W22 Magnet - est-aegis.com · W22 Magnet Drive System 7 Permanent Magnets The W22 Magnet utilises powerful permanent magnets made from a combination of neodymium, iron and boron (NdFeB),

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W22 Magnet Drive System

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W22 Magnet Drive System2 W22 Magnet Drive System2

W22 Magnet Drive System

The W22 Magnet Drive System composes premium and ultra premium effi ciency motors with permanent magnets driven by frequency inverters. Perfect for applications where speed variation, precise control at low speeds, low noise levels and compact design are critical.

Drive SystemDue to the dedicated software application which incorporates the vector control technology for driving permanent magnet motors, the use together of the WEG CFW-11 frequency inverter and W22 Magnet motor is mandatory.

The highest effi ciencies on the marketW22 Magnet motors feature rotors with permanent magnets. This technology provides the motor with signifi cant advantages such as higher effi ciency and a greater power density per frame. They are driven by WEG CFW11 frequency inverters, which offer constant torque across a wide speed range, operating even at low speeds with effi ciency levels above induction motors without requiring forced ventilation. W22 Magnet motors are available in Super Premium (IE4) and Ultra Premium (IE5) versions – the highest effi ciency available on the market today.

ApplicationsCooling towers, bag fi lters, paper machines, paper coil winders, conveyors, pumps, looms, direct current (DC) motor replacements, extruders, compressors, fans, etc.

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W22 Magnet Drive System 3

PTC thermal protection

Robust cast iron frame

Rotor with permanent magnets

Characteristics of the W22 Magnet Motor Output: 5 to 450HP

Frame: 215T to 449T Speed: 3600, 1800 and 1200 rpm Voltage: 460V (200-600V available) Degree of protection: IP55

Bearing seal: V-ring (frames 215T to 326T(S)) WSeal (from frame 364/5T(S) and above) Insulation: F (ΔT 80K)

Service factor: 1.0 Thermal protection: PTC Thermistor Insulated NDE bearing hub and AEGIS shaft grounding (from frames 364/5T(S) and above) Mounting: F1, F2 or F3 available TEFC (IC 411) per NEMA MG1 / IEC 60034-6 Possibility of operation in overspeed Optional characteristics on request

Characteristics of the CFW11 Inverter Power supply: 380 to 480 V Sensorless vector control: it allows the CFW11 to control the speed motor from zero up to its rated speed Remote Operating Interface (HMI) with backlight, soft keys, graphic display and real time clock. Inductors incorporated on the DC Link to improve

harmonic mitigation Communication protocol and accessories: Profi bus, DeviceNet, CANopen, Ethernet / IP, Modbus-RTU

and Profi net IP54 available as optional item up to 100A (55 kW) Adaptable to all kinds of load USB port FLASH memory

IP55 Sealing

Grease nipple

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W22 Magnet Drive System4

W22 Magnet Super Premium and Ultra Premium

W22 Magnet Super Premium

Greater power density - Reduced mass and volumeW22 Magnet Super Premium motors meet the IE4 effi ciency levels according to IEC standard 60034-30-1.The magnets inserted into the rotor ensure a signifi cant reduction in electric losses, and thus the motor temperature, enabling smaller frame sizes to be utilised. Compared to induction motors of the same output and speed, the weight and volume of the equivalent W22 Magnet Super Premium motors is reduced by as much as 77% (refer to example below).The W22 Magnet motors operate with lower temperature rise even at low speeds.

The W22 Magnet motor line offers two efficiency levels: Super Premium (IE4) and Ultra Premium (IE5). The high technology utilised in permanent magnet motors results in innovation, ef ficiency and reliability.

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Mass reduction

Induction Motor Output: 40HP Speed: 3600 rpm Frame: 324T Mass: 584 lbs Volume: 4394 in3

Efficiency: 92.4%

W22 Magnet Motor Output: 40HP Speed: 3600 rpm Frame: 215T Mass: 168 lbs Volume: 1464 in3

Efficiency: 94.1%

Volume reduction

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W22 Magnet Drive System 5

Output Power (kW)Frame

W22 (Induction) W22 Magnet

20 254T 132S25 284T 132S30 286T 132M40 324T 132M/L50 326T 160M60 364T 160L75 365T 180M100 200L125 225S/M150 225S/M175 225S/M200 250S/M250 250S/M

