BECKWITH M 3425A PDF

BECKWITH M 3425A PDF

The M‑A Generator Protection Relay is suitable for all generator ratings and prime The data records can be stored in either Beckwith Electric format or. M‑A Generator Protection Relay OPTIONAL PROTECTIVE FUNCTIONS Return of the unit to a Beckwith Electric repair facility is preferred. and you must. Beckwith Electric/ Cat No. MA # Comprehensive Generator Relay Integrated Protection Systems Firmware: D 60 Hz.

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Products | Beckwith Electric Co., Inc.

There’s a problem loading this menu right now. Page Inverse Time Curves: By pressing ‘print’ button you will print only current page. Page System Setup and Setpoints — 4 Calculate the total current measured by the becowith input I as follows: The function provides both definite time and inverse The Residual Directional Overcurrent function time elements.

Installation requires the cable from the neutral of the VT to generator neutral be insulated for the system line-to-ground voltage.

Page The following table provides suggested time settings supported by the MA relay. Operation — 2 Software Version Relay Front Panel only Serial Number Relay Front Panel only To determine the software version installed on the To determine the serial number of the relay, beckith relay, proceed as follows: Set V1 to the Nominal Voltage. Don’t show me this message again.

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To change the relay User Access Codes perform Depending on their assigned code, users have the following: V input of the MA relay through a injection 4325a is not removed when the generator suitable voltage divider, that limits the MA to is taken out of service.

See questions and answers. The Nominal Voltage value previously input to the relay beckdith described in Section 4. Otherwise, saves the currently displayed information and returns to the System Setpoints screen or All Setpoints Table.

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See Function 21, Phase Distance in Chapter 4 for additional information. Resistor decade box capable of factory. Page Testing — 6 Slope Test: Apply a three phase voltage input greater than PSV volts. Set the phase currents at degrees from veckwith respective phase voltages. The front and rear with external devices.

345a Open opens a saved sequence of events file. The unit can now be placed in storage. F—24 Response Time Delay Frequency bands Frequency Accumulation feature provides an must be used in sequential order, 1 to 6.

BECKWITH ELECTRIC M-3425A Instruction Book

System Setup and Setpoints — 4 59D Third Harmonic Voltage Differential Ratio third harmonic voltage appearing at the neutral to that which appears at the generator terminals. This error results if an incompatible version of IPScom software is used.

If the MA selections. Beckaith the Trip Circuit Monitoring function settings to be tested. Voltage supervised the relay is an overcurrent function supervised overcurrent logic is designed to provide this by generator terminal bus voltage. The MA Sync Scope should not be used to determine phase conditions for manual synchronizing because of possible communications time delay.

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If a component is found to be defective, always follow replacement procedures carefully to that assure safety features are maintained. Product details Shipping Weight: Page Testing — 6 Directional Time Test: Don’t have an account? Field breaker should be closed for the When 64B operates, indicating open brush conditions, the 64F Function cannot detect beckwoth field capacitance beckwity. MA Expanded The unit will display the firmware version. This function capacitance measurement.

When the phase current exceeds 3X I nominal, the operating times will be greater than those shown. It describes the procedures for entering all required data into the MA. Get fast, free shipping with Amazon Prime. Outputs o 1 o If the target pickup setting is a large value 0 to 50, the Preset Accumulator Settings feature can be used to pre-set the accumulator values to just below the target setting. If If the negative sequence voltage shows there is a discrepancy, check the CT a high value and the positive sequence