STATCOM Control for Power System Voltage
... The static synchronous compensator, or StatCom, is a shunt connected FACTS device. It generates a balanced set of threephase sinusoidal voltages at the fundamental frequency, with rapidly controllable amplitude and phase angle. This type of controller can be implemented using various topologies. How ...
... The static synchronous compensator, or StatCom, is a shunt connected FACTS device. It generates a balanced set of threephase sinusoidal voltages at the fundamental frequency, with rapidly controllable amplitude and phase angle. This type of controller can be implemented using various topologies. How ...
Features of the high-side family IPS60xx
... the over voltage across the inductance will make the drainto-source voltage rise above the battery voltage. This would cause the body diode to go into avalanche, if no external zener clamps or freewheeling diodes are used, as shown in figure 7. The purpose of the active clamp is to limit the voltage ...
... the over voltage across the inductance will make the drainto-source voltage rise above the battery voltage. This would cause the body diode to go into avalanche, if no external zener clamps or freewheeling diodes are used, as shown in figure 7. The purpose of the active clamp is to limit the voltage ...
IT-1230 manual
... Should the power at the IT-1230's outlets go off for any reason—either because the power switch is in the “off” position or because an Extreme Voltage Shutdown has occurred, the LED will light up red. Extreme Voltage Shutdown: This LED status indicator is normally off. It monitors a hazard particula ...
... Should the power at the IT-1230's outlets go off for any reason—either because the power switch is in the “off” position or because an Extreme Voltage Shutdown has occurred, the LED will light up red. Extreme Voltage Shutdown: This LED status indicator is normally off. It monitors a hazard particula ...
What is Instrumentation
... – Compares current condition to set point – Adjusts to bring current condition to set point ...
... – Compares current condition to set point – Adjusts to bring current condition to set point ...
Chapter 4: Analog Output - Embedded
... Set the output duty-cycle, specified as a normalised float (0.0 – 1.0) Return the current output duty-cycle setting, measured as a normalised float (0.0 – 1.0) Set the PWM period, specified in seconds (float), keeping the duty cycle the same. Set the PWM period, specified in milliseconds (int), keep ...
... Set the output duty-cycle, specified as a normalised float (0.0 – 1.0) Return the current output duty-cycle setting, measured as a normalised float (0.0 – 1.0) Set the PWM period, specified in seconds (float), keeping the duty cycle the same. Set the PWM period, specified in milliseconds (int), keep ...
Electret Microphone/Oscilloscope Demo
... The electret microphone proper creates voltages that vary based on the arrival of pressure waves. The JFET helps to amplify the signal by acting as a voltage-controlled current source; the current flowing through it flows through a channel of n-type semiconductor. The size of the channel grows and s ...
... The electret microphone proper creates voltages that vary based on the arrival of pressure waves. The JFET helps to amplify the signal by acting as a voltage-controlled current source; the current flowing through it flows through a channel of n-type semiconductor. The size of the channel grows and s ...
ADM560 数据手册DataSheet 下载
... Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor to GND is connected on each of these inputs. Receiver Outputs. These are 3 V logic levels. Transmitter (Driver) Inputs. These inputs accept 3 V or 5 V logic levels. An internal 400 kΩ pull-up resistor to V ...
... Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor to GND is connected on each of these inputs. Receiver Outputs. These are 3 V logic levels. Transmitter (Driver) Inputs. These inputs accept 3 V or 5 V logic levels. An internal 400 kΩ pull-up resistor to V ...
Electrical Engineering Test Plan
... Results of this test show that the LCD draws additional current through the inductor on the MAX618 which is always connected to the input supply voltage. Because of this a P-channel MOSFET is recommended to clamp off the supply to the MAX618 when disabling the LCD is desired. *Test did not need to b ...
... Results of this test show that the LCD draws additional current through the inductor on the MAX618 which is always connected to the input supply voltage. Because of this a P-channel MOSFET is recommended to clamp off the supply to the MAX618 when disabling the LCD is desired. *Test did not need to b ...
LL XX MM GG 11 66 22 66 -- 11 22 -- 66 44
... designer with a vastly superior display brightness range. This brightness range is achievable with virtually any LCD display. The modules are available with a dimming input that permits brightness control from either, a DC voltage source, a PWM signal or external Potentiometer. The maximum output cu ...
... designer with a vastly superior display brightness range. This brightness range is achievable with virtually any LCD display. The modules are available with a dimming input that permits brightness control from either, a DC voltage source, a PWM signal or external Potentiometer. The maximum output cu ...
