comprehensive audit.pptx

8/14/2019 Comprehensive audit.pptx

1/12

Scope of Comprehensive

Energy Audit


2/12

Power Plant

Study of steam system covering steam generation,distribution and utilization. The study would cover:

Efficiency evaluation of boiler

Optimum steam generating pressure

Quantification of steam leakages Pressure drop in the system

Distribution aspects such as line survey and steam trapsurveys

Optimization of steam utilization

Evaluation of Specific steam consumption

Detailed Steam Balanceon HP and LP side

Condensate recovery


3/12

Electrical Systems

Transformer Load Management

Study of the loading practices on distributiontransformer to evaluate the operatingefficiencies.

Power Factor Management Study of power factor at different bus levels

Designing and optimal placing of capacitor banks

to reduce the distribution losses and at the sametime to improve the power factor.

Installation of capacitor banks on transformer LTbus will also be evaluated.


4/12

Distribution Losses

Study of the energy losses in the cable system

would indicate the measures to be taken for

minimizing the energy losses in the cables and the

overall distribution losses (percentage).

Harmoincs

Harmonic measurement at selected areas like

main incomer, etc.

Electrical Systems


5/12

Electric Motor & DrivesThe study would cover (motors 11 kW and above) loading

conditions on motors &loading analysis to arrive at

Proper sizing of motor

Use of Energy Efficient motors

Possibility of operating under loaded motors in star mode

Reactive power compensation of motors operating at lower

PF

Application of speed control devices and smooth starting

devices

Energy Efficient transmission

Detailed techno-economics of above measures will be carried

out.


6/12

Air Compressors

The study would cover the following

Free air delivery of the assessment Estimation of specific energy consumption ( kW per cfm)

Quantification of compressed air leakage ( No load test ifpossible)

Pressure drop in the system Inter cooler and after cooler effectiveness

Loading and unloading pattern

Optimization of compressed air utilization and distribution

Detailed techno-economics of above measures will be carriedout.


7/12

Pumps, Fans and blowers

The study would cover the following Flow and head measurement of water pumps/

blowers

Measurement of power parameters ( kW, kVA, pf,

frequency, current, voltage) Evaluation of efficiency of pumps

Application and matching of drive

Application of flow control methods Application of retrofit for energy savings


8/12

Cooling towers

The study would cover the following Cooling tower optimization along with

suitability of retrofits such, automatic

temperature controller, Cooling water user

areas, etc. will be looked into.


9/12

KilnsThe study would cover the following

Mass/ Heat Balance

Measurement/ estimation of air /gas flow rates

Evaluation of heat components

Study of process parameters -Air & gas balance for kiln Measurement of surface temperatures & estimation of

surface heat losses in kilns

Optimization of fans in kiln section

Fine tuning of kiln feed and coal conveying systems


10/12

Cooler

Recovery of heat from rotary cooler.


11/12

Lighting

The study would cover the following

Detailed audit in lighting system including

application of retrofits such as

Timer control

Photocell control Installation of voltage controllers

for lighting or installation of separate lighting

transformer

Use of energy efficient lighting


12/12

End of Presentation

comprehensive audit.pptx

Documents