D n iagnostic ews
... The genesis of any product is a good idea. Through experimentation and field trials, some ideas prove out, and lead to the development of a commercial product. Iris has been fortunate to work with and employ many external industry experts whose good ideas have resulted in several new technology appl ...
... The genesis of any product is a good idea. Through experimentation and field trials, some ideas prove out, and lead to the development of a commercial product. Iris has been fortunate to work with and employ many external industry experts whose good ideas have resulted in several new technology appl ...
Improved Universal Motor Drive
... 3.1 AC DRIVE WITH TRIAC Figure 4 shows an AC drive for Universal motor suitable for a large range of applications. The power switch is a "SNUBBERLESS" TRIAC BTA 12-600BW with a maximum specified gate trigger current of 50mA at 25°C. This TRIAC is pulse driven; A small signal transistor interfaces th ...
... 3.1 AC DRIVE WITH TRIAC Figure 4 shows an AC drive for Universal motor suitable for a large range of applications. The power switch is a "SNUBBERLESS" TRIAC BTA 12-600BW with a maximum specified gate trigger current of 50mA at 25°C. This TRIAC is pulse driven; A small signal transistor interfaces th ...
Lab 5 Document (Word)
... resistors R5 and R8. This circuit has a dc gain of 5.6 and inverts the output with respect to the input signal. The IC U4 is a non-inverting voltage comparator that acts as the pulse width modulator. The triangle wave enter the device on the inverting input and the control voltage, Vc, enters on the ...
... resistors R5 and R8. This circuit has a dc gain of 5.6 and inverts the output with respect to the input signal. The IC U4 is a non-inverting voltage comparator that acts as the pulse width modulator. The triangle wave enter the device on the inverting input and the control voltage, Vc, enters on the ...
Institutionen för systemteknik Department of Electrical Engineering Modeling and Control of Electromechanical
... possibility to obtain good control performance has made it a solid choice amongst vehicle producers [1]. In the heavy-duty vehicle industry, the use of electrical motors is newer and pneumatic actuators have previously been the more common type, since compressed air is already available in the vehic ...
... possibility to obtain good control performance has made it a solid choice amongst vehicle producers [1]. In the heavy-duty vehicle industry, the use of electrical motors is newer and pneumatic actuators have previously been the more common type, since compressed air is already available in the vehic ...
Answers
... Here is an example to help you understand. It refers to running water through a hose: Electric Current is like water flow rate, the “volume” of electricity that flows (measured in amps). Voltage is like water pressure, sort of the driving force “pushing” the electricity (measured in volts). Re ...
... Here is an example to help you understand. It refers to running water through a hose: Electric Current is like water flow rate, the “volume” of electricity that flows (measured in amps). Voltage is like water pressure, sort of the driving force “pushing” the electricity (measured in volts). Re ...
chapter quiz
... created between the alternating pole piece fingers. • These individual magnetic fields produce a current by electromagnetic induction in the stationary stator windings. FIGURE 20-6 Rotor assembly of a typical alternator (AC generator). Current through the slip rings causes the “fingers” of the rotor ...
... created between the alternating pole piece fingers. • These individual magnetic fields produce a current by electromagnetic induction in the stationary stator windings. FIGURE 20-6 Rotor assembly of a typical alternator (AC generator). Current through the slip rings causes the “fingers” of the rotor ...
Computation of Transient Electromagnetic Fields Due to Switching
... It is a condition of the basic FDTD code that the cell size must be comparable with the smallest structure in the computational space. The radiating elements in the substations are mostly the cables and busbars, which will usually have radius smaller the cell size; it is therefore necessary to inclu ...
... It is a condition of the basic FDTD code that the cell size must be comparable with the smallest structure in the computational space. The radiating elements in the substations are mostly the cables and busbars, which will usually have radius smaller the cell size; it is therefore necessary to inclu ...
New algorithms to improve the sensitivity of differential protection of
... calculation of the hot spot temperature of power transformers. The growing integration of information and better hardware capabilities allow new features. For example an increasing sensitivity of protective devices allows to give a warning message if low-current faults occur. Of course all high curr ...
... calculation of the hot spot temperature of power transformers. The growing integration of information and better hardware capabilities allow new features. For example an increasing sensitivity of protective devices allows to give a warning message if low-current faults occur. Of course all high curr ...
Acta Innovations • ISSN 2300-5599 • 2015 • no. 17: 22
... What is more, Buck-Converter is a part of buck family. In this group one can find: buck, buck-boost and buckboost-buck Converters [1]. Buck-Converters work in continuous and discontinuous mode. Generally BuckConverter is used to reduce the input voltage. However this converter ...
... What is more, Buck-Converter is a part of buck family. In this group one can find: buck, buck-boost and buckboost-buck Converters [1]. Buck-Converters work in continuous and discontinuous mode. Generally BuckConverter is used to reduce the input voltage. However this converter ...
Notes
... A transformer is a magnetically coupled coil used in transmission of an electric power. This coil may be electrically link, but not electrically linked as in two winding transformer. It consists of primary winding and secondary winding which the number of turns varies depending on the type of transf ...
... A transformer is a magnetically coupled coil used in transmission of an electric power. This coil may be electrically link, but not electrically linked as in two winding transformer. It consists of primary winding and secondary winding which the number of turns varies depending on the type of transf ...
Effects of the circulating sheath currents in the magnetic field
... Therefore, it is not desirable an indiscriminate burying of the high voltage power lines. The burying of the power lines should be carried out mainly in populated and in ecological areas, whereas in rural areas the electric power ...
... Therefore, it is not desirable an indiscriminate burying of the high voltage power lines. The burying of the power lines should be carried out mainly in populated and in ecological areas, whereas in rural areas the electric power ...
Document
... Corp., Ltd. is selected. Considering the short return travel time and big inertia of the work bench for miller, it is required to configure braking unit and resistor, and the braking resistor is with standard configuration of 30Ω, 5kW based on 100% braking torque; and considering frequent braking, t ...
... Corp., Ltd. is selected. Considering the short return travel time and big inertia of the work bench for miller, it is required to configure braking unit and resistor, and the braking resistor is with standard configuration of 30Ω, 5kW based on 100% braking torque; and considering frequent braking, t ...
Traction Permanent Magnet Synchronous Motor Torque Control with
... The flux weakening control of a traction drive is desirable. It is common for traction drives with asynchronous motors as well as for dc motors. Although it causes other problems, the flux weakening is unavoidable also for PMSM. A point of flux weakening is suppressing of back emf in high speed of d ...
... The flux weakening control of a traction drive is desirable. It is common for traction drives with asynchronous motors as well as for dc motors. Although it causes other problems, the flux weakening is unavoidable also for PMSM. A point of flux weakening is suppressing of back emf in high speed of d ...
2. Flux Weakening of PMSM
... The flux weakening control of a traction drive is desirable. It is common for traction drives with asynchronous motors as well as for dc motors. Although it causes other problems, the flux weakening is unavoidable also for PMSM. A point of flux weakening is suppressing of back emf in high speed of d ...
... The flux weakening control of a traction drive is desirable. It is common for traction drives with asynchronous motors as well as for dc motors. Although it causes other problems, the flux weakening is unavoidable also for PMSM. A point of flux weakening is suppressing of back emf in high speed of d ...