Power Electronics Circuit Analysis with PSIM® by Farzin Asadi Kei Eguchi

Author:Farzin Asadi, Kei Eguchi
Language: eng
Format: epub
Publisher: De Gruyter
Published: 2021-08-20T09:54:15.264000+00:00

When the control signal is low, the switch is opened and the output voltage is

Now, replace the MOSFET with an npn Transistor (Fig. 5.53). The npn Transistor block can be found in the Elements>Power>Switches menu (Fig. 5.54).

The settings of the npn Transistor in Fig. 5.53 are shown in Fig. 5.55. The collector emitter saturation voltage is assumed to be 0.1 V.

Now double click the Simulation Control block and set the R_switch_on and R_switch_off as shown in Fig. 5.56.

Run the simulation. The result shown in Fig. 5.57 will be obtained. When the control signal is high, the output voltage is 7.36 V and when the control signal is low, the output voltage is 11.25 V.

The circuit shown in Fig. 5.58 is the equivalent circuit of Fig. 5.53.

When the switch is opened, the output voltage is . When the switch is closed, the output voltage is

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