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Systems, methods, and apparatus for detecting branch circuit load imbalances

A technology for unbalanced load and power distribution systems, applied in the direction of reducing asymmetry in polyphase networks, eliminating/reducing asymmetry in polyphase networks, etc.

Active Publication Date: 2016-04-20
SCHNEIDER ELECTRIC USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is impossible for an imbalance in the circuit to be visible to upstream meters

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  • Systems, methods, and apparatus for detecting branch circuit load imbalances
  • Systems, methods, and apparatus for detecting branch circuit load imbalances
  • Systems, methods, and apparatus for detecting branch circuit load imbalances

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Embodiment Construction

[0028] While the invention is susceptible to embodiments in many different forms, there are shown in the drawings and therein will be described in detail preferred embodiments of the invention, with the understanding that the disclosure is to be considered as exemplary of the principles of the invention and is not intended to It is intended to limit the invention in its broad aspects to the illustrated embodiments. To this extent, elements and limitations disclosed in, for example, the Abstract, Summary, and Detailed Description sections, but not expressly recited in the claims, should not be incorporated by implication, inference, or otherwise, individually or collectively. to claims. For the purposes of this detailed description, unless expressly denied otherwise: the singular includes the plural and vice versa; the words "and" and "or" shall be both conjunctions and transitions; the word "all" means "any and all" ; the word "any" means "any and all"; and the word "comprise...

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Abstract

Systems, methods, and devices for detecting polyphase branch circuit load imbalances are presented herein. A method for detecting load imbalance in a polyphase power distribution system is disclosed, the method comprising: determining an association between each space (14) of a panel (12) and a corresponding circuit (16); receiving an indicated load Unbalanced electrical parameter data; receiving system parameter data indicative of load activity; determining an average value of the electrical parameter data; determining an aggregate value of the system parameter data; determining a model relating the system parameter to the electrical parameter; determining whether the average value of the electrical parameter is unbalanced; if so, determine the modeled electrical parameter value using the model and the total value of the system parameter; determine whether the average value of the electrical parameter corresponds to the modeled electrical parameter value; and if not, output the load An indication that an imbalance exists.

Description

technical field [0001] The present disclosure relates generally to multiphase power distribution systems, and more particularly to multiphase branch circuit load imbalance detection systems. Background technique [0002] Conventional utility networks supply utility equipment for commercial, residential, and industrial use. For example, in a typical electrical distribution system, electrical energy is generated by suppliers or utilities and distributed to consumers through the electrical distribution system network. An electricity distribution network is often a network of distribution lines (more commonly referred to as "electrical transmission lines") that connect suppliers of electricity to their consumers. Additional equipment such as busbars, switches (eg circuit breakers or disconnectors), power transformers and instrument transformers, usually arranged in switchyards and / or racks, automatically control, protect, measure and monitor the substation. [0003] Typically,...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/26
CPCH02J3/26Y02E40/50
Inventor 马修·斯坦莱克
Owner SCHNEIDER ELECTRIC USA INC
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