Mechatronics II
... 1) Lock the shaft of the motor so that it will not turn. The back EMF is zero in this condition. 2) Apply a step input (voltage to the motor) and measure the current going into the motor as a function of time. This is done by using the same program as in section 3). This time measure the current goi ...
... 1) Lock the shaft of the motor so that it will not turn. The back EMF is zero in this condition. 2) Apply a step input (voltage to the motor) and measure the current going into the motor as a function of time. This is done by using the same program as in section 3). This time measure the current goi ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... inverter circuits. In voltage source inverter (VSI) DC input voltage is normally constant and it is also not dependent on the load current which is drawn from it. The load voltage is decided by inverter and waveform of current is determined by the load. Normally machines do not perform smoothly due ...
... inverter circuits. In voltage source inverter (VSI) DC input voltage is normally constant and it is also not dependent on the load current which is drawn from it. The load voltage is decided by inverter and waveform of current is determined by the load. Normally machines do not perform smoothly due ...
Motor Control
... Motor Control Applications INTRODUCTION Motor control is one of the most common applications of power resistors. Resistors are used to control the torque and speed characteristics of AC and DC motors, and to limit inrush currents. ...
... Motor Control Applications INTRODUCTION Motor control is one of the most common applications of power resistors. Resistors are used to control the torque and speed characteristics of AC and DC motors, and to limit inrush currents. ...
Three-Phase Induction Motor
... The squirrel-cage induction motor is already mounted to the dynamometer. Note that the pulley system ratio is 1:1. Therefore, the motor being tested operates at same the speed of dynamometer. The motor is rated for 1/3 horsepower, 208VL-L, and 1725 RPM. Its rated full-load current is 1.2 amperes. Th ...
... The squirrel-cage induction motor is already mounted to the dynamometer. Note that the pulley system ratio is 1:1. Therefore, the motor being tested operates at same the speed of dynamometer. The motor is rated for 1/3 horsepower, 208VL-L, and 1725 RPM. Its rated full-load current is 1.2 amperes. Th ...
FlexSEA-Execute: Advanced Motion Controller for Wearable Robotic
... and inefficiency to the system. The control algorithms used tend to emulate natural joint motion and they have to adapt to changing environmental conditions. The robot state and the environmental parameters are measured by sensors. Series-elastic actuators (SEA) [13], commonly used in wearable robot ...
... and inefficiency to the system. The control algorithms used tend to emulate natural joint motion and they have to adapt to changing environmental conditions. The robot state and the environmental parameters are measured by sensors. Series-elastic actuators (SEA) [13], commonly used in wearable robot ...
Name____________________________ Reading
... 5. What 2 metals would you use from table 17.1 to make the highest voltage battery cell? ...
... 5. What 2 metals would you use from table 17.1 to make the highest voltage battery cell? ...
the objectives of site grounding
... expense of increased forward voltage drop Main advantages of IGBT are : Good power handling capabilities .... 500A at 1,500V Low forward conduction voltage drop of 2V to 3V … higher than BJT but lower than MOSFET of similar size Gate is voltage controlled with low gate current Relatively sim ...
... expense of increased forward voltage drop Main advantages of IGBT are : Good power handling capabilities .... 500A at 1,500V Low forward conduction voltage drop of 2V to 3V … higher than BJT but lower than MOSFET of similar size Gate is voltage controlled with low gate current Relatively sim ...
Physics 517/617 Experiment 3 Diodes
... input resistor. Derive the 5 Volt reference from a 5 Volt source (power supply). Apply a 1 kHz sine wave. Vary the amplitude of the input voltage and capture using the PC's WAVESTAR program pictures of the input and output waveforms (2 waveforms/picture). Repeat for a triangular input waveform. 3) B ...
... input resistor. Derive the 5 Volt reference from a 5 Volt source (power supply). Apply a 1 kHz sine wave. Vary the amplitude of the input voltage and capture using the PC's WAVESTAR program pictures of the input and output waveforms (2 waveforms/picture). Repeat for a triangular input waveform. 3) B ...
