WPCA – AMEREN ESP SEMINAR

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wpca AMEREN ESP SEMINARUnderstanding ESP Controls 2004, General Electric CompanyBy John KnapikGE Proprietary22CollectionEfficiency(Percen t) vs. Specific Corona PowerKNOW WHERE YOUR ESP RUNS ON THE CURVECorona Power Watts/1000 ACFMGE Proprietary33AVC Cabinet, CLR & T/R SetGE Proprietary44Typical SCR-CLR Electrical SystemFiringCircuitMicroprocessor(s)Cont rolModuleCurrent LimitingReactor (CLR)Transformer/Rectifier(T/R) SetSCR StackAmASignalResistorSecondaryCurrentMa sterPrecipitatorFieldSecondaryVoltageMet erKV++-PrimaryCurrent MeterAutomaticVoltage ControlPrimary VoltageMeterVCTL - 1L - 2mAGE Proprietary55Just Remember, the Primary of a T-R Set is Rated in Units of RMS, the Secondary is in Average 400 V AC RMS 120 A AC RMS 45 KV DC Average 750 mA DC AverageTherefore use an RMS Reading Meter to Calibrate the Primary MetersGE Proprietary66Iron Vane MovementRMSD ArsonvalAverageNote! How Do You Tell The Difference?The Meter Scale Distance is not the Same on the RMS Proprietary77Primary Current MeterFiringCircuitMicroprocessor(s)Contr olModuleCurrent LimitingReactor (CLR)Transformer/Rectifier(T/R) SetSCR StackAmASignalResistorSecondaryCurrentMa sterPrecipitatorFieldSecondaryVoltageMet erKV++-PrimaryCurrent MeterAutomaticVoltage ControlPrimary VoltageMeterVCTL - 1L - 2mAGE Proprietary88Finding the Primary Current WaveformGE Proprietary99Primary Current A Chopped Sine WavePrimary Current Waveform.

GE Proprietary 2 Collection Efficiency (Percent) 99.9 99.0 80.0 0 100 200 300 400 500 600 Efficiency vs. Specific Corona Power KNOW WHERE YOUR ESP RUNS ON

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