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1. 发明申请

US20230039915A1 SYSTEM AND METHOD FOR DEGRADATION-BASED SERVICE PREDICTION WITH THE AID OF A DIGITAL COMPUTER 有权
公开(公告)号：US20230039915A1
公开(公告)日：2023-02-09
申请号：US17958173
申请日：2022-09-30
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G06F17/18
摘要： Long-term photovoltaic system degradation can be predicted through a simple, low-cost solution. The approach requires the configuration specification for a photovoltaic system, as well as measured photovoltaic production data and solar irradiance, such as measured by a reliable third party source using satellite imagery. Note the configuration specification can be derived. This information is used to simulate photovoltaic power production by the photovoltaic system, which is then evaluated against the measured photovoltaic production data. The simulated production is adjusted to infer degradation that can be projected over time to forecast long-term photovoltaic system degradation.

2. 发明申请

US20220414294A1 SYSTEM AND METHOD FOR A POST-MODIFICATION BUILDING BALANCE POINT TEMPERATURE DETERMINATION WITH THE AID OF A DIGITAL COMPUTER 有权
公开(公告)号：US20220414294A1
公开(公告)日：2022-12-29
申请号：US17893013
申请日：2022-08-22
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G06F30/20
摘要： A system and method for determining a balance point of a building that has undergone or is about to undergo modifications (such as shell improvements) are provided. A balance point of the building before the modifications can be determined using empirical data. Total thermal conductivity of the building before and after the modifications is determined and compared. Indoor temperature of the building is obtained. The balance point temperature after the modifications can be determined using a result of the comparison, the temperature inside the building, and the pre-modification balance point temperature. Knowing post-modification balance point temperature allows power grid operators to take into account fuel consumption by that building when planning for power production and distribution. Knowing the post-improvement balance point temperature also provides owners of the building information on which they can base the decision whether to implement the improvements.

3. 发明授权

US11531936B2 System and method for empirical electrical-space-heating-based estimation of overall thermal performance of a building 有权
公开(公告)号：US11531936B2
公开(公告)日：2022-12-20
申请号：US16828760
申请日：2020-03-24
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G01K3/08 , G01R21/02 , G01K17/20 , G06Q10/06 , G06Q50/06 , G01K13/00
摘要： The overall thermal performance of a building UATotal can be empirically estimated through a short-duration controlled test. Preferably, the controlled test is performed at night during the winter. A heating source is turned off after the indoor temperature has stabilized. After an extended period, such as 12 hours, the heating source is briefly turned back on, such as for an hour, then turned off. The indoor temperature is allowed to stabilize. The energy consumed within the building during the test period is assumed to equal internal heat gains. Overall thermal performance is estimated by balancing the heat gained with the heat lost during the test period.

4. 发明授权

US11416658B2 System and method for estimating always-on energy load of a building with the aid of a digital computer 有权
公开(公告)号：US11416658B2
公开(公告)日：2022-08-16
申请号：US16995353
申请日：2020-08-17
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G06Q10/06 , G06Q50/06 , G06F30/20 , G06F17/10
摘要： Improved energy conservation, including realization of a ZNET (Zero Net Energy including Transportation) paradigm, can be encouraged by providing energy consumers with a holistic view of their overall energy consumption. Current energy consumption in terms of space heating, water heating, other electricity, and personal transportation can be modeled by normalizing the respective energy consumption into the same units of energy. In addition, the passive always-on electricity consumption caused by inactive devices that contributes to the baseload of a building can be identified and addressed by the consumer, as appropriate by expressing baseload as a compound value that combines constant always-on loads and regularly-cycling loads. The baseload is estimated as the peak occurrence in a frequency distribution of net load data, after which the always-on load can be determined by subtracting out any regularly-cycling loads.

