Intelligent circuit breaker with dynamic coordination system

Patent metadata

Field	Value
Publication number	US-11539204-B1
Application number	US-202117462368-A
Country	US
Kind code	B1
Filing date	Aug 31, 2021
Priority date	Aug 31, 2021
Publication date	Dec 27, 2022
Grant date	Dec 27, 2022

Abstract

A power distribution system includes a first intelligent circuit breaker; a plurality of second intelligent circuit breakers, the second intelligent circuit breaker is structured to transmit the circuit breaker information to the first intelligent circuit breaker; and an energy monitoring device coupled to the first and second intelligent circuit breakers and structured to receive the circuit breaker information, the energy monitoring device including a dynamic coordination system structured to: (i) determine whether an adjustment to configuration setting of an intelligent circuit breaker is required based at least in part on the circuit breaker information, (ii) identify the intelligent circuit breaker with the configuration setting required to be adjusted based on a determination that the adjustment is required, and (iii) transmit an alert to user, indicating that the adjustment to the configuration setting of the identified intelligent circuit breaker is required and device address of the identified intelligent circuit breaker.

First claim

What is claimed is:

1. A power distribution system using dynamic coordination comprising:
a first intelligent circuit breaker comprising a first electronic trip unit including a first communication module;
a plurality of second intelligent circuit breakers each comprising a second electronic trip unit including a second communication module, the first intelligent circuit breaker arranged in a first level and the second intelligent circuit breakers arranged in one or more remaining levels, each level comprising at least one upstream circuit breaker coupled to respective downstream circuit breakers, wherein the second intelligent circuit breakers are structured to transmit circuit breaker information to the first intelligent circuit breaker and the first intelligent circuit is structured to receive the circuit breaker information,
wherein the first electronic trip unit and the second electronic trip unit comprise an energy monitoring device structured to monitor and control the operation of the first intelligent circuit breaker and the second intelligent circuit breakers, the energy monitoring device comprising a dynamic coordination system structured to automatically:
(i) determine whether an adjustment to configuration setting of an intelligent circuit breaker is required based at least in part on the circuit breaker information;
(ii) identify the intelligent circuit breaker with the configuration setting required to be adjusted based on a determination that the adjustment is required; and
(iii) transmit an alert to user, the alert comprising an indication that the adjustment to the configuration setting of the identified intelligent circuit breaker is required and device address of the identified intelligent circuit breaker, and
wherein the first and second intelligent circuit breakers are communicatively couplable to a user device which also includes the energy monitoring device comprising the dynamic coordination system.

2. The power distribution system of claim 1 , wherein the dynamic coordination system is further structured to:
adjust remotely the configuration setting of the identified circuit breaker based at least in part on a user input, wherein the first and second intelligent circuit breakers are coupled to the user device.

3. The power distribution system of claim 1 , wherein the dynamic coordination system is further structured to:
adjust manually the configuration setting of the identified circuit breaker based at least in part on the alert.

4. The power distribution system of claim 1 , wherein the circuit breaker information comprises the real time data and function codes for reading the real time data, the real time data comprise at least real time current data and real time time data, the real time current data comprise at least nominal current rating (I N ) and continuous current rating (I R ), and the real time time data comprise at least pickup time and delays.

5. The power distribution system of claim 1 , wherein the identified intelligent circuit breaker is an upstream circuit breaker, and the determining whether an adjustment to configuration setting of an intelligent circuit breaker is required comprises:
comparing current rating of each upstream circuit breaker to a sum of current ratings of the respective downstream circuit breakers;
determining whether the current rating of each upstream circuit breaker is greater than the sum of the current ratings of the respective downstream circuit breakers; and
determining that an adjustment to trip unit setting of the upstream circuit breaker is required based on a determination that the current rating of the upstream circuit breaker is not greater than the sum of the current ratings of the respective downstream circuit breakers.

6. The power distribution system of claim 1 , wherein the determining whether an adjustment to configuration setting of an intelligent circuit breaker is required comprises:
comparing present trip unit setting associated with at least one of current rating or time setting of each intelligent circuit breaker to respective required trip unit setting associated with the at least one of current rating or time setting;
determining whether an adjustment to trip unit setting of any intelligent circuit breaker is required based on a comparison result that the present trip unit setting does not satisfy the respective required trip unit setting; and
determining that the adjustment to the trip unit setting of one or more intelligent circuit breakers is required based on a determination that the present trip unit setting of the one or more intelligent circuit breakers does not satisfy the respective required trip unit setting.

7. The power distribution system of claim 1 , wherein the configuration for dynamic coordination comprises specifying a different device address for each intelligent circuit breaker, determining a number of levels and a number of intelligent circuit breakers in each level, establishing the at least one upstream circuit breaker in each level, and selecting respective downstream circuit breakers for each upstream circuit breaker based on a user input.

8. The power distribution system of claim 1 , wherein the first and second intelligent circuit breakers communicate with one another automatically.

9. The power distribution system of claim 1 , wherein the first and second communication modules comprise Ethernet, and the first intelligent circuit breaker and the second intelligent circuit breakers communicate in a peer to peer relationship, and wherein the second intelligent circuit breakers transmit the circuit breaker information to the first intelligent circuit breaker without having to wait to receive a request for the circuit breaker information from the first intelligent circuit breaker.

10. The power distribution system of claim 1 , wherein the first intelligent circuit breaker is further structured to transmit a request to the second intelligent circuit breakers for circuit breaker information comprising real time data, the second intelligent circuit breakers are further structured to receive the request, and the second intelligent circuit breakers transmit the circuit breaker information to the first intelligent circuit breaker in response to the request received from the first intelligent circuit breaker.

11. The power distribution system of claim 10 , wherein the first and second communication modules comprise a communication module allowing the first and second intelligent circuit breakers to communicate over serial data lines, the first intelligent circuit breaker being a sole client and the second intelligent circuit breakers being servers in a client-server network, and the power distribution system comprises two levels, the second level being a single-downstream level including all the second intelligent circuit breakers.

12. The power distribution system of claim 10 , wherein the first and second communication modules comprise a communication module allowing the first and second intelligent circuit breakers to communicate over serial data lines, the first intelligent circuit breaker being a sole client and the second intelligent circuit breakers being servers in a client-server network, the power distribution system comprises more than two levels.

13. A method of dynamic coordination with a first intelligent circuit breaker in a first level and second intelligent circuit breakers downstream to the first intelligent circuit breaker in one or more remaining levels in a power distribution system, each level including at least one upstream circuit breaker, each upstream circuit breaker coupled to respective downstream circuit breakers, each in

Assignees

• Eaton Intelligent Power Ltd

Inventors

• Dixit Rishabh

Classifications

• H02H1/0092

  concerning the data processing means, e.g. expert systems, neural networks · CPC title

• H02H7/22 Primary

  for distribution gear, e.g. bus-bar systems; for switching devices {(detecting mechanical or electrical defects in gas-insulated switchgears H02B13/065)} · CPC title

• H02H1/0007

  concerning the detecting means (in general G01R or other subclasses of G01; reed switches H01H71/2445) · CPC title

• H02H7/261 Primary

  involving signal transmission between at least two stations (transmission of signals in general H02H1/0061) · CPC title