ABB Oy AC Drive efficiency and loss estimation Example, quadratic
... efficiency of motors and drives to cost savings. This is the reason why DriveSize prefer to show the heat losses as such even though English word “loss” have a negative meaning too. In the other hand at very small partial loads low efficiency numbers might give wrong conception about the magnitude o ...
... efficiency of motors and drives to cost savings. This is the reason why DriveSize prefer to show the heat losses as such even though English word “loss” have a negative meaning too. In the other hand at very small partial loads low efficiency numbers might give wrong conception about the magnitude o ...
MAX1954A Low-Cost, Current-Mode PWM Buck Controller with Foldback Current Limit General Description
... The MAX1954A synchronous current-mode, pulsewidth modulation (PWM) buck controller is pin compatible with the popular MAX1954 and is suitable for applications where cost and size are critical. The MAX1954A operates from an input voltage range of 3.0V to 13.2V, independent of the IC supply. The outpu ...
... The MAX1954A synchronous current-mode, pulsewidth modulation (PWM) buck controller is pin compatible with the popular MAX1954 and is suitable for applications where cost and size are critical. The MAX1954A operates from an input voltage range of 3.0V to 13.2V, independent of the IC supply. The outpu ...
(GFCI) with Self Test and Lockout
... SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC reserves the right to make changes without further notice to any ...
... SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC reserves the right to make changes without further notice to any ...
International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.2, pp. 1765-1770
... systems. Also, the cost of the distribution technology decreases and the cost of the transmission technology increases; this fact draws the interest of the governments and utilities to invest in renewable resources like wind and solar energy, fuel cells etc. ...
... systems. Also, the cost of the distribution technology decreases and the cost of the transmission technology increases; this fact draws the interest of the governments and utilities to invest in renewable resources like wind and solar energy, fuel cells etc. ...
RF5745 2.4GHz TO 2.5GHz, 802.11b/g/n SINGLE-BAND FRONT END MODULE Features
... The RF5745 is an integrated front-end module (FEM) for high performance ZigBee® (802.15.4) and WiFi (802.11b/g) applications in the 2.4GHz to 2.5GHz ISM band. The FEM addresses the need for aggressive size reduction by integrating 50 matching networks to all RF ports and minimizing the number of ex ...
... The RF5745 is an integrated front-end module (FEM) for high performance ZigBee® (802.15.4) and WiFi (802.11b/g) applications in the 2.4GHz to 2.5GHz ISM band. The FEM addresses the need for aggressive size reduction by integrating 50 matching networks to all RF ports and minimizing the number of ex ...
LIGHTNING THEORY – Explanations
... 2.2 Smart Grid and Communications Much has been written about the protection of equipment connected to Smart Grid AC power [see for example www.NEMASURGE.com], but little has been said about protection of Smart Grid communications. Protection of communication links is important, because Smart Grid o ...
... 2.2 Smart Grid and Communications Much has been written about the protection of equipment connected to Smart Grid AC power [see for example www.NEMASURGE.com], but little has been said about protection of Smart Grid communications. Protection of communication links is important, because Smart Grid o ...
THREE PHASE INVERTER DEVELOPMENT USING COMMON
... ac transmission systems), arbitrary voltages are also required in some emerging applications (e.g., active filters, voltage compensators). The standard three-phase VSI topology is shown in Figure 2.2 and the eight valid switch states are given in Table 1. As in single-phase VSIs, the switches of any ...
... ac transmission systems), arbitrary voltages are also required in some emerging applications (e.g., active filters, voltage compensators). The standard three-phase VSI topology is shown in Figure 2.2 and the eight valid switch states are given in Table 1. As in single-phase VSIs, the switches of any ...
MC34023 - High Speed PWM Controller
... value of RT, the charge current is set through a current mirror for the timing capacitor CT. This charge current runs continuously through CT. The discharge current is ratioed to be 10 times the charge current, which yields the maximum duty cycle of 90%. CT is charged to 2.8 V and discharged to 1.0 ...
... value of RT, the charge current is set through a current mirror for the timing capacitor CT. This charge current runs continuously through CT. The discharge current is ratioed to be 10 times the charge current, which yields the maximum duty cycle of 90%. CT is charged to 2.8 V and discharged to 1.0 ...
TTR 100 Handheld TTR
... This unit measures the highest turns ratio in the industry with an accuracy of 0.1% or better and with the lowest excitation voltage. No other instrument’s performance is comparable that is commercially available today. Another excellent feature of this TTR is the ability to accurately measure phase ...
... This unit measures the highest turns ratio in the industry with an accuracy of 0.1% or better and with the lowest excitation voltage. No other instrument’s performance is comparable that is commercially available today. Another excellent feature of this TTR is the ability to accurately measure phase ...
Simulation and Analysis of 150° Conduction Mode For
... inverters can be connected in parallel in order to get a three phase output. They are used normally for high power applications. In order to obtain three phase balanced voltages, the gating signals of the three single phase inverters should be advanced or delayed 120° with respect to each other. Dep ...
... inverters can be connected in parallel in order to get a three phase output. They are used normally for high power applications. In order to obtain three phase balanced voltages, the gating signals of the three single phase inverters should be advanced or delayed 120° with respect to each other. Dep ...
P84824
... CAUTION: Check the installation instructions of the manufacturers of other equipment used in the system for any guidelines or restrictions on wiring and/or locating Notification Appliance Circuits (NAC) and notification appliances. Some system communication circuits and/or audio circuits, for exampl ...
... CAUTION: Check the installation instructions of the manufacturers of other equipment used in the system for any guidelines or restrictions on wiring and/or locating Notification Appliance Circuits (NAC) and notification appliances. Some system communication circuits and/or audio circuits, for exampl ...
