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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Sensitive Negative Sequence Overcurrent protection and alarm. See Function 40, Loss of Field in Chapter 4 for additional information.

The unit should display: Page 96 Connect and Help menu selections. Set the phase currents at degrees from the respective phase voltages. The function also has an automatic disable feature which disables 81R function during unbalanced 81R 1 DELAY faults and other system disturbances. The not connected to the relay the Save relay Oscillograph Recorder memory selection does not save the Oscillograph Page Installation — 5 345a This screen displays the phase current at the time the target operated.


Testing — 6 Time Test Cold Start: Page 54 Table of Contents Figures Cont.

To set the relay Comm Access Code perform the following: Page Y by 30 degrees in Delta-AB. This function capacitance measurement. Got it, continue to print. Similarly other voltages and currents phase angles should be adjusted. If additional link security is desired, a communication access code can be programmed.

Dual RS ports and an RS port provide user-interface communication capabilities. See Function 78, Out of Step in Chapter 4 for additional information.

BECKWITH ELECTRIC M-3425A Instruction Book

The relay will trip when the The Directional Power function 32 can provide measured forward power is less than the pickup protection against both generator motoring and value.

When the Usually the risk of faults in this limited area is small enough to be ignored but should be considered. F—18 Copy Active Profile Define a representative number of testing points to verify the trip curve. Communication must be established with the target relay for this procedure. Page To properly handle pump storage operations, the equipment is required.

Page System Setup and Setpoints — 4 60FL VT Fuse Loss A frequency check element is included in the fuse loss detection logic to avoid erroneous alarms Some functions may operate inadvertently when a when the generator is in a start up condition. Amazon Advertising Beckwifh, attract, and engage customers.


Product Images | Media Kit | Beckwith Electric Co., Inc.

The Sequence of Events Log includes of the most recently recorded relay events. The accumulated value for each phase can j displayed as an actual The 34255a Monitoring feature calculates an value. See questions and answers. User Access Code dialog screen Depending on their assigned code, users have Figure The applications including hydro turbine-generator effect of these capacitors is given by the following and brushless generators is given in Figure By pressing ‘print’ button you will print only current page.

Inverse provides protection against ground faults. Volts Lower voltage limit for voltage acceptance.

Page 1 of 1 Start over Page 1 of 1. F—18 Active Setpoint Profile Pickup A Phase Amps 0. Pickup kAmps kA 0 to 50, Delay Cycles 0. Addresses perform the following: