Download PGR-6150 Datasheet
... Phase loss/Phase sequence PTC overtemperature Dynamic thermal model Communications ...
... Phase loss/Phase sequence PTC overtemperature Dynamic thermal model Communications ...
2013S
... direct and quadrature axis synchronous reactances as measured by the slip test are 9.6 Ω and 6 Ω respectively. Neglecting armature, determine the regulation and the excitation emf needed to maintain 6.6KV at the terminals when supplying a load of 2.5MW at 0.8pf lagging. What maximum power can the ge ...
... direct and quadrature axis synchronous reactances as measured by the slip test are 9.6 Ω and 6 Ω respectively. Neglecting armature, determine the regulation and the excitation emf needed to maintain 6.6KV at the terminals when supplying a load of 2.5MW at 0.8pf lagging. What maximum power can the ge ...
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... hours. The contents discussed during the session were - an introduction on the electric and hybrid vehicles , how it remains unique when compared to the other vehicles, a detailed information on how to manufacture such a vehicle , and also the benefits of using such vehicles. The session was very in ...
... hours. The contents discussed during the session were - an introduction on the electric and hybrid vehicles , how it remains unique when compared to the other vehicles, a detailed information on how to manufacture such a vehicle , and also the benefits of using such vehicles. The session was very in ...
Understanding Motor Nameplate Information NEMA
... Efficiency is the ratio of the power output divided by the power input. The efficiency is given as a percentage and indicates how well the motor converts electrical power into mechanical power. The closer this value is to 100%, the lower the electricity consumption cost is going to be. New motors us ...
... Efficiency is the ratio of the power output divided by the power input. The efficiency is given as a percentage and indicates how well the motor converts electrical power into mechanical power. The closer this value is to 100%, the lower the electricity consumption cost is going to be. New motors us ...
protective device for pumps / motors
... H. P. ratings, to reduce starting in–rush currents by applying reduced voltage to the motor windings during star connections. After certain time delay the configuration is expected to change over to delta connection in normal running. This changeover from Star-to-delta is required to take place when ...
... H. P. ratings, to reduce starting in–rush currents by applying reduced voltage to the motor windings during star connections. After certain time delay the configuration is expected to change over to delta connection in normal running. This changeover from Star-to-delta is required to take place when ...
A Mathematical Model to Choose Optimal Subsynchronous
... state, in other words on the conditions and requirements imposed on exploitation of the transport systems. In the paper, an analytic method of defining and selecting the basic elements of the subsynchronous cascade is proposed. In designing an electric motor drive with a subsynchronous cascade, the ...
... state, in other words on the conditions and requirements imposed on exploitation of the transport systems. In the paper, an analytic method of defining and selecting the basic elements of the subsynchronous cascade is proposed. In designing an electric motor drive with a subsynchronous cascade, the ...
Induction Motor
... Induction motors are used worldwide in many residential, commercial, industrial, and utility applications. Induction Motors transform electrical energy into mechanical energy. It can be part of a pump or fan, or connected to some other form of mechanical equipment such as a winder, conveyor, or mixe ...
... Induction motors are used worldwide in many residential, commercial, industrial, and utility applications. Induction Motors transform electrical energy into mechanical energy. It can be part of a pump or fan, or connected to some other form of mechanical equipment such as a winder, conveyor, or mixe ...
Choosing between a soft starter and a variable frequency drive to fit
... starters and variable frequency drives can both be used to reduce inrush currents and limit torque— protecting your valuable equipment and extending the life of your motor by reducing motor heating caused by frequent starts and stops. Choosing between a soft starter and a variable frequency drive of ...
... starters and variable frequency drives can both be used to reduce inrush currents and limit torque— protecting your valuable equipment and extending the life of your motor by reducing motor heating caused by frequent starts and stops. Choosing between a soft starter and a variable frequency drive of ...
Trane TR200
... More recently…potentially destructive bearing currents have occasionally occurred in much smaller motors… These drives can be generators of a common mode voltage which…oscillates at high frequency and is capacitively coupled to the rotor. This results in peak pulses as high as 10-40 volts from shaft ...
... More recently…potentially destructive bearing currents have occasionally occurred in much smaller motors… These drives can be generators of a common mode voltage which…oscillates at high frequency and is capacitively coupled to the rotor. This results in peak pulses as high as 10-40 volts from shaft ...
Choosing between a soft starter and a variable frequency
... starters and variable frequency drives can both be used to reduce inrush currents and limit torque— protecting your valuable equipment and extending the life of your motor by reducing motor heating caused by frequent starts and stops. Choosing between a soft starter and a variable frequency drive of ...
... starters and variable frequency drives can both be used to reduce inrush currents and limit torque— protecting your valuable equipment and extending the life of your motor by reducing motor heating caused by frequent starts and stops. Choosing between a soft starter and a variable frequency drive of ...
Brushless Motors - PowerPoint Presentation (2.7MB PPT File)
... Io = Noload Current of the Motor, derived from running a motor WOT without a prop at varying voltages. Io can be expressed with an associated Voltage and should be. Kv = K value or voltage constant, the expressed value where the rpm can be surmised by a given voltage. For a 2000 Kv motor an input vo ...
... Io = Noload Current of the Motor, derived from running a motor WOT without a prop at varying voltages. Io can be expressed with an associated Voltage and should be. Kv = K value or voltage constant, the expressed value where the rpm can be surmised by a given voltage. For a 2000 Kv motor an input vo ...
