Chat Online

click to chat

QUALITY DIFFERENTIATES OUR BRAND

Different Machines to Meet All Needs

  • Wound Rotor Repair Tips Testing Application and Failure

    wound rotor motor is that the resistance of the rotor circuit can be externally varied to provide either variable resis tance in the case of a liquid rheostat or steps when a series of external resistors of fixed resistance are used to maximize the torque to suit a particular application.

    Chat Online
  • 220 2500 kw wound rotor motor

    Slip Ring Motor Standard Features High Power Asynchronous Slip Ring Induction Motor Output 220 up to 2 500 kW Voltage 380 up to 13 800 V Frequency 50 / 60 Hz Poles 2

    Chat Online
  • UNIT 3

    1 Squirrel cage rotor 2 Wound rotor Squirrel Cage Rotor In the squirrel cage rotor the rotor winding consists of single copper or aluminium bars placed in the slots and short circuited by end rings on both sides of the rotor Most of single phase induction motors have Squirrel Cage rotor One or 2 fans are

    Chat Online
  • Why wound rotor construction is adopted

    17 01 2020  A three phase wound rotor induction motor consists of a stator core with a three phase winding a wound rotor with slip rings brushes and brush holders and two end shields to house the bearings that support the rotor shaft ills 1 2 3 and 4 show the basic parts of a three phase wound rotor induction motor.

    Chat Online
  • wound rotor motor mill drives

    wound rotor motor mill drives vakantievillavaucluse ball mill drive motor choices Artec Machine Systems ball mills the starting torque restrictions of some of the newer mill drive Drive 1 A 5000 HP 1200 rpm wound rotor motor with liquid rheostat and power factor Get Price.

    Chat Online
  • SAG Mill Components

    18 04 2018  If the mill requires approximately 6000 horsepower or less it is possible to drive it with a single pinion To date however economics has dictated that most mills over 3500 horsepower be driven with two pinions using wound rotor motors driving thru speed reducers.

    Chat Online
  • Hammermills Infeed Conveyer Systems for Conveyor

    A liquid rheostat limits the motor current while providing high torque The ACLR rheostat has a unique algorithm that maximizes the motor speed while limiting the current The Adjustable Current Liquid Rheostat ACLR in conjunction with a wound rotor motor can start and/or control the current and speed of

    Chat Online
  • Wound Rotor Motor Mill Drives

    Wound Rotor Motor Mill Drives Wound rotor motor Wikipedia So we are able to control the speed of this type of motor easily A wound rotor motor can be used in several forms of adjustable speed drive Certain types of variable speed drives recover slip frequency power from the rotor circuit and feed it

    Chat Online
  • Induction motors

    01 06 2015  Wound rotor induction motors are used in applications of certain types of pump in mine hoists mills and applications where speed reduction is required in the drive application Stator coil arrangement The schematic in Fig 3 illustrates the relationship between the stator coils The coils operate in pairs.

    Chat Online
  • Three Phase Wound Rotor Induction Motor

    Wound Rotor Slip Ring Induction Motors This type of motor is identical to a squirrel cage induction motor except for the rotor which consists of a symmetrical three phase winding The three terminals are connected to

    Chat Online
  • electric machine

    25 10 2019  On a Wound Rotor Induction Motor the rotor windings are separate phases so the output is indeed 3 phase If you look at the circuit below for a slip recovery system for a Wound Rotor Induction Motor you will see that Share Cite Follow answered Oct 28 19 at 21 36 JRaef

    Chat Online
  • Steady state torque optimal operating point control for

    Control for Wound Rotor Synchronous Motors David Uzel Zdeněk Peroutka The Regional Innovation Centre for Electrical Engineering RICE University of West Bohemia Pilsen Czech Republic duzel rice.zcu pero rice.zcu Abstract loop estimator see 10 where several

    Chat Online
  • Types of AC Motors Wound Squirrel cage Reluctance

    15 06 2021  Types of AC Motors Wound Squirrel cage Reluctance Hysteresis more An AC motor requires an AC input to produce a rotating magnetic field This field interacts with rotor conductors and makes it rotate with the stator field The two main types of AC motors are Induction motors and Synchronous motors.

