Under/Over Frequency Monitor Relay : AUOFMR2
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Description
This is micro-controller based frequency monitoring relay
with communication port for SCADA operation.
| Standerd Specification | |
| Accurate Frequency monitoring with Crystal Controlled references. | |
| Trip Frequency Point can be selected with 0.01 Hz Resolution. | |
| Self-Calibration and check ON-Site facility inbuilt. | |
| Instrument tested to withstand as per IS:3231, IS:8686-1977 Specification. | |
| Two Independent set points programmable as Under or Over Frequency. | |
| RS232 & RS485 Communication Port for remote SCADA. | |
| AC Input from 230 / 110 / 63 V AC PT for Frequency Sensing. | |
| Frequency setting Range : 49.99 Hz to 40.00 Hz in steps of 0.01 Hz for Under Frequency | |
| and 50.01 Hz to 60.00 Hz in steps of 0,01 Hz for Over Frequency. | |
| Accuracy Setting : +/- 0.01 Hz Repeat Accuracy better then 0.05 Hz. | |
| Delay Time Adjustment : 0 to 99.9 sec Accuracy +/- 5% or +/- 0.02s whichever is Higher. | |
| Programmable Hysterisis. | |
| This Relay is also available with 2 Stage df/dt and 2 Stage Under/Over Frequency Features. | |
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Under/Over Frequency Monitor Relay : AUOFMR2