b) The general function of the circuit breaker (CB) is to close and open the circuit to be able to remove faults and connect/disconnect objects and parts of electricity network. Describe the failures of circuit breaker and purpose of circuit breaker testing at the substations.
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).
![b) The general function of the circuit breaker (CB) is to close and open the circuit to
be able to remove faults and connect/disconnect objects and parts of electricity
network. Describe the failures of circuit breaker and purpose of circuit breaker
testing at the substations.
c) Figure 3 (c) shows the overview of the high voltage components in the power
network. Based on the power network, the 33/11kV power transformer tripped due
to high winding temperature above 120 °C. The maintenance personnel are planning
to carry out the electrical testing on tripped transformer before proceeding with
further remedial action. Using your own words, describe THREE (3) types of
electrical testing need to be carried out with technical explanation to verify the
condition of tripped transfomer in the power network.
Disconnecto
Protective
elays
HV cit
Breer
Crert
aome
Caret
banslormers
HV oirtut
breaar
Aulary
Votage
vansformer
Daconnector
power
Figure 3 (c)
卡月](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4432bc32-ea28-4934-8dc4-c43abbac2227%2Fead35dc0-b270-4c9a-bf11-a58cc2dfed4e%2Fo4lg8u9_processed.jpeg&w=3840&q=75)
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