Relay is the key to the survival of the continuity of an electrical power system security because it can eliminate the interference before it caused extensive damage. safety relay consists of three basic elements :
1. Sensor Element
2. Comparative element
3. Control element
Sensor element is a component that reacts in the event of changes in current or voltage changes and other parameters in the circuit is secured.
Comparative element is the component in charge of comparing the reference current with changes in voltage or current or other parameters on the observed
Control element is a component that serves to give the command to switch the switch or an alarm when there is disorder or condition that deviates from the normal state.
Comparative element is the component in charge of comparing the reference current with changes in voltage or current or other parameters on the observed
Control element is a component that serves to give the command to switch the switch or an alarm when there is disorder or condition that deviates from the normal state.
Parts of the relay can be determined by two ways, namely:
by viewing the content in the relay
by using a multimeter (Ohm)
How to know the relay is still functioning or not can be done by providing the appropriate voltage to the relay is in the coil. If the ignition is still working NC -> NO or NO -> NC, it can be said that the relay is still in good condition.
by viewing the content in the relay
by using a multimeter (Ohm)
How to know the relay is still functioning or not can be done by providing the appropriate voltage to the relay is in the coil. If the ignition is still working NC -> NO or NO -> NC, it can be said that the relay is still in good condition.
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