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<p>Prezentace aplikace PowerPoint</p> <p>ENERGY AUDITINGtool to increase ENERGY EFFICIENCY</p> <p>Ing. Bronislava Herdov, PhD.energy auditor</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713Why energy efficiency?Overal EU policy objective:20% GHG emissions 20% RES 20% Energy savings (until 2020)</p> <p>Directive No. 2006/32/ES on on energy end-use efficiency and energy services</p> <p>New Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on energy efficiency</p> <p>Tools to increase EE? =&gt; energy auditing, energy services</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713Why energy efficiency?cheapest energy is that which is not necessary to produceEE is in the center of economy and political attentionEE contributes to fulfilment of main three targets of EU energy policy - sustainability, security and competitivnessEE decreases dependance of economy on non-stabile prices of oil and gasEE is part of healthy energy and economy policy of stateIt supports local economy and its growth based on innovationsIt increase lifetime of objects and technology equipmentDecreases operational costs, environmental impactSaves money and time</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713WHAT IS AN ENERGY AUDIT (EA)?pool of activities (systematic procedure) focused on analysis of current energy need and consumption going out of valid technical standards,analysis of problems (weaknesses and deficiencies), EA identifies and in detail quantifies effective possibilities of energy savings tailored to the object being analyzed,field-work, economy tool having dynamic character, often basis for grant financing of projects.</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713WHAT IS THE AIM OF EA?to minimize costs for energyto minimize operational coststo minimize costs for repairs andreconstructionincrease quality of environment that contributes to increased work productivity</p> <p>In case of EA as duty (Industrial consumers with annual energy consumption over 5,5 GWh/year) the procedure of EA as well as content of the report is determined by Regulation No. 429/2009.In case of voluntary EA is the content and focus as well as target given by customers requirement.</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713MAIN TOPICS/AREAS OF EASubject of energy consumption analysis are energy resources consumed in the industrial area, i.e.:</p> <p>ElectricityNatural gasSteamCoalWood, wood chips/pelletsFuels (petrol, oil, propane-butane).....</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713MAIN TOPICS/AREAS OF EAthermal-technical protection of buildings,heating systemshot water preparation,ventilation systems and air-conditioning (buildings and technology)electric appliances (administrative and technological incl. electrical connection, transformation, distribution network, el. switchboards, el. compensation)gas or other energy resources consuming appliances (furnaces, cleaning devices,..)Indoor/outdoor lighting,measurement and regulation.</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713WHAT OFFERS EA TO THE CUSTOMER?</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713 identifies highest achievable potential of energy and costs savings and its effort, points out on often visible as well as hidden technical/hygienic/safety deficiencies of buildings and building and production technology equipment,... recommends technical parameters of measures, calculates investment needs of measures, their asset - economical, technical, environmental, proposes procedure for realisation of measures, it is very effective technical, economical and management tool for investment decision processes going out of economical modelling, it is solid basement for effective control of energy consumption and herewith also operational costsENERGY AUDIT - PRACTICEIdentification of subject of EAData collection, analysis and evaluation of current statusProposal of EE and RES measures Economy and environmental evaluation of measuresProposal of at least two variants for implementation of measures and recommendation of optimal variantDrafting of written report from EA</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713CASE STUDY chemical industry</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713Name of company: OSPRA Invest, Ltd. Legal status: LtdAddress: Rovinka, BA (Istrochem)Responsible person:Contact:Sector: Chemical industrySubject of EA: -buildings (administrative and production hall) and their technical equipment -production