Download POWER AND ENERGY SAVINGS

POWER AND ENERGY SAVINGS
KVAR Energy Savings, Inc. (KVAR)
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Table of Contents
World Energy Crisis......................................................................................................................................3
KVAR Information
KVAR’s Energy Savings at Power Plants....................................................................................................4
KVAR in Manufacturing, Mines & Agriculture..........................................................................................4
KVAR Energy Savings, Inc.............................................................................................................................5
KVAR Energy Controller (KVAR EC®)....................................................................................................5
Where Are KVAR ECs® Installed?............................................................................................................6
Why Not Use VFDs?.....................................................................................................................................6
Reports
U.S. Department of Energy Fact Sheet - “Reducing Power Factor Cost”.........................................7
NASA Summary of KVAR Energy Controller..........................................................................................7
University of Greenwich Report.................................................................................................................8
Kuwait Oil Company Study...........................................................................................................................8
University of Santiago, Chilé, Department of Electrical Engineering...................................................9
KVAR Industrial Clients.................................................................................................................................9
KVAR EC® Installations and Savings
Schneider Valley Farms Dairy (SVFD) - Williamsport, Pennsylvania.....................................................10
Wastewater Treatment Plant - Salisbury, Massachusetts.........................................................................10
Oklahoma Tower - Oklahoma City, Oklahoma.........................................................................................10
New England Recycling (NER) - Taunton, Massachusetts........................................................................11
U.S. Foods – Cold Food Storage Facility - Corona, CA...........................................................................11
Charmer Sunbelt Group – Beer and Wine Distributor...........................................................................11
Bernie Little Distributing - Ocala, Florida...................................................................................................12
Omni Hotel - San Diego, CA.........................................................................................................................12
Marriott Hotel - Gaslamp Quarter Downtown - San Diego, CA.........................................................12
Why KVAR?......................................................................................................................................................13
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WORLD ENERGY CRISIS
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Next to the Economy – Energy is the biggest concern to most citizens – safe, reliable service that is affordable, conserves
natural resources, and protects the environment.
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National leaders are looking for innovative ways to reduce energy consumption and carbon footprint, while developing
more efficient methods of power distribution & utilization.
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Electricity demand will increase considerably over next several years, while growth in capacity is precarious at best. Fuel
and electrical generation costs are also set to increase substantially.
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Intensive energy conservation efforts at largest Industrial and Commercial clients could save up to 40% of power on the
grid – the equivalent of building two multi-billion dollar power plants.
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Energy savings projects could minimize or eliminate blackouts, reduce electric costs and increase worker/employer
productivity – a benefit to both the Power Company and Businesses.
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KVAR’s Energy Savings at Power Plants
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There is tremendous potential for energy efficiency savings within large power plant facilities, given that power plants can
utilize up to 20% of the electricity they generate within the facility itself for the operation of numerous large and small motors,
water pumps and cooling fans.
If this internal plant consumption were cut in half to 10%, then a $1B/year operating power plant has the potential
to save over $10M/year by using KVAR
Not only that, but every kVA of energy saved inside the power plant now becomes available kVA to sell to power company
customers on the electric distribution grid!
KVAR in Manufacturing, Mines & Agriculture
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KVAR has lowered industrial and commercial business operating expenses by significantly reducing the energy
consumption of irrigation and water pumps, conveyor belt, grain mill motors (for produce and mineral processing), and
chillers and compressors (used for meat refrigeration and cold storage applications).
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KVAR Energy Savings, Inc.
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In business since 1992, products are “Made in the USA.”
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Manufactures and Installs a U.S. patented and UL listed “Energy Controller” (KVAR EC®)
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KVAR has been business for over 20 years - 4 times as long as the warranty on its commercial units (5 yrs)
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Over 300,000 residential KVAR ECs® sold. More than 75,000 industrial and commercial devices sold internationally. KVAR Energy Controller (KVAR EC®)
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KVAR Energy Controller (KVAR EC®) is a custom-sized capacitor bank.
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"Power Factor Optimization Device"
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KVAR EC® supplies reactive power to inductive motor loads.