    Chat Online
  • wound rotor motor mill drives

    Wound Rotor Motor Mill Drives factjeugdnoord Wound Rotor Motor Mill Drives A wrim is a type of induction motor with unique construction in the cement and mining industry for starting and driving large grinding mills in fact until about 1985 a wound rotor induction motor was the motors on grinding mills slip power recovery drives have been applied in other industries such as in

    Chat Online
  • AUTOMATIC ON LINE OPTIMIZATION OF AC WOUND MOTOR S ROTOR

    1 AUTOMATIC ON LINE OPTIMIZATION OF AC WOUND MOTOR S ROTOR RESISTORS IN ADVANCED INDUSTRIAL CRANE CONTROLLER Fetah Kolonic 1 Alojz Slutej 2 Alen Poljugan 1 1 Faculty of Electrical Engineering and Computing HR 10000 Zagreb Croatia tel./fax 385 1 6129 824/ e mail fetah.kolonic fer.hr alen.poljugan fer.hr

    Chat Online
  • Types of AC Motors Construction Parts Working Principle

    02 07 2020  Phase wound motor or wound motor or slip ring motor 1 Induction Motors An induction motor also known as an asynchronous motor is a commonly employed as AC electric motor In this motor the electric current in the rotor required to produce torque is achieved through electromagnetic induction from the rotating magnetic field of the stator

    Chat Online
  • Changing wound rotor drive with VFD

    29 01 2009  I cannot see clearly the ratings for these motor s but they look like wound rotor motors I cannot be sure what speed is shown on the name plate Can you say what type of load or machine these motors are driving This is important because these motors are often fitted to machines which need a high starting torque.

    Chat Online
  • Wound rotor motor

    08 02 2015  The induction motor is fundamentally a transformer in which the stator is the primary and the rotor is short circuited secondary This is evident particularly hen the rotor is stationary The rotor current establishes a flux which opposes and therefore tends to weaken the stator flux.

    Chat Online
  • Use of wound rotor motor with VFD

    14 08 2003  William Hinton Sr Electrical Engineer Nov 14 2002 #2 Wound rotor motors typically are high torque high slip motors They have starting torque ratings about double standard motors and VFDs typically limit the starting current and torque Older motors may not stand up to the high voltage spikes generated by the switching devices in the VFD.

    Chat Online
  • Wound Rotor Motor

    Wound Rotor Motor General Parameters Output 200 2 500 kW Voltage 380 13 800 V Frequency 50 / 60 Hz Poles 2 up to 12 Poles

    Chat Online
  • Solved A wound rotor induction motor is preferred as

    A wound rotor induction motor is preferred over squirrel cage induction motor when the major consideration involved is Wound rotor and squirrel cage motors with high slip which develop maximumtorque at stand still are used for Belted wound rotor induction motors are preferred for

    Chat Online
  • All About Induction Motors

    11 09 2021  The rotor s attributes are dependent upon the type of induction motor squirrel cage 3 phase wound etc but in all cases the electromagnetic field EMF generated in the stator induces an opposing EMF in the rotor and therefore creates rotational energy from electromagnetic induction.

    Chat Online
  • wound rotor motor mill drives

    Wound Rotor Motor Mill Drives factjeugdnoordnl Wound Rotor Motor Mill Drives A wrim is a type of induction motor with unique construction in the cement and mining industry for starting and driving large grinding mills in fact until about 1985 a wound rotor induction motor was the motors on grinding mills slip power recovery drives have been applied in other industries such as in

    Chat Online
  • PDF Comparison between Wound Rotor Induction Motor and

    Half load performance of Doubly fed induction motor under omission and fig.9 we can see that during half load condition speed was fault Injection at t=10sec set at 120 rad/sec and after the gain fault injection it increases to 150 rad/sec and the current level increases up from 100 to 200 amperes and torque increases from 40 to 150 NM in Doubly fed induction motor while in wound rotor

    Chat Online
  • wound rotor motor

    04 01 2004  Dec 19 2003 #1 In one of our crane application where wound rotor motor has been used Motor has rotor conected in delta and external resistance is connected in star to the rotor Rotor resistance is cut through contactors but in a particular case single phasing is done in rotor ckt one phase open It is definately to reduce the torque.

    Chat Online
  • EET2233

    WOUND ROTOR INDUCTION MOTORS The purpose of this experiment is 1 To perform a load test on a wound rotor induction motor and document the effect added rotor resistance has on a 3 phase induction motor s torque regulation slip and efficiency PROCEDURE 1.

    Chat Online
  • Wound Rotor Induction Motors

    14 09 2021  Wound Rotor Induction Motors A wound rotor induction motor has a stator like a squirrel cage induction motor but a rotor with insulated windings brought out via slip rings and brushes However no power is applied to the slip rings Their sole purpose is to allow resistance to be placed in series with the rotor windings while starting figure

    Chat Online
  • Types of DC Motors Parts Working Application PDF

    03 08 2021  1 Shunt Wound Motor A DC shunt motor also known as a shunt wound DC motor is a type of self excited DC motor where field winding is shaken or connected parallel to the armature winding of the motor Because they are connected in parallel the armature and

    Chat Online
  • Selection Of Crane Duty Motors Part 2

    30 04 2019  Following two types of motors are widely used for crane duty applications Squirrel Cage Crane Duty Motors Slip ring and Wound Rotor Crane Duty Motors The crane motors are duty type rated for developing high starting torque with low starting current The motors are designed to withstand stresses due to frequent starts/stops and reversals.

