Legend Power Overview 97 2003 120410 1256 Do
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Legend Power Systems develops the patented Harmonizer-AVR device which reduces electrical energy consumption in commercial buildings by up to 12% by optimizing voltage. It was founded in 2001 and completed R&D in 2009. Notable clients include Sacramento Municipal Utility District, Honda, IKEA, and various locations in Canada. The Harmonizer-AVR reduces energy costs and carbon emissions by adjusting voltage to stay within normal ranges, reducing power consumption in lighting and equipment without impacting output. It provides approximately a 3 year return on investment and reduces maintenance costs over its 20 year lifespan.
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Legend Power Overview 97 2003 120410 1256 Do
- 12. Benefits Recorded at Science World (Science and Technology Center) June 17 th , 2003, 2:45 PM, pre-Harmonizer installation (ambient temperature 20 0 C), and July 10th, 12:37 PM, post-Harmonizer installation (ambient temperature 22 0 C). Device Temp Before Temp After Temp Reduction Switch Rm.#2 - T12 Lamp 33°C 30 ° C 9% Switch Rm.#3 – T12 Ballast 45°C 40 ° C 11% Switch Rm.#4 – Air Mover Motor 46°C 30 ° C 35% Switch Rm. #2 - Transformer 65°C 55 ° C 15% Mech. Rm. #8 – Ventilation Motor 49°C 43 ° C 12% Corridor #5 - Compressor Motor 45°C 40 ° C 11% Exhibit Area VDU Rear Vents 45°C 45 ° C 5%
- 18. Installation Location A – Directly on the secondary side of the transformer Location B – Immediately after the main breaker Location C – After the utility metering (the ideal method) Location D – On distribution loads
- 19. Commercial Building Installation 600, 480, 400 VAC Utility The Harmonizer-AVR unit can be spliced into several different locations within the electrical distribution system Utility Meter Typically 600, 480 or 400 V distribution
- 21. Measurement & Verification Measurements of Instantaneous Kilowatts on 10 Minute Intervals for One Week
- 23. Major Accounts “ Based on results observed, it has been concluded that the Harmonizer made significant energy savings…..”
- 24. Major Accounts “… our electrical bills dropped in excess of 10%” “ Based on the strong savings results, we were enthusiastic in purchasing your device…. Through the use of the electrical Harmonizer we have reduced our annual energy consumption by more than 330,000-kilowatt hours.”
- 25. Photographs Electrical Harmonizer-AVR Front Views Hot Swap AVR
- 28. Legend Power Systems Inc. [email_address]
Editor's Notes
- Our Board of Directors includes industry veterans such as: Founding CEO of the Ontario Power Authority and PhD in Electric Power Systems - Dr. Jan Carr Former President/CEO, BC Hydro and BC Transmission Corporation - Michael Costello Former VP Sustainability, BC Hydro; Chair, International Center for Sustainable Cities (ICSC)- Bruce Sampson Former Premier of British Columbia and Chair, External Advisory Committee on Communities - Michael Harcourt P. Eng, UBC Associate Professor, Electrical Engineering & Power Electronics - Dr. William Dunford
- There have been quite a number of “black box” power quality solutions offered which claim to deliver savings by improving power factor and harmonics through some type of engineered capacitor set up. We do not do any of this. The Harmonizer-AVR is a patented technology that simply allows the customer to consistently and safely reduce the voltage to the customer facility to the optimal minimum level. That’s it. We do not actively effect power factor or harmonics.
- There is an optimal minimum voltage range below 120 volts where lights, motors, etc, will operate comfortably with no effect on their practical performance. At 110-114 volts these loads will work with less waste heat, longer life, a lower carbon foot print and less energy. However, there are two factors preventing the power company from delivering the minimum optimal voltage to commercial and industrial facilities: Line Loss: Since there are “leaks” or line loss along any length of cable run, the power company must deliver more voltage than is required to the buildings closest to the substation so that facilities furthest away will receive at least the minimum voltage. As a result, the power company must deliver an unneeded “buffer” of power to the facilities closest to the substation...and the customer pay for it. Peak Power : Since the power company must always deliver enough electricity to allow for “peak demand” at non-peak times, the voltage being delivered to the customer facility can rise well beyond what is efficiently required. Again, the power company must deliver an unneeded “buffer” of power to the facilities to allow for peak usage times...and the customer pay for it. If a facility measured their incoming voltage and found that it was quite high, they could install a transformer that would step down the incoming voltage by a certain percentage. This “hard tap” transformer solution has been available for decades. However, if the grid power fluctuated down, the percentage reduction is “fixed” and the voltage can drop too low, causing a brown out. Legend Power Systems Corp. provides a simple and effective technology solution that allows qualified commercial and industrial facilities to reduce their voltage to the optimal minimum level, without any worry about going too low when the power grid fluctuates.
- The Harmonizer-AVR has two parts: An extremely high quality and energy efficient (99. 5%), transformer with three voltage reduction taps – 6%, 4%, and 2%. An electronics payload called an automatic voltage regulator. The AVR is pre-set with the optimal minimum voltage for the customer facility which was determined by out audit. The AVR senses the fluctuations in the power from the grid and dynamically selects one of the three voltage reduction settings. If grid voltage goes too low, the AVR defaults to by-pass and takes itself right out of the circuit allowing all available energy to flow directly into the building - There is no way that the Harmonizer-AVR can negatively impact the customer building’s power supply. The combination of these two components results in a simple and elegant patented solution that, for the first time, allows facilities to safely always operate at their most efficient voltage level without the need for the ongoing expensive energy buffer.