technology</p> <p>Step 1: Identification EA subjecta) Collection of main data about the customer and basic description:</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713Identification of activitiesType of activitiesi (NACE2)2222Number of heated buildings:4 (PH administrative part, administrative building, portable container housing units, building for security)Site plan:Purpose of productionProduction of PE andPP folies (Rovinka)Production of re-granulate (BA)Number of employees 100 (Rovinka) + 30 (BA, Istrochem) Operation regime (days a week) 24 hours/ 7 daysBuidingsHeated volume V [m3]Shape factor of building A/V [1/m]Main building- production hall26 890,00,37Administrative building and Dressing rooms1 179,360,77Container housing units164,161,55Security building246,91,13Step 1: Identification EA subject1 STEP: Identification of subject of EA site plan</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713</p> <p>1 security2 AB, dressing rooms, showers3 new storage hall4 main production hall (offices, social spaces, production hall Bielloni, production hall A, B, welding hall)5 storage hall tent6 crusher of waste follies - recycling7 container housing units8 transformer station - TS 1, TS 2TS3 out of the area of the company</p> <p>b) Description of main activities of EA</p> <p>c) Site pland) List of all buildings and theirs use, description of all energy consumers</p> <p>1 STEP: Identification of subject of EA site plan (ISTROCHEM) </p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713</p> <p>Production of re-granulate</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on energy inputsCollection of monthly energy and water consumption of at least of 3 last years!Collect data on costs coupled with purchase of energy for relevant 3 yearsMost of the data from INVOICESIf possible readings from meters or data collected through e-manager application if availableEnergy consumption that is given by climate conditions should be re-calculated with decree-days!!!</p> <p>Input fuels and energyUnitAmountcaloric value Energy content inMWhAnnual costs EUR excl. VATPurchase electricityMWe12 147,15-12 1471 405 588Purchase - heatGJ----Natural gasm3----Brown coalt----Black coalt----Coket----Other solif fossil fuelst----Heavy heating oilt----Biomasst----Light heating oilt----Dieselt3,1911, 66374250Petrolt5,7312,22709300Other energy gases (Propane)t16,0312,7820516000Secondary energy devided into not used heat and others----RES devided into solar, wind, geothermal and others----Other fuels----Total fuel and energy input12 4591 435 139External customers46053 302Total consumption of fuels andenergy OSPRA INVEST, s.r.o.11 9991 381 836</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on energy inputs</p> <p>OSPRA Invest, Ltd. (Rovinka+BA):97,4% of all energy consumed is ELECTRICITY (57% Rovinka, 43% BA)No Natural gas consumption2,6% - fuels</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on transformation and el. distributionWho is power supplier (ZSE, a.s.), measurement on NN or VN sidePower supply through 3 TS, 3 x 22 kV line, transformation from 22 to 420/230 Data about transformers (type, year of construction, output, connection, cooling?...Data about VN and NN distribution lines (dimensions and lengths of distribution lines, used materials, transmission power, scheme of el. connection, technical state, technical state, equipment with measurement and regulation, control of el. review reports (duty)) Data about switchboxes in the VN/NN Control of power factor correction Control of invoices on technical supply conditions and tariffs</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection about main energy consumersMain energy consumers:Buildings Production technology</p> <p>A. In case of buildings (thermal protection, heating, ventilation, air-conditioning): Purpose and operation Thermal-technical parameters of buildingsBuilding technical equipment (HVAC)Thermal lossesConsumption of energy for operation of buildings</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on main en. consumers - buildings</p> <p>Thermal-technical parameters of heated buildings, check project documentationcheck building materials and parameters of all building envelope components, measure indoor temperature in heating period (ideally also in summer)</p> <p>Heating/hot water system: check for type of heating (steam, hot water, electricity), common system for heating and hot water?type, characteristics and technical parameters of heat sources (el. boiler, gas boiler, coal boiler, biomass)types of heating bodies (el. convectors, infra-red heaters, radiators (hot water/steam)...)