10. electro magnetism
... Magnetic Field and Field Lines due to a Current in a Straight Conductor : (i) The magnetic field lines form concentric circles around the wire with their plane perpendicular to the straight wire and with their centres lying on the wire. (ii) When the direction of current in the wire is reversed, it ...
... Magnetic Field and Field Lines due to a Current in a Straight Conductor : (i) The magnetic field lines form concentric circles around the wire with their plane perpendicular to the straight wire and with their centres lying on the wire. (ii) When the direction of current in the wire is reversed, it ...
Drives on Single Phase Supplies
... loading on smaller supplies may be relatively high. A DC bus choke is mandatory for VSD’s operating on a SWER supply. The sizing of the transformer and the VSD/motor loading on the supply needs to be taken into consideration when concerned about harmonics. The effect of excessive harmonics may cause ...
... loading on smaller supplies may be relatively high. A DC bus choke is mandatory for VSD’s operating on a SWER supply. The sizing of the transformer and the VSD/motor loading on the supply needs to be taken into consideration when concerned about harmonics. The effect of excessive harmonics may cause ...
Reference Design Report for a 150 W Power Factor Corrected LLC
... Components R17-19 and R23 provide output voltage feedback. Capacitor C15 provides fast dv/dt feedback to the U1 FB pin for rapid undershoot and overshoot response of the PFC circuit. Frequency compensation is provided by C19, C20, and R21, R22, and R24. Resistors R10-12 (filtered by C10) provide inp ...
... Components R17-19 and R23 provide output voltage feedback. Capacitor C15 provides fast dv/dt feedback to the U1 FB pin for rapid undershoot and overshoot response of the PFC circuit. Frequency compensation is provided by C19, C20, and R21, R22, and R24. Resistors R10-12 (filtered by C10) provide inp ...
1 - Mirus International Inc.
... .1 As a standard feature, the HMPC shall come equipped with a Harmony-2E™ dual output, low zero sequence impedance, phase shifting Harmonic Mitigating Transformer (HMT). [Three output Harmony-3™ and single output Harmony-1E™ models are optional]. The transformer rating shall be the same as the conti ...
... .1 As a standard feature, the HMPC shall come equipped with a Harmony-2E™ dual output, low zero sequence impedance, phase shifting Harmonic Mitigating Transformer (HMT). [Three output Harmony-3™ and single output Harmony-1E™ models are optional]. The transformer rating shall be the same as the conti ...
as PDF
... requirements vary from country to country. Countries like India where the wind energy systems increasing rapidly, a wind farm has to be able to contribute to control task on the same level as conventional power plants, constrained only by limitation of existing wind conditions. In general the requir ...
... requirements vary from country to country. Countries like India where the wind energy systems increasing rapidly, a wind farm has to be able to contribute to control task on the same level as conventional power plants, constrained only by limitation of existing wind conditions. In general the requir ...
closed-form solution of a three-phase voltage
... To check the validity of the proposed approach, the obtained results are compared with previously published results obtained for static R-L loads [28]. In reference [28] results were obtained numerically and analytically when a VSI is feeding a static R-L load. Fig. 4 shows the instantaneous values ...
... To check the validity of the proposed approach, the obtained results are compared with previously published results obtained for static R-L loads [28]. In reference [28] results were obtained numerically and analytically when a VSI is feeding a static R-L load. Fig. 4 shows the instantaneous values ...
Advantages and Disadvantages of Different Types of Neutral
... being made between two phases of the system or between one phase and an adjacent grounded metal surface. Because they are low resistance, high current events, this type of fault may actually be less destructive because the energy is spread over a large area and the protective devices are activated v ...
... being made between two phases of the system or between one phase and an adjacent grounded metal surface. Because they are low resistance, high current events, this type of fault may actually be less destructive because the energy is spread over a large area and the protective devices are activated v ...
Tactile Feedback Solutions Using Piezoelectric Actuators
... One of the drawbacks of piezo-based haptics has traditionally been the complexity of the solution. Typical piezo-based solutions have used discrete components to implement the complete tactile feedback system; the extra discrete components included a microcontroller, flyback boost or charge-pump int ...
... One of the drawbacks of piezo-based haptics has traditionally been the complexity of the solution. Typical piezo-based solutions have used discrete components to implement the complete tactile feedback system; the extra discrete components included a microcontroller, flyback boost or charge-pump int ...
Several different technologies are used in the generator portion of
... current is decreased, lowering the output from the alternator. ...
... current is decreased, lowering the output from the alternator. ...
