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Summary of Contents for Parker MGV Series
- Page 1 HIGH SPEED MOTORS MGV Series Technical Manual PVD 3627_GB - 1 - 11-12-05 PVD 3627_GB_MGV_November_2011.docx...
- Page 2 Equipment shall furthermore be mounted on a mechanical support that conducts heat effectively and does not exceed 40°C. Start up date : Delivery date : Parker 8, avenue du Lac – BP30749 - 2 -...
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Page 3: Table Of Contents
3.2.4. Illustration of tables ........................ 26 3.2.5. Further Data ........................... 27 3.2.6. Time constants of the motor ....................28 3.2.7. Voltage withstand characteristics of MGV series ..............30 3.3........................31 IMENSION DRAWINGS 3.3.1. General outline drawings ....................... 31 3.4. - Page 4 3.6.5. Flow derating according to glycol concentration ..............41 3.6.6. Water cooling diagram ......................43 3.7........................45 HERMAL ROTECTION 3.7.1. Alarm tripping with PTC thermistors : ..................45 3.7.2. Temperature measurement with KTY sensors: ..............46 3.8...................... 47 OWER ELECTRICAL CONNECTION 3.8.1.
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Page 5: Introduction
If any malfunction or technical problem occurs, that has not been dealt with in this manual, please contact Parker for technical assistance. In case of missing information or doubts regarding the installation procedures, safety instructions or any other issue tackled in this manual, please contact Parker as well. -
Page 6: General Safety Rules
1.2.2. General Safety Rules Generality DANGER: The installation, commissioning and operation must be performed by qualified personnel, in conjunction with this documentation. The qualified personnel must know the safety (C18510 authorization, standard VDE 0105 or IEC 0364) and local regulations. They must be authorized to install, commission and operate in accordance with established practices and standards. -
Page 7: Product Description
2. PRODUCT DESCRIPTION 2.1. Overview The MGV high-speed motors from Parker are innovating solutions through direct drive, specifically designed for industrial applications where high speed is needed. The MGV motors are brushless synchronous servomotors, with permanent magnets, based on HKW active parts and fully integrated with a water-cooled housing, high speed ball bearings, encoder …... -
Page 8: Motor Description And Applications
Many winding are available to get the wished torque and speed characteristics for power up to 80KW with the DIGIVEX drives. Higher power is available with the universal PARKER AC890 drives. The MGV motors are supplied integrated and ready to be used. -
Page 9: General Technical Data
2.3. General technical data Motor type Permanent-magnet synchronous motor Magnet material Nd-Fe-B Number of poles Size: MGV400 MGV600 MGV800 MGV900 MGVA00 Nbr of poles: Mechanical interface Flange IM3001 (IM B5) or feet IM1001 (IM B3) (IEC60034-7) Sizes 4, 6, 8, 9, A Degree of Protection IP40 as standard Cooling... -
Page 10: Product Code
2.4. Product Code Code Product Series Motor size (in connection with diameter) 4, 6, 8, 9, or A Active Part Length Torque / Speed characteristics See motor datas Feedback Sensor A : Resolver K : sin/cos encoder (on request) Mounting arrangement B3 : by feet B5 : by flange Bearing design... -
Page 11: Technical Datas
It is possible to increase a little bit the Inlet temperature up to 40°C, but the torque must be reduced. The following formula gives an indicative about the torque derating at low speed. But in any case refer to SSD Parker technical department to know the exact values At low speed the torque derating is given by the following formula for an water Inlet temperature >... - Page 12 Illustration of the torque derating vs. temperature at low speed for a MGV motor: Torque Derating vs. Inlet temperature Torque derating at low speed [%] Inlet temperature [°C] 12 - 11-12-05 PVD 3627_GB_MGV_November_2011.docx...
