Comparison and evaluation of different DC/DC Hua Bai*
... The battery on-board a PHEV needs to be charged from the grid through either an on-board or an off-board charger. In order to make sure that the vehicle is ready for use by the second morning, the battery must be fully charged within a reasonable amount of time, typically two to six hours. In additi ...
... The battery on-board a PHEV needs to be charged from the grid through either an on-board or an off-board charger. In order to make sure that the vehicle is ready for use by the second morning, the battery must be fully charged within a reasonable amount of time, typically two to six hours. In additi ...
specialtopics_14
... In some stations, specially nuclear stations, a generator circuit breaker is connected in main bus between generator and auxiliary tap so that auxiliaries can be supplied from system when generator is out of service need to be concerned with transients caused: by lightning and switching surges o ...
... In some stations, specially nuclear stations, a generator circuit breaker is connected in main bus between generator and auxiliary tap so that auxiliaries can be supplied from system when generator is out of service need to be concerned with transients caused: by lightning and switching surges o ...
AN-828 Increasing the High Speed Torque of
... crispness of the response and the high speed torque are increased. While the rotor holds position or moves at low step rates, the series power resistors protect the motor by holding the winding currents to the rated limit. Since both the L/R-time constants of the phase windings and the rated supply ...
... crispness of the response and the high speed torque are increased. While the rotor holds position or moves at low step rates, the series power resistors protect the motor by holding the winding currents to the rated limit. Since both the L/R-time constants of the phase windings and the rated supply ...
Initial Design of 12s-10p and 12s-14p with Outer
... machine is one of the most successful candidate for a high torque, speed and power density especially in the sector of transportation such as hybrid electric vehicle. The common use for a high torque and high speed rating is the 3-phase system used worldwide. Flux switching machine(FSM) comprise of ...
... machine is one of the most successful candidate for a high torque, speed and power density especially in the sector of transportation such as hybrid electric vehicle. The common use for a high torque and high speed rating is the 3-phase system used worldwide. Flux switching machine(FSM) comprise of ...
Induction Motors
... Region1: The constant torque limit region is the region below the base speed ωb, which is the lowest possible speed for the motor to operate at its rated power. For the small back-emf in this region, the current can be set at any desired level by means of regulators such as hysteresis controller o ...
... Region1: The constant torque limit region is the region below the base speed ωb, which is the lowest possible speed for the motor to operate at its rated power. For the small back-emf in this region, the current can be set at any desired level by means of regulators such as hysteresis controller o ...
A Design Study of Dual-Stator Permanent Magnet Brushless DC Motor
... torque-density. As DSBLDC could operate in various states according to different winding connection modes, it is fully qualified for electric vehicle (EV) drive. Unfortunately, due to the particular dual-stator structure, this kind of motor is difficult to be designed by available design methods. Ho ...
... torque-density. As DSBLDC could operate in various states according to different winding connection modes, it is fully qualified for electric vehicle (EV) drive. Unfortunately, due to the particular dual-stator structure, this kind of motor is difficult to be designed by available design methods. Ho ...
MAX13487E Evaluation Kit
... The MAX13487E evaluation kit (EV kit) is a fully assembled and tested PCB that contains a half-duplex RS485/RS-422 AutoDirection-controlled transceiver with ESD protection. The EV kit circuit features a differential driver and receiver. The circuit’s receiver is a 1/4-unit load for the RS-485 bus an ...
... The MAX13487E evaluation kit (EV kit) is a fully assembled and tested PCB that contains a half-duplex RS485/RS-422 AutoDirection-controlled transceiver with ESD protection. The EV kit circuit features a differential driver and receiver. The circuit’s receiver is a 1/4-unit load for the RS-485 bus an ...
NRD1-6_Rev.0110 - pes-psrc
... Metal oxide varistor (MOV). An assembly of metal oxide varistor units that limits overvoltages to a given value. In the context of series capacitor banks, the MOV is typically defined by its ability to divert fault current around the series capacitor units, limiting the voltage to a specified protec ...
... Metal oxide varistor (MOV). An assembly of metal oxide varistor units that limits overvoltages to a given value. In the context of series capacitor banks, the MOV is typically defined by its ability to divert fault current around the series capacitor units, limiting the voltage to a specified protec ...