φd+/-0.05
... *Aluminum electrolytic capacitors should not be stored in high temperatures or where there is a high level of humidity. The suitable storage condition is 5°C-35°C and less than 75% in relative humidity. *Aluminum electrolytic capacitors should not be stored in damp conditions such as water, saltwate ...
... *Aluminum electrolytic capacitors should not be stored in high temperatures or where there is a high level of humidity. The suitable storage condition is 5°C-35°C and less than 75% in relative humidity. *Aluminum electrolytic capacitors should not be stored in damp conditions such as water, saltwate ...
High-Speed, Single-Supply, Rail-to-Rail
... OPA353 series extends 100mV beyond the supply rails. This is achieved with a complementary input stage—an N-channel input differential pair in parallel with a P-channel differential pair (see Figure 2). The N-channel pair is active for input voltages close to the positive rail, typically (V+) – 1.8V ...
... OPA353 series extends 100mV beyond the supply rails. This is achieved with a complementary input stage—an N-channel input differential pair in parallel with a P-channel differential pair (see Figure 2). The N-channel pair is active for input voltages close to the positive rail, typically (V+) – 1.8V ...
A Current-Control Strategy for Voltage
... of the proposed controller is to inject a clean sinusoidal current to the grid, even in the presence of nonlinear/unbalanced loads and/or grid-voltage distortions. The repetitive control technique is adopted because it can deal with a very large number of harmonics simultaneously. The proposed curre ...
... of the proposed controller is to inject a clean sinusoidal current to the grid, even in the presence of nonlinear/unbalanced loads and/or grid-voltage distortions. The repetitive control technique is adopted because it can deal with a very large number of harmonics simultaneously. The proposed curre ...
XQ5200 Solar Taurus 60, T7300S
... - Salient Pole, 3 Phase Generator with the follow characteristics: Rating. The generator is rated per NEMA standards so that the generator will not limit turbine performance over the range of site ambient temperatures. Generator standard features include: ...
... - Salient Pole, 3 Phase Generator with the follow characteristics: Rating. The generator is rated per NEMA standards so that the generator will not limit turbine performance over the range of site ambient temperatures. Generator standard features include: ...
MAX750A/MAX758A Adjustable, Step-Down, Current-Mode PWM Regulators _______________General Description
... current-mode pulse-width-modulation (PWM) control system coupled with a simple step-down (buck) regulator topography. Input voltages range from 4V to 11V for the MAX750A, and from 4V to 16V for the MAX758A. The current-mode PWM architecture provides cycle-bycycle current limiting, improved load tran ...
... current-mode pulse-width-modulation (PWM) control system coupled with a simple step-down (buck) regulator topography. Input voltages range from 4V to 11V for the MAX750A, and from 4V to 16V for the MAX758A. The current-mode PWM architecture provides cycle-bycycle current limiting, improved load tran ...
![Touch Current Basics.ppt [Compatibility Mode]](http://s1.studyres.com/store/data/007899503_2-89947630ac5049138593ad1d5ba74dfa-300x300.png)
Touch Current Basics.ppt [Compatibility Mode]
... through the body impedance model. The reading of a touch current measuring instrument is adjusted by the frequency-weighting weighting network for variations in human response due to frequency. Therefore, the reading can be compared to the limit value in the requirements without knowing the frequenc ...
... through the body impedance model. The reading of a touch current measuring instrument is adjusted by the frequency-weighting weighting network for variations in human response due to frequency. Therefore, the reading can be compared to the limit value in the requirements without knowing the frequenc ...
8.0 A, 400 V NPN Bipolar Power Transistor
... important in SWITCHMODE applications. Circuits B and C in Table 2 illustrate applications that require high blocking voltage capability. In both circuits the switching transistor is subjected to voltages substantially higher than VCC after the device is completely off (see load line diagrams at IC = ...
... important in SWITCHMODE applications. Circuits B and C in Table 2 illustrate applications that require high blocking voltage capability. In both circuits the switching transistor is subjected to voltages substantially higher than VCC after the device is completely off (see load line diagrams at IC = ...
TPA2000D1 数据资料 dataSheet 下载
... the next half cycle, while any resistance causes power dissipation. The speaker is both resistive and reactive, whereas an LC filter is almost purely reactive. The TPA2000D1 modulation scheme has little loss in the load without a filter because the pulses are short and the change in voltage is VDD i ...
... the next half cycle, while any resistance causes power dissipation. The speaker is both resistive and reactive, whereas an LC filter is almost purely reactive. The TPA2000D1 modulation scheme has little loss in the load without a filter because the pulses are short and the change in voltage is VDD i ...
Variable-frequency drive
A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.