Numerical 3 OC Plus 1EF Protection Relay
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Description
ADR241B V2 Series is second generation Numerical 3 OC + 1EF Over Current Relay. Our Numerical 3 OC Plus 1EF Protection Relay consist all the necessary protection and monitoring functions required for Normal feeder it consist of
* High Speed Digital DSP Controller
* Analog Measuring Module
* Power supply Module
* Digital Input output module.
The High speed Digital Signal Controller continuously monitors line phase current and E/F current. Along with different status input, through CTs, and optical isolated status connections. The high-speed micro-controller samples these current signals through a A/D converter. The Digital Signal performs powerful Numerical Algorithms to find out RMS of fundamental & harmonic contents of the current. All measurement is tuned to fundamental frequency i.e 50Hz, thus relay remain stable during distorted waveform generated electronics loco-motive. All these measure values are then used for different protection function such as IDMT Over current protection, Instantaneous Over current protection, E/F protection etc.
* High Speed Digital DSP Controller
* Analog Measuring Module
* Power supply Module
* Digital Input output module.
The High speed Digital Signal Controller continuously monitors line phase current and E/F current. Along with different status input, through CTs, and optical isolated status connections. The high-speed micro-controller samples these current signals through a A/D converter. The Digital Signal performs powerful Numerical Algorithms to find out RMS of fundamental & harmonic contents of the current. All measurement is tuned to fundamental frequency i.e 50Hz, thus relay remain stable during distorted waveform generated electronics loco-motive. All these measure values are then used for different protection function such as IDMT Over current protection, Instantaneous Over current protection, E/F protection etc.
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Numerical 3 OC Plus 1EF Protection Relay
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