Waste Water Treatment Controls & Switchgear
WASTE WATER TREATMENT CONTROLS & SWITCHGEAR
GREEN BAY METROPOLITAN SEWERAGE DISTRICT New Water Plant ENERCON CUSTOM CONTROLS OPERATE: This Waste Water project was part of a $169M ...... ■ (2) CG170-20 anaerobic digestion Caterpillar investment by New Water to construct new biosolids Engines that are employing the Tem Evo Control. treatment facilities within the Green Bay Waste Water ■ Fuel blending between Natural and Bio Gas in 3 Treatment Facility in Wisconsin. The facility, which was modes of operation with multiple utility feeds, including black start operation. built in the 1970’s treats domestic waste in addition to ■ Control of heat recovery valves: Jacket Water, paper mill waste. exhaust, and after cooler ■ (2) G3516C diesel Caterpillar Engines for both grid The new biosolids treatment facilities included New relief to the local utility and emergency backup digestion, reciprocating engine electrical power power. The diesels and the gas generators are generation, dewatering and incineration processes, completely integrated. and implementation of nutrient removal and recovery processes. Enercon’s scope of supply for this project was providing the Switchgear and controls for the New Cogeneration and Emergency Standby Plant which included (2) dual fuel blended digester and natural gas generator sets and (2) diesel standby generators. DIESEL SWITCHGEAR POWER UPGRADE
POWER UPGRADE OF DIESEL GENERATOR ENERCON 15KV ARC FLASH RATED SWITCHGEAR LINEUP SWITCHGEAR AND CONTROLS ORIGINALLY ...... COMMISSIONED IN 2009.. ■ Provided power envelope for the Main-Tie-Generator- ...... Bus Tie-Generator-Bus Tie-Main configuration ■ Woodward EasyGen controllers with CAN-to-fiber ■ Siemens/Enercon joint design venture to provide Arc communication link to controllers in digester building flash exhaust plenum routing to building exterior ■ Updated engine controls for the (2) existing Caterpillar ■ Mains and Generator protection used Schweitzer 3516C with unit mount EMCP 3.3 controllers Engineering Laboratories (SEL) protective relays ■ Schweitzer SEL-700G protective relays with PT/CT ■ Mains and Generator sources provided with Allen- test blocks Bradley PM 5000 digital multi-function metering ■ Allen-Bradley 1756 ControlLogix PLC racks with EN2TR package modules connected to plant Ethernet ring ■ Protocol converter/Gateway device for mapping all updated metering and alarm data ■ Integration of new start/stop logic as part of updated plant Sequence of Operations ■ Control and status upgraded and available to overall plant SCADA scheme MAIN COGENERATION CONTROL PANELS
The main cogeneration control panel utilizes an Allen-Bradley Plant Automation Controller and includes control logic for monitoring and controlling the new cogeneration units, providing the blending algorithm for the digester and natural gas sources and heat recovery of new cogeneration units to supplement the plant heating system. The control panels for the biogas generators utilize Woodward Easygen controllers and are configured to interface with the Caterpillar TEM- Evo engine controllers for total engine control ...... ■ Allen-Bradley ControlLogix Plant Automation Controller platform programmed within PlantPAx including door mount Industrial PC ■ Complex PLC rack configuration to accommodate plant P&ID structure with Ethernet ring connected network ■ Control logic included provided blending algorithm of the digester and natural gas sources and Cogeneration heat recovery to supplement plant heating system INDIVIDUAL COGENERATION ■ Mains, Ties, and Bus Ties included with Woodward LS-5 PANELS FOR THE circuit breaker controllers integrated to simplify all (2) CATERPILLAR CG170 control modes of operation BIOGAS GENERATORS ■ Protocol converter/gateway devices utilized to gather ...... all automation data and communicate with plant ■ Design interface to the SCADA network over fiber link Caterpillar TEM-Evo unit ■ CAN-to-fiber converters provided for interconnection controls for total engine between biogas generator building controllers and control alongside unit diesel generator building controllers Woodward EasyGen controllers ■ Mounting/wiring of PLC drop I/O for serial connection to wall mount This project once again demonstrated Enercon’s CPU unit expertise in the domain of on-site power ■ CAN-to-fiber converters generation and capability as a system integrator for EasyGen communication to Master Control LS-5 to deliver a fully integrated, customized solution network for a complex cogeneration system
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