Products

dc motor drive for rolling mill aplication

Sprint Electric Industry Metal Processing Applications

Sprint Electric’s high power 4 quadrant DC Drives provide exceptional motor control up to 980kW in rolling mill applications. Rolling mills are used to reduce the gauge or change the shape of metal, mills can be hot or cold roll. Hot roll mills heat up the metal to a high temperature so that shaping and forming can be easily accomplished.

More

Steel Rolling Mills: which is more efficient using DC or

Dec 13, 2019· Joined: 12/23/2015. Last visit: 11/28/2020. Posts: 13. Rating: (1) Dears, for steel rolling mill application, what is more energy efficient system ?? 1- DC Motor + SINAMICS DCM Drive

More

DC Motors Siemens Electric Motors SIMOTICS India

DC motors SIMOTICS DC have a compact and modular design and can be used in difficult installation conditions. An extensive range of attachments is available as well as a variety of monitoring and diagnostic options. Application areas Lift and cable car drives Rolling mill drives and winders

More

Motors for rolling mills Up to 25 MW, 13.8 kV

Motors for rolling mills and other industrial applications. Up to 25 MW, 13.8 kV. German manufacturer since 1927. Reference projects worldwide. Read more!

More

DC Drives Used In Hot Rolling Mill YouTube

Mar 09, 2011· DC Drives used in hot steel rolling mill application in Thailand

More

(PDF) Advanced Control Techniques for Rolling Mills

Each rolling stand is driven by a DC motor, which is equipped with a speed controller. Usually the two DC motors are separately controlled; i.e. each servo drive acts only on its motor, by

More

(PDF) 'Application of AC motors and drives in steel industries

application in a continuo us rolling mill. A single line. diagram of the rectifier inverter system is shown in Fig 3. VI. Now we are replacing DC motors/drives by TEFC (totally enclosed fan

More

Optimizing DC drive Bar rolling application Electric

Optimizing DC drive Bar rolling application Optimizing DC drive Bar rolling application mash98 (Electrical) (OP) 17 Mar 13 00:32. We have a bar rolling mill where a dc motor of following specs is being used while the drive for the same is Mentor II (M1850). General Electric Direct current motor No. 2321820 Type MCF HP 1250

More

Applications of DC Machines Motors and Generators

The examples of usage of compound motors are in Presses, Shears, Conveyors, Elevators, Rolling Mills, Heavy Planners, etc. The small DC machines whose ratings are in fractional kilowatt are mainly used as control device such in techno generators for speed sensing and in servo motors

More

12 Basic Motor Types Used For Industrial Electric Drives EEP

Jul 04, 2020· 7. Slip Ring Induction Motor. It has high starting torque and large overload capacity. The speed of slip ring induction motor can be changed up to 50% of its normal speed. Slip ring induction motor is used for those industrial drives which require high starting torque and speed control such as lifts, pumps, winding machines, printing presses, line shafts, elevators and compressors etc.

More

Sprint Electric Industry Metal Processing Applications

Sprint Electric’s high power 4 quadrant DC Drives provide exceptional motor control up to 980kW in rolling mill applications. Rolling mills are used to reduce the gauge or change the shape of metal, mills can be hot or cold roll. Hot roll mills heat up the metal to a high temperature so that shaping and forming can be easily accomplished.

More

Steel Rolling Mills: which is more efficient using DC or

Dec 13, 2019· Joined: 12/23/2015. Last visit: 11/28/2020. Posts: 13. Rating: (1) Dears, for steel rolling mill application, what is more energy efficient system ?? 1- DC Motor + SINAMICS DCM Drive

More

US3683653A Motor drive system for rolling mill Google

1. A drive system for a rolling mill comprising a pair of engaging working rolls having an interface through which a strip to be rolled passes, and a pair of backup rolls, each backup roll engaging its associated working roll on opposite sides of said interface and being rotatably driven with the working roll, said system comprising: a. a pair of motors for driving the working and backup rolls

More

(PDF) Advanced Control Techniques for Rolling Mills

Each rolling stand is driven by a DC motor, which is equipped with a speed controller. Usually the two DC motors are separately controlled; i.e. each servo drive acts only on its motor, by

More

Rolling mills SlideShare

Jul 20, 2016· Dc drives o DC drives have been used successfully in rolling mill applications for many years o Rolling mill DC motors are best at low speed, high torque application. o easy to operate & compact o Superior functionality o Efficient power output 8.

More

DMI DC motors for peak performance Metals Industry

ABB has provided DC motors, drive products and systems for more than 120 years to custom-ers in different industries. ABB’s vast experience in DC technology, combined with its long experi-ence in the metals industry results in innovative drive solutions with superior performance, less maintenance, high mechanical adaptability and reliability.

More

F60036 on SINAMICS DCM Entries Forum Industry

Dec 23, 2011· Dear Expert,1200Amp SINAMICS DCM drive is used for 874Amp motor for rolling mill application. For load condition drives working ok but when drive operate on noload condition drive trip with F60036 and Fault code 1 (r949). Someone can Help me about this fa

More

Industrial Drives and Applications EEENotes2U

A field of Electrical Engineering that deals with the application of power semiconductor devices for the control and conversion of electric power. Electrical drives that use AC motors as the prime mover. DC Drive Rolling mill drives, cement mill drives, paper mill dries and textile mill drives.

More

What are applications of DC motors? Quora

1. D.C Shunt Motors: It is a constant speed motor.Where the speed is required to remain almost constant from noload to full load.Where the load has to be driven at a number of speeds and any one of which is nearly constant. Industrial use: * Lat...

More

ELECTRICAL DRIVES & CONTROL

4.2 EXPRESSION FOR SPEED FOR A DC MOTOR 62 4.3 Applications of DC Drives 62 4.4 Advantages of DC Drives 62 4.5 Conventional Methods of Speed Control 63 4.5.1 Speed control of DC Shunt Motors 63 4.5.2 Speed control of DC Series Motors 64 4.5.3 Ward Leonard Control System 65 4.6 Solid state Speed Control of DC Motor 66

More

Teco-Westinghouse Custom DC Motors

Rolling Mill Motors Used in the steel and aluminum industries, rolling mill motors generally operate at low speeds and are designed for constant torque with a speed range of up to four to one. Some applications include continuous cold mills, continuous hot strip mills, and reversing hot mills.

More

PRODUCTS Encompass Electronics Pvt Ltd

High Power(100-250 KW)DC drive power panels for steel rolling mill aplication . DC drive control panel with its control pendent is suitable to power. up to 250 KW DC motor drive in closed loop control using a 6 pulse. fully controlled SCR bridge.Feedback can be Voltage Feed back or. Taco feedback and power output up to a maximum rating of about

More

100 Most Important MCQ on Electric Drive Industrial

Aug 20, 2020· Ward Leonard controlled dc motors. Explanation: Ward Leonard Speed Control. The Ward-Leonard system consists of a fixed speed 3-phase AC induction motor driving by separately excited DC generator that, in turn, feeds a variable voltage to a shunt wound DC motor. So this is essentially a DC variable speed drive.

More

Motor

Special Application Motor Our range of motors for special applicationsinclude Double Cage Motor for Cement Mill, GD Series Brake Motor, Oil Well Pump Motor and Re-rolling Mill motor. Business in over 25 countries Offices open 7 days a week Executives available 24/7

More