PI-279
... Abstract- Silicon Controlled Rectifier (SCR) is one of the most powerful power electronics devices which are used in various appliances in our daily life. These rectifiers are also called phase controlled rectifiers or thyristors and are widely used for its lower on-conduction losses, easily availab ...
... Abstract- Silicon Controlled Rectifier (SCR) is one of the most powerful power electronics devices which are used in various appliances in our daily life. These rectifiers are also called phase controlled rectifiers or thyristors and are widely used for its lower on-conduction losses, easily availab ...
Alternating Current - The Place Programme
... changes direction, it is called alternating current, or a.c.. • Mains electricity is an a.c. supply, with the UK mains supply being about 230V. • It has a frequency of 50Hz (50 hertz), which means it changes direction, and back again, 50 times a second. • The diagram shows an oscilloscope screen dis ...
... changes direction, it is called alternating current, or a.c.. • Mains electricity is an a.c. supply, with the UK mains supply being about 230V. • It has a frequency of 50Hz (50 hertz), which means it changes direction, and back again, 50 times a second. • The diagram shows an oscilloscope screen dis ...
VI Lubuska Konferencja Naukowo-Techniczna - i
... The values Isn, Irn, ψn, χn, φsn, φrn depend on the IM parameters, the amplitude of a stator voltage, its initial phase angle shift ψusa (an instant of the IM switching on to a grid) and rotor speed of rotation. As ψn=1=0, χn=1=ω, the stator and rotor transient currents are a sum of three components ...
... The values Isn, Irn, ψn, χn, φsn, φrn depend on the IM parameters, the amplitude of a stator voltage, its initial phase angle shift ψusa (an instant of the IM switching on to a grid) and rotor speed of rotation. As ψn=1=0, χn=1=ω, the stator and rotor transient currents are a sum of three components ...
WEG launches new cost-effective variable speed drive with
... reliable protection for power distribution systems as well as for motors and generators in commercial and industrial applications, particularly in the area of panel building. ...
... reliable protection for power distribution systems as well as for motors and generators in commercial and industrial applications, particularly in the area of panel building. ...
Electrical shock
... These materials have been developed based on applicable federal laws and regulations in place at the time the materials were created. The program is being provided for educational and informational purposes only and does not constitute and is not intended to provide OSHA compliance certification, re ...
... These materials have been developed based on applicable federal laws and regulations in place at the time the materials were created. The program is being provided for educational and informational purposes only and does not constitute and is not intended to provide OSHA compliance certification, re ...
Transducer
... • It consists of a primary coil and secondary coil all in linear arrangement, with a magnetic core free to move inside the coils. The core is normally made of nickel iron alloy and has longitudinal slot as shown in figure to reduce eddy current . • When core slides through transformer, a certain num ...
... • It consists of a primary coil and secondary coil all in linear arrangement, with a magnetic core free to move inside the coils. The core is normally made of nickel iron alloy and has longitudinal slot as shown in figure to reduce eddy current . • When core slides through transformer, a certain num ...
Design of Alternating Magnetic Field Stimulator Using
... frequency magnetic fields in in vivo exposure systems [6]. A 20 kHz magnetic field in vivo exposure facility has been developed by Shigemitsu et al. [7]. For in vitro studies, 23 kHz and 20 kHz magnetic field exposure systems have been developed [8]. However, these systems had problems with rapid co ...
... frequency magnetic fields in in vivo exposure systems [6]. A 20 kHz magnetic field in vivo exposure facility has been developed by Shigemitsu et al. [7]. For in vitro studies, 23 kHz and 20 kHz magnetic field exposure systems have been developed [8]. However, these systems had problems with rapid co ...
Plasma Process 11 IC..
... Class notes for EE6318/Phys 6383 – Spring 2001 This document is for instructional use only and may not be copied or distributed outside of EE6318/Phys 6383 ...
... Class notes for EE6318/Phys 6383 – Spring 2001 This document is for instructional use only and may not be copied or distributed outside of EE6318/Phys 6383 ...
MAGNETIC FIELD COMPUTATION DUE TO HIGH
... A comparison between the results obtained in this work with a similar work over the 132kV power lines shows a clearly convergence of results. Thus, the developed software application is a valid tool for the study of magnetic fields in different situations. It can be used as a support in the transmis ...
... A comparison between the results obtained in this work with a similar work over the 132kV power lines shows a clearly convergence of results. Thus, the developed software application is a valid tool for the study of magnetic fields in different situations. It can be used as a support in the transmis ...
Development of BLDC Motor using Metal Powdered Core for 42V
... recommended to be 42V because of several benefits due to the higher voltage. The cooling fan motor is one of main power consumed electric loads at the present vehicle. So, the development of 42V fan motor is needed. Generally, the 12V Brush type DC motor is used for fan because of use of the existin ...
... recommended to be 42V because of several benefits due to the higher voltage. The cooling fan motor is one of main power consumed electric loads at the present vehicle. So, the development of 42V fan motor is needed. Generally, the 12V Brush type DC motor is used for fan because of use of the existin ...
50 performance analysis of pid controller for three- phase
... the three-phase inverter. The six number of IGBTs in the three-phase inverter are all of same rating and they are two complementary switch pairs in each phase in which only one of the switches in a pair will turn on each time while the other will be turned off. The PWM switching technique generates ...
... the three-phase inverter. The six number of IGBTs in the three-phase inverter are all of same rating and they are two complementary switch pairs in each phase in which only one of the switches in a pair will turn on each time while the other will be turned off. The PWM switching technique generates ...
Effective Estimation of Induction Motor Field Efficiency Based on On-site Measurements
... estimating efficiency of existing three-phase induction motors in the field. This technique focuses on the operating efficiency of motors without the need for removing the motors and without the need for measuring the output power or torque. This paper describes the use of a few sets of data (voltag ...
... estimating efficiency of existing three-phase induction motors in the field. This technique focuses on the operating efficiency of motors without the need for removing the motors and without the need for measuring the output power or torque. This paper describes the use of a few sets of data (voltag ...
Preview of Period 14: Electrical Safety and Transmission
... best course of action probably depends on whether your car is operable.) What actions should you definitely avoid? R.2 If you find a person lying on the ground in contact with a live 2400 volt power line, what should you do? Why? What should you NOT do? Why not? R.3 Explain why each of the following ...
... best course of action probably depends on whether your car is operable.) What actions should you definitely avoid? R.2 If you find a person lying on the ground in contact with a live 2400 volt power line, what should you do? Why? What should you NOT do? Why not? R.3 Explain why each of the following ...
Errors in Electrodynamometer Type Wattmeter
... the current and pressure coils of the watt meter. These errors are quite low at power frequencies. But they increased with increase in frequencies. The effect of mutual inductance can be avoided by arranging the coil system in such a way that they have no mutual inductance. So we can eliminate the e ...
... the current and pressure coils of the watt meter. These errors are quite low at power frequencies. But they increased with increase in frequencies. The effect of mutual inductance can be avoided by arranging the coil system in such a way that they have no mutual inductance. So we can eliminate the e ...
T4903127132
... and synchronous frame and PI regulators. DTC does not need a pulse width modulator and a position encoder, which introduce delays and requires mechanical transducers respectively. DTC based drives are controlled in the manner of a closed loop system without using the current regulation loop. DTC sch ...
... and synchronous frame and PI regulators. DTC does not need a pulse width modulator and a position encoder, which introduce delays and requires mechanical transducers respectively. DTC based drives are controlled in the manner of a closed loop system without using the current regulation loop. DTC sch ...