FPGA-based Servo Control IC for PMLSM Drives with Adaptive
... In Fig. 13, the “comp” is the input signal from the comparator, the “xor_comp” the trigger for the latch and timing counter, “count” the time interval between two crossings, and “hall_sless” the estimated communication mode. ...
... In Fig. 13, the “comp” is the input signal from the comparator, the “xor_comp” the trigger for the latch and timing counter, “count” the time interval between two crossings, and “hall_sless” the estimated communication mode. ...
Brushless Motors
... Io = Noload Current of the Motor, derived from running a motor WOT without a prop at varying voltages. Io can be expressed with an associated Voltage and should be. Kv = K value or voltage constant, the expressed value where the rpm can be surmised by a given voltage. For a 2000 Kv motor an input vo ...
... Io = Noload Current of the Motor, derived from running a motor WOT without a prop at varying voltages. Io can be expressed with an associated Voltage and should be. Kv = K value or voltage constant, the expressed value where the rpm can be surmised by a given voltage. For a 2000 Kv motor an input vo ...
DC-machines
... adding a variable resistance in series with the armature Potential divider control : If the speed control from zero to the rated speed is required , by rheostatic method then the voltage across the armature can be varied by connecting rheostat in a potential divider arrangement . ...
... adding a variable resistance in series with the armature Potential divider control : If the speed control from zero to the rated speed is required , by rheostatic method then the voltage across the armature can be varied by connecting rheostat in a potential divider arrangement . ...
AND8007/D Momentary Solid State Switch for Split Phase Motors
... to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, ...
... to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, ...
Design of a Small Personal Electric Vehicle as
... The voltage levels have consequences for the losses in the wiring and the power electronic switches as well. Indeed, as the voltage level increases, the currents are reduced for the same power. Both low wiring ohmic losses and the possibility to use low-cost industry standard IGBTs require the use o ...
... The voltage levels have consequences for the losses in the wiring and the power electronic switches as well. Indeed, as the voltage level increases, the currents are reduced for the same power. Both low wiring ohmic losses and the possibility to use low-cost industry standard IGBTs require the use o ...
DC Machines
... armature winding. If the field of a D.C. generator is excited from an external source of power, the generator is said to be separately excited. However, a D.C. generator can also supply its own excitation; this feature is called self-excitation. This ability is due to the residual magnetism which re ...
... armature winding. If the field of a D.C. generator is excited from an external source of power, the generator is said to be separately excited. However, a D.C. generator can also supply its own excitation; this feature is called self-excitation. This ability is due to the residual magnetism which re ...
GMD is the name of a series of bipolar chopper drives - Q-TECH
... Particular care has been dedicated also to obtain top performance and low power losses for both the card and the motor, limiting the need for forced ventilation, while the standard input and output signals facilitate the interface with the most common control systems. ...
... Particular care has been dedicated also to obtain top performance and low power losses for both the card and the motor, limiting the need for forced ventilation, while the standard input and output signals facilitate the interface with the most common control systems. ...
Complete PDF Edition (2,896 KB)
... and F500L Series inverters supporting energyefficient operation of fan and pump motors. An optimum excitation current control program improves motor efficiency under the low-torque conditions that typify these applications. The inverters are commercially available. ...
... and F500L Series inverters supporting energyefficient operation of fan and pump motors. An optimum excitation current control program improves motor efficiency under the low-torque conditions that typify these applications. The inverters are commercially available. ...
电机控制：参考指南
... Three-phase brushless DC motor Brushless DC motor in sinusoidal mode This brushless DC motor is supplied by three sinusoidal waveforms. This control mode delivers low levels of acoustic and electromagnetic noise while a resolver and current sensors are normally needed for high-performance operation ...
... Three-phase brushless DC motor Brushless DC motor in sinusoidal mode This brushless DC motor is supplied by three sinusoidal waveforms. This control mode delivers low levels of acoustic and electromagnetic noise while a resolver and current sensors are normally needed for high-performance operation ...
2012
... 7. a) Draw the circle diagram for a 5 hp, 200v, 50Hz, 4-pole, 3-phase, star-connected induction motor from the following data: 200V,5A, 350 watts ii)100V,26A, 1700 watts. Rotor copper loss at stand still=half of the total copper loss. Estimate there from the full load current, power factor, speed, a ...
... 7. a) Draw the circle diagram for a 5 hp, 200v, 50Hz, 4-pole, 3-phase, star-connected induction motor from the following data: 200V,5A, 350 watts ii)100V,26A, 1700 watts. Rotor copper loss at stand still=half of the total copper loss. Estimate there from the full load current, power factor, speed, a ...
Brushless DC electric motor
Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter/switching power supply, which produces an AC electric signal to drive the motor. In this context, AC, alternating current, does not imply a sinusoidal waveform, but rather a bi-directional current with no restriction on waveform. Additional sensors and electronics control the inverter output amplitude and waveform (and therefore percent of DC bus usage/efficiency) and frequency (i.e. rotor speed).The rotor part of a brushless motor is often a permanent magnet synchronous motor, but can also be a switched reluctance motor, or induction motor.Brushless motors may be described as stepper motors; however, the term stepper motor tends to be used for motors that are designed specifically to be operated in a mode where they are frequently stopped with the rotor in a defined angular position. This page describes more general brushless motor principles, though there is overlap.Two key performance parameters of brushless DC motors are the motor constants Kv and Km.