Advancing Power Line Communication: Cognitive, Cooperative, and
... PLC system deployments. PLC is a old idea, that has been cyclicly investigated, for dealing with new demands for data communications in scenarios that are constantly changing. In fact, at the beginning of the 20th century, it was investigated as an infrastructure for telephony and for assisting oper ...
... PLC system deployments. PLC is a old idea, that has been cyclicly investigated, for dealing with new demands for data communications in scenarios that are constantly changing. In fact, at the beginning of the 20th century, it was investigated as an infrastructure for telephony and for assisting oper ...
Selecting among DRV88xx devices to drive Brushed or Stepper
... Control Current Magnitude: By applying a PWM signal which in turn enables and disables the FETs periodically and at specified rate, we can control how much time the FETs are turned ON, which for an inductive load this translates to how long the current can increase across the inductive element. Once ...
... Control Current Magnitude: By applying a PWM signal which in turn enables and disables the FETs periodically and at specified rate, we can control how much time the FETs are turned ON, which for an inductive load this translates to how long the current can increase across the inductive element. Once ...
Shaft Grounding and Sliding Electrical Contacts
... A sliding electrical contact is a component that conducts electrical power between surfaces that are in relative motion. The most common applications have been the many types of motors and generators that require power to the rotating part. The electrical and magnetic circuits in these machines inhe ...
... A sliding electrical contact is a component that conducts electrical power between surfaces that are in relative motion. The most common applications have been the many types of motors and generators that require power to the rotating part. The electrical and magnetic circuits in these machines inhe ...
AutomationNotebook Issue 5
... Controller module also has an option for connecting an external temperature sensor that adjusts the battery charging voltage automatically to avoid overcharging and increase battery life. The Buffer Module uses a capacitor bank to store energy and is therefore maintenance free. The hold-up time of t ...
... Controller module also has an option for connecting an external temperature sensor that adjusts the battery charging voltage automatically to avoid overcharging and increase battery life. The Buffer Module uses a capacitor bank to store energy and is therefore maintenance free. The hold-up time of t ...
motors and generators
... bearing caps closed with pipe plugs. One full turn of each cup is recommended for each 2 to 6 months of normal operation eight hours per day. The manufacturer's notice on the motor will indicate what the period should be. The grease in the bearing caps equipped with pipe plugs (Figure 16) should be ...
... bearing caps closed with pipe plugs. One full turn of each cup is recommended for each 2 to 6 months of normal operation eight hours per day. The manufacturer's notice on the motor will indicate what the period should be. The grease in the bearing caps equipped with pipe plugs (Figure 16) should be ...
SEMITOP 3 Power Board
... Application Note was written for TRIAC, the isolation constraints still apply for fast switching semiconductor devices such as IGBTs.) ...
... Application Note was written for TRIAC, the isolation constraints still apply for fast switching semiconductor devices such as IGBTs.) ...
BASIC SET-UP GUIDE –- gtb 2 ESC
... ESC with a damaged PowerCap, using a Schottky diode, splices to input, ON/OFF switch, or sensor harnesses, replacing power wires with all same color wires, damage from excessive force when using the One-Touch/SET button or from disassembling case, tampering with internal electronics, allowing water, ...
... ESC with a damaged PowerCap, using a Schottky diode, splices to input, ON/OFF switch, or sensor harnesses, replacing power wires with all same color wires, damage from excessive force when using the One-Touch/SET button or from disassembling case, tampering with internal electronics, allowing water, ...
IEC-61968-2-DTR2
... all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, ...
... all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, ...
Electrical Maintenance - Career and Technical Education
... electrical symbols and diagrams, industrial power and control circuits, electrical equipment and devices, electrical motors, and an introduction to programmable logic controllers, as applied in industrial locations. Emphasis will be placed on career exploration, job seeking skills, and personal and ...
... electrical symbols and diagrams, industrial power and control circuits, electrical equipment and devices, electrical motors, and an introduction to programmable logic controllers, as applied in industrial locations. Emphasis will be placed on career exploration, job seeking skills, and personal and ...
Quick Reference - Schneider Electric Motion USA
... Installation, configuration and maintenance must be carried out by qualified technicians only. You must have detailed information to be able to carry out this work. This information can be found in the user manuals. • Unexpected dangers may be encountered when working with this product! • Incorrect ...
... Installation, configuration and maintenance must be carried out by qualified technicians only. You must have detailed information to be able to carry out this work. This information can be found in the user manuals. • Unexpected dangers may be encountered when working with this product! • Incorrect ...
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.