- Legend Power’s Harmonizer-AVR can: Reduce the annual energy bill by 5% -7% Reduce the peak power, saving penalties and charges Be fully installed with no disruption to facility operations and absolutely no change to the way a company or it’s employees does business. Increase lighting and equipment life and reduce maintenance costs (see Science World testimonial) Reduce the garbage caused by replacement bulbs etc. Reduce the building’s carbon foot print Installation of Legend Power’s patented Harmonizer-AVR requires a four day rough-in, and a half, to four hour building shut-down during non-use hours. The whole process is invisible and seamless. With available incentive funding, the payback period is 2.8 – 3.0 years. However, this is a solution that has a maintenance-free life of 10 – 20 years. A lighting retrofit may appear to have a more attractive ROI, but the customer still need to factor in the cost of the install disruption, 10 – 20 years of ballast and bulb replacement and cleaning.
- Legend Power’s Harmonizer-AVR can: Reduce the annual energy bill by 6% -10% Reduce the peak power, saving penalties and charges Be fully installed with no disruption to facility operations and absolutely no change to the way a company or it’s employees does business. Increase lighting and equipment life and reduce maintenance costs (see Science World testimonial) Reduce the garbage caused by replacement bulbs etc. Reduce the building’s carbon foot print Installation of Legend Power’s patented Harmonizer-AVR requires a four day rough-in, and a half, to four hour building shut-down during non-use hours. The whole process is invisible and seamless. With available incentive funding, the payback period is 2.8 – 3.0 years. However, this is a solution that has a maintenance-free life of 10 – 20 years. A lighting retrofit may appear to have a more attractive ROI, but the customer still need to factor in the cost of the install disruption, 10 – 20 years of ballast and bulb replacement and cleaning.
- Optimizing voltage and conditioning incoming power results in increased efficiency and reduced operating temperatures for lights and motors. The Following table summarizes surface temperatures for lights and motors. The selection included AC induction prime movers, lighting, VDU’s, and chiller drives. The green figures show the effects of the Harmonizer, reducing the operating temperature. These transfer to effective energy savings. It is recognized that 10 degree C reduction in operating temperature will double the life expectancy of electronics.
- Again, the Harmonizer-AVR is a simple and verifiable system that reduces voltage to the optimal minimum level and keeps it there. Savings results are projected once and verified twice after the installation with all reports coming to the customer for review. We start with a non-intrusive audit that may take one half to two days. The $2,000 - $3,000 cost of this audit is currently waived. The audit consists of: In advance of the audit we will need the following items for each facility: 2 years of billing data. This is usual sent over by the accounting group or by request from the client’s utility. The purpose is to allow our engineers to analyze the facility usage trends and peak power. Single line drawings for the facility. This is often with their electrical contractor, or their maintenance manager. If these are not in digital or PDF format already, they can be scanned or just simple photographed with a digital camera. Worst case, as long as they have them available upon our arrival we can work with that. These drawings let our electrician know where we can safely hook up the power analyzer and where the Harmonizer-AVR will be installed. Any documentation or insurance requirements that they may have The audit process is a non-intrusive, 4-8 hour process that consists of: Hooking up the Hioki power analyzer. This will gather seven days of data. We will return in a week to remove it and upload the data to our lab. Introducing the Voltage Optimization Analyzer to the main lighting circuits. The VOA is basically a mini harmonizer. With this test we can determine the exact savings that the full install will have on lighting Non-lighting load inventory. Our auditor will walk the facility and take an inventory of the other loads on the system. This data is measured and compiled based on a scientific procedure developed and documented by Dr. William Dunford of the University of British Columbia. A copy of the procedure is available to the customer at any time. Within three weeks of the audit, a detailed report is delivered to the customer including the projected savings, available incentive funding, the projected payback and ongoing savings for the life of the system.
- Once the installation is completed, we will conduct the Measurement and Verification procedure in conjunction with the incentive funding body’s and/or utility’s auditors. Completed within 30 days of the install Harmonizer-AVR is set to go from 6% reduction to bypass once every 15 minutes for one week generating 672 sample points The Hioki power analyzer collects the data and is retrieved in seven days It is assumed that one full year represents a complete sample (35,040 sample points) A final report will be delivered to the client within three weeks documenting the actual savings results with an accuracy of + 4%, 95% of the time.
- Legend Power’s Harmonizer-AVR can: Reduce the annual energy bill by 5% -7% Reduce the peak power, saving penalties and charges Be fully installed with no disruption to facility operations and absolutely no change to the way a company or it’s employees does business. Increase lighting and equipment life and reduce maintenance costs (see Science World testimonial) Reduce the garbage caused by replacement bulbs etc. Reduce the building’s carbon foot print Installation of Legend Power’s patented Harmonizer-AVR requires a four day rough-in, and a half, to four hour building shut-down during non-use hours. The whole process is invisible and seamless. With available incentive funding, the payback period is 2.8 – 3.0 years. However, this is a solution that has a maintenance-free life of 10 – 20 years. A lighting retrofit may appear to have a more attractive ROI, but the customer still need to factor in the cost of the install disruption, 10 – 20 years of ballast and bulb replacement and cleaning.