US 12,332,292 B2 · System for locating power faults based on a direction of current flow

Abstract

Systems and methods, and computing platforms for determining a fault in a power system, executing on a controller are disclosed. Exemplary implementations can receive, from the plurality of system control modules, a plurality of power flow directions as measured by the plurality of line current sensors, receive, from the plurality of system control modules, a plurality of voltage measurements based on measurements of a plurality of potential transformers, determine a location of a power fault using the plurality of power flow directions, and determine a phase of the power fault using the plurality of voltage measurements.

Claims20

Dependent claims

A power system for identifying power faults, the power system comprising:

a plurality of line current sensors each disposed between a load bus and one or more power sources;
a plurality of system control modules, each operatively coupled to one or more of the plurality of line current sensors;
and
one or more controllers configured to:
receive, from the plurality of system control modules, a plurality of power flow directions as measured by the plurality of line current sensors;
receive, from the plurality of system control modules, a plurality of voltage measurements based on measurements of a plurality of potential transformers;
determine a location of a power fault using the plurality of power flow directions;
and
determine a phase of the power fault using the plurality of voltage measurements.

6 more elements

A method of determining a fault in a power system, executing on a controller, the method comprising:

receiving a first value of current flow from a first line current sensor, the first line current sensor electrically coupled between a first generator bus and a load bus;
receiving a second value of current flow from a second line current sensor, the second line current sensor electrically coupled between a second generator bus and the load bus;
receiving a first value of voltage from a first potential transformer;
receiving a second value of voltage from a second potential transformer;
determining a first direction of power flow in the first line current sensor using the first value of current flow;
determining a second direction of power flow in the second line current sensor using the second value of current flow;
determining, based on the first direction of power flow and the second direction of power flow, a power fault is located on one of:
the first generator bus or the second generator bus;
or
the load bus;
and
determining, based on the first value of voltage and the second value of voltage, a phase of the power fault is located on one of:
the first generator bus or the second generator bus;
or
the load bus.

12 more elements

A control system for a power system for identifying phases of power faults comprising one or more controllers comprising a processing circuit configured to:

receive, from system control modules, respective power flow directions as measured by a first line current sensor and a second line current sensor;
receive, from the system control modules, respective voltage measurements as measured by a first potential transformer and a second potential transformer;
and
determine a potential phase of a power fault based on the respective voltage measurements.

1 more element

Dependencies are inferred from the claim text.

System for locating power faults based on a direction of current flow

Life of this patent

System for locating power faults based on a direction of current flow

Life of this patent

Abstract

Claims20