Dc Earth Leakage Relay Schneider

The relay senses the dc earth leakage current for any equipments like switch boards rectifiers battery chargers by sensing resistance between positive negative terminals of dc system earth.

Dc earth leakage relay schneider.

If an earth fault is present the fast response sensor detects the difference between the two currents and. The dc leakage current is measured by electronic ag sensor inserted in each monitored load circuit. The signals from the sensors are processed by the detector unit and leakage is detected. Vigirex relays measure the earth leakage current in an electrical installation via their associated sensors.

Dc earth leakage relay schneider. Earth leakage protection relay vigirex rh10mp rh21mp rh99mp rh197 rhu. The dc earth leakage relay is capable of detecting earth faults on charger rectifiers and transformer secondary as well as standard dc supplies from batteries or power supplies. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale.

The relays can be used in the following ways. The measuring method is based on the principle that the positive and the negative current in a fault free load circuit sum to zero. The dc earth leakage relay detects leakages from dc power systems by measuring differential current between the ve and ve current carrying conductors. El731 is an ac dc sensitive earth leakage relay that offers complete coverage for all frequencies with values between 0 and 6.

The dc earth leakage relay is designed to monitor unearthed dc it systems for insulation deterioration or faults. The dc earth leakage relay includes on board through label healthy and failure leds one per pole and includes a double pole volt free relay rated at 3a 230vac or 30vdc. The relay senses the dc earth leakage current for any equipments like switch boards rectifiers battery chargers by sensing resistance between positive negative terminals of dc system earth. Thus leakage current if any will be dependent on the resistance value between respective terminals higher the resistance lower is the leakage.

Thus leakage current if any will be dependent on the resistance value between respective terminals higher the resistance lower is the leakage. February 19 2019 hilman rojak leave a comment on dc earth leakage relay schneider. Find out all of the information about the schneider electric electrical distribution product. The ddea that is power supplied from the system to be monitored is connected to earth through an active current limited circuitry trying to keep the earth voltage at half the system voltage.

The two conductors wires or small bus bars are passed through a sensor.