Behavior of three-phase induction motors with variable
... Three-phase induction motors are widely used in industry with sinusoidal and pulse-width modulation 共PWM兲 supplies for variable speed drives. Unfortunately, losses in inverter-fed machines are always greater than in those operating under sinusoidal voltage supplies. In some cases this requires derat ...
... Three-phase induction motors are widely used in industry with sinusoidal and pulse-width modulation 共PWM兲 supplies for variable speed drives. Unfortunately, losses in inverter-fed machines are always greater than in those operating under sinusoidal voltage supplies. In some cases this requires derat ...
Unitron, LP
... The 270VDC UDC Series SFLEDS includes 270VDC converters, power distribution units (PDUs), 270VDC aircraft power cables and obstruction lights designed specifically to support the U.S. military in replacing diesel powered Mobile Electric Power Plants (MEPPs). Each unit will support an aircraft power ...
... The 270VDC UDC Series SFLEDS includes 270VDC converters, power distribution units (PDUs), 270VDC aircraft power cables and obstruction lights designed specifically to support the U.S. military in replacing diesel powered Mobile Electric Power Plants (MEPPs). Each unit will support an aircraft power ...
File
... The voltage that corresponds to the highest motor efficiency. Try to choose a main battery pack which most closely matches the nominal voltage of your drive motors. For example, if the motor’s nominal voltage is 6V, use a 5x 1.2V NiMh pack to get 6V. If your motor operates at 3.5V nominal, you can u ...
... The voltage that corresponds to the highest motor efficiency. Try to choose a main battery pack which most closely matches the nominal voltage of your drive motors. For example, if the motor’s nominal voltage is 6V, use a 5x 1.2V NiMh pack to get 6V. If your motor operates at 3.5V nominal, you can u ...
DC Motor Characteristics
... AO_CH0 (blue plug) and ground on the DAQ terminal block. Make sure you reference the grounds between the bench power supply and the DAQ. Next, connect the power amplifier to the motor. Connect the motor leads to the "POWER" amplifier output plugs (white and yellow plugs). 3) Connect the tachometer t ...
... AO_CH0 (blue plug) and ground on the DAQ terminal block. Make sure you reference the grounds between the bench power supply and the DAQ. Next, connect the power amplifier to the motor. Connect the motor leads to the "POWER" amplifier output plugs (white and yellow plugs). 3) Connect the tachometer t ...
STK4151V AF Power Amplifier (Split Power Supply) (30W + 30W
... • Built-in muting circuit to cut off various kinds of pop noise. • Greatly reduced heat sink due to substrate temperature 125°C guaranteed. • Distortion 0.08% due to current mirror circuit. • Pin-compatible with the STK4101II series. The STK4101V series use the same package and are available for out ...
... • Built-in muting circuit to cut off various kinds of pop noise. • Greatly reduced heat sink due to substrate temperature 125°C guaranteed. • Distortion 0.08% due to current mirror circuit. • Pin-compatible with the STK4101II series. The STK4101V series use the same package and are available for out ...
TRX Data Sheet
... The Haes 1A and 2.5A ‘TRX’ transformer rectifier power supplies are suitable for applications requiring a simple regulated 24vdc supply, where the charging of standby batteries is not required. Typical applications include door retaining magnets, electromagnetic door closers or analogue system inter ...
... The Haes 1A and 2.5A ‘TRX’ transformer rectifier power supplies are suitable for applications requiring a simple regulated 24vdc supply, where the charging of standby batteries is not required. Typical applications include door retaining magnets, electromagnetic door closers or analogue system inter ...
Implementation of Space Vector Modulation Strategies for Voltage
... The three-phase voltage-fed inverter bridge (Figure 1) has a constant Vdc source and it is composed of three “legs”: a, b, c, each of them containing two switching power devices and two return current diodes. The diodes must be able to provide an alternative path for the inductive current that conti ...
... The three-phase voltage-fed inverter bridge (Figure 1) has a constant Vdc source and it is composed of three “legs”: a, b, c, each of them containing two switching power devices and two return current diodes. The diodes must be able to provide an alternative path for the inductive current that conti ...
Variable-frequency drive
A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.