sag mill fl filetype pdf SHANGHAI SHIBANG MACHINERY CO, LTD adalah salah satu perusahaan teknologi tinggi, yang melibatkan R\u0026D, produksi, penjualan dan layanan juga Dalam 20 tahun terakhir, kami mengabdikan diri untuk memproduksi peralatan pertambangan, mesin pembuat pasir, dan pabrik penggilingan industri, yang menawarkan jalan bebas ,

Get PriceAplikasi Cycloconverter Cement Mill Driv Cycloconverter for sag mill 38 feet mtm130x ultrafine mill mtm series trapezium mill xzm series ultrafine mill lm vertical grinding mill pfw series impactFree chat- building7-22 jul 20162016722- ball mills for ore processing, cement kilns, ship propulsion systems, slipThe variable-frequency ,

Get PriceFor example, a seamless tube piercing mill [105] where a squirrel cage six-pole 3 MW, 188/300 rpm, 96/1538 Hz, and 2700 V motor is controlled by a cycloconverter bank of ,

Get PriceEquipment Drive Comments SAG Mill (Semi- Composed of a twelve-pulse The grinding mill autogenous cycloconverter together with a is the rotor of the Grinding) synchronous ringmotor synchronous Power : 26000 HP motor

Get PriceThis two-stage grinding circuit consists of a 40 ft SAG (semi-autogenous grinding) Mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for the excitation circuit ,

Get PriceCurrent issues on high-power cycloconverter - Fed gearless motor drives for grinding mills July 2003; DOI: , The interior of a SAG mill is shown as a cross section in Fig 2 [5] The shaded ,

Get Priceuse of big mill grinding circuits, where large power gearless motor drives with cycloconverters in the range around 20 MW are being applied for semiautogenous (SAG) mills and recently, ball mills are also being considered

Get PriceMill (grinding) SAG is an acronym for semi-autogenous grinding SAG mills are autogenous mills that also use grinding balls like a ball mill A SAG mill is usually a primary or first stage grinder SAG mills use a ball charge of 8 to 21% The largest SAG mill is 42' (128m) in diameter, powered by a 28 MW (38,000 HP) motor

Get PriceTable of ContentsGeneral Description of the DriveAssembling and ConstructionComponent CharacteristicsDrive Evaluation The electric operation and design features of the 11,000 HP variable speed SAG mill gearless drive is presented The function of the frequency-converter, control system drive and lubrication systems are described An analysis of the harmonic characteristic in the Supply ,

Get PriceABB’s scope of supply includes a 13 MW gearless mill drive system for an 11 m SAG mill, consisting of cycloconverter transformers, excitation transformers, Ehouse containing a cycloconverter ,

Get PriceElectroDrives has completed the commissioning of a 20kV 20,000kVAr Outdoor Harmonics Filter of Riotinto mine The new filter is intended to compensate the harmonics and reactive power generated by the Cycloconverter that operates the 23MW Wrap Around Motor (or Gearless Motor Drive, GMD) of the new open circuit SAG mill with pebble crushers to process coarsely crushed product and prepare it for ,

Get PriceThis product is stockpiled as SAG mill feed The SAG mill was supplied by Fuller and measures 1097m in diameter It is driven by two constant torque variable speed Siemens electric motors each rated at 6000kW Power is supplied to the motors from a cycloconverter unit to provide a controlled speed variation of the mill Product from the SAG mill

Get PriceCYCLOCONVERTER Principle The Cycloconverter is a frequency changer which converts a poly-phase voltage with the frequency f1 into a single or poly-phase voltage with a different, lower frequency f2 On Gearless Mill Drives (GMD), the operational output frequency varies from 03 Hz up to about 6 Hz

Get PriceCycloconverter design considerations allow a maximum 13 times rated current during 30 seconds (for SAG mills) and 15 times rated current for ball mills [4] During the starting procedure, especially in the first 30 seconds, the converter modulation index is low, which means that cycloconverter during that time operates with

Get PriceWhether you’re talking about SAG or ball mill, space is a sensitive subject, especially in the concentrator , the mill-motor interface is a multifaceted task, a proce- , Short-circuit-proof cycloconverter The synchronous machine is fed by a cycloconverter (CCV) This cycloconverter ,

Get PriceThe largest GMD, currently in opera- tion, is a 22-MW unit on a SAG mill in Chile Edited by: Shannon de Ryhove Creamer Media Senior Deputy Editor Polity & Multimedia EMAIL THIS ARTICLE SAVE THIS ,

