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Catalog - Maalouf for General Electricity sarl
Catalog - Maalouf for General Electricity sarl

Fetal Monitors Corometrics 170 Series
Fetal Monitors Corometrics 170 Series

... The Corometrics 170 Series is a recent addition to the GE Healthcare family of dependable, cost-effective foetal monitors. The sleek, compact, lightweight design is ideally suited for hospital, clinic, office, and home*. The series includes capabilities for twins and efficiently transitions from ext ...
Lecture 41
Lecture 41

When to Use Open-Collector and Relay Outputs
When to Use Open-Collector and Relay Outputs

6 pulse vs. 12 and 18 pulse harmonics effect reduction White paper
6 pulse vs. 12 and 18 pulse harmonics effect reduction White paper

... In 1992 the Institute of Electrical and Electronic Engineers, ieee, established “ieee Recommended Practices and Requirements for Harmonic Control in Electrical Systems”. The ieee Standard 519-1992 is now the norm for harmonic specifications in usa and countries with nema electrical standards. ieee 5 ...
8. Induction motor
8. Induction motor

... At Starting 3-phase induction motor takes 5-7 times of full load current & starting torque being 1.5 to 2.5 times of full load torque. Due to this high current the winding of ...
1.1 An introductory overview of power electronic devices
1.1 An introductory overview of power electronic devices

... Passive components in power electronic circuit Transformer, inductor, capacitor and resistor: these are passive components in a power electron ic circuit since they can not be controlled by control signal and their characteristics are usually constant and linear. The requirements for these passive c ...
FPGA board - ECE Users Pages
FPGA board - ECE Users Pages

Low Voltage System Configuration
Low Voltage System Configuration

... Distribution boxes located on the magnet will fan out each pair of + and – HV to up to 10 trays. These boxes will supply required isolation, filtering, current limiting and grounding of the HV (see figure on the next page). ...
DRV8870 3.6-A Brushed DC Motor Driver (PWM
DRV8870 3.6-A Brushed DC Motor Driver (PWM

... inputs control the H-bridge driver, which consists of four N-channel MOSFETs that have a typical Rds(on) of 565 mΩ (including one high-side and one low-side FET). A single-power input, VM, serves as both device power and the motor winding bias voltage. The integrated charge pump of the device boosts ...
lab sheet - Faculty of Engineering
lab sheet - Faculty of Engineering

... major grid position. Set AC/GND/DC input coupling switches at DC. Make sure the VARIABLE knobs for CH1, CH2 and time base at the CAL positions. 3) Function generator settings: Select square-wave mode and set frequency at 40kHz. Connect the function generator output to CH1. Set the output voltage amp ...
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PDF

Power Control and Data Log System Design in Loom
Power Control and Data Log System Design in Loom

... achievable speeds. Medium efficiency at low speed, high efficiency at high speed, driven by multi-phase Inverter controllers, motor EMI good terrible from inverter, sensorless speed control possible, low cost per horsepower, though higher than for 1phase AC induction motor. Three Phase AC Motor prov ...
Aalborg Universitet Control Architecture for Parallel-Connected Inverters in Uninterruptible Power Systems
Aalborg Universitet Control Architecture for Parallel-Connected Inverters in Uninterruptible Power Systems

... On the other hand, output filter structure of DC/AC also has effects on system stability performance. Usually, LCL filter is employed in grid-connected current controlled inverters [44], [45]. In this case, since UPS inverters are voltage sources with LC filters, an additional L can be used in order ...
regulator,lt1083,lt1084,lt1085.pdf
regulator,lt1083,lt1084,lt1085.pdf

60-W, 24-V, High-Efficiency Industrial Power
60-W, 24-V, High-Efficiency Industrial Power

... supply needs of a reduced number of feedback loops for precision current and power limits, eliminating the need of current sensing on secondary side and multiple optocoupler feedback loops for open-loop detection and power limiting. The UCC28740 isolated-flyback power supply controller provides CV o ...
Evaluation Board User Guide UG-336
Evaluation Board User Guide UG-336

... Evaluation Board User Guide ...
DC Drive Selection Guide
DC Drive Selection Guide

... The KBMG Series of DC Drives consist of two models rated for 1/100 to 2 horsepower motors. This chassis ultra-compact, full-wave regenerative drive is capable of operating DC PM or Shunt motors in a bidirectional mode. Its 4-quadrant operation provides forward and reverse torque in both speed direct ...
Lab 3
Lab 3

... The op amp should straddle the trough in the center of your breadboard, with pins 1-4 inserted into the inner end holes of four different (unconnected) rows on one side of the trough, and pins 5-8 inserted into the inner end holes of four different rows on the other side of the trough. Refer to the ...
Full paper template_PEMD
Full paper template_PEMD

... labelling are concerned, IEC62301 Clause 4.5 states that power measurements lower than 5 mW can be rounded down to zero. Hence, if during the “OFF-mode” the consumption of the appliance is lower than 5 mW, no contribution at all to energy consumption needs to be considered while the device is not pe ...
High Efficiency Monolithic DC
High Efficiency Monolithic DC

... and eliminates EMI due switching.  The limitations are low efficiency because of large parasitics for on-chip capacitors and large chip area required for fabricating capacitors. ...
Evaluates:  MAX15039 MAX15039 Evaluation Kit General Description Features
Evaluates: MAX15039 MAX15039 Evaluation Kit General Description Features

... switching frequency and up to 95% efficiency with the supplied components. The EV kit can evaluate other switching frequencies between 500kHz and 2MHz. See the Evaluating Other Switching Frequencies (FREQ) section for more information. The EV kit also provides a PWRGD PCB pad to access the IC’s powe ...
Fulltext
Fulltext

... passband R=0LQ), so eqs. (8) to (11) are still valid. The problem is that the availability of inductance properties is limited, which limits our choice of load capacitance and resistance. Typical on-chip inductances are limited to about 10nH, with Q-values of about 5 [18]. At a typical radio freque ...
Radiated Power and Field Strength from UHF ISM Transmitters
Radiated Power and Field Strength from UHF ISM Transmitters

... tables. Because the measured values follow the field-strength limits dB for dB, adjusting the expected measurement level to ensure proper device function is not difficult. If, for instance, a product has a duty-cycle profile that permits a peak field strength at 315 MHz that is 10 dB higher than the ...
Fast topology detection based on open line detection relays, a
Fast topology detection based on open line detection relays, a

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Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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