ConstantVoltage, Constant-Current Controller with Primary
... The UCC28722 is a flyback power supply controller that provides accurate voltage and constant current regulation with primary-side feedback, eliminating the need for opto-coupler feedback circuits. The controller operates in discontinuous conduction mode with valley-switching to minimize switching l ...
... The UCC28722 is a flyback power supply controller that provides accurate voltage and constant current regulation with primary-side feedback, eliminating the need for opto-coupler feedback circuits. The controller operates in discontinuous conduction mode with valley-switching to minimize switching l ...
Report Gel Electrophoresis - Universiti Teknologi Malaysia
... supply, SMPS also used to achieve higher voltage supply compared to powering battery voltage such as tape recorders, compact disc players, notebooks, mobile phones and cameras. Most critically, SMPS now is being used widely in biomedical research field since their efficiency and reliability to provi ...
... supply, SMPS also used to achieve higher voltage supply compared to powering battery voltage such as tape recorders, compact disc players, notebooks, mobile phones and cameras. Most critically, SMPS now is being used widely in biomedical research field since their efficiency and reliability to provi ...
Constant-Voltage, Constant-Current Controller With Primary
... The UCC28720 is a flyback power supply controller which provides accurate voltage and constant current regulation with primary-side feedback, eliminating the need for opto-coupler feedback circuits. The controller operates in discontinuous conduction mode with valley-switching to minimize switching ...
... The UCC28720 is a flyback power supply controller which provides accurate voltage and constant current regulation with primary-side feedback, eliminating the need for opto-coupler feedback circuits. The controller operates in discontinuous conduction mode with valley-switching to minimize switching ...
A Study on Brushless DC Motor for High Torque
... momentous parts which could determine robot performance. Especially in multi-DOF driving module, output characteristics of each actuator could affect driving reliability and efficiency of overall system. Slim shaped motors or actuators are profitable to make up joint module comparing with convention ...
... momentous parts which could determine robot performance. Especially in multi-DOF driving module, output characteristics of each actuator could affect driving reliability and efficiency of overall system. Slim shaped motors or actuators are profitable to make up joint module comparing with convention ...
Electromagnetic Induction
... When a magnet is allowed to fall towards the coil, the galvanometer pointer gives a momentary deflection to the right of the zero position. The magnet moves through the coil. What happens to the galvanometer pointer as the magnet falls away from the coil? A ...
... When a magnet is allowed to fall towards the coil, the galvanometer pointer gives a momentary deflection to the right of the zero position. The magnet moves through the coil. What happens to the galvanometer pointer as the magnet falls away from the coil? A ...
High Voltage Products
... the US and ANSI markets, and the 3AP DT breaker types are offered in IEC markets. Both types are designed as general, definite-purpose circuit breakers for use at maximum rated voltages of 72.5 kV up to 550 kV. The design Dead-tank circuit breakers (except for the 550 kV version) consist of three id ...
... the US and ANSI markets, and the 3AP DT breaker types are offered in IEC markets. Both types are designed as general, definite-purpose circuit breakers for use at maximum rated voltages of 72.5 kV up to 550 kV. The design Dead-tank circuit breakers (except for the 550 kV version) consist of three id ...
UFC 3-550-01 Exterior Electrical Power Distribution
... acceptable for military installations for efficiency, economy, durability, maintainability, and reliability of electrical power supply and distribution systems. The criteria and standards herein are not intended to be retroactively mandatory. ...
... acceptable for military installations for efficiency, economy, durability, maintainability, and reliability of electrical power supply and distribution systems. The criteria and standards herein are not intended to be retroactively mandatory. ...
Transformer
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Commonly, transformers are used to increase or decrease the voltages of alternating current in electric power applications.A varying current in the transformer's primary winding creates a varying magnetic flux in the transformer core and a varying magnetic field impinging on the transformer's secondary winding. This varying magnetic field at the secondary winding induces a varying electromotive force (EMF) or voltage in the secondary winding. Making use of Faraday's Law in conjunction with high magnetic permeability core properties, transformers can thus be designed to efficiently change AC voltages from one voltage level to another within power networks.Since the invention of the first constant potential transformer in 1885, transformers have become essential for the transmission, distribution, and utilization of alternating current electrical energy. A wide range of transformer designs are encountered in electronic and electric power applications. Transformers range in size from RF transformers less than a cubic centimeter in volume to units interconnecting the power grid weighing hundreds of tons.