</p> <p>STEP 2: data collection on main en. consumers - buildings</p> <p>heat distribution network length and thermal insulation, materials and thicknesscheck if consumption of electricity for heating/hot water is measured, make on site measurement of internal temperature 22oC, how is the measurement and regulation (equithermic, hydraulic regulation, thermostatic valves...)check all relevant documentation project documentation, revisions, and etc.</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on main en. consumers - buildingsHeating: OSPRA INVEST (Rovinka, BA not analyzed)electric heating el. infra-red heaters in production hall, el. convectors, el. oil radiatorsindoor temperature: 22oCregulation (according to indoor temperature)</p> <p>Hot water: OSPRA INVEST (Rovinka, BA not analyzed)prepared for dressing rooms (showers) and toiletsel. heaters</p> <p>NumberOutputkWEl. heaters FAICO89-14El. convectors Technotherm192,0E. convectors Technotherm20,5El. heater Heler20,7Oil el. radiators22,0PoetPrkonkWDHW el. heater 150l52DHW el. heater 200l Tatramat12,2DHW flow el. heater 5l32</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on main en. consumers - buildingsCooling and ventilationCheck and collect same data as in case of heating...characteristic and technical data of source,distribution, measurement&amp;regulation</p> <p>OSPRA INVEST (Rovinka, BA not analysed) - ventilationNo central ventilation system, only ventilators placed in the roof ( 6 x 750 W) and by ventilation windowsthese consumers are not important consumersHowever the ventilation fresh air intake and extraction of waste air was not satisfacory!</p> <p>OSPRA INVEST (Rovinka, BA not analysed) cooling/air-conditioning systemNo central cooling system, only 2 adiabatic evaporative chillers installed on the roof</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on main en. consumers - buildingsOSPRA INVEST (Rovinka, BA not analysed) coollingNo central cooling system, only 2 adiabatic evaporative chillers installed on the roof for 2 production halls</p> <p>Number of adiabatic evaporative chillers: 2 Type:evaporative chillers JH 30Parameters of chiller:Qvzd. = 30 000 m3/hod. x 2 = 60 000 m3/hod.El. input power: 3,0 x 2= 6,0 kW, 3 x 380V, 50Hz.Coolling output (tout 30 C and relative humidity 45%): Qch = 100 kW.Assumed average water consumption: 0,16 m3/hod / pH 5-7 / Regulation:according to indoor temperatureMeasurement:no separate measurement</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on main en. consumers - buildingsIndoor lightingCheck for lighting system characteristics and parameters type of lamps, lighting sources, input power, type of ballast/driver and etc.Check way of operation and regulation Check consumption if measured, otherwise check all necessary inputs to calculate lighting electricity consumptionCheck if lighting-technical conditions are observed</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713 STEP 2: data collection on main en. consumers - buildingsIndoor lighting OSPRA Invest (Rovinka)- Administrative spaces associated lighting combined with daylight in-built lamps with linear fluoresenc lighting sources type T8 (1 x 18W, 2 x 36W) with conventional ballast, in some technical places are conventional incandescent lamps 60W- Production hall ceilling lamps with IP65, hang down in high of 4,5 m, linear fluorescent lighting sources type T8 with input power 3x36W, conventional ballast.......</p> <p>numberNumber of functionalPower input (W)Pint(W)Preal (W)t (h/year)W (kWh/year)W (kWh/rok)Main objectAdministrative spaces1414861 2041 2041 5601 878,241 878,24Toilet336018018052093,6093,60Wellding hall17617613924 46424 4648 640211 368,96211 368,96Toilet44602402401 620388,80388,80Office22861721728 6401 486,081 486,08Hall B13413413918 62618 6268 640160 928,64160 928,64Hall B13513513918 76518 7658 640162 129,60162 129,60</p> <p>En-efekt, s.r.o., Ambrova 35, 831 01 Bratislava, e-mail: herdova@ecb.sk, Tel.: 0904 220 713STEP 2: data collection on en. consumers production processesIn case of technology consumptioncollection of technical data on electric appliances/devices from documentation and /or from labels (input power, voltage, output)operating mode and time of processes/devices operation during year, check for technological schemescontrol of technical documentation notes from operationmeasured energy consumption of individual devices or production sections (if measured and processed)level of control of energy consumption and regul...</p>