WPCA – AMEREN ESP SEMINAR

wpca AMEREN ESP SEMINARU nderstanding ESP Controls 2004, General Electric CompanyBy John KnapikGE Proprietary22 CollectionEfficiency(Percent) vs. Specific Corona PowerKNOW WHERE YOUR ESP RUNS ON THE CURVEC orona Power Watts/1000 ACFMGE Proprietary33 AVC Cabinet, CLR & T/R SetGE Proprietary44 Typical SCR-CLR Electrical SystemFiringCircuitMicroprocessor(s)Cont rolModuleCurrent LimitingReactor (CLR)Transformer/Rectifier(T/R) SetSCR StackAmASignalResistorSecondaryCurrentMa sterPrecipitatorFieldSecondaryVoltageMet erKV++-PrimaryCurrent MeterAutomaticVoltage ControlPrimary VoltageMeterVCTL - 1L - 2mAGE Proprietary55 Just 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 Proprietary66 Iron Vane MovementRMSD ArsonvalAverageNote! How Do You Tell The Difference?The Meter Scale Distance is not the Same on the RMS Proprietary77 Primary Current MeterFiringCircuitMicroprocessor(s)Contr olModuleCurrent LimitingReactor (CLR)Transformer/Rectifier(T/R) SetSCR StackAmASignalResistorSecondaryCurrentMa sterPrecipitatorFieldSecondaryVoltageMet erKV++-PrimaryCurrent MeterAutomaticVoltage ControlPrimary VoltageMeterVCTL - 1L - 2mAGE Proprietary88 Finding the Primary Current WaveformGE Proprietary99 Primary Current A Chopped Sine WavePrimary Current W

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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