Synchronous Generator Load Angle Measurement and Estimation
... extreme situations that can appear in operating conditions not exceeding the range of allowable loading. The exceeding of allowable loading would cause the activation of generator protection and disconnection of a synchronous generator from an AC system. This could cause (depending on the state of a ...
... extreme situations that can appear in operating conditions not exceeding the range of allowable loading. The exceeding of allowable loading would cause the activation of generator protection and disconnection of a synchronous generator from an AC system. This could cause (depending on the state of a ...
SMV Manual - Lectrosonics.com
... All wireless links suffer from channel noise to some degree, and all wireless microphone systems seek to minimize the impact of that noise on the desired signal. Conventional analog systems use compandors for enhanced dynamic range, at the cost of subtle artifacts (typically “pumping” and “breathing ...
... All wireless links suffer from channel noise to some degree, and all wireless microphone systems seek to minimize the impact of that noise on the desired signal. Conventional analog systems use compandors for enhanced dynamic range, at the cost of subtle artifacts (typically “pumping” and “breathing ...
Switch Mode Battery Chargers for Utilities
... SMR has different service requirements. Since a single charger is made of multiple power units, the failure of one unit will reduce the available dc power but does not shut down the system. As an example, a 150A charger composed of 5 x 30A units can provide 120A (4 x 30A) if one unit fails, which re ...
... SMR has different service requirements. Since a single charger is made of multiple power units, the failure of one unit will reduce the available dc power but does not shut down the system. As an example, a 150A charger composed of 5 x 30A units can provide 120A (4 x 30A) if one unit fails, which re ...
ETRX358x ZIGBEE MODULES PRODUCT MANUAL
... Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equiva ...
... Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equiva ...
IGBT Module for Advanced NPC Topology
... DC voltage = 660 V and output current = 145 A. As a result, the A-NPC inverter exhibited the smallest power dissipation and was 23% lower than the conventional 2-level inverter and 9% lower than the NPC inverter. Additionally, A-NPC has the highest power conversion efficiency of 97.73%, which was an ...
... DC voltage = 660 V and output current = 145 A. As a result, the A-NPC inverter exhibited the smallest power dissipation and was 23% lower than the conventional 2-level inverter and 9% lower than the NPC inverter. Additionally, A-NPC has the highest power conversion efficiency of 97.73%, which was an ...
Using the i.MX28 Power Management Unit and Battery Charger
... The VDD5V_GT_VDDIO detection method is the default method used at the device startup. This allows the PMU to determine the status of the VDD5V source before the internal bias and comparators are enabled. When the software gains control over the processor, the VBUSVALID method is initialized and used ...
... The VDD5V_GT_VDDIO detection method is the default method used at the device startup. This allows the PMU to determine the status of the VDD5V source before the internal bias and comparators are enabled. When the software gains control over the processor, the VBUSVALID method is initialized and used ...
Chapter 2 2 OVERVIEW OF THE FACTORS AFFECTING THE
... The switching power is proportional to αfCVdd2, where α is the switching activity per clock cycle, f is the clock frequency, C is the capacitance that is (dis)charged, and Vdd is the voltage swing. The switching activity is increased by glitches, which typically cause 15% to 20% of the activity in c ...
... The switching power is proportional to αfCVdd2, where α is the switching activity per clock cycle, f is the clock frequency, C is the capacitance that is (dis)charged, and Vdd is the voltage swing. The switching activity is increased by glitches, which typically cause 15% to 20% of the activity in c ...
Using Laser Trimmable Resistors
... frequency or gain (active trim). The following factors have to be considered: • The resistive layer has to be vaporized while minimizing the penetration into the underlying ceramic. • The laser beam must be in focus. Otherwise the power density decreases rapidly, resulting in incomplete material rem ...
... frequency or gain (active trim). The following factors have to be considered: • The resistive layer has to be vaporized while minimizing the penetration into the underlying ceramic. • The laser beam must be in focus. Otherwise the power density decreases rapidly, resulting in incomplete material rem ...
Wiring A Tortoise Switch Machine for the Mainline
... 2. Bend the under-layout portion of the crank to the vertical. It should be about ⅛-inch below the sub-roadbed. 3. Check for smooth action of the crank 4. I cut the under-layout portion of the crank to about 1.25 inches from the tubing. 5. Build a shepherd’s crook (see photo and diagram) from 0.039 ...
... 2. Bend the under-layout portion of the crank to the vertical. It should be about ⅛-inch below the sub-roadbed. 3. Check for smooth action of the crank 4. I cut the under-layout portion of the crank to about 1.25 inches from the tubing. 5. Build a shepherd’s crook (see photo and diagram) from 0.039 ...
