SENSING DEVICE FOR AN ELECTRICAL SYSTEM
First Claim
1. A sensing device comprising:
- a housing comprising an electrical interface and a surface, the surface defining a first connection interface and a second connection interface, the first connection interface configured to connect the housing to a bushing, the second connection interface configured to connect the housing to a separate electrical device, the electrical interface being configured to electrically connect to an electrical conductor of the electrical device;
a capacitive voltage sensor comprising a plurality of capacitors, at least one of the plurality of capacitors being in a first portion of the housing, the at least one capacitor in the first portion of the housing and at least one other capacitor of the plurality of capacitors arranged relative to each other to form a capacitive divider; and
a current sensor in a second portion of the housing, the first portion of the housing and the second portion of the housing being in physical contact with each other.
3 Assignments
0 Petitions
Accused Products
Abstract
A sensing device incudes: a housing including an electrical interface and a surface, the surface defining a first connection interface and a second connection interface, the first connection interface configured to connect the housing to a bushing, the second connection interface configured to connect the housing to a separate electrical device, the electrical interface being configured to electrically connect to an electrical conductor of the electrical device; a capacitive voltage sensor including a plurality of capacitors, at least one of the plurality of capacitors being in a first portion of the housing, the at least one capacitor in the first portion of the housing and at least one other capacitor of the plurality of capacitors arranged relative to each other to form a capacitive divider; and a current sensor in a second portion of the housing.
22 Citations
19 Claims
-
1. A sensing device comprising:
-
a housing comprising an electrical interface and a surface, the surface defining a first connection interface and a second connection interface, the first connection interface configured to connect the housing to a bushing, the second connection interface configured to connect the housing to a separate electrical device, the electrical interface being configured to electrically connect to an electrical conductor of the electrical device; a capacitive voltage sensor comprising a plurality of capacitors, at least one of the plurality of capacitors being in a first portion of the housing, the at least one capacitor in the first portion of the housing and at least one other capacitor of the plurality of capacitors arranged relative to each other to form a capacitive divider; and a current sensor in a second portion of the housing, the first portion of the housing and the second portion of the housing being in physical contact with each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A system comprising:
-
a bushing; an electrical connector comprising an electrical conductor, the electrical conductor configured for electrical connection to the bushing; and a sensing device comprising; a housing configured to be connected between the bushing and the electrical connector; an electrical interface configured to electrically connect to the electrical conductor; a capacitive voltage sensor comprising a plurality of capacitors arranged relative to each other to form a capacitive divider configured to measure a voltage, at least one of the plurality of capacitors being in a first portion of the housing; and a current sensor in a second portion of the housing, wherein, when the sensing device is connected between the bushing and the electrical connector, the capacitive voltage sensor measures a voltage of the electrical conductor and the current sensor measures a current that flows in the electrical conductor. - View Dependent Claims (16, 17, 18)
-
-
19. A method of monitoring an electrical system, the method comprising:
-
connecting a housing of a sensing device to a bushing and an electrical connector, the housing of the sensing device being between the bushing and the electrical connector, and an electrical conductor of the electrical connector being electrically coupled to the bushing; receiving an indication of an amount of current flowing in the electrical conductor from a current sensor in the housing; and receiving an indication of an amount of voltage at the electrical conductor from a capacitive voltage sensor in the housing.
-
Specification