1 edition of Guidance notes for reducing energy consumption costs of electric motor and drive systems. found in the catalog.
Guidance notes for reducing energy consumption costs of electric motor and drive systems.
by Energy Efficiency Office, Department of Energy in Didcot (Energy Efficiency Enquiries Bureau, Energy Technology Support Unit (ETSU), Building 156, Harwell Laboratory, Didcot, Oxon., OLX11 0RA)
Previous ed.: 1989.
|Series||Good practice guide -- 2.|
|Contributions||Great Britain. Energy Efficiency Office.|
|The Physical Object|
|Number of Pages||85|
Electric motors are the prime mover of industry and our general comfort in commercial buildings. The motor systems consume 20 percent of all energy used in the United States and 59 percent of all electricity generated. Within each sector: 78% of electrical energy in industrial systems (greater than 90% in process industries). Increase system energy efficiency with motor and drive tools Lenze L-Force Drive Solution Designer (DSD) software design tools, L-force MF ac motors, and the energy-saving VFCeco (Voltage Frequency Control economic) feature in Lenze inverter drives can reduce energy use and pollution, conserve resources, and lower energy costs without sacrificing productivity.
Calculating total drive energy. The calculation of energy costs in drive systems often equates to no more than a recount of procurement costs. The overall cost effectiveness of the drive system can only be assessed as part of a lifecycle costs (LCC) analysis. Although a commonly used tool in business management, LCC analyses are rare for drives. energy savings also resulted from changes made to other energy use sources in the station. Annual energy consumption by the lighting system was reduced from 5, kWh to 78 kWh, while energy consumption of the bubbler level control (7, kWh/yr) and the cooling water pumps (1, kWh) was entirely eliminated.
Motor Transformer Conductor 10 HP Energy Savings = KW Load (resistive) = KVAR Load (reactive) Saving are calculated on I2 R losses. Using a # 12 gauge wire from Table 9 in the NEC the resistance is 2 ohms per feet. ’ @ 2 Ohms/’ is.5 ohms. Using this the total saving will be approx. watts. NOTE: This is only if the. Electric motors, taken together, make up the single largest end use of electricity in the United States. In industrial applications, electric motors account for roughly 60% of electricity consumption; in the process industries, electric motors account for more than 70% of electricity use. Electric motors provide efficient, reliable, long-lasting.
We would like to show you a description here but the site won’t allow more. Energy Efficiency Office Guidance Notes for Reducing Energy Consumption Costs of Electric Motor and Drive Systems, Best Practice Programme, Good Practice Guide 2, (Department of Energy, London).
Google ScholarCited by: First Published as Guidance Notes for Reducing Energy Consumption Costs of Electric Motor and Drive Systems,December 2nd edition Reprinted 12/91, 11/93, 7/94, 5/95, 6/ Updated version published March LIST OF RELEVANT TITLES IN THE GOOD PRACTICE GUIDE SERIES COMMERCIAL REFRIGERATION PLANT: ENERGY EFFICIENT OPERATION AND.
accounted for by the energy consumption of electric motors and electric motor systems. 3 In the tertiary sector, a part of services, the total electricity consumption of motor systems is around TWh.4 Energy-efficiency is one obvious solution for key issues of the future: climate change, resource shortages and steadily rising energy costs.
Elliot, R. N.: Energy Efficiency in Electric Motor Systems, ACEEE, Washington Google Scholar Engleryd, A.; Nilsson, H.: Technology Procurement, to be published in this volume Google Scholar ETSU: Guidance Notes for Reducing Energy Consumption Costs of Electric Motor and Drive Systems, Good Practice Guide No.
2, Best Practice Programme Cited by: 8. Reducing Power Factor Cost Replacing an Oversized and Underloaded Electric Motor The Impacts of the Energy Policy Act of on Industrial End Users of Electric Motor-Driven Systems United States Industrial Motor-Driven Systems Market Assessment: Charting a Roadmap to Energy Savings for Industry Determining Electric Motor Load and Efficiency.
