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Digital Reverse Power Relays, N96D-RPR

Digital Reverse Power Relays, N96D-RPR
Digital Reverse Power Relays, N96D-RPR
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Product Code : N96D-RPR
Brand Name : Protime
Product Description
The reverse Power relay is used to monitor direction of flow of power in the system. It measures TRMS Current & Voltage of the system, and phase Angle. Thus using this parameters it analyses the direction of power flow in the system. Protimes RPR has two parameters to set, which decides the limit of Reverse Power in system. That is MTA (maximum torque Angle) & reverse current limit. When power flow in reverse direction the current increases if current goes beyond set limit relay will trip after pre-defined tripping time delay. The relay has also provision of phase angle compensation. In reverse power flow direction phase angle increases between Voltage & current, if phase angle increases beyond MTA setting, relay will trip. RPR can be configured in four modes, i.e Normal, Fail safe ,By pass & Test modes. Normal mode: When fault occurs fault led shall glow. After Pre-defined time delay relay energises with trip led glowing. Fail Safe mode: In this mode relay remains energised in normal condition & de-energises after the trip delay, when fault occurs. By pass mode: Relay shall not trip in fault stage. Test Mode: It is mode to simulate fault condition at the time of installation or maintenance. In Manual RESET mode fault led & relay remains in trip condition until user Resets the relay. To go in to program press SET key.

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