3 280S/M300 31L 280S/M350 315L 280S/M

315L 315S/M400 355M/L 315S/M450 355M/L 315S/M

200L225S/M225S/M225S/M250S/M250S/M

315L 280S/M315L 280S/M315L 280S/M315L 315S/M

355M/L 315S/M355M/L 315S/M

W22 Magnet Ultra Premium

The highest effi ciency levelInterchangeability and high performanceW22 Magnet Ultra Premium motors offer the highest effi ciency levels in the market and meet the levels for IE5 as defined in the IEC standard 60034-30-1:2014. With a loss reduction of 20% when compared to the Super Premium, W22 Magnet Ultra Premium motors feature the same frame size to HP ratio as equivalent induction motors, combining therefore interchangeability with existing installed motors and the benefit of improved product performance. W22 Magnet Ultra Premium is one more example of WEG technology providing to Industry high efficiency, quality, energy saving and lower overall cost of ownership.

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When replacing High Efficiency induction motor with a W22 Magnet Ultra Premium, the energy saved in one year would power a 60 W light bulb for 20 years. Comparison between 50HP 1800 rpm motors.

Frame size comparison between 1800RPM W22 Magnet IE4 and W22 IE3 Induction Motors.

405T444T445T407T

449T

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W22 Magnet Drive System6

*Continuous duty at speeds lower than 240rpm under request

Speed (rpm)+ 30%

Constant rated torque

Constant rated output

0 240* Rated speed

Torq

ue

Effi ciency Comparison - 1800 rpm

Output Power (kW)

98

97

96

95

94

93

92

91

9010 12,5 15 20 25 30 40 50 60 75 100 125 150 175 200 250 270 300 350 400 450

Effi c

ienc

y (%

)

W22 Premium - IE3 W22 Super Premium - IE4 W22 Magnet Super Premium - IE4 W22 Magnet Ultra Premium - IE5

Torque x SpeedW22 Magnet motors can operate over a wide speed range at constant torque, without the use of forced ventilation. This characteristic makes them ideal for applications requiring speed variation and constant torque, even at low speeds, without the need for an encoder.W22 Magnet motors (1200 rpm and 1800 rpm) are able to operate at up to 30% above their rated speed without the necessity to utilise special components.

WISE Insulation SystemExclusive WISE insulation system (WEG Insulation System Evolution). Aiming at maximizing the durability andreliability of the motors when operated with a frequency inverter, WEG developed the WISE system, resulting in improvement of the materials in all productive stages related to the motor insulation system, such as wires,insulating films, impregnation system, impregnating material, cables and other components present in the process.

Attributes and advantages of the W22 Magnet motor

Effi ciency x SpeedW22 Magnet motors present superior effi ciency regardless of speed or load, saving up to 30% in comparison to induction motors driven by frequency inverters. E

ffi ci

ency

(%)

0

rpm

6010 33 50 67 85 100

65

70

75

80

85

95

90

100

W22 Magnet Induction Motor

Motor 25HP - 3600rpm - 213T

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W22 Magnet Drive System 7

Permanent MagnetsThe W22 Magnet utilises powerful permanent magnets made from a combination of neodymium, iron and boron (NdFeB), and commonly referred to as rare-earths magnets. These magnets are some eighteen times stronger than traditional Ferrite Magnets.In order to provide superior mechanical strength and corrosion resistance, the Neodymium/Iron/Boron magnets are covered with a protective epoxy coating.

Endshields / LubricationThe W22 Magnet motors are equipped with bearings offering an L10 life of up to 100,000 hours. All motors feature open bearings and endshields with grease nipples which permit re-lubrication lubrication and consequently a reduction in stoppages for maintenance.

Thermal ProtectionW22 Magnet motors have PTC (Positive Temperature Coeffi cient) thermistors embedded in their windings which offer full protection against overheating produced by phase loss, overload and under or overvoltage.

New W22 PlatformThe new W22 Magnet incorporates the same innovative features of the highly successful W22 induction motor line: Frame structure that reduces air dispersion and improves the cooling Terminal box with greater internal space for easier cable management Solid feet that simplify the motor alignment and installation Robust cast iron construction providing high mechanical strength

and low vibration levels

WEG Worldwide Operations

WEG Group - Motors Business UnitJaraguá do Sul - SC - Brazil Phone: +55 47 3276 4000 motores@weg.netwww.weg.net

For those countries where there is not a WEG own operation, find our local distributor at www.weg.net.

ARGENTINASan Francisco - CordobaPhone: +54 3564 421484info-ar@weg.net

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