dc motor drive for rolling mill aplication

Selecting Inching Drives for Mill and Kiln ApplicationsThe inching drive, also known as a barring or auxiliary drive, is an important component of any mill or kiln installation It is used for maintenance and inspection purposes, as well as an emergency auxiliary drive to keep kilns rotating when the main motor fails.12 Basic Motor Types Used For Industrial Electric Drives4/7/2020· However, electric drive system has two inherent disadvantages It comes to stop as soon as there is failure of electric supply and It cannot be used at far off places which are not served by electric supply However, the above two disadvantages can be overcome by installing diesel driven DC generators and turbine driven 3 phase alternators which can be used either in the absence of or on.Applications of DC Motor [ Series, Shunt & CompoundApplication of DC Compound motor ⇒ By compound motor, we get high starting torque and nearly constant speed Because of that Compound motors are used where we require high starting torque and constant speed ⇒ A compound motor is used in Presses, Shears, Conveyors, Elevators, Rolling Mills, Heavy Planners, etc.Drive SystemsAn induction motor fed by GE's MV7000 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 customers.Applications of controlled DC drives1/10/1974· A typical drive for a continuous mill producing steel rod would be rated at 500 kW per stand and having a dynamic response such that the speed deviation on application of full load would be less than 1% and the recovery time of the order of 100 milliseconds.TechDears,for steel rolling mill application, what is more energy efficient system ?? 1 DC Motor + SINAMICS DCM Drive 2 AC Induction Motor 690V + SINAMICS S120 including smart line moduleThank you in advanceMohammad Abusharkh.Which motors are used in home appliances?I have seen every type of electric motor I’ve ever heard of in home applianc Induction motors, synchronous motors, hub motors, variable speed three phase motors, DC motors, brushless motors, and even wax motors Engineers choose a motor based o.Drive SystemsAn induction motor fed by GE's MV7000 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 customers.2019 Bifurcation and chaos for electromechanical coupling torsional vibration in rolling mill system driven by DC motorThe main drive system of rolling mill usually consists of motor, universal couplings and rollers The method of lumped mass is adopted to abstract the r olling mill main drive system driven by DC synchronous motor into a two mass relative rotation model.Drives & MotorsEach drive configuration tool provides an interface for easy programming, maintenance, and operation of your PowerFlex drive Studio 5000 Logix Designer With Studio 5000 Logix Designer® you can experience Premier Integration, the exclusive experience of integrating Allen Bradley motor control devices into the Allen Bradley Logix control platform.

2019 Bifurcation and chaos for electromechanical coupling torsional vibration in rolling mill system driven by DC motor

The main drive system of rolling mill usually consists of motor, universal couplings and rollers The method of lumped mass is adopted to abstract the r olling mill main drive system driven by DC synchronous motor into a two mass relative rotation model.

Control EngineeringA dc motor and drive configuration was the only variable speed motor option for a long time and the components are developed and proven Even now, dc motors are popular in variable speed, fractional horsepower applications and are useful in low speed applications because they can provide full torque at low speed and constant torque across a wide range of industrial motor speeds.Rolling MillA Hille 100 rolling mill with rolls of 225 mm diameter and 254 mm length, driven by a variable speed DC motor of 75 horse power, was used The maximum rolling force, torque and speed are 1500kN, 13kN m and 70 rpm respectively The sensor roll nitrided.Applications of controlled DC drives1/10/1974· A typical drive for a continuous mill producing steel rod would be rated at 500 kW per stand and having a dynamic response such that the speed deviation on application of full load would be less than 1% and the recovery time of the order of 100 milliseconds.Gearless Drivesdrive for a 38 foot SAG mill located at the company’s Grasberg plant in Indonesia This gearless drive pro vides an astonishing 20,400 kW of power In 1998, Siemens supplied the first gearless drive for a 40 foot SAG mill at the Cadia Hill Mine in Australia.Gearless mill drivesOur GMD eliminates all mechanical components of a conventional mill drive system, such as ring gear, 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.Applications of DC Motor [ Series, Shunt & CompoundApplication of DC Compound motor ⇒ By compound motor, we get high starting torque and nearly constant speed Because of that Compound motors are used where we require high starting torque and constant speed ⇒ A compound motor is used in Presses, Shears, Conveyors, Elevators, Rolling Mills, Heavy Planners, etc.Page 1 of 3 DC Motors speed synchronization for rolling millsPage 1 of 3 DC Motors speed synchronization for rolling mills The project aims at designing a system which is capable of synchronizing the speed of the slave motor (motor 2) with the master motor (motor 1) This system finds very useful in paper mills, steel.What is Plugging or Reverse Current BrakingIf the motor is not disconnected from the supply mains, the motor will speed up in the reverse direction For disconnecting the supply, centrifugal switches are used The method of braking, known as Plugging or Reverse Current Braking is a highly insufficient method because, in addition to the power supplied by the load, power supplied by the source is also wasted in resistance.Which motor is used in rolling mills?Raymond is quite right However, I’d like to add that often large induction machines are used with variable frequency drives (VFDs) these days, they have similar speed control, smaller footprint and lower operating costs than machines with slip ri.Gearless Drivesdrive for a 38 foot SAG mill located at the company’s Grasberg plant in Indonesia This gearless drive pro vides an astonishing 20,400 kW of power In 1998, Siemens supplied the first gearless drive for a 40 foot SAG mill at the Cadia Hill Mine in Australia.Steel Mill Drive Motor » K&N ElectricMotor and Generator Projects Fabrication Projects Crane Projects Photo Gallery Resources Technical Documents Steel Mill Drive Motor Back to Metal 3500 HP DC Motor.Control Engineering8/2/2017· A dc motor and drive configuration was the only variable speed motor option for a long time and the components are developed and proven Even now, dc motors are popular in variable speed, fractional horsepower applications and are useful in low speed applications because they can provide full torque at low speed and constant torque across a wide range of industrial motor speeds.Gearless mill drivesOur GMD eliminates all mechanical components of a conventional mill drive system, such as ring gear, 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.