Get PriceCanada’s Quadra FNX Mining has commissioned Siemens to modernise the drive in a SAG mill in its Robinson open-pit copper mine in Nevada, USA This will be the first time that an ore mill is to be equipped with a Sinamics SL150 cycloconverter, after this new drive system has already been successfully introduced in other mining and metal ,

Get PriceThe existing 3x Sag Mill Cycloconverter transformer utilises a loop in loop out cable supply arrangement (instead of dedicated supply to each transformer) This has cramped the 33kV termination box, particularly as the existing cables utilised are 300mm2 Cu 19/33kV three core indscreened PVC/SWA/PVC Sheathed This resulted in high levels of Partial Discharge between the [,]

Get PriceSAG, ball and cement mill chives, etc Experience to exceed your demands ABB has experience in cycloconvetter chives, having delivered about one third of the world's cycloconverter power ABB cycloconvelters were used in 1969 for ring motor drives on cement mills and later also with marine propulsion, mine hoist and It)lling mill main driv

Get PriceThe six ABB GMDs, which are the most powerful mill drive systems on the market are all now in continuous operation Two 28 MW gearless mill drive systems (GMDs) are operating in the mine's 40 foot SAG mills and four 165 MW GMDS are employed in 26 ,

Get PriceE sag, kWh/t) and for mill power draw models (eg ball mill power prediction for a mill geometry) ball mill power prediction for a mill geometry) This relative to the mill shell definition roughly corresponds to the amount of energy that ore consumes given an efficient set of mill bearings, liners, etc

Get PriceAbstract: Typical drive configurations of high-capacity SAG mills use a two-stator-winding vector-controlled synchronous motor, with a 30° shift between the two windings, fed by a two-secondary delta-delta-wye power transformer and two six-pulse cycloconverters This paper presents and evaluates three different modeling options for the SAG mill drive

Get PriceABB’s new Gearless Mill Drive generation: Maintenance Ball Mill SAG Mill Figure 2 Core pressing system with spring plate/washer and re-tightening statistics in a typical installation Access to the inside of the motor and the cooling system The easier the access to the inside of the motor is, the more convenient and efficient is the work on the motor

Get PriceAbstract—A cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to , Thus, the SAG mill motor has 72 poles and the ball mill motors have 56 pol • Excitation transformer and excitation converter with full wave control The excitation transformer is fed at

Get PriceQuadra FNX Mining Ltd, a Canadian mining company, has commissioned Siemens to modernize the drive in an SAG mill in its Robinson open-cast copper mine in Nevada, USA This will be the first time that an ore mill is to be equipped with a Sinamics SL150 cycloconverter, after this new drive,

Get PriceDec 02, 2014· Abstract: A detailed evaluation of a SAG mill starting is presented using three different modeling options The first option considers a qd0 model of the two-stator winding synchronous motor fed by two six-pulse cycloconverters The second option considers the qd0 model of an equivalent one-stator winding synchronous motor fed by a 12-pulse cycloconverter

Get Pricecycloconverter for sag mill techniker-leipzigde Cycloconverter for sag mill 38 feet has opted for siemens gearless mill drives to be used in the two sag mills having a diameter of 40 feet and an output of 28 mw and the two ball mills with a diameter of 28 feet and an output of 22 mwWith these mill drive systems there is get price

Get PriceCycloconverter For Sag Mill 38 Feet Aplikasi Cycloconverter Cement Mill Driv Cycloconverter for sag mill 38 feet mtm130x ultrafine mill mtm series trapezium mill xzm series ultrafine mill lm vertical grinding mill pfw series impactFree chat- building7-22 jul 20162016722- ball mills for ore processing, ,

Get PriceAbstract—A cycloconverter-fed gearless mill drive is a drive system that has , Laguna Seca concentrator uses a SAG mill and three ball mills, all driven by , graphic or function block diagram language with application software called FUPLA,

Get Price- mill process in copper
- ball mills for sale in kenya
- wet ball mill and mineral magnetic separators
- agriculture hammer mill
- concrete grinding machines for sidewalks
- mill supplier in iran
- small gold ore grinding equipment uk
- mercedes ready mixer 2225 grinding mill china
- 3 high rolling mill
- gold mining grinding mills 4ft standard cone crusher