Energo has been qualified as per the World Bank guideline for 'Quality and Cost Based Selection (QCBS) procedure’ as an eligible bidder for Design Consultancy of Energy Efficient Renovation & Modernization.
 

Energy Efficient Renovation & Modernization (EE R&M) and Life extension (LE) of existing old units have been accepted worldwide as an effective option to achieve increased generation and improved efficiency at an optimum cost.Energo undertakes R&M Design Consultancy to attain increased efficiency and enhanced life of the unit with reduced emission to meet environment norms. R&M Design Consultancy is aimed at various aspects of undertaking R&M and is based on results of Condition Assessment checks, Non Destructive Tests and Destructive Tests and efficiency measurements/Energy Audits. Detailed Project Reports(DPR) are prepared for various options with financial analysis.

RLA Study of Stream Turbine During EE R&M in a 210 MW Unit

Design Consultancy of EE R&M Activites

 
 

Energy Efficient Renovation & Modernization (EE R&M) / Life Extension Studies

Under the EE R&M  Renovation & Modernization / Life Extension Studies, we undertake:

  • Residual Life Assessment Studies (RLA) for Life Extension (LE)
  • Preparation of RLA / LE Report based on results and Lab sample test results
  • Review of R&M Drawings / Documents submitted by the R&M Contractor(s)
  • Carrying out Energy Audit / PET as per ASME-PTC test codes
  • Approval of Report by CBB / Client by making presentation
  • Preparation of Technical Specs and Detailed Project Report (DPR) for carrying out R&M Works
  • Evaluation of Tenders as owner’s engineers
  • Assist owner for Award of Contract for R&M Works
  • Supervision of R&M Works at Site as implementation support Consultant
  • Assist owner during Performance Guarantee Testing after EE R&M

Our approach & methodology for EE R&M / LE include:

  • Hot and Cold Walk down Surveys
  • Review of Plant History and Operation Records
  • Visual Inspection of Components / Equipment / Structure / Foundation
  • Non-Destructive Testing
  • Destructive Testing on Samples
  • Conduct Energy Audit/PET
  • Evaluation and Analysis of Results
  • Root Cause Analysis
  • Cost Benefit Analysis
  • Conformance to Applicable Codes and Standards
  • Recommendations

Entire range of testing facilities caters to complete investigative studies and conduct various destructive and non-destructive tests including:

Non Destructive Testing:

  • Visual Inspection
  • Hardness Measurement
  • Dye Penetration Tests
  • Magnetic Particle Inspection
  • Ultrasonic Thickness Measurement
  • Ultrasonic Shear Wave Inspection
  • Ultrasonic Hydrogen Scale Measurement
  • Etching for Seam Weld Locations
  • Radio Graphic Testing
  • Metallography In-Situ and Replication
  • Eddy Current Testing
  • In-Situ Oxide Scale Thickness
  • In-Situ Chemical Analysis
  • Tube Sample Evaluations
  • Remote Internal Visual Examination (Fibroscopy)
  • Natural Frequency Measurement & Steam Path Audit (Turbine)
  • Borosonic Testing of Rotor Shaft
  • Circuit Breakers Operation Time
  • Relays / Timers
  • HT / LT Bus Bar and Bus Duct Insulation
  • CT / PTS Rating
  • Earth Resistance Measurement
  • Hot Spot by Thermo-vision Technique
  • HT Cables Tan Delta, IR
  • ESP Electricals Field Energizing

Destructive Testing:

  • Measurement of Mechanical properties
  • Micro-Biological / Bio-Chemical Analysis
  • Scanning Electron Microscopy
  • Creep / Stress Rupture Testing

Electrical Testing:

  • DC High Voltage Test for Stator Winding
  • IR Value
  • Polarization Index (PI)
  • Tan Delta
  • ELCID Test (Electromagnetic Core Imperfection Detection Test)
  • RSO Test (Digital Recurrent Surge Oscillograph Test)
  • Power Transformers (Transformer Winding / Insulating Oil / Paper Insulation
  • On Load Tap Charger [OLTC])
  • Furan Test
  • DC Resistance

NDT of Civil Structure and foundation:

  • UPV test
  • Rebound hammer
  • Phenolphthalein test
  • Core cutting

Life Extension

Possible life extension of the unit by 15-20 years.

Lower Emission Levels

Reduction in emission level of SPM below 50 mg/NM3 to meet the Pollution Control Board’s requirement.

Enhanced Capacity at Lower Costs

R&M increases efficiency and helps in achieving higher capacity along with upgrading of power output of unit.

Reduced Auxiliary Power Consumption

New technologies improve performance resulting in Reduced Auxiliary Power Consumption.