Electrical Energy Auditing 2022 | Types of Energy Auditing | Benefits Of Energy Auditing

Electrical Energy Auditing
Elec­tri­cal Ener­gy Audit

What Is Electrical Energy Audit 

Elec­tri­cal Ener­gy Audit­ing is the study and analy­sis of machines that run on a build­ing or sys­tem to reduce the input of a machine with­out chang­ing the out­put.

Types Of Energy Auditing 

The type of ener­gy audit­ing depends on the type of fac­to­ry to be audit­ed and its type. Ener­gy audit­ing can be there are two types. 

  • PRELIMINARY AUDIT
  • DETAILED AUDIT

PRELIMINARY AUDIT

Pre­lim­i­nary ener­gy audit is the process of com­pil­ing the required details before start­ing the auditing. 

  • Details of the ener­gy expend­ed in that company.
  • Eval­u­at­ing expect­ed ener­gy saving 
  • Know­ing the places where you can eas­i­ly do ener­gy saving. 
  • Iden­ti­fy places that increase ener­gy sav­ing immediately. 
  • Estab­lish­ing a spe­cif­ic ref­er­ence point for ener­gy saving 
  • Know­ing the area to study in detail for ener­gy saving.

DETAILED ENERGY AUDIT 

This type of audit can accu­rate­ly assess ener­gy saving.It dis­cuss­es all the projects and accounts of the ener­gy used for impor­tant large machines. Includes cal­cu­la­tions that can save energy. 

It is based on the ener­gy used sys­tem, the cur­rent oper­at­ing con­di­tion and the assump­tions for find­ing the ener­gy used.Thus the esti­mat­ed amount is com­pared with the bill for the ener­gy used 

Requirements For Energy Auditing 

  • Pre­pare the bud­get required for the ener­gy audit
  • Imple­ment the rec­om­men­da­tions made by the Ener­gy Auditor 
  • Find peo­ple who can col­lab­o­rate on ener­gy auditing. 
  • Deter­mine the method for detailed ener­gy audit.
  • Must have pri­or expe­ri­ence of Ener­gy Auditors
  • Iden­ti­fy meth­ods, plant and machin­ery for ener­gy audit 
  • Ener­gy audit­ing com­pa­nies should be hired

Energy Auditing Methods 

Elec­tri­cal Ener­gy Audit

A method devel­oped in the right for­mat can be use­ful for doing ener­gy audit­ing effectively.The method will vary depend­ing on the com­pa­nies. Regard­less of which method is used, the pur­pose of doing ener­gy audit­ing will be accomplished

The method to be used should be known to the out­side audi­tor before start­ing the auditing.The fol­low­ing are the ways to deter­mine the method of auditing 

  • Pre­pare a sin­gle line dia­gram of the elec­tri­cal system.
  • We need to col­lect the baso line data of the ener­gy used.
  • Study the ener­gy bill for the next year. You also need to know how ener­gy is used.
  • Know the amount of ener­gy it takes to pro­duce an object and how much it costs. 
  • Areas where the audit can be done should be done in con­sul­ta­tion with the rel­e­vant engi­neer so that those present in the plant are present dur­ing the audit. 
  • The input pow­er, cur­rent, pow­er fac­tor, effi­cien­cy, etc. of the motors must be cal­cu­lat­ed. Dur­ing this time the load must be con­stant­ly mon­i­tored to detect the effect of the vary­ing load on the machines.
  • Inves­ti­gate resid­ual ener­gy and mate­ri­als, loss ener­gy and wastage ener­gy, etc.
  • Exam­ine the elec­tric­i­ty tar­iff and reduce the bill for power. 
  • Pre­sent­ing the result obtained by exam­in­ing the data is impor­tant in ener­gy auditing 
  • The ener­gy audi­tor should care­ful­ly study the details of mon­i­tor­ing and report­ing ener­gy in prac­tice in a company.

