Branch meter with configurable sensor strip arrangement

• US 8,212,548 B2
• Filed: 06/02/2009
• Issued: 07/03/2012
• Est. Priority Date: 06/02/2008
• Status: Active Grant

• Current Assignee: Veris Industries LLC (Schneider Electric SE)
• Original Assignee: Veris Industries LLC (Schneider Electric SE)
• Inventors: Parker, Aaron, Dolim, Gregory P.
• Primary Examiner(s): NGUYEN, VINH P
• Application Number:
  US12/455,512
• Publication Number:
  US 20090295370A1
• Time in Patent Office: 1,127 Days
• Field of Search: None
• US Class Current: 324/140.R
• CPC Class Codes: G01R 21/00 Arrangements for measuring electric power or power factor G01R7/12 takes precedence
• CPC Class Codes: G01R 22/065 related to mechanical aspects

Abstract

A power monitoring system configurable to monitor electrical energy sensed by multiple sensors of one or more sensor arrays which may be organized in one of several array arrangements.

Claims

1. A system for monitoring electrical energy in a plurality of conductors, said system comprising:

(a) an elongate sensor array comprising plural sensors spaced apart and joined to each other, each sensor arranged to sense electrical energy in a respective conductor;

(b) an identification mechanism operable to distinguish a sensor array configuration comprising an orientation of said sensor array; and

(c) a monitor arranged to quantify an output of the respective ones of said plural sensors, said monitor associating a quantified sensor output with a first sensor of said array if a first array orientation is distinguished by said identification mechanism and associating said quantified output with a second sensor of said sensor array if a second array orientation is distinguished.

2. The system for monitoring electrical energy of claim 1 wherein said identification mechanism comprises a switch operable to distinguish said first array orientation if a reference feature of said sensor array is located distal of a mid-point of a longitudinal axis of said elongate sensor array in a first direction and to distinguish said second array orientation if said reference feature is located distal of said mid-point in a second direction.

3. The system for monitoring electrical energy of claim 1 further comprising a second elongate sensor array comprising a second plurality of sensors, said monitor arranged to associate a second quantified sensor output with a first sensor of said second sensor array if said first array orientation is distinguished by said identification mechanism for said second sensor array and to associate said second quantified output with a second sensor of said second sensor array if said second array orientation is distinguished for said second sensor array by said identification mechanism.

4. The system for monitoring electrical energy of claim 3 wherein said identification mechanism comprises a switch operable to enable said monitor to associate said first quantified output with said first sensor of said first sensor array if said first sensor array is secured with a reference feature of said first sensor array located above a mid-point of a longitudinal axis of said elongate first sensor array and to associate said first quantified output with said second sensor of said first sensor array if said reference feature is located below said mid-point of said longitudinal axis of said first sensor array and to associate said second quantified output with said first sensor of said second sensor array if said second sensor array is secured with a reference feature of said second sensor array located above a midpoint of a longitudinal axis of said second sensor array and to associate said second quantified output with said second sensor of said second sensor array if said reference feature is located below said midpoint of said longitudinal axis of said second sensor array.

5. A system for monitoring electrical energy in a plurality of conductors, said system comprising:

(a) a first elongate sensor array comprising plural sensors spaced apart and joined to each other, each sensor arranged to sense electrical energy in a respective conductor;

(b) a second elongate sensor array comprising plural sensors spaced apart and joined to each other, each sensor arranged to sense electrical energy in a respective conductor;

(c) an identification mechanism operable to distinguish an association sequence of said sensors of said first sensor array and said sensors of said second sensor array; and

(d) a monitor arranged to quantify an output of the respective ones of said plural sensors, said monitor associating a first quantified sensor output with a sensor of said first array and, if a first association sequence is distinguished, associating a second quantified output with a second sensor of said first sensor array and, if a second association sequence is distinguished, associating said second quantified output with a sensor of said second sensor array.

6. The system for monitoring electrical energy of claim 5 wherein said monitor is further arranged to associate a third measurement with a third sensor of said first sensor array if said first association sequence is distinguished by said identification mechanism and to quantify said third measurement with a second sensor of second of first sensor array if said second association sequence is distinguished.

7. The system for monitoring electrical energy of claim 5 wherein said identification mechanism comprises a switch.

8. A system for monitoring electrical energy in a plurality of conductors, said system comprising:

(a) a first elongate sensor array comprising plural sensors spaced apart and joined to each other, said sensors arranged to sense electrical energy in respective conductors;

(b) a second elongate sensor array comprising plural sensors spaced apart and joined to each other, said sensors arranged to sense electrical energy in respective conductors;

(c) an identification mechanism operable to distinguish;

(i) an array orientation of said first sensor array

(ii) an array orientation of said second sensor array; and

(iii) an association sequence for said sensors of said first sensor array and sensors of said second sensor array; and

(d) a monitor arranged to quantify an output of the respective ones of said plural sensors, said monitor associating a first quantified sensor output with a first sensor of said first sensor array if a first array orientation is distinguished for said first sensor array and associating said first quantified output with a second sensor of said first sensor array if a second array orientation is distinguished for said first sensor array and associating a second quantified output with a third sensor of said first sensor array if a first association sequence is distinguished and, if a second association sequence is specified for said sensors of said first sensor array and said second sensor array, associating said second quantified sensor output with a first sensor of said second array if a first array orientation is distinguished for said second sensor array and associating said second quantified sensor output with a second sensor of said second sensor array if a second array orientation is distinguished for said second sensor array.