5. 发明授权

US11359978B2 System and method for interactively evaluating energy-related investments affecting building envelope with the aid of a digital computer 有权
公开(公告)号：US11359978B2
公开(公告)日：2022-06-14
申请号：US16925967
申请日：2020-07-10
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G06Q10/06 , G06Q50/06 , G01K13/00 , G01K3/08 , G01R21/02 , G01K17/20
摘要： A system and method for interactively evaluating energy-related investments affecting building envelope with the aid of a digital computer are provided. Obtained is a total amount of fuel purchased for a building over a set period from which an existing amount of the fuel consumed for space heating is derived. Characteristics including thermal performance and furnace and delivery efficiencies of the building for both existing and proposed equipment are obtained, including remotely controlling a heating source inside the building. The thermal performance and furnace and delivery efficiencies characteristics of the existing and proposed equipment are expressed as interrelated ratios. An amount of fuel to be consumed for space heating is evaluated as a function of the existing amount of the fuel consumed for space heating and the ratios of the existing and proposed equipment.

6. 发明申请

US20210048210A1 SYSTEM FOR FORECASTING FUEL CONSUMPTION FOR INDOOR THERMAL CONDITIONING WITH THE AID OF A DIGITAL COMPUTER 有权
公开(公告)号：US20210048210A1
公开(公告)日：2021-02-18
申请号：US17086791
申请日：2020-11-02
申请人： CLEAN POWER RESEARCH, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： F24F11/30 , G05B13/02
摘要： A Thermal Performance Forecast approach is described that can be used to forecast heating and cooling fuel consumption based on changes to user preferences and building-specific parameters that include indoor temperature, building insulation, HVAC system efficiency, and internal gains. A simplified version of the Thermal Performance Forecast approach, called the Approximated Thermal Performance Forecast, provides a single equation that accepts two fundamental input parameters and four ratios that express the relationship between the existing and post-change variables for the building properties to estimate future fuel consumption. The Approximated Thermal Performance Forecast approach marginally sacrifices accuracy for a simplified forecast. In addition, the thermal conductivity, effective window area, and thermal mass of a building can be determined using different combinations of utility consumption, outdoor temperature data, indoor temperature data, internal heating gains data, and HVAC system efficiency as inputs.

7. 发明授权

US10359206B1 System and method for forecasting seasonal fuel consumption for indoor thermal conditioning with the aid of a digital computer 有权
公开(公告)号：US10359206B1
公开(公告)日：2019-07-23
申请号：US15343079
申请日：2016-11-03
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G05B13/00 , F24F11/30 , G05B13/02 , F24F110/00 , F24F130/10 , F24F140/60 , F24F130/00
摘要： A Thermal Performance Forecast approach is described that can be used to forecast heating and cooling fuel consumption based on changes to user preferences and building-specific parameters that include indoor temperature, building insulation, HVAC system efficiency, and internal gains. A simplified version of the Thermal Performance Forecast approach, called the Approximated Thermal Performance Forecast, provides a single equation that accepts two fundamental input parameters and four ratios that express the relationship between the existing and post-change variables for the building properties to estimate future fuel consumption. The Approximated Thermal Performance Forecast approach marginally sacrifices accuracy for a simplified forecast. In addition, the thermal conductivity, effective window area, and thermal mass of a building can be determined using different combinations of utility consumption, outdoor temperature data, indoor temperature data, internal heating gains data, and HVAC system efficiency as inputs.

8. 发明授权

US10156554B1 System and method for determining infiltration of a building through empirical testing using a CO2 concentration monitoring device 有权
公开(公告)号：US10156554B1
公开(公告)日：2018-12-18
申请号：US15138049
申请日：2016-04-25
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G06F17/50 , G01N33/00 , G06F17/18 , G01N25/18
摘要： A building loses or gains heat through its envelope based on the differential between the indoor and outdoor temperatures. The losses or gains are due to conduction and infiltration. Conventionally, these effects are typically estimated by performing an on-site energy audit. However, total thermal conductivity, conduction, and infiltration can be determined empirically. The number of air changes per hour are empirically measured using a CO2 concentration monitoring device, which enables the infiltration component of total thermal conductivity to be measured directly. The conduction component of thermal conductivity can then be determined by subtracting the infiltration component from the building's total thermal conductivity.