Impact of high WPPs penetration on the Vietnam Power System Vijay Vittal
... bus at Vinh Tan thermal plant which is cleared after 0.08 s by tripping one generator-transformer connected directly to the faulted bus. The Vinh Tan 220 kV bus in Binh Thuan province is tightly coupled with the 220 kV connection points of all WPPs in the base case (Fig. 1). Hence, a short circuit o ...
... bus at Vinh Tan thermal plant which is cleared after 0.08 s by tripping one generator-transformer connected directly to the faulted bus. The Vinh Tan 220 kV bus in Binh Thuan province is tightly coupled with the 220 kV connection points of all WPPs in the base case (Fig. 1). Hence, a short circuit o ...
SG-500 Linear Amplifier
... SGC recommends that only a 100-Ah, deep-cycle marine/RV type battery to be used for this application. Note that the power supply may over-charge the battery if left connected when the SG-500 is not in use. Also, if an internal bleeder resistor is used in the power supply, the battery will discharge ...
... SGC recommends that only a 100-Ah, deep-cycle marine/RV type battery to be used for this application. Note that the power supply may over-charge the battery if left connected when the SG-500 is not in use. Also, if an internal bleeder resistor is used in the power supply, the battery will discharge ...
Section 9.5 Electric Motors
... to determine which way the motor should turn when it starts, so it starts randomly in either direction. Second, because there are times when a brush touches either both commutator plates at once or neither of them, the motor will sometimes not start at all. To start reliably, the motor must make sur ...
... to determine which way the motor should turn when it starts, so it starts randomly in either direction. Second, because there are times when a brush touches either both commutator plates at once or neither of them, the motor will sometimes not start at all. To start reliably, the motor must make sur ...
Crosstalk
... Crosstalk in Solid Ground Planes Crosstalk depends on the amount of mutual inductance and capacitance. We focus on inductive crosstalk since it is usually as big or bigger than capacitive crosstalk in digital systems. We covered the theory of mutual inductance coupling earlier. Returning signal curr ...
... Crosstalk in Solid Ground Planes Crosstalk depends on the amount of mutual inductance and capacitance. We focus on inductive crosstalk since it is usually as big or bigger than capacitive crosstalk in digital systems. We covered the theory of mutual inductance coupling earlier. Returning signal curr ...
No Slide Title
... all are located at the remote end of the IS trunk typically, the number of devices which can be powered from a IIC power supply is 5 at the end of a 600m trunk The corresponding IIB power supply will supply 13 devices at the end of a 300m trunk demonstrating the desirability of a IIB gas cla ...
... all are located at the remote end of the IS trunk typically, the number of devices which can be powered from a IIC power supply is 5 at the end of a 600m trunk The corresponding IIB power supply will supply 13 devices at the end of a 300m trunk demonstrating the desirability of a IIB gas cla ...
Table of Contents - Industrial Manufacturing
... by the primary coil induces a voltage into the secondary coil, which supplies power to the connected load. The load in this case is the entire electrical distribution network including all residential, commercial, and industrial customers. A step-up transformer is used when it is desirable to step v ...
... by the primary coil induces a voltage into the secondary coil, which supplies power to the connected load. The load in this case is the entire electrical distribution network including all residential, commercial, and industrial customers. A step-up transformer is used when it is desirable to step v ...
Power Module Design for an Ultra Efficient Three-Level Abstract :
... additional energy stored in the parasitic inductance Lparasitic causes an overvoltage at the transistor’s collector, so the energy will flow into the capacitor. This reduces the reverse current in the diode. The voltage drops in the transistor, resulting in significantly reduced switching losses. Ad ...
... additional energy stored in the parasitic inductance Lparasitic causes an overvoltage at the transistor’s collector, so the energy will flow into the capacitor. This reduces the reverse current in the diode. The voltage drops in the transistor, resulting in significantly reduced switching losses. Ad ...
ameritron - Gruppo Radio Firenze
... You get 850 Watts output on CW, 500 that’s fully shielded to keep RF from leakWatts output on RTTY, an extra heavy duty ing out. This keeps RFI and TVI to a minipower supply, a classic 3-500 tube, nearly mum. 70% efficiency, tuned input, Pi/Pi-L output, Superb RF design and layout, Hi-Q tank inrush ...
... You get 850 Watts output on CW, 500 that’s fully shielded to keep RF from leakWatts output on RTTY, an extra heavy duty ing out. This keeps RFI and TVI to a minipower supply, a classic 3-500 tube, nearly mum. 70% efficiency, tuned input, Pi/Pi-L output, Superb RF design and layout, Hi-Q tank inrush ...