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PROTECTION RELAYS

Protection relays has a great role on electrical systems. To define them on a generic way, they are circuit elements that takes on a guarding role. Before telling about their roles and importance for electrical systems, let’s explain what a protection relay is first.

What is a Protection Relay?

Protection Relay protects the devices inside the circuit in case of a damaging situation. It authorizes devices to work on their calibrated gauges. It provides automatic stopping in the event of devices going out of their calibrated gauges. When they’re back on calibrated gauges, it activates devices again.

Though protection relays have various types, their common operation principles and usages are usually same. As we said earlier protecting devices, engines and therefore increasing the efficiency of systems. Deducing the costs along with the increasing efficiency.

Protection Relay Types

Protection relays can be classified according to their functions and devices they offer protection to. We sorted most used major relay types below. By clicking on the titles you can reach our product pages where you can find detailed information.

Protection Relays by Their Function

Protection Relays by Their Protected Device

  • Alternator Protection Relay
  • Transformer Protection Relay
  • Network Protection Relay

Things to take into consideration on protection relays

When choosing and buying a protection relay, your intented purpose, conditions of the field you are gonna use, operating range, display screens, warning lights, material quality and price stand out as variable elements. Those are surely matters to be worried about.

But before evaluating these elements you ought to be sure that the protection relay that you will be using has to fulfill these essential requirements.

  • Error detection speed must be fast
  • It must make decisions quickly after detecting the error
  • It must never activate except the errors it is responsible with the control of
  • It must be able to give the same reactions to same or similiar errors
  • It musn’t create arcs when providing on/off function