Electrical Endurance (EE) Test

[Audio] Electrical Endurance (E-E---) Test What is an Electrical Endurance test Why Electrical Endurance is important Arcing Phenomena in Switchgear What are the components of the Electrical Endurance test setup.

[Audio] What is an Electrical Endurance test? Definition :An electrical endurance test evaluates the durability and reliability of electrical switchgear over an extended period. Concept: Imagine turning a light switch on and off daily. Over time, it wears out. The endurance test simulates this repeated use in a controlled environment to assess how the switchgear performs. Goal : To Determine how many cycles of use the switchgear can handle before malfunctioning or failing. Products on which Electrical Endurance test is performed.

[Audio] Importance of Electrical Endurance Electrical Endurance Test is important because it provides : Consistent Performance: Ensures switchgear works reliably throughout its expected lifespan. Safety: Prevents premature failures, reducing potential hazards. Cost Efficiency: Reduces maintenance costs and unexpected repairs. Compliance: Verifies products meet industry standards for operational efficiency Typical Electrical Endurance Test Setup.

[Audio] Arcing phenomena in switchgear An electrical arc is a visible discharge of electricity that occurs when a circuit is interrupted under load, generating extremely high temperatures. This phenomenon is observed during the process of separating contacts within switchgear. Whenever the contacts of the Switchgear undergo separation an ⚡“Arc” is generated between the fixed and moving contact because during the making of the switchgear contacts the moving contact strikes on the fixed contact then bounce back before closing onto the fixed contact during this process an arc is generated between the contacts. Arcing Phenomena in Switchgear.

[Audio] What are the components of the Electrical Endurance test setup ? There are four major components in Electrical Endurance test setup are: Control Desk Voltage Source Test Stand Load Bank Control Desk Voltage Source Test Stand Load Bank.