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Residential units guaranteed 12-yrs.
Industrial, Commercial and Residential applications
600-volts to 110V AC, 50Hz or 60Hz.
Single-Phase or Three-Phase
100ʼs of modular/scalar pre-engineered models/sizes. Installed at electric service entry panel or directly at control panel of heavy motor loads.
Reduces energy consumption of motors, air conditioners, condensers, chillers, air handlers, refrigerators,
fans, blowers, and pumps.
Reduces "kilo-Watt-per-hour" energy consumption between 6% to 25%.
Return-on-investment less than one-year to 24-months. Payback period reduced when combined with solar, wind, lighting and other renewable and energy
efficiency projects.
Commercial and Industrial units guaranteed 5-yrs.
KVAR Sizing Units: analyze motor in real-time for capacitance optimization – not a “one size fits all” solution.
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Total Current Without KVAR EC® Installed!
!"#$%0/0-'$1-%,0'0$%
!"#$%,"'"$%-".'$"/%-0.'0$%
!"#$%&"'"$%(")*+%
20)-340%5#$$0.'%
In accordance with Article 460 of the National Electrical Code (NEC), the KVAR EC® installs neatly next to your !
motor on the load side of your motor"s contactor switch, allowing your KVAR EC® to switch on and off with your !
motor loads, resulting in the best possible level of savings. !
Total Current With KVAR EC® Installed!
6"$71.8%5#$$0.'%
Why Not Use VFDs?
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Variable Frequency Drives (VFDs) are only applicable for very specific situations in reducing motor power consumption;
such as maintaining water pressure in tower high-rise buildings with multi-level stories, or for ventilation system air volume
dampener adjustment.
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With VFDs there is reduced energy efficiency (~10%) from the onset due to conversion of electricity from AC to DC,
along with noise and harmonics distortion introduced into the entire electrical network.
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If the facility is open to the environment or even minimally exposed to the elements, the digital control panels of VFDs can
easily corrode and cease to operate the motor drive.
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VFDs running at 80% or greater load are consuming more energy than no VFD
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U.S. Department of Energy Fact Sheet
“Reducing Power Factor Cost”
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Low power factor is expensive, an inefficient use of power, and
reduces electrical network distribution capacity.
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Benefits of increasing power factor:
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Reduced utility bill
Increased electrical system capacity
More effective motor performance
Strategies for correcting power factor:
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Installing capacitors in the AC circuit to decrease the magnitude
of reactive power and stabilizes line voltage
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Replacing older motors with new energy efficient motors
Minimizing operation of idling or lightly-loaded motors.
Avoiding operation of equipment above its rated voltage.
NASA Summary of KVAR Energy Controller
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10hp compressor motor tested in Nov. 1996
Real power (kW) draw by motor decreased from 5.63kW to 5.14kW
This corresponds to a power reduction of 8.7%
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University of Greenwich Report
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Study examined 18 induction motors.
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Motors tested were 380V to 415V, 3-phase units ranging 7.5 to 250kW
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Engineers identified average energy savings of 7.8% were achievable as a result of Power
Factor Correction.
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This compares with a figure of only 3.3% that is typically calculated as solely reactive I2R losses.
Kuwait Oil Company Study
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Condenser pump at a chilled water plant: 225V, 3-phase, 45kW rating with a load
capacity of 73.1amps
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KVAR EC® sized and installed on pump, increasing Power Factor from 0.87 to 0.99
Current draw was reduced by 10.4%
Apparent power (kVA) reduced 10.5%
8.1% kW energy consumption reduction
Studyʼs Conclusion: Power Factor increase close to unity (1.0) results in
energy saving..
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University of Santiago, Chilé
Department of Electrical Engineering
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7.5kW, 10kW and 15kW three-phase motors tested by USACH DIE.
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No change in motor horsepower output capacity.
Testing discovered KVAR EC® was considerably more effective in reducing
energy consumption than new expensive "energy efficient" motors of equal
rating.
Improvement in motor performance measures; reduced heat, increased
motor torque, voltage stabilization.
