ELECTRICAL ENGINEERING IMPORTANT MCQINDUSTRIAL DRIVERS ...Oct 28, 2016 · (a) Slip ring induction motor (b) Synchronous motor (c) shunt motor (d) Schrage motor Ans: b. 45 has the least value of starting torque to full load torque ratio. (a) shunt motor (b) series motor (c) Squirrel cage induction motor (d) Slip ring induction motor Ans: c. 46.
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Dual Speed Motors, SIEMENS Motors, Motors Manufacturer ...The 1LA0 Dual Speed motors are offered in 4/2 Pole 8/4 Pole in various kW combinations. These squirrel cage Induction motors confirming to IS: 325 are offered in Cast Iron housing with IP 55 protection and with IC411 cooling. These motors are suitable for 415 V + 6%, 50Hz + 3% and an Ambient of 40°C.
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appliion of electric drives in cement millsMill drives We offer both highspeed induction and lowspeed synchronous motors. Highspeed motors require an intermediate gearbox. Although large mills exceeding 18,000 kW normally use gearless drives, Outotec can offer geared drives in excess of 24 MW. Smaller mills up to 450 kW are also available in a directdriven arrangement.
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Asynchronous Squirrel cage induction and slip ring motors ...MENZEL squirrel cage motors are available in all standard motor cooling and protection types for lowvoltage from 75 kW as well as medium and high voltage up to 25000 kW (25 MW). Slip ring motors are the motors of choice whenever high starting torque or low starting current are required.
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Cement Mill Drives | Transmission (Mechanics) | EnginesThe motors that meet the above requirements are: 1. Slip ring induction motor with rotor resistance starters and speed control are suited as crusher drives. A dc chopper is used to control the resistance. 2. They are available in multiple jaw, conical and roll crusher variety. Process The air compressor motors have ratings in the range 300 kW ...
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VDZOnlinecourse 6 5 en | Transmission (Mechanics ...Mar 06, 2015 · Vertical Roller Mill Drive The same types of motor as for tube mills, p. 6 are used to drive vertical roller mills (Fig. ). Depending on the system, vertical roller mills are connected to the motor via angular gear units. Figure : Drive of a Vertical Roller Mill .
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EE603Aug 30, 2008 · Squirrel cage induction motors up to 10 HP and slip ring induction motors are used. • For Flour mills 1ph or 3ph Induction motors are used with speed variation. • For Lifts and hoists DC Compound motor, slip ring motor with high acceleration and retardation are used. Motors used for different appliions • For Lathe
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World CementIn terms of mill type, the answer is Ball mill (CC) almost always vertical VRM Ø x 12 m OK 334 roller mills (VRMs). (2720 kW) (3000 kW) Over the last few OSepa decades the industry ...
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