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Page 13: Thermal Equivalent Torque (Rms Torque)
3.1.3. Thermal equivalent torque (rms torque) The selection of the right motor can be made through the calculation of the rms torque M (i.e. root mean squared torque) (sometimes called equivalent torque). This calculation does not take into account the thermal time constant. It can be used only if the overload time is much shorter than the copper thermal time constant. - Page 14 Selection of the motor : The motor adapted to the duty cycle has to provide the rms torque M at the rms speed(*) without extra heating. This means that the permanent torque M available at the average speed presents a sufficient margin regarding the rms torque M rms.
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Page 15: Acceleration - Deceleration Time With Mgv Motors
3.1.4. Acceleration – Deceleration time with MGV motors A MGV motor shows two phases during its acceleration (resp. deceleration) time: - from 0 to the Base speed during its acceleration (or inversely from the Base speed to 0 during its deceleration), the phase is called “at constant Torque”. - from the Base speed to the Maximal speed during its acceleration (or inversely from the Maximal speed to the Base speed during its deceleration), the phase is called “at constant Power”... - Page 16 3.1.4.2. Constant Torque Phase – t calculation Method #1 This method is simple and provides an estimation of sufficient in most situations: - when the resistant torque is small compared to resistant motor - when the resistant torque is equal to 0. resistant Procedure to follow: We calculate firstly an estimation...
- Page 17 Method #2: This method is more complex but provides the exact solution for . It is sometimes used where justified by the required accuracy or by a resistant torque non- resistant ≠0. negligible compared to . This method is only valid if motor resistant is solution of a nonlinear first order differential equation.
- Page 18 Deceleration time t “at constant Power” from Maximal speed to Base speed: Σ − ⇔ braking negative value motor resis − − motor resis Ω Ω base λ − λ µ − − λ − decelerati time axis µ λ −...
- Page 19 3.1.4.3. Numerical example: The MGV motor taken to illustrate the calculations is the type MGV840CAD Corresponding data are as follows: 63 kW 10300 rpm base 24000 rpm 58.4 Nm 93.5 Nm 0.01455 kgm² motor We will consider: 6 Nm resistant 0.01455 kgm²...
- Page 20 Deceleration time t “at constant Power” from Maximal speed to Base speed: The power available for the deceleration is equal to: 63000 10776 73776 resis So the estimated duration is given by the formula: Σ Ω − Ω ² ²) −...
- Page 21 Deceleration time t “at constant Power” from Maximal speed to Base speed: Σ 0.02910 kgm² motor load − − ⇔ 63000 negative value braking resis − − − − − ⇔ 64.4 negative value braking resis Ω 2513 Ω 1079 base −...
- Page 22 Illustrations: Acceleration phase Speed [rpm] Torque S1 [Nm] Resistant Torque Mr [Nm] 30000 ACCELERATION 25000 20000 15000 10000 5000 Time [s] Deceleration phase Speed [rpm] Torque S1 [Nm] Resistant Torque Mr [Nm] 30000 DECELERATION 25000 20000 15000 10000 5000 Time [s] 22 - 11-12-05 PVD 3627_GB_MGV_November_2011.docx...
