VII CONFERENCE PAPER ABSTRACTS EC-3 SERIES
Held in Kyongju,
Conference on Electrostatic Precipitation (ICESP)
is the official conference of the International Society for Electrostatic
On-line Precipitator Control with an Expert System
paper describes an expert system providing on-line control of
ESPís for coal fired boilers.
Two systems have recently been put into operation in the unit
2 and 4 of the Danish power plant of Asnaes.
These Expert systems
were installed in connection withy the upgrading of the two old
ESPís consisting of new ESPís in series with the old ones, and
they have passed the acceptance test, based on the demonstration
that the system is able to optimize the settings leading to the
lowest dust emission.
system has a lot of other capabilities, like trend analysis of all
signals and parameters, alarm handling, plant reports, etc., and is
able to control up to 8 ESPís dependent on the number of field
Expert system can be integrated in the software of an existing ECS
plant computer system or as a stand-alone computer.
This paper describes the architecture and the operation of
the system. This is
complemented with practical results illustrating the optimization of
the ESP performance.
Study on Training Simulator for Electrostatic Precipitator
and its Running
13 The Introduction and
Development of an Automatic Pulse Repetition Frequency,
systems used a technique that involved the requirement for an
experienced operator. The
operator, along with an oscilloscope would spend a great deal of
time assessing the operating conditions within the ESP.
Careful analysis of voltage and current waveforms would allow
decisions to be made as to how the control system should react under
certain known conditions of Back Ionization.
This was extremely successful but unfortunately very labor
withstanding this, changes in the fuel quality rendered a great deal
of the analysis ineffective. As
fuels and plant conditions changed, so the energization requirements
need for a reliable automated system to replace the human
intelligence for the optimization system prevailed.
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Last updated: January 09, 2010.
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