wound rotor motor mill drives - sremachineries.in
Can a VFD run a woundrotor motor. Most woundrotor motors are used where high starting torque is required so an Altivar 312 Altivar 32 or Altivar 71 drive would be most suitable for this application The woundrotor motors use resistor to connect the rotor windings The resistance can be adjusted to control the speedtorque characteristis of the motor To use a variable
crusher motor rotor failure
mill drive failurewound rotor motor - MC World. Mouse mill motor - Wikipedia. It has similarities to both the synchronous motor and the contemporary stepper motor. As the mouse mill motor was simple to construct and its speed could easily be governed, it was later used to drive automatic recorders in telegraphy.
Sag Mill Syncronis Motor high axial vibration non drive ...
Set motor rotor on mag center and set the locking device Exciter- Correct the air gap This is the priority from a mechanical perspective. ... I did want the clutch changed in the early period of this vibration issue as it was common to both the motor and Sag Mill drive and high vibration was at both ends of the drive train. But informed nothing ...
Trickle current through VFD for heating the motors ...
That being said lots of plants don't use heaters of any kind, even water plants. That being said I have a customer with a 2000 HP, 360 RPM (do the math on that torque!)) wound rotor motor about 50 miles inland from Savannah. Sleeve bearings. It sits under a roof but it's pretty much open to the elements. They use heaters religiously.
Electric Drives for Large Ore Grinding Mills
Evaluation and Selection. Ore grinding mills are really just slowly rotating barrels, but barrels that are growing in size so fast that the application of electric drives for them is rapidly approaching a technology like that for wind tunnels or pumped storage drives. This application is particularly worthy of care because some 40% of the 75 ...
wound rotor motor mill drives - modevakcentrumcreatief.nl
wound rotor motor mill drives. CMP Paper 16.10.09 Final - ABB Download Center ... M.Sc., Sales Manager Ring-geared Mill Drives ... This paper focuses ... were based on the slip energy recovery system with a wound rotor motor or AC drives.
Motor / Electric motor | SEW-EURODRIVE
As a result, the rotor (and the attached motor shaft) rotate to follow the rotating magnetic field of the stator. The electric motor serves to apply the created rotary motion in order to drive a gear unit (as torque converter and speed variator) or to directly drive an application as line motor.
crusher motor rotor failure
mill drive failurewound rotor motor. mouse mill motor wikipedia it has similarities to both the synchronous motor and the contemporary stepper motor as the mouse mill motor was simple to construct and its speed could easily be governed it was later used to drive automatic recorders in telegraphy the name derives from the rotors resemblance to a ...
China 550kw Speed 980r/Min Wound Rotor Motor Ball Mill ...
China 550kw Speed 980r/Min Wound Rotor Motor Ball Mill Motor, Find details about China Jr Motor, Wound Rotor Motor from 550kw Speed 980r/Min Wound Rotor Motor Ball Mill Motor - ZCL Electric Motor Technology Co., Ltd.
TMdrive -10SPR Product Application Guide
Standard Drive & Induction Motor Slip Power Recovery Drive & Wound Rotor Motor Pump Load at Full Speed, shaft kW Pump load at 90% speed, shaft kW Utility supply power fl ow Power fl ow to motor stator Power fl ow to Slip power recovery drive Slip power recovery after transformer – P3 P1 P2 P4 P5 3730 kW (5,000 hp) 2720 kW 2980 kW 2863 kW 0 ...
wound rotor motor mill drives - energojc.cz
mill drive failurewound rotor motor MC World. BALL MILL DRIVE MOTOR CHOICES artecmachine the wound rotor motor was preferred In the late 1950s, when mills approached 2500 HP, the center drive mill arrangement with the enclosed geared drive using a highspeed synchronous motor became quite popular In more recent times the wound rotor motor with …
wound rotor motor mill drives - transferium-renesse.nl
The drive system hardware used for the wound rotor motor drive is the same as that used presently for, wound rotor motor mill drives; .... Máquina Mill Motor Starter LRS The 3mva motor is the main drive of the mill during, x 905 EGL SAG Mill with a 52MW Wound Rotor Induction Motor, Máquina Mill Motor Starter ....
All GE Motors catalogs and technical brochures
All GE Motors catalogs and technical brochures. MV7000 Flat Pack (FP) 16 Pages. Visor Remote Monitoring and Diagnostics. 5 Pages. Standard Industrial Motor Catalog. 211 Pages. Energy Saver - TEFC Severe Duty. 7 Pages.
