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Heat & Mass Balance Diagram for Power Plant study (HMBD)

Heat and mass balance diagram is a simulation tool for power plant monitoring. In the competitive power plant sector, it is essential for operational and maintenance engineers working in the power plant to have knowledge of their plant efficiency and performance factors. Such knowledge would enable them to understand the influence of various parameters on the equipment / system performance, which is vital for making correct interpretation of the equipment / system behaviour and to make necessary trouble shooting actions for optimization of system performance.

HMBD is a simulation tool that facilitates plant and control system design of thermal power plants. Simulated Head and Mass Balance Diagram includes mapping of individual parameters on individual equipment. Once the HMBD is simulated, the plant engineers can perform the thermodynamic analysis using the actual data.

A well-designed HMBD will allow to:

  • See changes in plant and equipment performance
  • Identify action levels so you can plan maintenance
  • Increase reliability by identifying instrument issues before they affect plant operation
  • Help staff understand how to optimize the plant

The performance of a power plant can be expressed through some common performance factors.

  • Heat Rate
  • Thermal Efficiency

TYPICAL CASE STUDY

Company Name    :      Welspun India, Vapi

Task assigned        :      Performance Evaluation of Power plant and preparation of HMBD

Broad objectives  :     

  • Performance evaluation of power plant and its auxiliaries
  • Preparation of computer aided simulation tool – HMBD (Heat and Mass Balance Diagram)

Project Brief

  • The Captive Power Plant configuration at Welspun India Limited has 1 no. Gas turbine with Waste heat recovery steam generator, 1 no. Gas engine with waste heat recovery Vapour Absorption machine. 3 nos. diesel engines are standby units. CPP of Welspun is running in Islanded mode i.e. CPP is neither imports nor exports power to state electricity grid to ensure power supply at constant frequency @ 50 Hz.
  • Average power generation from GT & GE is 5.74 MW & 4.90 MW respectively.
  • Welspun Intends to know efficiency & Heat Rate at different loading of their GT & GE.

HMBD

Benefits

  • This tool helps to monitor the performance of power plant.
  • It has simulation capabilities which help to know the power plant performance at varying operating conditions.

Aditya Energy Services (AES) has successfully carried out such studies across different Industry sectors. List of the industries of repute studied are: JK Paper Mills Limited (JKPM – Rayagada, Odisha); ITC Limited (ITC – Bhadrachalam); ATUL Limited (Valsad); West Coast Paper Mills (WCPM – Dandeli); Sameer Textiles (Ahmedabad); Olam Agro India Ltd (Rajgoli, Maharashtra)