UNIT – 5 Explain the different starting methods for 3
... (ii) Stator resistance starting (iii) Autotransformer starting (iv) Star-delta starting (v) Rotor resistance starting Methods (i) to (iv) are applicable to both squirrel-cage and slip ring motors. However, method (v) is applicable only to slip ring motors. In practice, any one of the first four meth ...
... (ii) Stator resistance starting (iii) Autotransformer starting (iv) Star-delta starting (v) Rotor resistance starting Methods (i) to (iv) are applicable to both squirrel-cage and slip ring motors. However, method (v) is applicable only to slip ring motors. In practice, any one of the first four meth ...
Module B3 Problem 1 The 3-phase loads are connected in parallel
... The 3-phase loads are connected in parallel. One is a purely resistive load connected in wye. It consumes 300kW. The second is a purely inductive 300kVAR load connected in wye. The third is a purely capacitive 300kVAR load connected in wye. The line-to-line voltage at the load is 5kV. A 3-phase dist ...
... The 3-phase loads are connected in parallel. One is a purely resistive load connected in wye. It consumes 300kW. The second is a purely inductive 300kVAR load connected in wye. The third is a purely capacitive 300kVAR load connected in wye. The line-to-line voltage at the load is 5kV. A 3-phase dist ...
MLX81106/7/8/9
... Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent ...
... Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent ...
tl7705 - supply voltage supervisors
... High-level output current, IOH, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30 mA Low-level output current, IOL, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Con ...
... High-level output current, IOH, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30 mA Low-level output current, IOL, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Con ...
AND8394 - Power Factor Corrected Power Supply for LED Drivers
... This resulted in significantly reduced switching losses in MOSFET Q1 over a similar CRM based design. The single stage PFC conversion process, regardless of the operational mode, has several compromises over the traditional 2−stage conversion scheme of Figure 1. They are as follows: • As with any po ...
... This resulted in significantly reduced switching losses in MOSFET Q1 over a similar CRM based design. The single stage PFC conversion process, regardless of the operational mode, has several compromises over the traditional 2−stage conversion scheme of Figure 1. They are as follows: • As with any po ...
Performance Evaluation of Adaptive Tabu Search Algorithm
... flow chart for search of parameters using adaptive tabu search method. Since this paper is predicated on the critical analysis based on THD of the source it has been seen that the objective function taken has shown its effectiveness, which may be seen from the reduction of THD. Computational time ha ...
... flow chart for search of parameters using adaptive tabu search method. Since this paper is predicated on the critical analysis based on THD of the source it has been seen that the objective function taken has shown its effectiveness, which may be seen from the reduction of THD. Computational time ha ...
BQ24090 数据资料 dataSheet 下载
... Li-ion linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The bq2409x has a single power output that charges the batt ...
... Li-ion linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The bq2409x has a single power output that charges the batt ...
MAX5986A–MAX5986C/MAX5987A IEEE 802.3af-Compliant, High-Efficiency, Class 1/
... Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Expo ...
... Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Expo ...
MAX1693/(MAX1693H)/MAX1694 USB Current-Limited Switches with Fault Blanking General Description
... The MAX1693/(MAX1693H)/MAX1694 feature 10ms fault blanking. Fault blanking allows current-limit faults, including momentary short-circuit faults that occur when hot-swapping a capacitive load, and also ensures that no fault is issued during power-up. When a load transient causes the device to enter ...
... The MAX1693/(MAX1693H)/MAX1694 feature 10ms fault blanking. Fault blanking allows current-limit faults, including momentary short-circuit faults that occur when hot-swapping a capacitive load, and also ensures that no fault is issued during power-up. When a load transient causes the device to enter ...
Efficiency and Open Circuit Voltage
... such as enthalpy, Helmholtz function, and Gibbs free energy are used. In recent years the useful term ‘exergy’ has become quite widely used, and the concept is particularly useful in high-temperature fuel cells. There are also older (but still useful) terms such as calorific value. In the case of fu ...