9. The system for monitoring electrical energy of claim 8 wherein said identification mechanism is operable to distinguish:

(a) for said first sensor array, one of said first array orientation if a reference feature of said first sensor array is located distal of a mid-point of a longitudinal axis of said elongate first sensor array in a first direction and said second array orientation if said reference feature of said first sensor array is located distal of said mid-point of said longitudinal axis of said first sensor array in a second direction;

(b) for said second sensor array, one of said first array orientation if a reference feature of said second sensor array is located distal of a mid-point of a longitudinal axis of said elongate second sensor array in a first direction and said second array orientation if said reference feature of said second sensor array is located distal of said mid-point of said longitudinal axis in a second direction; and

(c) for said sensors of said first sensor array and said second sensor array, a first association sequence if a sensor output is to be associated with each of said sensors of said first sensor array before a sensor output is associated with one of said sensors of said second sensor array and a second association sequence if association of said first sensor output with a sensor of said first sensor array is to be followed by association of a next sensor output with a sensor of said second sensor array.

10. The system for monitoring electrical energy of claim 9 wherein the identification mechanism comprises a switch.

11. The system for monitoring electrical energy of claim 8 wherein said monitor is further arranged to associate a third measurement with a third sensor of said first sensor array if said first association sequence is distinguished with said identification mechanism and to associate said third measurement with a third sensor of said second sensor array if said second association sequence is distinguished.

12. A method of monitoring electricity in a plurality of conductors, said method comprising the steps of:

(a) arranging a first elongate sensor array comprising plural sensors joined to each other so that the ones of said plural sensors can each sense energy in a respective conductor;

(b) with an identification mechanism, distinguishing for a power monitor connectable to said first sensor array an array orientation of said first sensor array;

(c) quantifying a first sensor output with said power monitor; and

(d) associating with said power monitor said first quantified sensor output with a first sensor of said first sensor array if a first array orientation is distinguished and associating said first quantified sensor output with a second sensor of said first sensor array if a second array orientation is distinguished.

13. The method of monitoring electricity in a plurality of conductors of claim 12 wherein the step of distinguishing an orientation of said first sensor array comprises the steps of:

(a) selecting a first array orientation for said first sensor array if said first sensor array is arranged with a reference feature of said first sensor array located distal of a midpoint of a longitudinal axis of said first sensor array in a first direction; and

(b) selecting a second array orientation for said first sensor array if said first sensor array is arranged with said reference feature of said first sensor array located distal of said midpoint of said longitudinal axis in a second direction.

14. The method of monitoring electricity in a plurality of conductors of claim 12 further comprising the steps of:

(a) arranging a second elongate sensor array comprising plural sensors joined to each other so that the ones of said plural sensors can each sense energy in a respective conductor;

(b) with said identification mechanism, distinguishing for said power monitor a spatial relationship of said second sensor array to said first sensor array; and

(c) distinguishing with said identification mechanism one of;

(i) a first sensor output sequence causing said power monitor to associate a second quantified sensor output with a first sensor of said second sensor array and a third quantified sensor output with a third sensor of said first sensor array; and

(ii) a second sensor output sequence causing said power monitor to associate said second quantified sensor output with said third sensor of said first sensor array and when a quantified sensor output has been associated with each sensor of said first sensor array, associate another quantified sensor output with a sensor of said second sensor array.

15. The method of monitoring electricity in a plurality of conductors of claim 14 wherein the step of distinguishing a spatial relationship of said first sensor array and said second sensor array comprises the steps of:

(a) selecting a first spatial relationship if said first sensor array and said second sensor array are spatially arranged so that said reference feature of said first sensor array and a corresponding reference feature of said second sensor array are situated in the same direction relative to said midpoint of said longitudinal axis of said first sensor array; and

(b) selecting a second spatial relationship if said first sensor array and said second sensor array are spatially arranged so that said reference feature of said first sensor array and said corresponding reference feature of said second sensor array are situated in opposite directions relative to said midpoint of said longitudinal axis of said first sensor array.

16. The method of monitoring electricity in a plurality of conductors of claim 12 wherein the step of distinguishing an array orientation of said first sensor array comprises the steps of:

(a) selecting a first array orientation for said first sensor array if said first sensor array is arranged with a reference feature of said first sensor array located above a midpoint of a longitudinal axis of said first sensor array; and

(b) selecting a second array orientation for said first sensor array if said first sensor array is arranged with said reference feature of said first sensor array located below said midpoint of said longitudinal axis of said first sensor array.