Why It Is Used Wound Rotor Motor In Cement Mills
rotor use for motor cement ball mill - ibsmorgin Ball mills are predominantly used machines for grinding in the cement the optimisation of a ball mill circuit and, Mouse mill motor - Wikipedia Froment's "mouse mill" motor was an early form of electric motor,, The rotor of Ritchie's motor was the two ends of a single bar, .
wound rotor motor mill drives - kofferssamsonite.nl
mill drive failurewound rotor motorMC World. BALL MILL DRIVE MOTOR CHOICES - artec-machine. the wound rotor motor was preferred. In the late 1950s, when mills approached 2500 HP, the center drive mill arrangement with the enclosed geared drive using a high-speed synchronous motor became quite popular.
wound rotor motor mill drives - fonz.co.za
BALL MILL DRIVE MOTOR CHOICES In more recent times the wound rotor motor with the liquid rheostat has come into . Get Price; mill drive failurewound rotor motor bsembgwalior. mill drive failurewound rotor motor; Slip power recovery systems When are Wound rotor motors TMEIC. in the cement and mining industry for starting and driving . Get Price
Chapter 1 Wind Turbine Components - Iowa State University
Yaw motor Cable bundle Slew gear Nacelle Down-tower Figure 1.1: Components around the yaw system of a MW-class turbine. Another yaw system composed of one motor and one gear-set is shown in Fig. 1.2. Dc motor Worm gear Slew gear Tower Nacelle Figure 1.2: Yaw system drive of a kW-class turbine. Revision 8/29/16 2
Drive Solutions for the Global Mining Industry
drive application is a dual-pinion SAG mill driven by two 5,000 kW wound rotor induction motors (WRIM). Two TMdrive- 10SPRs control motor speed by recovering rotor current and returning the power to the utility supply.
Wound Rotor Motor And Ball Mill Starting Curve
Ball Mill Liquid Rotor Starter. Ball MILL drive motor choices666 In more recent times the wound rotor motor with the liquid rheostat has come into use in North America whenThis solution meets the requirements of all gear trains on the market for ball millsat motor 74 at motor starter Table 3 Voltage Drops from Nominal The mill can be started easily with.
Use of variable frequency drives with wound rotor motors ...
The slip ring or wound rotor induction motor (WRIM) has been used in a variety of applications. Many of these applications use the WRIM's high starting torque capability while limiting current to start and run very high inertia loads such as hammer mills, …
Gearless mill drives - ABB
2 GEARLESS MILL DES The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill drive system. By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of …
Wound Rotor Motor Mill Drives - MC Machinery
Wound Rotor Motor Mill Drives - factjeugdnoord.nl. 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, …
Large AC Adjustable Speed Motors for Metals Rolling …
TMEIC2 installed its first AC adjustable-speed motor drive system for a rolling mill main stand in 1980; by January 2004 TMEIC had installed AC adjustable-speed motor drive systems on more than 700 main mill stands, coilers and reels, constituting more than 2,400 MW of installed main drive power. 2. TMEIC: includes equipment supplied by Toshiba
motor ganda grinding mill drive synchronous motor
mill drive failurewound rotor motor - MC World. Gearless mill drives - Grinding ABB. Our 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 motor.
Starter of SAG Mills with rotor resistance
Each mills have two motors of 8000 kW at 13.8 kV. A: For large mills requiring variable speed, the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW. Above 16MW, the gearless drive (cyclo-converter) is typically used because gearboxes and pinion gears reach their present limit in size.
Power Electronics And Motor Drives | ScienceDirect
Occasionally, wound-rotor machines are also used in the high-power range with slip power recovery control. Static Kramer and Static Scherbius drives have been used in industry for limited range speed control near the synchronous speed. A variable-frequency single- phase motor drive is difficult to achieve because of its large pulsating torque.
1930 Wound Rotor Motor Mill Drives - taxitamtam.nl
Mill up-rate A mill operator had re-rated one Wound-Rotor motor in a Tandem pair. ... AC Dynamometer Drives . The effect of voltage dips on wound rotor induction motors ... Abstract Slip energy recovery (SER) drives are used extensively in industry as they offer cost effective speed control of large wound rotor induction motors. Wound rotor ...
High-Power Cycloconverter for Mining Applications ...
In the mining industry, grinding mill plants are usually equipped with a SAG mill and two balls grinding mill drives, each mill drive uses a synchronous motor …
Slip ring motors | up to 8000 kW 13800 V
MENZEL slip ring motors, also called wound rotor motors, are available in all current motor cooling and protection types for low-voltage from 75 kW as well as medium and high voltage up to 15000 kW. They set technical standards in terms of size, performance, economy and reliability.
rotor motor and ball mill - uni-lock.pl
the motor rotor. The concept to drive the mill this way is relatively simple using the mill body as motor rotor and mounting the poles there. The question what drive system is optimal for SAG and ball mills is project specific and depends on the …