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The Dunkermotoren GR/G range (commutated DC motors) are notable for:
Longer life than commutated motors from other manufacturers
Low detent torques
High efficiency
High dynamic acceleration
Good regulation characteristics
High power density
Maintenance-free
Robust design
Low moment of inertia
Motor insulation class E
Winding insulation class F
Extremely high short time overload capacity of the motor
Surface protection
Minimum interference radiation, optional interference versions
Protection up to IP 65
High quality due to fully automated production lines
The DC-motors can be combined with control electronics, gearboxes, brakes and encoders in a modular system to provide a flexible, adaptable, market-oriented solution.
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24A Series Permanent Magnet DC Motor
Horsepower: 1/50 to 1/7 HP
Rated Torque: 8 to 24 oz-in
Speed: 2500 to 11,500 RPM
33A Series Permanent Magnet DC Motor
Horsepower: 1/16 to 1/3 HP
Rated Torque: 34 to 134 oz-in
Speed: 2500 RPM
33A Series Metric Permanent Magnet DC Motor
Motor Watts: 42 to 244 W
Rated Torque: .24 to .86 Nm
Speed: 1725 to 3000 RPM
42A Series Permanent Magnet DC Motor
Horsepower: 1/4 to 1/2 HP
Rated Torque: 101 to 180 oz-in
Speed: 2500 RPM
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A range of 12 to 180 V DC motors with Power Outputs of 25 to 750 watts.
Including:
PM36 Custom permanent magnet motors up to 75 watts.
PM45 Custom permanent magnet motors up to 250 watts.
PM55 Custom permanent magnet motors up to 300 watts.
PM62 Custom permanent magnet motors up to 500 watts
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GE Permanent Magnet Custom:
GE permanent magnet DC motors provide rugged construction features. Custom shaft configurations, mounting face, conduit boxes, motor leads and footprints are available. Designs for battery-powered and rectified AC are also available.
GE Permanent Magnet Standard:
GE permanent magnet DC motors are dependable and flexible. Designed for low maintenance, these motors are intended to provide years of worry-free operation. These adjustable speed drive DC motors combine exceptional value and rugged construction.
GE Permanent Magnet Washdown:
The enclosures of these motors are designed to offer greater moisture and corrosion protection than totally enclosed motors, making them suitable for washdown applications.
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The D.C. permanent magnets motors EC (5 sizes: diameter 42, 52, 65, 80, 110 mm) are characterised by their high start torque, high quality balancing and low noise levels. Available power ratings from 30 to 800 W S2, low voltage power supply, 12 or 24 Vdc.
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Our smooth, long-lasting DirectPower Plus motors are available in a range of voltages and torques to met your needs. Dynamically balanced armatures and non-contact ball bearings ensure a smooth performance. Durable totally enclosed, non-ventilated construction (TENV) and replaceable brushes help extend product life-cycles. And, for extra power and durability choose our DirectPower Plus motors.
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Tensions 12 or 24 mini V.C.C., 50,110 or 200 V.C.C.
Special tensions on request (PM 50/60 - 18ov. maximum).
Engines Classifies “ F” – on closed rolls of the dice,
lubricated with life. All with 2 directions of rotation.
Reducers tight and lubricated with life. Entirely on
rolls of the dice, endless screw out of treated steel and polished. Coil
in composite or bronze on request. Assembly
multiposition.
Flexible connections PVC 30cm.
Details of the Performances Engine Page 70.
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The permanent magnet brushed dc motors offered here have been designed and wound to satisfy applications calling for a power range of 1-100 watts. 1.5v-28v voltage range is available where appropriate.
Windings have been chosen to offer speed variations where noise, life or current may be critical. If you can't find your exact requirement here, motors can be wound to your precise specification.
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Voltage: 180 V DC, 24 V DC
Other voltages from 24 V up to 250 V DC on request
Power: 40 - 350 Watt
Speed: 2000, 3000 min-1
Other speeds on request
Type of protection:
Type EP 0, EP 1 und EP 2 with flying leads, Standard IP 44
Type EP 0, EP 1 with terminal box, Standard IP 44
Type EP 2 with terminal box, Standard IP 54
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LEROY-SOMER designs and manufactures DC, AC induction and AC PM gearless motors. LEROY-SOMER machine ranges cover all segments of the market, from small load-small speed to high speed -high rise elevators.
The new Z range of synchronous permanent magnet motors has been designed for lifts obtaining a speed between 0.6 and 5 m/s the load capacity of which ranges between 450 and 2000 kg. Their extremely compact design and silent operation make it possible to install these high efficiency motors in machine rooms as well as directly in the lift shat.
