A power signal non-intrusive load decomposition method

A non-intrusive, power signal technology, applied in the direction of measuring electricity, electrical devices, electric vehicles, etc., can solve the problems of difficult household electrical appliances load decomposition, high time consumption, low possibility, etc., to save power consumption, high efficiency The effect of accurate decomposition and improved efficiency

Inactive Publication Date: 2019-06-18
PEKING UNIV
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Problems solved by technology

[0002] Aiming at the load decomposition problem of household electrical appliances, the prior art includes literature [1] (C.M.Ho, W.K.Lee, and Y.S.Hung, "Signature Representation of Underground Cables and its Applications to Cable Fault Diagnosis".In:Proc.of IEEE Int.Conf.on Advances in PowerSystem Control, Operation and Management.Dec.1993, pp.861-865.) EchoResonance (ERLM) technology, literature [2] (G.P.Hanke, and D.Very, "Electric LoadMonitoring and Control in the Domestic Environment ".In:Proc.of IEEE Conf.onInstrumentation and Measurement Technology,vol.2,May 1994,pp.560-562) record load registration (SULR) method, wherein, ERLM technology is based on signal analysis and The signal response is used to decompose the household power load. The SULR method is based on the network residual and the online load registration method is used to decompose the household power load. The time consumption of these two methods is too large
Literature [3] (E.Tapia, S.Intille, and K.Larson, "Activity Recognition inhome setting using simple and ubiquitous sensors". In: Ferscha, A., Mattern, F. (eds) Pervasive 2004. LNCS, vol .3001, pp.158-175. Springer, Heidberg (2004)) and literature [4] (E.Tapia, S.Intille, L.Lopez, and K.Larson, "The design of a portable kit ofwireless sensors for naturalistic data collection”. In: Fishkin, K., Schiele B., Nixon, P., Quingley, A (eds). Pervasive. LNCS, vol.3968, pp.117-134. Springer, Heidelberg, 2006.) used It is a low-consumption intrusive device deployment method. The intrusive method has low scalability, and the possibility of using the same electrical appliances for two households is not high. It is difficult to efficiently and accurately decompose the load of household appliances.

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Embodiment Construction

[0054] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.

[0055] The invention provides a non-intrusive load decomposition method for electric power signals, which can efficiently and accurately decompose household electric loads. The following embodiments take the UK-Dale data set as an example to illustrate how the method of the present invention realizes non-intrusive load decomposition of household power signals.

[0056] The UK-Dale dataset is the data obtained by installing dozens of sensors in student apartments in the UK to record their electrical appliances. The data is divided into five rooms, and the active power of each consumer is recorded every six seconds. In addition, in three rooms, the data contains the voltage and current of the whole room at 44.1kHz, and the active power at 1Hz is calculated. power, apparent power and voltage. In Room ...

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Abstract

The invention discloses a power signal non-intrusive load decomposition method, and the method achieves the efficient and accurate decomposition of the load of an electric appliance. The method comprises the steps of selecting and preprocessing data; Performing time sequence array edge detection to obtain a step value of power utilization of the electric appliance; Extracting the time sequence characteristics of the electric appliance to obtain the electric appliance fingerprint of the electric appliance at the total outlet; And classifying the power utilization behaviors at the total power outlet. Through the power signal non-intrusive load analysis method provided by the invention, the efficiency of electric appliance load decomposition is improved, and the power consumption of a user issaved.

Description

technical field [0001] The invention provides a non-intrusive load decomposition method for electric power signals, which belongs to the technical field of Internet of Things data analysis. Background technique [0002] Aiming at the load decomposition problem of household electrical appliances, the prior art includes literature [1] (C.M.Ho, W.K.Lee, and Y.S.Hung, "Signature Representation of Underground Cables and its Applications to Cable Fault Diagnosis".In:Proc.of IEEE Int.Conf.on Advances in PowerSystem Control, Operation and Management.Dec.1993, pp.861-865.) EchoResonance (ERLM) technology, literature [2] (G.P.Hanke, and D.Very, "Electric LoadMonitoring and Control in the Domestic Environment ".In:Proc.of IEEE Conf.onInstrumentation and Measurement Technology,vol.2,May 1994,pp.560-562) record load registration (SULR) method, wherein, ERLM technology is based on signal analysis and The signal response is used to decompose the household power load. The SULR method is ba...

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Application Information

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IPC IPC(8): G06F17/50G01R21/00G01R31/00
Inventor王平林蔚澜马萌
OwnerPEKING UNIV