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Page 23: Drive Selection
3.1.5. Drive selection The drive selection depends on its rated power, nominal current and maximal electrical frequency able to be managed by the drive and by the flux weakening ratio. Please refer to the drive technical documentation for any further information and to select the best motor and drive association. -
Page 24: Current Limitation At Stall Conditions (I.e. Speed < 3 Rpm)
3.1.6. Current limitation at stall conditions (i.e. speed < 3 rpm) Recommended reduced current at speed < 3 rpm: ≅ reduced Warning: The current must be limited to the prescribed values. If the nominal torque has to be maintained at stop or low speed (< 3 rpm), imperatively limit the current to 70% of I (permanent current at low speed), in order to avoid an excessive overheating of the motor. -
Page 25: Motor Characteristics And Drive Association
3.2. Motor characteristics and drive association 3.2.1. Intrinsic characteristics MoS6 Io S6 (kW) (kW) (Nm) (Nm) (rpm) (rpm) (Arms) (Arms) MGV430BAL DRIVE 25/51 - 400 13100 45000 X life 24,7 50,2 MGV430BAI DRIVE 35/79 - 400 15,6 15,6 21900 45000 X life 35,0 78,1... -
Page 26: Ac890 Drive Association
3.2.3. AC890 Drive Association MoS6 (kW) (kW) (Nm) (Nm) (rpm) (rpm) MGV430BAL 890SD-53230SC 13000 27900 Hybrid MGV430BAI 890SD-532450D 22000 30000 Hybrid MGV635CAF 890SD-532450D 7500 15800 Steel MGV635CAD 890SD-532590D 13000 20000 Hybrid MGV635CAD 890SD-432730E 12000 16000 Steel MGV840CAP 890SD-532450D 2300 4510 Steel MGV840CAH 890SD-432870E... -
Page 27: Further Data
3.2.5. Further Data (Ohms) (kg.m²) (min) (kg) (Vrms) (mH) (mH) (Arms) MGV430BAL 0,541 0,00089 18,3 5,68 4,96 20,3 MGV430BAI 0,205 0,00089 11,7 2,35 2,05 31,6 MGV635CAF 0,427 0,00352 32,2 4,35 3,82 MGV635CAD 0,189 0,00352 21,5 1,93 46,5 MGV840CAP 0,823 0,0186 15,4 12,8 32,5... -
Page 28: Time Constants Of The Motor
3.2.6. Time constants of the motor 3.2.6.1. Electric time constant: τ elec With following values given in the motor data sheet inductance of the motor phase to phase [H], ph_ph resistance of the motor phase to phase at 25°C [Ohm]. ph_ph Example: Motor series MGV840CAP... - Page 29 Remarks: σ For a DC motor, the mechanical time constant represents the duration needed mech to reach 63% of the final speed when applying a voltage step without any resistant torque, if the electrical time constant is much smaller than the mechanical time constant.
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Page 30: Voltage Withstand Characteristics Of Mgv Series
3.2.7. Voltage withstand characteristics of MGV series The motors fed by converters are subject to higher stresses than in case of sinusoidal power supply. The combination of fast switching inverters with cables will cause over voltage due to the transmission line effects. The peak voltage is determined by the voltage supply, the length of the cables and the voltage rise time. -
Page 31: Dimension Drawings
3.3. Dimension drawings 3.3.1. General outline drawings These mechanical values can be subject to modifications Motor Weight MGV420 MGV430 MGV620 MGV635 MGV820 MGV840 MGV930 MGV950 1050 MGV970 1250 MGVA30 1150 MGVA50 1300 31 - 11-12-05 PVD 3627_GB_MGV_November_2011.docx... -
Page 32: Motor Mounting
3.4. Motor mounting 3.4.1. Motor mounting By flange and feet By feet For vertical mounting, Please consult us. The load capacity and vibration resistance on shaft are different than horizontal mounting. 3.4.2. Typical mounting. Warning : The load must be supported by bearings. No additional weight must be mounted on the shaft, even if this weight generates a force lower than the maximum force allowed on the shaft. -
Page 33: Frame Recommendation
3.4.3. Frame recommendation Warning : The user has the entire responsibility to design and prepare the support, the coupling device, shaft line alignment, and shaft line balancing. Foundation must be even, sufficiently rigid and shall be dimensioned in order to avoid vibrations due to resonance. -