... such as enthalpy, Helmholtz function, and Gibbs free energy are used. In recent years the useful term ‘exergy’ has become quite widely used, and the concept is particularly useful in high-temperature fuel cells. There are also older (but still useful) terms such as calorific value. In the case of fu ...
pth05t210w.pdf
... also offers enhanced stability when used with ultra-low ESR output capacitors. The PTH05T210W incorporates a comprehensive list of standard features. They include on/off inhibit, a differential remote output voltage sense which ensures tight load regulation, and an output overcurrent and overtempera ...
... also offers enhanced stability when used with ultra-low ESR output capacitors. The PTH05T210W incorporates a comprehensive list of standard features. They include on/off inhibit, a differential remote output voltage sense which ensures tight load regulation, and an output overcurrent and overtempera ...
Casco diode - the key to high PFC efficiency BYC58X-600
... The test results, given in Figures 6 and 7, show that the Casco diode, with its shorter trr and lower VF, consistently achieves similar effiency to the Q-speed ...
... The test results, given in Figures 6 and 7, show that the Casco diode, with its shorter trr and lower VF, consistently achieves similar effiency to the Q-speed ...
A Modified Bipolar Translinear Cell with Improved Linear Range and
... proposed mixed translinear cell is increased compared to the mixed translinear cell in Fig. 1. It is noted that the offset voltage of the mixed translinear cell in Fig. 1 is approximately 700 µV while the proposed circuit has approximately 5 mV, because the proposed circuit is affected by the differ ...
... proposed mixed translinear cell is increased compared to the mixed translinear cell in Fig. 1. It is noted that the offset voltage of the mixed translinear cell in Fig. 1 is approximately 700 µV while the proposed circuit has approximately 5 mV, because the proposed circuit is affected by the differ ...
Project 1 – Problem 1
... and manual override. If the button is pressed to be put in the 5th mode, the relay is deactivated and the light is turned off. Also, if the occupancy detector says nobody is inside the room, the relay is again deactivated. By using two phototransistors, the direction of movement can be determined, ...
... and manual override. If the button is pressed to be put in the 5th mode, the relay is deactivated and the light is turned off. Also, if the occupancy detector says nobody is inside the room, the relay is again deactivated. By using two phototransistors, the direction of movement can be determined, ...
Aalborg Universitet synchronization method
... The simple dq-PLL structure is presented in Fig. 4, where a PI controller is used in the synchronous reference frame to extract the phase angle of the fundamental voltage. The tuning process of such a PLL is based on the linearized small signal analysis of the PLL as presented in [6], [33], [35]. In ...
... The simple dq-PLL structure is presented in Fig. 4, where a PI controller is used in the synchronous reference frame to extract the phase angle of the fundamental voltage. The tuning process of such a PLL is based on the linearized small signal analysis of the PLL as presented in [6], [33], [35]. In ...
Resistance - Pearson Canada
... Figure 3.4 reveals that for copper (and most other metallic conductors), the resistance increases almost linearly (in a straight-line relationship) with an increase in temperature. Since temperature can have such a strong effect on the resistance of a conductor, it is important that we have some met ...
... Figure 3.4 reveals that for copper (and most other metallic conductors), the resistance increases almost linearly (in a straight-line relationship) with an increase in temperature. Since temperature can have such a strong effect on the resistance of a conductor, it is important that we have some met ...
Realization of Square-Root Domain integrators with large time
... nature, offer a large dynamic range (DR) with potential for operation in modern low-voltage environment. These stem from the fact that the voltages at integration nodes are compressed versions of the voltages of their conventional linear counterparts and, therefore, reduced voltage swings are observ ...
... nature, offer a large dynamic range (DR) with potential for operation in modern low-voltage environment. These stem from the fact that the voltages at integration nodes are compressed versions of the voltages of their conventional linear counterparts and, therefore, reduced voltage swings are observ ...
AQ 200 Relay Output Guideline 1.0
... Surge suppressor is a protective device that is used to prevent high voltage peaks to buildup when coil is de-energized and the magnetic field collapses causing the amount of energy stored in the coil to be released. ...
... Surge suppressor is a protective device that is used to prevent high voltage peaks to buildup when coil is de-energized and the magnetic field collapses causing the amount of energy stored in the coil to be released. ...