0 WQuattro Motors WEG Line-Start Permanent Magnet Motors
1 Overview Hybrid motor: induction + permanent magnet + reluctance Aluminium cageFlux barrierPermanent magnetExample picture, not actual geometry
2 Developed lines of product IEC 380V, 60Hz:Frames 80 to 132S4 poles: 0.75 to 11kW6 poles : 0.37 to 7.5kWIEC 525V, 50Hz:Frames 80 to 132S4 poles : 0.55 to 7.5kW6 poles : 0.37 to 5.5kWNEMA 460V, 60Hz:Frames 143 to 2134 poles : 0.75 to 7.5kW6 poles : 0.75 to 3.7kWIEC 400V, 50Hz:Frames 80 to 132S4 poles : 0.55 to 7.5kW6 poles : 0.37 to 5.5kW
3 CharacteristicsHigher efficiency in the same frame sizeThree-phase distributed winding in stator (identical to conventional induction motors).Rotor with aluminum cage and internal high-energy permanent magnets.Starts and accelerates directly connected to the mains, as an induction motor.Operates at synchronous speed (invariant with load).Same frame size of induction motor, for same power.WQuattroW22
4 Advantages Synchronous operation no I²R losses in the aluminum cage. Higher efficiency compared to Premium Efficiency induction motors high energy savings.Low bearing temperature longer life and less maintenance.No sensors high reliability.Interchangeability with existing installations.No need for special protection relays.Multi-motor operation several motors in synchronism fed by the same inverter.
5 LimitationsLimited synchronization capability with inertia not suitable for all applications.Care must be taken in the assembly and disassembly of the motor, due to magnets in the rotor, and special tools may be necessary for the IEC frame 132.
6 Development tools (software) SPEED software package (analytical and numerical analysis). WEG is member of the SPEED Consortium – SPEED Lab – Glasgow University.
7 Development tools (software) FLUX2D software (numerical analysis) from CEDRAT – France.
8 PM x LSPM PM (inverter-fed PM motor): Have no cage in the rotor; Needs a FOC (field oriented control) inverter and information about the rotor position at any instant (either from an encoder or a sensorless algorithm);Cannot be directly connected to the mains, even for non-variable speed applications;LSPM (line-start PM motor):Have a cage in the rotor;Can be directly connected to the mains;Do not need an inverter to run in a non-variable speed application;For variable-speed applications, can be driven by an inverter with scalar control algorithm.
9 WQUATTRO MOTORS IEC 400V 50Hz 4 Poles HPkWFull Load Speed (RPM)IEC frameFull Load Current In (A)Locked Rotor Current Il/InFull Load Torque Tn (Nm)Locked Rotor Torque Tl/TnPull-out Torque Tp/TnEfficiencyPower FactorMoment of Inertia (kg.m²)Maximum Moment of Inertia of Load (kg.m²)Approx. Weight (kg)η%Cosφ% of full load50751000.750.551500801.25.893.52.312.081.78484.20.570.710.790.07591511.66.084.82.558386.5188.8.131.52.0886161.51.190L2.46.987.03.24828687.40.680.760.17482323.36.719.63.4183.586.888.10.530.660.740.18192532.2100L4.07.3314.03.948990.20.670.870.28093245.86.5719.13.8289.5184.108.40.2060.2914395.5112M7.26.3125.53.329191.70.810.880.4096417.5132S9.28.1835.04.179292.50.930.04181.4613611012.67.8247.84.2290.592.293.00.770.04961.735467
11 WQUATTRO MOTORS IEC 400V 50Hz 6 Poles HPkWFull Load Speed (RPM)IEC frameFull Load Current In (A)Locked Rotor Current Il/InFull Load Torque Tn (Nm)Locked Rotor Torque Tl/TnPull-out Torque Tp/TnEfficiencyPower FactorMoment of Inertia (kg.m²)Maximum Moment of Inertia of Load (kg.m²)Approx. Weight (kg)η%Cosφ% of full load50751000.500.371000801.04.623.53.052.0066.675.579.60.530.660.0825150.750.551.54.315.32.9220.127.116.110.540.0912161.0090S1.85.277.22.7081.183.40.410.590.70.1590221.501.190L2.75.2510.53.0475.481.618.104.22.1680.180324100L3.35.1214.33.9881.385.787.60.490.630.740.2542303.002.2112M4.65.0021.02.4383.786.587.10.580.720.80.3673394.003.0132S5.85.7528.74.0186.689.690.70.730.821.1528555.504.0132M7.838.287.490.1910.810.0391.3656597.505.5132M/L11.24.9652.50.560.780.04361.525363