Page 34: Motor Alignment
3.4.4. Motor alignment To align easily the motor and the load, we recommend adding screws to push the motor smoothly. Enough screws must be used to move the motor (or the load) in all directions. At each step of the setting, wedges have to be inserted between the motor feet and the frame. -
Page 35: Coupling
Thermal expansion can also generate strain and load. These forces (axial and radial) must be below the maximum shaft allowed forces (§3.4). Warning : Parker will not be responsible for any motor shaft failure due to excessive strains on the shaft . 3.4.6. Pulley/belt... -
Page 36: Vibration And Bearings Temperature Control
3.4.7. Vibration and bearings temperature control It is highly recommended to implement a vibratory control in accordance with the ISO 10816 standard to detect any sign of mechanical evolution before breakdown. Accelerometers must be located closed to the bearings Accelerometers (vibration sensor) Moreover, it is highly recommended to monitor the bearings temperature. -
Page 37: Bearings
3.5. Bearings The bearings are greased for life. The statistic bearings life is limited from 6000h up to 10000h depending on the way there are assembled and used, it is recommended to control the vibrations every 3000h or to change it once the predicted lifetime is reached. This period is indicative and has to be considered with the load and speed limits taken into account for the bearings calculation. -
Page 38: Cooling
3.6. Cooling In compliance with the CEI 60034-1 standards: 3.6.1. General recommendations Danger: The cooling system has to be operational when the motor is running or energized. Danger: The Inlet temperature and the water flow have to be monitored to avoid any damage. Caution: When motor is not running, the cooling system has to be stopped 10 minutes after the motor shut down. -
Page 39: Additives For Water As Cooling Media
3.6.2. Additives for water as cooling media Please refer to motor technical data for coolant flow rates. The water inlet temperature must not exceed 25°C to get the full performances. The inner pressure of the cooling liquid must not exceed 5 bars. Caution: To avoid the corrosion of the motor cooling system (aluminum or steel), the water must have anti-corrosion additive. -
Page 40: Motor Cooling Circuit Data
Chiller must be able to evacuate motor power loss (see table above). Chiller pump must provide water flow through motor and pipe pressure drop. Inlet temperature must be inferior to 25°C. You can find various chillers solutions in Parker Hiross - http://www.dh-hiross.com/ Contact: PASCAL TANCHAUD Cooling Technology Manager pascal.tanchaud@parker.com... -
Page 41: Flow Derating According To Glycol Concentration
3.6.5. Flow derating according to glycol concentration Glycol concentration [% ] 10.2 10.6 11.1 11.8 12.4 15.3 15.9 16.7 17.6 18.7 20.4 21.2 22.2 23.5 24.9 25.5 26.5 27.8 29.4 31.1 30.6 31.8 33.4 35.3 37.3 35.7 37.1 38.9 41.1 43.6 40.8 42.4... - Page 42 Main formulas Power dissipatio Flow rate θ ∆ ° With: Flow rate [l/min] Power_dissipation [kW] ∆θ ° Gradient inlet-outlet [°C] Cp thermal specific capacity of the water as coolant [J/kg°K] (Cp depends on the % glycol concentration please see below) Thermal specific capacity Cp according to % glycol concentration and temperature We have considered an average temperature of the coolant of 30°C.
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Page 43: Water Cooling Diagram
3.6.6. Water cooling diagram Recommendation: The use of a filter allows reducing the presence of impurities or chips in the water circuit in order to prevent its obstruction. We recommend a 0.1mm filter. This section shows typical water cooling diagram: There is no recommendation on water inlet and... - Page 44 No Parallel Circuit Chiller or Exchanger without flow control Pump Spindle servomotor To other(s) device(s) No Serial Circuit Pump Spindle servomotors 44 - 11-12-05 PVD 3627_GB_MGV_November_2011.docx...
