Advanced Measurement and Verification of Energy Curtailment

Inactive Publication Date: 2014-10-23
KAYTON BRADLEY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]One embodiment of the present invention provides a holistic method for measuring energy usage, ranked by order of precision (“the ladder”), which in turn can be used for rank ordered applications depending on the need of the potential precision. The Appliances Codes enable a relatively accurate measurement estimate by knowing in advance, and mapped to each facility/billing entity, the wattage when in operation of the particular energ

Problems solved by technology

However, there is a problem in that outside of large commercial or industrial customers, the equipment to do this measurement is cost prohibitive or otherwise not practical.
In smaller commercial and residential environments, the M&V mechanisms are either non-existent or very crude, leading to a notable lack of precision, which in turn means DR, and more broadly Demand Side Management (DSM), can't be used for monetizable or precision requirements.
In addition, no logical way exists to rank methods of doing M&V, enabling varying levels of accuracy, potentially as part of the same system in a local area, providing varying levels of capabilities of the curtailment.
However, these smart meters cannot disaggregate the energy used by energy utilizing devices, measuring only the total energy in that

Method used

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  • Advanced Measurement and Verification of Energy Curtailment
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  • Advanced Measurement and Verification of Energy Curtailment

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Embodiment Construction

[0021]Before the invention is described in further detail, it is to be understood that the invention is not limited to the particular embodiments described, as such may, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and not intended to be limiting, since the scope of the present invention will be limited only by the appended claims.

[0022]Where a range of values is provided, it is understood that each intervening value, to the tenth of the unit of the lower limit unless the context clearly dictates otherwise, between the upper and lower limit of that range and any other stated or intervening value in that stated range is encompassed with the invention. The upper and lower limits of these smaller ranges may independently be included in the smaller ranges is also encompassed within the invention, subject to any specifically excluded limit in the stated range. Where the stated range includes one o

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Abstract

A logic ladder is utilized for conducting Advanced Measurement and Verification (M&V) of energy utilizing devices under curtailment control as part of organized energy management and/or demand response programs. The logic ladder starts with the most accurate method of conducting M&V and steps down from there: first step is measuring energy current directly at the device itself; the second step is use of an Appliance Codes datastore, which are listed capabilities of devices under load control to be used as a proxy if direct measurement of energy consumed at the device is not available; the third step is to poll the smart meter, if it is installed, and taking the energy differential before and immediately after curtailment; and the fourth step is to resort to analytics and historical model estimates of energy curtailment. Appliance Codes consist of a set of parameters that describe the energy utilizing device or appliance under load control, most notably the wattage used when in operation. By approximating the wattage when the device is in operation, one can accurately estimate the wattage under curtailment by simply knowing when the energy utilizing device was turned off and when it was allowed to come back on again after the energy curtailment event.

Description

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Claims

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Application Information

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Owner KAYTON BRADLEY
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