9. 发明授权

US09880230B1 System and method for inferring operational specifications of a photovoltaic power generation system using net load with the aid of a digital computer 有权
公开(公告)号：US09880230B1
公开(公告)日：2018-01-30
申请号：US14224018
申请日：2014-03-24
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G01V1/00 , G01R31/40 , H02S50/00
CPC分类号： H02S50/10 , G01R31/405 , G01W1/12 , G06F17/50 , G06F17/5009 , G06F2217/78 , G06Q10/02 , G06Q10/04 , G06Q50/06 , H02J3/383 , H02J2003/007 , H02S50/00 , Y02E10/563 , Y02E60/76 , Y04S10/54 , Y04S40/22
摘要： A computer-implemented system and method for inferring operational specifications of a photovoltaic power generation system using net load is provided. Photovoltaic plant configuration specifications can be accurately inferred with net load data and measured solar resource data. A time series of net load data is evaluated to identify, if possible, a time period with preferably minimum and consistent power consumption. Power generation data is simulated for a range of hypothetical photovoltaic system configurations based on a normalized solar power simulation model. Net load data is estimated based on a base load and, if applicable, any binary loads and any variable loads. The set of key parameters corresponding to the net load estimate that minimizes total squared error represents the inferred specifications of the photovoltaic plant configuration.

10. 发明授权

US09285505B2 Method for managing photovoltaic fleet output with the aid of a digital computer 有权
标题翻译：借助数字计算机管理光伏车队输出的方法
公开(公告)号：US09285505B2
公开(公告)日：2016-03-15
申请号：US14058121
申请日：2013-10-18
申请人： Clean Power Research, L.L.C.
发明人： Thomas E. Hoff
IPC分类号： G01W1/02 , G01V3/38 , G01B5/14 , G01B5/16 , G01W1/12 , G06Q10/04 , G06Q50/04 , H02J3/38 , G06F17/18 , H02J3/00
CPC分类号： G01W1/10 , G01W1/12 , G06F17/18 , G06N7/005 , G06Q10/04 , G06Q50/04 , H02J3/383 , H02J2003/007 , Y02A90/15 , Y02B10/14 , Y02E10/563 , Y02E60/76 , Y02P90/30 , Y04S10/54 , Y04S40/22
摘要： Statistically representing point-to-point photovoltaic power estimation and area-to-point conversion of satellite pixel irradiance data are described. Accuracy on correlated overhead sky clearness is bounded by evaluating a mean and standard deviation between recorded irradiance measures and the forecast irradiance measures. Sky clearness over the two locations is related with a correlation coefficient by solving an empirically-derived exponential function of the temporal distance. Each forecast clearness index is weighted by the correlation coefficient to form an output set of forecast clearness indexes and the mean and standard deviation are proportioned. Additionally, accuracy on correlated satellite imagery is bounded by converting collective irradiance into point clearness indexes. A mean and standard deviation for the point clearness indexes is evaluated. The mean is set as an area clearness index for the bounded area. For each point, a variance of the point clearness index is determined and the mean and standard deviation are proportioned.
摘要翻译：描述统计上代表卫星像素辐照度数据的点对点光伏功率估计和区域到点转换。通过评估记录的辐照度测量值与预测辐照度测量值之间的平均值和标准偏差来界定相关架空天空清晰度的准确性。通过求解经验导出的时间距离的指数函数，两个位置之间的天空清晰度与相关系数相关。每个预测清晰度指数由相关系数加权，形成预测清晰度指标的输出集，平均值和标准差成比例。此外，相关卫星图像的准确性将集体辐照度转化为点清晰度指标。评估点清晰度指标的平均值和标准偏差。平均值被设定为有界区域的面积清晰度指数。对于每个点，确定点清晰度指数的方差，并且平均值和标准偏差成比例。

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