed torque and higher speed, the power obtained from the motor is higher than the motor nameplate rating

Get Price

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