Below is a circuit that contains three switches, five identical resistors, one power supply and an ideal voltmeter. While the diagram shows all of the switches open, there are the eight different combinations of open and closed switches shown under the schematic. You are to rank these configurations in terms of the voltmeter reading, from smallest to largest. Be sure to identify any configurations that produce the same potential difference reading on the meter. Explain your reasoning and/ or show your calculations. S1 S2 S3 Configuration Switch 1 Switch 2 Switch 3 Open Open Closed Open Open Open Open Open Closed A Closed Open Closed Closed Open Open Closed Closed Open F Closed Closed Closed Open Closed Closed
Protection System
A system that protects electrical systems from faults by isolating the problematic part from the remainder of the system, preventing power from being cut from healthy elements, improving system dependability and efficiency is the protection system. Protection devices are the equipment that are utilized to implement the protection system.
Predictive Maintenance System
Predictive maintenance technologies are designed to assist in determining the state of in-service equipment so that maintenance can be scheduled. Predictive maintenance is the application of information; proactive maintenance approaches examine the condition of equipment and anticipate when it should maintain. The purpose of predictive maintenance is to forecast when equipment will fail (depending on a variety of parameters), then prevent the failure through routine and corrective maintenance.Condition monitoring is the continual monitoring of machines during process conditions to maintain optimal machine use, which is necessary for predictive maintenance. There are three types of condition monitoring: online, periodic, and remote. Finally, remote condition monitoring allows the equipment observed from a small place and data supplied for analysis.
Preventive Maintenance System
To maintain the equipment and materials on a regular basis in order to maintain those running conditions and reduce unnecessary shutdowns due to unexpected equipment failure is called Preventive Maintenance (PM).
Whenever S2 will be closed then voltmeter will show zero reading as when a short circuit is placed in parallel with the resistors then resistance offered by these resistors will be nullified as no current will flow through there resistors as whole current will flow through the short circuit elements.
So in C,E,G,H configurations voltmeter will read zero .
Write down the variable :-
R = resistance of a resistor
V = voltage Source
v = voltmeter reading
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