KVAR Industrial Clients
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Airports, Train & Subway Stations
Hospitals, Medical & Dental Clinics
Water & Sewage Treatment Plants
Military Bases & Government Admin Buildings
Universities, Colleges, Schools, Community Centers
Office Buildings, Banks, Fueling & Gas Stations
Hotels, Apartment Buildings, Mosques & Churches
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Schneider Valley Farms Dairy (SVFD)
Williamsport, Pennsylvania
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KVAR EC® installed on 50 high run-time motors
kWh/Cooling Degree Day (CDD) 1000 kWh lower
Reduced kWh usage of over 8%
Wastewater Treatment Plant
Salisbury, Massachusetts
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KVAR ECs® installed on four blowers that alternate running 24/7 and four effluent
pumps.
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In 1st month of operations, client saw 18% reduction in electricity usage
compared to the same month a year prior.
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Return-on-Investment: Less than 6-months.
Oklahoma Tower
Oklahoma City, Oklahoma
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By improving power factor on large motors used to cool and re-circulate air throughout the
31-story commercial building, managers saved 13% to 18% on monthly electricity costs
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Director of Operations, said the trial outperformed expectations and “This project
delivered more than double the anticipated kilo-Watt-hour savings. These gains in efficiency
provide a direct benefit to our tenants, because they help us to keep operating expenses
low.”
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New England Recycling (NER)
Taunton, Massachusetts
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Recycling facility comprising 24 motors on conveyers and machines that crush materials 16 hours a day.
KVAR EC® installed on one 600 hp motor, raised PF from 0.50 to 0.99 and dropped current from 245 to 78 amps.
Facility averaging 19% reduction on monthly electric bills.
Return-on-Investment: Less than 12-months.
U.S. Foods – Cold Food Storage Facility
Corona, CA
PROJECT SUMMARY!
Average kWh Used from 2009 to 2010:!
Average kWh Used in 2011 After KVAR Installation:!
Annual 2011 kWh Savings!
Percent kW Savings!
Annual 2011 Monetary Savings!
KVAR Installation Cost:!
Return-on-Investment (ROI) Period!
ROI Rate!
4,438,219 !
4,043,359 !
394,860 !
9.2%!
$32,279!
$31,500 !
11.7 Months!
102%!
Charmer Sunbelt Group – Beer and Wine Distributor
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Engineers identified average energy savings of 7.8% were
achievable as a result of Power Factor Correction at the state-of-theart beverage warehousing and distribution center
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KVAR EC® deployment aimed at reducing energy consumption of 40
air conditioning, heating, refrigeration and conveyor motors.
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Facility maintains 10% sustained kWh energy savings.
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Bernie Little Distributing
Ocala, Florida
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Beer warehouse and distribution center.
After KVAR EC® installation, electric bills decreased by 7.6% over the
same time the year before.
Omni Hotel
San Diego, CA
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June 2012 electric bill $51,576 compared to $56,730 in June 2011
$5,154 monthly energy savings realized
9% monthly cost reduction – exceeding targeted goals
Even with 16% increase in occupancy from 12,058 in June 2011 to 14,191 in
June 2012 – KVAR EC® still saved Omni $3.54 in energy costs per occupant
Marriott Hotel
Gaslamp Quarter Downtown - San Diego, CA
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$6,119 energy savings in Aug 2010, compared to Aug 2009
– 15% electric utility cost reduction
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$8,422 energy savings in July 2010, compared to July 2009
– 21% electric utility cost reduction
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Why KVAR?
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KVAR ECs® result in more efficient performance of motors due to voltage stabilization (no line
voltage drops).
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Optimized Power Factor significantly reduces current (I2R) losses and lowered line currents losses
throughout a siteʼs entire electrical distribution system => thus lowering your energy bill
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Less energy is wasted as heat and windage losses
Results in cooler running and longer-lasting motors
Motors require less maintenance and reduced magnetic core fatigue
For more information, please contact our office at (386) 767-0048, or visit our website at www.kvar.com.
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