Industrial Energy Management System (iEMS) based on Modbus Technology

Energy conservation is one area of present national focus due to limited energy resources, acute power shortage, and the ever-widening demand-supply gap. Studies conducted by various national and international agencies indicate that in industries, energy savings of 5% to 10% can be obtained by simple monitoring and an additional 10% to 15% can be achieved by monitoring and control. As most of the industries feel the pinch of increasing energy costs day by day, they are looking for conservation and better utilization of energy.  An effective, reliable, and robust energy monitoring system is a prerequisite for achieving sustained energy efficiency. This provides a quantifiable scientific base for continuous monitoring aids in evolving a goal and ultimately facilitates achievement of lower levels of energy consumption through automatic control with interlocking facilities. Central Scientific Instruments Organisation unit at Chennai, under the sponsorships of the Department of Science & Technology (DST), Ministry of Power (MoP), and Indo-German Energy Program (IGEP) developed different technologies to tap these energy-saving potentials in industries.

• The Energy Management System (EMS) acquires data from different feeders of a sub-station of the plant and logs the information and generates reports.
• This information can be used for taking action by generating control signals leading to improvement in energy efficiency.
• The system is a low-cost solution for small applications limited to 32 nodes per network (physical/electrical nodes based on Modbus) to a maximum of 256 nodes.

• The hardware and software components were developed in-house including the GUI.
• The EMS system calculates the Specific energy consumption (SEC) Maximum demand and generates control signals for taking appropriate actions.
• The system has been demonstrated at CSIR-CLRI, Chennai
• Better utilization of energy in industry & Energy conservation
• Provide smooth operation
• Ensure safety for both operating personnel and the environment