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The plant had to be designed as a sustainable environmental system adhering to constraints imposed by operating costs, securing proper environmental monitoring, and ensuring plant safety.RK Powergen needed systems that integrate process parameters from different units for monitoring and controlling the entire plant processes
Our client RK Powergen planned the building of a new plant designed to utilise local waste as biomass fuels such as the rampant wasteland shrub Prosopis Juliflora, Coconut Residues, bark, eucalyptus lops & tops, ground nut husk, paddy husk, fig stalk, betel nut husk, sunflower stalks, and tamarind husk.
The demand in urban, industrial and commercial sectors of the economy in India for energy far outstrips its availability. The industrial sector today consumes approximately 35% of total electricity generated in the country. As fossil fuels are limited and have adverse environmental impact, use of non-conventional energy sources such as Biomass energy plants are on the increase.
The unique feature of this project is that it also employs an air cooled condenser instead of water cooling towers.
Hence, this project directly contributes to reduce Greenhouse Gas emissions which arise from burning fossil fuels. This project also helps reduce specific water consumption by using air cooling instead of water cooling and reduce specific solid waste generation by burning the solid waste. Also, with Invensys Eurotherm, appropriate environmental performance monitoring and control systems have been installed.
This power plant uses Biomass as fuel to generate power. Local waste such as a local wasteland tree, Prosopis Juliflora and other waste such as the husks of locally harvested nuts , lops and tops of the eucalyptus tree and sunflower stalks are used as fuel to generate steam in the Boiler of 100TPH capacity.
The Control System comprises our powerful Eurotherm Suite Distributed Control System, Eurotherm T940 Process Supervisor and 2500 I/0 units and Eurotherm T640 Integrated Loop processors.
The T940 Process Supervisor controls the entire plant by acquiring data through Eurotherm subsystems. Eurotherm Suite stations monitor the complete plant and provide live data to operators.
Besides monitoring the plant data, the Eurotherm Suite Development station is also used for configuration, development, database building and maintenance.
These stations communicate to the powerful Eurotherm Process Supervisors over a high-speed network. The Process Supervisors are configurable strategy engines performing both closed loop and sequential control. The system integrates process data from different instrumentation devices and provides one source of integrated information.
Diverse operating challenges because of involvement of variety of units, including processes for power generation, steam production, and chilled water distribution.
Scope of Supply
the wasteland shrub Prosopis Juliflora, rice husks from the paddy fields and betel nut leaves & fruit.
Control Loops implemented:
Process Mimics implemented:
Invensys Operations Management Eurotherm Suite DCS solution
Operations Server and Viewer are supplied as part of the Eurotherm Suite Distributed Control System. Operations Server provides server connectivity between the control network and the plant network. Operations Viewer provides a defined interface using Wonderware InTouch and allows data distribution across geographical and organizational boundaries.
Applications can be deployed across the network and, simple-to-implement distribution features eliminate the need to duplicate data.To simplify configuration and testing, a fully engineered and tested Eurotherm Suite application is supplied including operator displays, trending, alarming and user-centric security.
T940 Process Supervisor is a powerful and configurable strategy engine capable of performing both continuous and sequential control. The optional redundancy of processor modules provides high availability solutions for process control and the live replacement of processor modules prevents any interruption of the process.
The Process supervisor provides an open I/O network with support for Profibus, Modbus. The advanced peer-to-peer communications on ALIN, together with the open I/O network delivers a distributable system.
2500 Data Acquisition & Multi Loop Control Unit
T640 Loop Processor
In its simplest form, M006, the controller is supplied with a suite of pre-configured, documented, single and dual loop control structures which only require parameterization. In its most advanced form, M004, it is a multipurpose four-loop controller configured for continuous control using a powerful set of function blocks supported by SFC for applications requiring sequential or state dependent control.The block structure architecture supported by graphical configuration tools, makes complex continuous control strategies easy to develop and maintain.