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Page 45: Thermal Protection
3.7. Thermal Protection Protection against thermal overloading of the motor is provided by two PTC thermistors and one KTY temperature sensor (and one more in case of KTY failure) built into the stator winding as standard. Yellow Yellow White White Brown 3.7.1. -
Page 46: Temperature Measurement With Kty Sensors
3.7.2. Temperature measurement with KTY sensors: Motor temperature can also be continuously measured by the drive using a KTY 84- 130 thermal sensor built in to the stator winding. KTY sensors are semiconductor sensors that change their resistance according to an approximately linear characteristic. -
Page 47: Power Electrical Connection
3.8. Power electrical connection 3.8.1. Wires sizes In every country, you must respect all the local electrical installation regulations and standards. Not limiting example in France: NFC 15-100 or CEI 60364 as well in Europe. Cable selection depends on the cable construction, so refer to the cable technical documentation to choose wire sizes Some drives have cable limitations or recommendations;... -
Page 48: Conversion Awg/Kcmil/Mm²
Example of sizes for H07 RN-F cable : Conditions of use: Case of single conductors type H07 RN-F: 60°C maximum Ambient temperature: 40°C Cable runs on dedicated cables ways Current limited to 80%*I at low speed or at motor stall. Example: Io=100 Arms Permanent current at standstill : 80 Arms... -
Page 49: Motor Cable Length
For motors which present low inductance values or low resistance values, the own cable inductance, respectively own resistance, in case of large cable length can greatly reduce the maximum speed or/and the maximum power of the motor. Please contact Parker for further information. -
Page 50: Feedback System
3.9. Feedback system 3.9.1. Resolver A resolver determines the rotor position. Its signals are processed by the drive in order to control the stator currents, the speed and the position. Two resolver types can be associated with the MGV: CB52 or CB102 with a connector seat. CB52 CB102 Motor associated... -
Page 51: Cables And Connectors Associated To The Resolver
3.9.2. Cables and connectors associated to the resolver Cable reference for DIGIVEX drive: CD1UA1F1R0xxx depending on length Cable reference for AC 890 drive: CS4UA1F1R0xxx depending on length. The "xxx" in the part number must be replaced by the length in meter. Ex : for 20m cable, "xxx"... -
Page 52: Commissioning And Use
4. COMMISSIONING AND USE 4.1. Reception, handling, storage 4.1.1. Equipment delivery All the high-speed motors are strictly controlled during manufacturing, before shipping. While receiving it, it is necessary to verify motor condition and if it has not been damaged in transit. -
Page 53: Storage
4.1.3. Storage Before being mounted, the high-speed motor has to be stored in a dry place, without hard temperature variation in order to avoid condensing. During storage, the ambient temperature must be kept between -20 and +60°C. If the high-speed motor has to be stored for a long time, verify that the shaft end, feet and the flange are coated with corrosion proof product. -
Page 54: Preparation
4.2.2. Preparation Once the motor is installed, it must be possible to access to the wiring, and read the manufacturer’s plate. Air must be able to circulate freely around the motor for cooling purposes. Clean the shaft using a cloth soaked in white spirit or alcohol. Pay attention that the cleaning solution does not get on to the bearings. -
Page 55: Alignment
Danger : Coupling misalignment generates vibrations that can lead to a shaft failure. Warning : Parker will not be responsible for any motor shaft fatigue due to excessive strain on the shaft, a bad alignment or bad shaft line balancing . - Page 56 Different solutions are possible to align motor with load: With dial gauge : Dial gauge to mesure offset Dial gauge to measure angular deviation With laser A laser alignment is highly recommended for speeds > 10000rpm Laser receptor Laser transmitter Warning : The load must be supported by bearings.
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Page 57: Motor Startup
4.2.5. Motor startup The delivered motor has been controlled and burned in. Nevertheless, it is recommended to start it gradually by 1000-rpm steps with a speed ramp, during 1 minute for each step until the maximum speed. Monitor the bearing temperature. It must be stabilized. Typical temperatures are 60-70°C. -
Page 58: Electrical Connection
4.3. Electrical connection Warning : Check that the power to the electrical cabinet is safely off prior to make any connections. Warning : The wiring must comply with the drive commissioning manual, with recommended cables, the standard and the local regulations Warning : The high-speed motor must be grounded by connecting to an unpainted section of the motor. -
Page 59: Maintenance Operations
The qualified personnel must know the safety (C18510 authorization, standard VDE 0105 or IEC 0364) and local regulations. They must be authorized to install, commissioning and operate in accordance with established practices and standards. Please contact PARKER for technical assistance. Section Operation Periodicity... -
Page 60: Troubleshooting
4.5. Troubleshooting We provide hereunder a symptom list in regard with their possible cause. This is not an exhaustive list so in case of trouble, please refer to the associated servo drive manual (the diagnostic board indications will help you investigating). •...
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