Voltage booster isolation transformer system and method of operating the same

Patent metadata

Field	Value
Publication number	US-11848148-B2
Application number	US-202117188071-A
Country	US
Kind code	B2
Filing date	Mar 1, 2021
Priority date	Sep 12, 2017
Publication date	Dec 19, 2023
Grant date	Dec 19, 2023

Abstract

A system and method for an isolation transformer boost system. The system includes an isolation transformer, a sensor, and an electronic processor coupled to the sensor. The electronic processor configured to receive an electrical characteristic measurement from the sensor, compare the electrical characteristic measurement to a predetermined threshold, and activate an electrical characteristic boost when the electrical characteristic measurement is below the predetermined threshold.

First claim

What is claimed is:

1. An isolation transformer boost system, the system comprising:
an isolation transformer having a primary winding, a secondary winding, and an electrostatic shield located between the primary winding and the secondary winding, wherein the electrostatic shield is grounded separately from an isolation transformer ground;
a sensor;
an electronic processor coupled to the sensor, the electronic processor configured to:
receive, from the sensor, an electrical characteristic measurement;
compare the electrical characteristic measurement to a predetermined threshold; and
activate an electrical characteristic boost when the electrical characteristic measurement is below the predetermined threshold;

wherein the system is configured to run in a static mode, wherein in the static mode the electronic processor is configured to activate the electrical characteristic boost when the system is initially powered by a shore power supply.

2. The system of claim 1 , wherein while the system is operating, the electronic processor is configured to activate the electrical characteristic boost when the electrical characteristic measurement is below the predetermined threshold for a predetermined time period.

3. The system of claim 1 , wherein the electronic processor is further configured to
compare the electrical characteristic measurement to a predetermined upper limit threshold, and
deactivate the electrical characteristic boost.

4. The system of claim 3 , wherein while the system is operating, the electronic processor is configured to deactivate the electrical characteristic boost when the electrical characteristic measurement is above the predetermined upper limit threshold for a predetermined time period.

5. The system of claim 1 , wherein the system is configured to run in one of a plurality of modes of operation, wherein the one of the plurality of modes of operation is selected from a group consisting of
an automatic mode;
a manual mode; and
a programming mode.

6. The system of claim 5 , wherein the automatic mode further includes a dynamic mode, wherein while the system is running in the dynamic mode, the electronic processor is configured to automatically affect the electrical characteristic boost while the system is operating; and
wherein while the system is running in the programming mode, the system is configured to receive one or more commands to adjust a setting of the operation of the system.

7. The system of claim 1 , wherein the electronic processor is further configured to deactivate the electrical characteristic boost when the electrical characteristic measurement exceeds an upper limit threshold.

8. The system of claim 1 , wherein the predetermined threshold is at least one selected from a group consisting of 190 V, 195 V, 200 V, 205 V, 210 V, 215 V, and 220 V.

9. The system of claim 1 , wherein the electronic processor is further configured to provide a wireless access point.

10. The system of claim 1 , wherein the electronic processor is further configured to connect to a wireless network.

11. The system of claim 10 , wherein the electronic processor is further configured to automatically transmit a status update regarding the system to a remote server.

12. The system of claim 1 , wherein the electrical characteristic measurement is a voltage measurement and the electrical characteristic boost is a voltage boost.

13. The system of claim 1 , the system further comprising a contactor and wherein activating the electrical characteristic boost includes actuating the contactor.

14. The system of claim 13 , wherein the contactor is coupled to a voltage tap of the primary winding of the isolation transformer.

15. A method of boosting an electrical characteristic of an isolation transformer of an isolation transformer system, the method comprising:
providing the isolation transformer having an a primary winding, a secondary winding, and an electrostatic shield located between the primary winding and the secondary winding, wherein the electrostatic shield is grounded separately from an isolation transformer ground;
receiving, from a sensor, an electrical characteristic measurement;
comparing the electrical characteristic measurement to a predetermined threshold; and
activating an electrical characteristic boost when the electrical characteristic measurement is below the predetermined threshold
operating in a static mode, wherein when in the static mode the system is configured to activate the electrical characteristic boost when the system is initially powered by a shore power supply.

16. The method of claim 15 , the method further comprising, while the isolation transformer system is operating, activating the electrical characteristic boost when the electrical characteristic measurement is below the predetermined threshold for a predetermined time period.

17. The method of claim 15 , the method further comprising
comparing the electrical characteristic measurement to a predetermined upper limit threshold, and
deactivating the electrical characteristic boost.

18. The method of claim 17 , the method further comprising, while the isolation transformer system is operating, deactivating the electrical characteristic boost when the electrical characteristic measurement is above the predetermined upper limit threshold for a predetermined time period.

19. The method of claim 15 , wherein the isolation transformer system is configured to run in one of a plurality of modes of operation, wherein the one of the plurality of modes of operation is selected from a group consisting of
an automatic mode;
a manual mode; and
a programming mode.

20. The method of claim 19 , wherein the automatic mode further includes a dynamic mode, wherein while the system is running in the dynamic mode, the electronic processor is configured to automatically affect the electrical characteristic boost while the system is operating; and
wherein while the system is running in the programming mode, the system is configured to receive one or more commands to adjust a setting of the operation of the system.

21. The method of claim 15 , the method further comprising deactivating the electrical characteristic boost when the electrical characteristic measurement exceeds an upper limit threshold.

22. The method of claim 15 , wherein the predetermined threshold is at least one selected from a group consisting of 190 V, 195 V, 200 V, 205 V, 210 V, 215 V, and 220 V.

23. The method of claim 15 , the method further comprising creating a wireless access point.

24. The method of claim 15 , the method further comprising connecting to a wireless network.

25. The method of claim 24 , the method further comprising automatically transmitting a status update regarding the isolation transformer system to a remote server.

26. The method of claim 15 , wherein the electrical characteristic measurement is a voltage measurement and the electrical characteristic boost is a voltage boost.

27. The method of claim 15 , wherein activating the electrical characteristic boost includes actuating a contactor.

28. The method of claim 27 , wherein the contactor is connected to a voltage tap of the primary winding of the isolation transformer.

Assignees

• Hubbell Inc

Inventors

• Liscinsky Steve
• Schneider Jean-Yves
• Dimaria Joseph
• Brunier Jack

Classifications

• H01F27/34 Primary

  Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields · CPC title

• G01R19/16547

  voltage or current in AC supplies (switching for protection H02H; circuits for emergency power supply H02J9/00) · CPC title

• G05F1/24

  using bucking or boosting transformers as final control devices · CPC title

• H04W4/12

  Messaging; Mailboxes; Announcements · CPC title

• Y04S20/222

  Demand response systems, e.g. load shedding, peak shaving · CPC title