13 Difference Between Relay and Contactor
What are the difference between relay and contactor? Explained- definition, construction, operation, cost, uses, safety features, applications.
by Dipali Chaudhari
What are the difference between relay and contactor? Explained- definition, construction, operation, cost, uses, safety features, applications.
What is the major difference between insulator and dielectric? Is dielectric an insulator? Explained with definition, function, properties, uses, applications, materials.
What is a circuit breaker? What are the types of circuit breaker?- Air, Air blast, Oil, vacuum and Sulfur hexafluoride (SF6) circuit breakers.
What is causes of proximity effect in transmission line? Explained definition, example, affecting factors, and MCQ quiz on proximity effect.
What is a skin effect in transmission line? Explained it with definition, diagram, formula, calculation of skin depth (δ), factors affecting on this effect,. Online MCQ quiz on skin effect.
What is the surge impedance loading? Explained with Formulas, Circuit & Phasor diagrams. What is the Ferranti effect in transmission line? How to reduce it?
What is the corona effect in power system? Explanation with affecting factors, power loss calculation, reducing methods of corona in power system, corona effect mcq quiz.
What is the difference between indoor and outdoor substations? What are the advantages of indoor substation over outdoor substation?
What is a substation? What are the different types of electrical substation? Explained- based on construction, operating voltage, working role, service recruitment, power network.
What is the difference between AC and DC transmission? What are the main advantages and disadvantages of the AC (or HVAC) over the DC (or HVDC) transmission systems?