Rewinding of motors. In some cases, it may be cost-effective to rewind an existing energy-efficient motor, instead of purchasing a new motor. As a rule of thumb, when rewinding costs exceed 60% of the costs of a new motor, purchasing the new motor may be a better choice (CEE, ).
Motor Load Calculator. What does it cost each year to operate an electric motor. With the motor load calculator you can quickly estimate annual energy use and cost for any electric motor.
The calculator is a versatile energy management tool which accepts measured current, full. Reducing energy use in your home saves you money, increases our energy security, and reduces the pollution that is emitted from non-renewable sources of energy.
Purchase energy-efficient electric systems and operate them efficiently. Incorporate passive solar design concepts into your home, Such programs might charge you the actual cost. GPG2 Guidance Notes for Reducing Energy Consumption Costs of Electric Motor and Drive Systems - GPG ( rep ) GPG2 Energy Savings with Motors and Drives - GPG (, revised ) GPG3 Introduction to Small-Scale Combined Heat and Power CHP - GPG ( rep ).
There are three major steps to determine motor operation costs. First, use energy efficiency and required output power to calculate input power. Next, multiply the hours per year and input power to establish the energy usage.
Finally, the energy usage and electrical rate are used to calculate the annual operating cost. The Economics of Energy Savings in Electric Motor Figure Estimated overall efficiency and electricity use for all types of electric motor systems Figure Life‐cycle cost of 11 kW IE3 motor with 4 operating hours per year.
This is much lower cost, and for the many applications with steady loads, can give quite adequate data. Measuring energy and power gives invaluable information on the motor system being studied.
By careful consideration of the accuracy of the information that you actually need, it is possible to significantly reduce the costs of collecting data.
The updated electric motor standards apply the standards currently in place to a wider scope of electric motors, generating significant estimated energy savings.
DOE's analyses estimate lifetime savings for electric motors purchased over the year period that begins in the year of compliance with new and amended standards () to be Embedded systems range from no user interface at all, in systems dedicated only to one task, to complex graphical user interfaces that resemble modern computer desktop operating systems.
Simple embedded devices use buttons, LEDs, graphic or character LCDs (HD LCD for example) with a simple menu system. More sophisticated devices that use a graphical screen with touch sensing or.
Energy Technology Support Unit (United Kingdom) and REMACS (Firm) (United Kingdom) Abstract Previous ed.(i.e. 2nd ed.) published as: Guidance notes for reducing energy consumption costs of electric motors and drive systems.
Available from British Library Document Supply Centre- DSC (2) / BLDSC - British Library Document Supply. Priority for an electric motor energy efficiency programme; conclusions 1.
First focus on the medium size electric motors 2. Start with the 3-phase induction motor 3. These are to be found mainly in the Industrial and Commercial sector 4. Often combined with pumps, fans and compressors.
is the sole measure to reduce energy use from electric motor systems. Mere savings of % will be reached at IE1 level compared to the business as usual (BAU) scenario. If MEPS were instead introduced at IE4 level, for instance, the electricity savings and related greenhouse gas (GHG) emission reduction would be 7 times higher (%).
Therefore, the electrification of HGVs is many years away from becoming commonplace, and in the short to medium-term other solutions need to be found to reduce their energy consumption and emissions.
First, consider where energy losses occur for HGVs in urban drive. Copies of these guides may be obtained from: Energy Efficiency Enquiries Bureau ETSU Harwell Didcot Oxfordshire OX1 1 ORA Tel No: Fax No:. This application note discusses how to calculate energy costs accurately, and presents an online calculator that makes the calculation even easier.
Why Monitoring Energy Use Is Important Experts agree that the most powerful tactic to address climate change, pollution, and energy consumption is to reduce the energy that we use.
Guidance notes for reducing energy consumption costs of electric motors and drive systems, good practice guide 2, Department of Energy, UK () Google Scholar . 3. Energy audit. A systematic approach, to monitor industrial energy consumption and to pin-point sources of wastage, is known as energy audit.
An energy audit study helps an organization to understand and analyze its energy utilization and identify areas where energy use can be, reduced, decide on how to budget energy use, plan and practice feasible energy conservation methods that .