    Chat Online
  • Through The Scope Your Introduction To Watch Movement

    19 03 2021  The Rotor The rotor is a key component in an automatic movement One can say that it is the very life of it The rotor is a semi circle structure that is attached to the movement and can move freely up to 360 degrees The rotor is attached to the mainspring via a series of gears As the rotor moves it automatically winds the mainspring.

    Chat Online
  • Yzr 1.5kw 132kw 6 Poles 980 Rpmen European Norm Complete

    Yzr 1.5kw 132kw 6 Poles 980 Rpmen European Norm Complete Copper Coil Wound Rotor Metallurgical Smelting Hoisting Machinery Motor Electric motor manufacturers

    Chat Online
  • Applications of Induction Motor

    The Polyphase Induction Motor is a motor whose stator contains a number of windings They are greater than one horsepower or one kilowatt The National Electrical Manufacturers Association NEMA has specified the motors according to the various classes which are discussed below in detail There are various applications of Polyphase wound rotor induction motors Polyphase cage induction motors.

    Chat Online
  • Special Application Motors

    02 01 2021  Special Application MotorsPart 1 Wound Rotor Many industrial applications require three phase motors to oper ate at variable speeds The basi c three phase induction squirrel cage motor is a constant speed motor However using starting resistors connected to a three phase wound rotor circuit can

    Chat Online
  • Wound Rotor Induction Motors

    Anhui Wannan Electric Machine Company has dedicated in maunfacturing industrial motors production for the last 60 years Our products cover High efficiency motor High voltage motor Explosion proof motor DC motor and derivative series motors welcome to contact us young wnmotor

    Chat Online
  • DYNAMIC SIMULATION OF STARTING AND CHOPPER SPEED

    Although a wound rotor motor costs more than a squirrel cage one it offers many advantages the wye connected rheostat with a common lever provides speed control torque adjustment at locked rotor and current limiting during starting and acceleration Wildi 2006 Recently many articles about the wound rotor induction motor are published.

    Chat Online
  • Types of Induction Motor MCQ Free PDF

    A wound rotor motor also known as slip ring rotor motor is a type of induction motor where the rotor windings are connected through slip rings to external resistance Adjusting the resistance allows control of the speed/torque characteristic of the motor Wound rotor motors can be started with low inrush current by inserting high resistance

    Chat Online
  • Universal motor

    The universal motor is a type of electric motor that can operate on either AC or DC power and uses an electromagnet as its stator to create its magnetic field It is a commutated series wound motor where the stator s field coils are connected in series with the rotor windings through a commutator is often referred to as an AC series motor The universal motor is very similar to a DC series

    Chat Online
  • YR560 6 1120 kW 1500 HP 400 V Low Voltage Wound Rotor Slip

    1 PC YR560 6 1120 kW 1500 HP 400 V Low Voltage Wound Rotor Slip Ring Motor for steel rolling mill was shipped for Karachi Pakistan on Aug 1st 2019 Main Parameter for YR560 6 1120 kW 1500 HP Wound Rotor Slip Ring Motor

    Chat Online
  • Slip Ring Motor MCQ Free PDF

    Brush friction or contact losses in wound rotor induction motor Generally in a slip ring or wound rotor induction motor the three terminals of the star connected rotor windings are brought out and are connected to external resistors through the slip rings and brush arrangement mounted on the shaft Brushes sliding on the slip rings are used for making the connection of rotor windings with

    Chat Online
  • vfd on slip ring wound rotor motors

    07 02 2008  vfd on slip ring wound rotor motorsposted in Variable Speed Drives I am involved in converting a ball mill which requires a large amount of starting torque from a slip ring motor driven application to a vfd driven appl We have sent the motor to our motor guy to refurbish and interconnect the rotor windings.Is there any advice or similar applications out there that could be helpful.

    Chat Online
  • Speed Control Of Wound Rotor Induction Motor Using Rotor

    Polyphase induction motors are mainly of two types by construction squirrel cage and wound rotor with slip rings In the case of a squirrel cage induction motor the rotor is inaccessible and rotor circuit resistance is xed whereas the wound rotor machines are provided with slip rings by which additional resistance can be connected in series

    Chat Online
  • Maintenance Schedule Checklist for GE PC Motors

    11 07 2017  Wound Rotors only No rotor bars for field Wound Rotors only Shaft coupling Total 3 or 6 terminals3 for stator and 3 for cutters grinding mill motors etc Rotor have Commutators carbon brushes always Excitation control The speed of the A.C motor is controlled by varying GE Energy

    Chat Online