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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If the relay has a default communication access code ofa message window will be displayed showing Access Level 3 was granted.

Any changed This section describes the operation of the MA setpoint in the displayed screen will not be saved if the selection is aborted using the EXIT pushbutton. Page 54 Table of Contents Figures Cont. The Setup command allows the user to set the number of partitions and triggering designations to be made FigureRetrieve downloads and save data to a file Figure The Nominal Voltage value previously input to the relay is described in Section 4. The applications including hydro turbine-generator effect of these capacitors is given by the following and brushless generators is given in Figure A target is triggered whenever Access Granted!

Testing — 6 Pickup Test: Page Installation — 5 5. Communication must be established with the target relay for this procedure. Press the Right arrow pushbutton until the following is displayed: Page 55 F Setup Unit 1 of Be the first to review this item Product Warranty: Page 28 PS 1 Made in U. Testing — 6 Directional Time Test: Apply a voltage 5 V greater than UL to V1. Like the user access beckwitn, if the communication access code The selection of the MA System Setup is set to defaultcommunication security is parameters and Setpoints can be performed using disabled.


For a VT fuse is 4325a or an event causes a loss of one, 50Hz system, the 60FL alarm will be inhibited if the two, or all three potentials to the relay. The logic functions can be used to allow external devices to trip through the relay, providing additional target information for the external device. Protection Relay is calibrated and fully tested at 3425z a.

PS 1 Made in U.

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Amazon Drive Cloud storage from Amazon. Pickup A Phase Amps 0. Enter text from picture: Contact Beckwith Electric Customer Service for replacement procedure.

When V is connected for turn-to-turn faults 59X must use 3V0 for the line side voltage i. Pressing the EXIT pushbutton will exit from this test, and therefore should be last pushbutton tested.

Page Y by 30 degrees in Delta-AB. Selecting a Function Setting button will display the corresponding function dialog screen See Figure as an example. F—26 F Diagnostic Mode 1 of When disabled, this function will work like a 50N.

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The front and rear with external devices. Get fast, free shipping with Amazon Prime. Figure One-Line Functional Diagram 4— Page M series.

For each I Current Input 1 test point defined in Step 1, bckwith the expected operating current Current Input 2 as follows: Page Testing — 6 Pickup Test: Testing — 6 Upper Voltage Limit Test: Reverse power relays should always be applied with a time 32 1 DELAY delay in order to prevent mis-operation during power swing Cycles conditions. Relay volts are equal to the primary neutral voltage divided by the grounding transformer ratio.

Press EXIT, then right arrow until unit displays: 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. Operation a typical application for the system; Setup of the modem attached to the relay may Connect the beckwirh to an external modem by attaching a standard RS be slightly complicated. Utilizing the Up and 3425aa arrow Input the desired Hour as follows: 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.


Withoutabox Submit to Film Festivals. When 50DT function is 34425a for split- phase differential phase differential, 50BF, 87 and 87GD functions must be disabled.

Installation — 5 5. Amazon Rapids Fun stories for kids on the go. The relay will trip when the The Directional Power function 32 can provide measured forward power is less than the pickup protection beckwitu both generator motoring and value. Page Installation — 5 Installation General Information Band 1 indication of the amount of off frequency operation must be enabled to use Bands 2— 6.

BECKWITH ELECTRIC M-3425A Instruction Book

This error results if an incompatible version of IPScom software is used. When partitioned into 1 to 24 partitions. All rights reserved by Beckwith Electric Co. Page System Setup and Setpoints — 4 21 1 DIAMETER Typically the first zone of protection is set to an impedance value enough in excess of the first external protective section Ohms typically the unit transformer to assure operation for faults within that protective zone.