IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... Abstract: In order to ascertain that an electric power is economically transferred over the grid system with maximum efficiency and reliability at virtually fixed voltage and frequency to consumers, it becomes imperative to carry out power flow studies. This study presents a model of an electrical d ...
... Abstract: In order to ascertain that an electric power is economically transferred over the grid system with maximum efficiency and reliability at virtually fixed voltage and frequency to consumers, it becomes imperative to carry out power flow studies. This study presents a model of an electrical d ...
OR3425552561
... these goals, the grid voltages are sensed and are synchronized in generating the current command for the inverter. The proposed grid connected system is implemented for power quality improvement at point of common coupling (PCC), as shown in Fig. 1. The grid connected system in Fig. 1, consists of w ...
... these goals, the grid voltages are sensed and are synchronized in generating the current command for the inverter. The proposed grid connected system is implemented for power quality improvement at point of common coupling (PCC), as shown in Fig. 1. The grid connected system in Fig. 1, consists of w ...
A Power Quality Gold Mine for Prominent Hill
... to mitigate the step voltage drops caused during the start-up of the mine. Among the key requirements were to maintain the 11 kV load power factor at around unity and limit the step voltage change during start-up of each set of two 6 MW motors to a maximum of 5%. In addition, all this had to be done ...
... to mitigate the step voltage drops caused during the start-up of the mine. Among the key requirements were to maintain the 11 kV load power factor at around unity and limit the step voltage change during start-up of each set of two 6 MW motors to a maximum of 5%. In addition, all this had to be done ...
EV Acronym Glossary - Electric Vehicle Institute
... Is an object made from a material that is magnetized and creates its own continuos magnetic field, which is being used inside induction motors to eliminate “slip”, and produce better energy efficiency over a wider speed range. ...
... Is an object made from a material that is magnetized and creates its own continuos magnetic field, which is being used inside induction motors to eliminate “slip”, and produce better energy efficiency over a wider speed range. ...
reactive power - KFUPM Faculty List
... motors, to reduce transmission losses and to maintain the ability of the system to withstand and prevent voltage collapse. In general terms, decreasing reactive power causing voltage to fall while increasing it causing voltage to rise. A voltage collapse occurs when the system try to serve much more ...
... motors, to reduce transmission losses and to maintain the ability of the system to withstand and prevent voltage collapse. In general terms, decreasing reactive power causing voltage to fall while increasing it causing voltage to rise. A voltage collapse occurs when the system try to serve much more ...
ac synchronous generators
... the workhorse of the power generation arena. Why? They are not as power limited as DC generators and voltage-level shifting is less expensive using AC (via transformers) rather than DC (power electronics). Thus, terrestrially at your local power generation plant or shipboard, you will find a synchro ...
... the workhorse of the power generation arena. Why? They are not as power limited as DC generators and voltage-level shifting is less expensive using AC (via transformers) rather than DC (power electronics). Thus, terrestrially at your local power generation plant or shipboard, you will find a synchro ...
Uninterruptible Power Supplies (UPS)
... Line interactives can deliver the perfect sine-wave, but the option to provide that will cost extra. They usually have a fair switchover time, usually less than four milliseconds. Their surge protection meets industry standard specs, although they cannot absorb the many joules of energy that the onl ...
... Line interactives can deliver the perfect sine-wave, but the option to provide that will cost extra. They usually have a fair switchover time, usually less than four milliseconds. Their surge protection meets industry standard specs, although they cannot absorb the many joules of energy that the onl ...
OLPD Testing of 10 kV Motors and Generators Following
... been carried out on the rotating HV machines with the HVPD Longshot™ four years earlier, immediately after commissioning. Whilst these baseline tests had shown low levels of OLPD activity on all of the machines tested, they had not been tested since, over 4 years of operation in a harsh desert envir ...
... been carried out on the rotating HV machines with the HVPD Longshot™ four years earlier, immediately after commissioning. Whilst these baseline tests had shown low levels of OLPD activity on all of the machines tested, they had not been tested since, over 4 years of operation in a harsh desert envir ...
Fuses Plugs and Switches
... In houses today most fuse boxes are being replaced by a set of switches called circuit breakers. These act a bit like a fuse, cutting off the supply if there is a problem. However they are based on an electronic circuit and are safer than fuses because they act to cut off the current much more quick ...
... In houses today most fuse boxes are being replaced by a set of switches called circuit breakers. These act a bit like a fuse, cutting off the supply if there is a problem. However they are based on an electronic circuit and are safer than fuses because they act to cut off the current much more quick ...
Smart Panel - Remap Network
... each of these substrings, a parallel MOSFET (STR1, STR2 and STR3) is connected to provide substring bypass functionality in the event that substring is shaded and not able to provide enough power to operate. Replacement of the bypass diodes with low-loss MOSFETs dramatically reduces the power dissip ...
... each of these substrings, a parallel MOSFET (STR1, STR2 and STR3) is connected to provide substring bypass functionality in the event that substring is shaded and not able to provide enough power to operate. Replacement of the bypass diodes with low-loss MOSFETs dramatically reduces the power dissip ...
FlexSEA-Execute: Advanced Motion Controller for Wearable Robotic
... for energy storage, and electric motors are the principal source of mechanical power. They can be brushed [2][10][12] or brushless direct current (BLDC) [1][3][5]. The higher power to weight ratio of the latter is beneficial, but it comes at the cost of more complicated power electronics. Electric m ...
... for energy storage, and electric motors are the principal source of mechanical power. They can be brushed [2][10][12] or brushless direct current (BLDC) [1][3][5]. The higher power to weight ratio of the latter is beneficial, but it comes at the cost of more complicated power electronics. Electric m ...
What is MTRMX-Nx MTRMX-Nx Feature List
... Uses NXT compatible I2C protocol for communications. Drives four Lego motors with 255 speed steps and brake, float, forward and reverse options Is able to apply variable braking power. Able to drive any motor rated up to 35V/0.6A. Reverse polarity protection on motor supply side. ...
... Uses NXT compatible I2C protocol for communications. Drives four Lego motors with 255 speed steps and brake, float, forward and reverse options Is able to apply variable braking power. Able to drive any motor rated up to 35V/0.6A. Reverse polarity protection on motor supply side. ...
GENERATOR DC / AC 60 HZ, SPEED = …3600 RPM
... ** External case drain line may be required on some units refer to specific model number. When external case drain is required it should be unobstructed direct return to reservoir with a minimum I.D. no less than that of case drain port on generator motor. FOR SPECIFIC INSTALLATION RECOMMENDATIONS C ...
... ** External case drain line may be required on some units refer to specific model number. When external case drain is required it should be unobstructed direct return to reservoir with a minimum I.D. no less than that of case drain port on generator motor. FOR SPECIFIC INSTALLATION RECOMMENDATIONS C ...
Guidance On Electrical Installation Practices To Reduce EMF From
... EMF from low voltage electrical installations and sources which do not belong to the electricity supply industry. This includes designing distribution facilities, switchboards and higher current wiring systems having regard to their capacity to produce magnetic fields, and installing or siting them ...
... EMF from low voltage electrical installations and sources which do not belong to the electricity supply industry. This includes designing distribution facilities, switchboards and higher current wiring systems having regard to their capacity to produce magnetic fields, and installing or siting them ...
Comparison of harmonic limit allocations in IEC TR 61000-3
... g) 8.2.2.2 and 8.2.2.3 highlight limitations of the basic rules and offers alternatives adding to complexity e.g. “For distribution systems with long cables and overhead lines, where customer installations are distributed along the length of the feeders, the above approach may result in specifying t ...
... g) 8.2.2.2 and 8.2.2.3 highlight limitations of the basic rules and offers alternatives adding to complexity e.g. “For distribution systems with long cables and overhead lines, where customer installations are distributed along the length of the feeders, the above approach may result in specifying t ...
A low-voltage three-phase AC generator built from
... Abstract: - A circuit capable of delivering three 40Vpp 50Hz AC voltage outputs with 120º phase separation between them has been built. It uses standard, low-cost electronic components and, unlike other previous similar power supplies [1-3], the present circuit is entirely based on analogue electron ...
... Abstract: - A circuit capable of delivering three 40Vpp 50Hz AC voltage outputs with 120º phase separation between them has been built. It uses standard, low-cost electronic components and, unlike other previous similar power supplies [1-3], the present circuit is entirely based on analogue electron ...
In this paper, a three-level quasi-two-stage single
... However, the main power switches in these bridgeless topologies are still under high-voltage stress and the DCM operation also implies that they are only suitable for relatively low-power applications because of the high peak current in the boost inductor. EXISTING SYSTEM: In this approach, there ar ...
... However, the main power switches in these bridgeless topologies are still under high-voltage stress and the DCM operation also implies that they are only suitable for relatively low-power applications because of the high peak current in the boost inductor. EXISTING SYSTEM: In this approach, there ar ...
Electrification
Electrification is the process of powering by electricity and is usually associated with changing over from another power source. The broad meaning of the term, such as in the history of technology and economic history, usually applies to a region or national economy. Broadly speaking, electrification was the build out of the electrical generating and distribution systems which occurred in Britain, the United States, and other countries from the mid-1880s until around 1950 and is in progress in rural areas in some developing countries. This included the change over from line shaft and belt drive using steam engines and water power to electric motors.The electrification of particular sectors of the economy is called by terms such as factory electrification, household electrification, rural electrification or railway electrification. It may also apply to changing industrial processes such as smelting, melting, separating or refining from coal or coke heating or chemical processes to some type of electric process such as electric arc furnace, electric induction or resistance heating or electrolysis or electrolytic separating.Electrification was called ""the greatest engineering achievement of the 20th Century"" by the National Academy of Engineering.