LEROY-SOMER can also customize an existing machine or design a new machine to fulfil specific requirements.
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Direct Drive STK motors have been designed for being integrated at the heart of servomechanisms with the aim to improve the performances of axis control.
Thus, the use of ALXION's Direct Drive Technology offers adequate solutions regarding the improvement of dynamic performances and accuracy and allows to address applications with demanding constraints on volumes and weights.
Main characteristics
Continuous torque from 14.6 Nm up to 2708 Nm continuous in natural convection depending on size and up to 6100 Nm in fluid cooling.
Six external diameters from 145 mm up to 800 mm.
Internal diameter from 56 mm up to 630 mm.
Various available windings from 30 rpm up to 1500 rpm depending on type.
Advantages
High dynamics
No reducer
No backlash
High accuracy servo
Suppression of maintenance
Simplification of servo-mechanism
Optimization of servo-mechanism costs
Noise reduction
Functional optimization and machine simplification
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Designed with the aim of addressing new industrial needs, ALXION has created ST low inertia motors range for DIRECT DRIVE allowing acceleration up to 20 000 rad/s². 145 ,190 and 300ST ranges present an outstanding compacity with a continuous torque-to-weight up to 3.7 Nm/Kg and a peak torque-to-weight up to 18 Nm/Kg. ALXION
Main characteristics
Permanent torque up to 235 Nm and peak torque up to 1161 Nm
Possibility to use a hollow shaft up to 75 mm diameter
Three motors technologies:
HP : high precision with cogging torque < 1 % for 145 & 190 ST
SP : standard precision with cogging torque = or < 2 % for 145 & 190 ST
X : high precision with cogging torque < 2 %
Position feedback:
Resolvers: precision ±1 arcmin or ±10 arcmin
SinCos encoders: incremental or with commutation track
ENDAT absolute encoders
HIPERFACE® encoders
Protection degree: IP54
Power and signal connections: Class 6, cables 2 meters length
Avantages
High dynamics
No reducer
No backlash
High accuracy servo
Elimination of maintenance
Simplification of the servomechanism
Noise reduction
Machine optimization and simplification
Characteristics of the range
Proposed in three diameters, 145 ,190 and 300 mm with a large variety of position feedback: resolvers, encoders and a variety of shafts: hollow, blind or solid shaft. Rated torques cover a wide range between 14.8 Nm and 235 N.m, in natural convection, and the peak torque covers from 55 Nm to 1161 Nm. The motors can reach a rated speed up to 1500 rpm. These motors present an outstanding compacity with a continuous torque-to-weight up to 3.7 Nm/Kg and a peak torque-to-weight up to 18 Nm/Kg. Two windings are proposed as a standard: 500 and 1500 rpm for 145ST or 500 and 1000 rpm for 190ST and 200 and 800 rpm for 300ST. But the winding can easily be adapted to match your optimum drive rating.
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FRAME SIZE:
71 to 132
OUTPUT:
0.75 to 22 kW
TORQUE:
2 to 100 Nm
RATED SPEED:
1 to 6000 rpm
MOUNTING:
IM B3, IM B5, IM B35, IM B14, IM B34
DEGREE OF PROTECTION:
IP55 or higher
MAIN FEATURES:
sensorless permanent magnet ac brushless motors
motors comply with IEC requirements
temperature rise to class B
high efficiency motors (Super Premium)
higer motor efficiency within a wide range of speed
speed variation with drive
lower operating temperature
lower noise
possibility of non-ventilated cooling design
compact design and reduced weight
lower electrical power
OPTIONS:
special mechanical design
forced ventilation
encoder
TYPICAL APPLICATIONS:
electric pumps, ventilation, textile machineries, wind generators
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ADVANTAGES OF THE PILOT GENERATOR
Excitation systems of generators including a pilot generator have a more simple and more rational design than the compound excitation systems and provide to the set a larger reliability
DESIGN OF THE PILOT GENERATOR
Magnets : Samarium Cobalt - very stable, high coercive magnetic field
Stability of the voltage in process of time
Stability of the voltage afler a short-circuit
Dismantling without voltage loss : no irreversible demagnetisation
Large number of solutions : pole number, size for the machines
Supplying of the required power to the regulator under any condition of the running of the main generator
MECHANICAL CHARACTERISTICS
Frame, endshields : aluminium, cast iron or steel according the solutions·
Machine with bearings
Mounting : IM 1001 or 3001 or 3601 (low shaft height)
Floating mounting or
Rotor / Stator fitted inside the frame or outside the main generator
Cooling : IC 00, IC 01, IC 0041 or IC 0141
Protection : IP 00, IP 23, IP 44 or IP 55
Insulation class F
Temperature rise class F or B : 100 K or 80 K
Ambient temperature : 40°C or others
According to the required speeds and mounting modes
(Rotor/Stator) : binding of the rotors (magnets) : either metallic or carbon fibre
ELECTRICAL CHARACTERISTICS
maximum economical values Three phase or Single phase
Voltage U eff. <500 V
Power S eff. < 60 kVA
Frequency F <400 Hz
Power Factor : 0 < cos phi < 1
Distorsion < 5% (No-load and Full load)
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PRECILEC RADIO-ENERGIE alternators WIND PMG equip with the wind turbine of small power. Our Permanent Magnet Generator charge the battery to ensure the power supply of the isolated places, off-line to an electrical grid local.
