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The EPIC II V4550220-0100 is a Control Precipitator for the precise management of Electrostatic Precipitators (ESP). This unit serves as the core intelligence of the EPIC II system, optimizing electric power input to maintain peak collection efficiency while minimizing emissions.
Features superior immunity to electromagnetic interference (EMI)
Real-time monitoring of internal spark discharges within the electrostatic precipitator
Supports power reduction or power-down operations during rapping cycles to minimize secondary entrainment
The EPIC II V4550220-0100 microprocessor control unit is a specialized core control apparatus jointly developed by industrial electrical pioneers Alstom and ABB for electrostatic precipitators (ESP). It is primarily deployed within the control cabinets of flue gas desulfurization and dedusting systems across the coal-fired power generation, cement, metallurgy, and chemical industries. Serving as the central regulation hub for high-voltage rectification systems, this control unit integrates advanced process control algorithms, including adaptive spark rate regulation, intelligent high-voltage pulse energization, and automatic back corona suppression. It dynamically adjusts secondary voltage and current in response to shifting flue gas conditions, substantially enhancing collection efficiency while significantly reducing equipment operational energy consumption. Furthermore, the system features board-level hardware self-diagnostics, comprehensive electrical isolation protection, and robust industrial bus communication capabilities, enabling seamless data interconnection with mainstream Distributed Control Systems (DCS).
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ABB EPIC II V4550220-0100 Epic II ESP Controller Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Pulp & Paper
Operates ESPs on chemical recovery boilers to capture and recycle valuable salt cake (sodium sulfate) particles.
Coal-Fired Power
Regulates electrostatic precipitators (ESPs) to capture fly ash from boiler flue gas prior to atmospheric discharge.
Chemical Processing
Purifies process exhaust gases and recovers valuable chemical catalysts or raw material dust from reactor venting.
Metallurgy & Steel Industry
Manages blast furnace gas cleaning and sinter plant emissions control to trap heavy metallic dust particles.
Carbon Black Production
Collects and separates manufactured carbon black aggregates from high-temperature process gas loops.
Automotive Manufacturing
Supplies highly reliable DC power to PLC control cabinets and industrial robots on stamping, welding, and assembly lines.
During operation, precise thermal management and dust mitigation within the control cabinet are critical to prevent component degradation. Technicians must enforce strict high-voltage isolation protocols and verify proper grounding before adjusting parameters or performing maintenance to avoid severe equipment damage. Given the sensitivity of its adaptive spark algorithms, secondary voltage, current limits, and rapping cycles must be strictly calibrated against actual flue gas conditions to prevent persistent back corona or mechanical damage to the collector plates. Additionally, regular inspection of power supply filtering capacitors and communication bus interfaces is essential to eliminate risks of unexpected processor resets or DCS signal loss.
It is a dedicated Electrostatic Precipitator (ESP) high-voltage microprocessor controller module manufactured by ABB/ALSTOM, used to optimize the power supply of dust-collection electrical fields.
What is the core working principle of EPIC II V4550220-0100?
It monitors the secondary voltage and current of the ESP field in real-time to control the thyristor firing angle of the High-Voltage Transformer/Rectifier (T/R) unit, keeping the spark rate and discharge frequency at an optimal level.
How to physically install EPIC II V4550220-0100 onsite?
It features a plug-in or flush-mount architecture and is secured vertically on a dedicated chassis or motherboard within the local ESP high/low-voltage integrated control cabinet.
How does EPIC II V4550220-0100 communicate with the plant-wide central DCS?
The module features a built-in serial communication interface, uploading data to the plant's distributed control system (DCS) via standard Modbus, Profibus, or proprietary environmental network protocols.
What is the purpose of the preventive function monitoring in EPIC II V4550220-0100?
It triggers alarms in seconds and takes active power-reduction protection upon detecting hidden hazards like high-voltage open circuits, short circuits, foreign objects falling (field collapse), or thyristor overheating.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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