Voltage swing

Limiting the system voltage swing during a load rejection or off-peak periods, and protect it from overvoltages... 

While the former would stress the generator windings, the latter may cause a voltage swing during a load rejection or load fluctuation and result in a line outage. These features, if not controlled, may render the system unstable. Overvoltages must therefore be controlled within an acceptable limit. Table 24..3 prescribes one such limit. 

Figure 7 In one example of a dual-energy process, where Gantry denotes the rotating disk, the X-ray tuhe voltage swings between 180 and 100 kV, with peaks and valleys synchronized, respectively, with integral and half-integral disk-rotation angles.

The output voltage swing is limited to 15 V and we have added a pole at 30 rad/sec. This is approximately the frequency response of a 741 op-amp. Note that this circuit is still ideal because it does not include many of the other nonideal characteristics of a 741 op-amp such as bias currents, offset voltages, and slew rate. 

Use the Transient Analysis to observe an amplifier s voltage swing. 

The example above points out that it is thepotentiostat s voltage swing, not its current capability, which often limits its performance. If we had used a 40-W potentiostat ( 20 V at 2 A) the experiment might still have failed, whereas a 25-W model ( 50 V at 0.5 A) could do the job. 

FIGURE 3.23 Large neutral voltage swings responsible for problems in a university computer laboratory. 

V is needed. The main challenge was to design an output stage capable of driving the capacitive load caused by a display row with this voltage swing within a small fraction (10%) of the row time. 

Basically, we are using the gate charge factors to tell us what the effective capacitances are (and the voltage swings from 0 to Vin). We see that the effective input capacitance (Ciss), for... 

False alarms and stability are two problems that arise when considering marketable applications. These can be caused by voltage swings in the device, or simply by temperature changes altering the current level. A differential pair... 

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