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RTU Zinatniskais raksts
RTU Zinatniskais raksts

... Conducting IM rundown regime analysis we assume the following [12]:  The motor maintains constant speed when switching off or reclosing is taking place;  Saturation is considered only in the calculation of the motor parameters. They remain unchanged for a given transient calculation. This gives a ...
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... indirect limiting of secondary-side load currents. The current limit of the MAX13256 is set by an external resistor. A FAULT output asserts when the device detects an overtemperature or overcurrent condition. In addition, the device features a low-power mode to reduce the overall supply current to 0 ...
Comparing Performance of Current Ramp and Voltage Ramp Hot Swap Controller ICs
Comparing Performance of Current Ramp and Voltage Ramp Hot Swap Controller ICs

... • A higher load current causes higher inrush peak current, which can result in voltage droop at input back plane (compare to (a)). (The reason the higher current has less peak portion of inrush current in the figure is because capacitor charging current is constant while load current increases.) ...
Precision, Selectable Gain, Fully Differential Funnel Amplifier AD8475
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... The AD8475 is a simple to use, fully integrated precision gain block, designed to process signal levels of up to ±10 V on a single supply. It provides a complete interface to make industrial level signals directly compatible with the differential input ranges of low voltage high performance 16-bit o ...
AND9083 - MOSFET Gate-Charge Origin and its Applications
AND9083 - MOSFET Gate-Charge Origin and its Applications

... It was explained above how different sections of gate charge are formed. Circuit conditions determine gate charge boundaries between regions A, B and C (Figure 6). The range is set by VDD and VGDR. VGP can be found from ID−VDS curves at inductor current (ID) and supply voltage (VDD). With these thre ...
NCP803 Very Low Supply Current 3−Pin Microprocessor Reset
NCP803 Very Low Supply Current 3−Pin Microprocessor Reset

... are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor doe ...
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... A gas discharge tube (GDT) is a sealed glass-enclosed device containing a special gas mixture trapped between two electrodes, which conduct electric current after becoming ionized by a high voltage spike. GDTs can conduct more current for their size than other components. Like MOVs, GDTs have a fini ...
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On Using Residual Voltage to Estimate Electrode Model Parameters Ashwati Krishnan

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Description ZXGD3102T8

... 12V, it is recommended to use a Zener diode, ZD1 as shown in the Typical Application Circuit on page 1, and in Figure 2, in order to limit the VCC supply voltage to the ZXGD3102 and also to limit the maximum voltage applied to the gate of the MOSFET. A suitable value for the Zener is 10V. The proper ...
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... The SN74CBTD3306C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. This device features an integrated diode in series with VCC to provide level shifting for 5-V input down to 3.3-V output levels. Active Undershoot-Protection Ci ...
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... schemes. This type of grounding is used mainly in medium voltage systems and is not widely installed in low voltage applications (600V or below). The "High" Resistance Grounded System offers the advantage that the first fault to ground will not draw enough current to cause the overcurrent device to ...
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Aalborg Universitet Microgrid Stability Controller Based on Adaptive Robust Total SMC

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... input pins. Capacitive coupling of logic transitions to sensitive input nodes (pins 2 through 6) and to the positive power supply (pin 14) will dramatically increase charge injection and produce errors. Route these circuit board traces over a ground plane (digital ground) and route digital ground tr ...
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Investigation of PWM-controlled MOSFET with inductive load

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... The OPA699 is a wideband, voltage feedback op amp that offers bipolar output voltage limiting, and is stable for gains ≥ +4. Two buffered limiting voltages take control of the output when it attempts to drive beyond these limits. This new output limiting architecture holds the limiter offset error t ...
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... Terminal connections for the various ratios are shown on the inside of the junction-box cover. The junction box has 7/8 in. diameter holes at either end which will accommodate standard 1/2 in. conduit fittings or Pyle-National, DS series cable-sealing grips (if rubber-covered cable is used for the m ...
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LT1505 - Constant-Current/Voltage High Efficiency Battery Charger

... Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Tested with Test Circuit 1. Note 3: Tested with Test Circuit 2. Note 4: When VCC and battery voltage differential is low, high duty factor is required. The LT1505 achieves a duty factor great ...
AD5116 Data Sheet Single-Channel, 64-Position, Push Button, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer
AD5116 Data Sheet Single-Channel, 64-Position, Push Button, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer

... solution for 64-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistor tolerance, low nominal temperature coefficient, and high bandwidth simplify open-loop applications, as well as toleranc ...
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... Digital Inputs and Output Voltage to GND Operating Temperature Range ...
LED Lighting - Dimming Guide
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... you may have before providing some additional resources at the bottom of this article. Factors That Can Effect LED Dimming: Is the LED bulb/fixture you bought dimmable? Not all LED lighting is designed to be dimmable, and using a non-dimmable bulb with a dimmer switch can cause the bulb to not work ...
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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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