ADVANTAGES OF OUR DESIGN
Our design is reliable, simple and compact
Our know-how is the integration of rare earths magnets. They are very stable, with high coercive magnetic field and high specific energy
Stability of the voltage in process of time
No voltage loss even after a short-circuit
Our design allows an optimal output according to the required configuration
Dismantling without voltage loss: no irreversible demagnetisation
Large number of solutions: pole number, size for the machines which allow to consider all your demanding space requirements
Mechanical interface is optimized
Highest power-to-weight ratio
In direct drive without speed multiplier or gear
No maintenance needed for machine without bearings
Maintenance limited to bearings only for machine with bearings
ELECTRICAL CHARACTERISTICS
Maximum economical values
Three phase or Single phase
Voltage U eff. max 500 V (between phases)
Power P mech. max 20 kW
Frequency F max 400 Hz
Power Factor: cos phi 0 < cos phi < 1
Distortion max 5% (No-load and Full load)
Rated speed max 3000 rpm
MECHANICAL CHARACTERISTICS
Cooling: IC 00, IC 01, IC 0041 or IC 0141
Protection: IP 00, IP 23, IP 44 or IP 55
Insulation class F
Temperature rise class F or B: 100 K or 80 K
Ambient temperature: 40°C or others
According to the required speeds and mounting modes (Rotor/Stator): binding of the rotors (magnets): either metallic or carbon fibre
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The range of STK Permanent Magnet frameless alternators addresses the applications of Wind Turbine generators in low and medium power needing the highest power-to-weight ratio in Direct Drive without gear for matching cost-effective solutions.
Each component of a wind turbine generator and wind turbine alternator requires maximum strength and precision in order to ensure perfect control over the blades.
Main characteristics of wind turbine alternators
Rated power from 200 W up to 99 kW depending on size and rated speeds.
Rated speeds from 80 RPM up to 1500 RPM.
Six overall diameters from 145 mm up to 795 mm.
Internal diameter from 56 mm up to 630 mm.
Various available voltages up to 500 Vac.
Assets of wind turbine alternators
No speed multiplier, no gear
No maintenance
Highest power-to-weight ratio in Direct Drive
Simplification of mechanical design
Easy mechanical interface
Cost optimization
Characteristics of the range of wind turbine alternators
The range of permanent magnet frameless alternators STK includes 6 sizes from 145 mm up to 800 mm available in four different lengths per size and two standard rated speeds
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The system consists of a permanent magnet generator and a single phase inverter to be applied to a generating set (with a gasoline engine)
As the application is in the domestic field, the stability and the quality of the generated voltage must grant the correct working and safety of electronic devices, computers, household appliances, etc.
Our aim is to realize a control system that grants a consistent inverter’s output voltage in presence of load variations. By, also, optimizing the engine performances adapting the speed in function of the output load. The fuel consumption and noise are dramatically reduced.
The generator has been realized with one three phase permanent magnet (NeFeBo) machine in order to obtain an high power density and reduced volumes; the stator’s winding is inside while the rotor runs outside.
For the generator’s dimensions see the table herewith enclosed.
The main inverter’s features are:
- Output voltage: 230V -50Hz single phase (60Hz on demand)
- THD: < 2%
- Max. continuous power: 10KW
- Max overload: 30-50% (depending on the engine) restricted in time
- Two of these devices can be linked in parallel to increase available wattage through the generator outlets.
- Performances following ISO8528 (generator-set): G4 / G3 class
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