ENERGY AUDIT REPORT 

Elec­tri­cal Ener­gy Audit

The report pre­pared after the ener­gy audit is the most impor­tant doc­u­ment and this report should be pre­served for lat­er viewing. 

This report should be in prop­er for­mat and all con­tents should be pre­pared gen­er­al­ly the ener­gy audit report should have all the fol­low­ing features. 

  • Exec­u­tive summary 
  • Gen­er­al aspects of ener­gy auditing 
  • Ener­gy track­ing system 
  • Util­i­ties infrastructure 
  • Ass­es­ments and recommendations 
  • Oper­a­tion and main­te­nance practice

Executive summary

The first part of the Ener­gy audit­ing report is the exec­u­tive sum­ma­ry. The fol­low­ing fea­tures are giv­en in detail. 

  • Details of the amount of ener­gy cur­rent­ly used in prac­tice and its cost. 
  • The amount of ener­gy used is dif­fer­ent from the val­ue of the cod­ed base­line or bench­mark into 
  • Rec­om­mend ways and sug­ges­tions to increase the run­ning of machines and reduce the amount of ener­gy that is waste. 
  • If the bench­mark about the amount of ener­gy to be used is not cod­ed, the machines and the plant should be cod­ed separately. 
  • Improve the way machines are oper­at­ed and main­tained, which can direct­ly or indi­rect­ly affect the amount of ener­gy used.

General Aspects Of Energy Auditing 

  • Gen­er­al­ly the details about the com­pa­nies doing the audit and its relat­ed activ­i­ties should be descriptive 
  • Oppor­tu­ni­ty, sched­ule and method of auditing 
  • Details of elec­tri­cal appli­ances and oth­er facil­i­ties for use 
  • Accu­mu­lat­ed details and explored

Energy Tracking System 

Data should be col­lect­ed on the ener­gy used dur­ing the spec­i­fied time peri­od. The fol­low­ing are some of the fea­tures of the Ener­gy track­ing system 

  • The amount of ener­gy con­sumed by the machines should be mea­sured with the help of record­ing equipment 
  • The base­line amount of ener­gy required to pro­duce an object must be deter­mined in KWHR 
  • The amount of ener­gy cur­rent­ly used should be com­pared with the bench­marked value 

Utilities Infrastructure

Col­lect infor­ma­tion on exist­ing elec­tri­cal, water, steam, com­pressed air sys­tem, etc. 

  • The type, capac­i­ty, and con­fig­u­ra­tion, main­te­nance, and prob­lem details of the machines must be tak­en into account 
  • Also col­lect infor­ma­tion known from machines in the past, prob­lems encoun­tered and oppor­tu­ni­ties for use

Assesments And Recommendations 

In the final con­clu­sion on Ener­gy audit­ing the fol­low­ing points should be clar­i­fied so that every­one can notice. 

  • Eval­u­at­ing the per­for­mance of the elec­tri­cal sys­tem and machines 
  • Meth­ods of select­ing par­tial and high invest­ment and repay­ment peri­ods, etc., with­out investment 
  • Pro­vide details of Ener­gy Sav­ing Plan Imple­men­ta­tion, Action Plan Imple­men­ta­tion Sched­ule, Avail­able Machines, and Out­sourced Managers

Benefits Of Energy Auditing 

Ener­gy audit­ing has the fol­low­ing benefits 

  • Can cal­cu­late the ener­gy used 
  • Know­ing where ener­gy loss occurs in mechan­i­cal sys­tem, chem­i­cal process etc. Lets explore 
  • Can devel­op a sys­tem for mon­i­tor­ing energy 
  • The right tech­nique can be used 
  • Effi­cien­cy can be increased by using the right equipment 
  • Used ener­gy can be recy­cled and reused 
  • The amount of ener­gy to be used can be made into a code 
  • Pre­cau­tions can be tak­en to imple­ment a qual­i­ty con­trol program

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