SYSTEMS AND METHODS FOR CONTROLLING A DISCONNECT SWITCH VIA A NETWORK

• US 20150091485A1
• Filed: 10/01/2013
• Published: 04/02/2015
• Est. Priority Date: 10/01/2013
• Status: Abandoned Application

• Current Assignee: Rockwell Automation Technologies Incorporated (Allen-Bradley Co., Inc.)
• Original Assignee: Rockwell Automation Technologies Incorporated (Allen-Bradley Co., Inc.)
• Inventors: Lemberg, Nicholas, Harbaugh, Mark M., Mehta, Darshini, Breitzmann, Robert
• Application Number:
  US14/043,640
• Publication Number:
  US 20150091485A1
• Time in Patent Office: Days
• US Class Current: 318/453
• CPC Class Codes: G05B 19/0425 Safety, monitoring
• CPC Class Codes: H02H 1/0061 concerning transmission of signals transmission of measured quantities or switching orders; sectionalised protection involving signal transmission between at least two stations H02H7/261; comparison of the voltage or current values at two spaced portions of a single system H02H3/28; transferring the output of a sensing member to another variable G01D5/00; electrical measuring arrangements using modulation of electromagnetic waves, e.g. light beams G01R15/24, G01R15/26
• CPC Class Codes: H02H 3/20 responsive to excess voltage
• CPC Class Codes: H02H 3/207 also responsive to under-voltage window comparators for indication G01R19/165
• CPC Class Codes: H02H 3/24 responsive to undervoltage or no-voltage H02H3/207 takes precedence
• CPC Class Codes: H02H 3/46 responsive to frequency deviations
• CPC Class Codes: H02H 3/52 responsive to the appearance of harmonics
• CPC Class Codes: H02H 7/0833 for electric motors with control arrangements
• CPC Class Codes: H02H 7/09 against over-voltage; against reduction of voltage; against phase interruption
• CPC Class Codes: H02H 7/1216 for AC-AC converters
• CPC Class Codes: H02H 7/1252 responsive to overvoltage in input or output, e.g. by load dump
• CPC Class Codes: Y02B 70/30 Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
• CPC Class Codes: Y04S 20/20 End-user application control systems

Abstract

A system for controlling a disconnect switch via a network may include a disconnect switch and a drive. The disconnect switch may receive alternating current (AC) power from an AC power supply, and the drive may then receive the AC power via the disconnect switch. The drive may include a processor that may communicatively couple to the disconnect switch. As such, the processor may control a drive operation that corresponds to the drive and control a disconnect operation that corresponds to the disconnect switch.

Claims

1. A system, comprising:

a disconnect switch configured to receive alternating current (AC) power from an AC power supply; and

a drive configured to receive the AC power via the disconnect switch, wherein the drive comprises;

a processor configured to communicatively couple to the disconnect switch, wherein the processor is configured to;

control a drive operation that corresponds to the drive; and

control a disconnect operation that corresponds to the disconnect switch.

2. The system of claim 1, wherein the processor is communicatively coupled to the disconnect switch via an Ethernet connection.

3. The system of claim 1, wherein the processor is communicatively coupled to the disconnect switch via a wireless connection.

4. The system of claim 1, wherein the disconnect operation comprises opening the disconnect switch, closing the disconnect switch, or any combination thereof.

5. The system of claim 1, wherein the disconnect switch comprises a plurality of poles.

6. The system of claim 5, wherein the processor is configured to control a respective disconnect operation of a respective pole of the plurality of poles.

7. The system of claim 1, wherein the processor is configured to:

monitor one or more parameters associated with the AC power supply and the drive; and

control the disconnect operation based at least in part on the parameters.

8. A non-transitory computer readable medium comprising computer-executable instructions configured to:

receive, at a drive, data associated with an alternating current (AC) power supply, a drive, a motor, or any combination thereof from one or more sensors; and

initiate sending a signal from the drive to a disconnect switch coupled between the AC power supply and the drive when the data is outside a range of values, wherein the signal is configured to open the disconnect switch.

9. The non-transitory computer readable medium of claim 8, wherein the data comprises a motor speed, a voltage frequency, power quality, one or more alarm conditions, or any combination thereof.

10. The non-transitory computer readable medium of claim 9, wherein the alarm conditions comprise a ground fault, a line-to-line fault, or any combination thereof.

11. The non-transitory computer readable medium of claim 9, wherein the computer-executable instructions are configured to send the signal from the drive to the disconnect switch when the alarm conditions are present.

12. The non-transitory computer readable medium of claim 8, wherein the computer executable instructions are configured to initiate sending the signal from the drive to the disconnect switch via a wired connection.

13. The non-transitory computer readable medium of claim 12, wherein the wired connection is an Ethernet connection.

14. The non-transitory computer readable medium of claim 8, wherein the computer executable instructions are configured to initiate sending the signal from the drive to the disconnect switch via a wireless connection.

15. The non-transitory computer readable medium of claim 8, wherein the computer-executable instructions are configured to send an additional signal from the drive to the disconnect switch when the data returns to the range of values, wherein the additional signal is configured to close the disconnect switch.

16. A disconnect switch, comprising:

at least one pole configured to couple an alternating current (AC) power supply to an industrial automation drive;

a control system configured to communicatively couple to a drive control system that corresponds to the industrial automation drive, wherein the control system is configured to receive a signal from the drive control system, wherein the signal is configured to open or close the at least one pole.

17. The disconnect switch of claim 16, wherein the control system comprises an optocoupler-tied contact, a relay-driven coil, an auxiliary miniature circuit breaker, a bell alarm, an operating closing coil, a trip release, a shunt trip, or any combination thereof.

18. The disconnect switch of claim 16, wherein the control system is communicatively coupled to the drive control system via Ethernet, WiFi, supervisory control and data acquisition (SCADA), mobile telecommunications technology, or any combination thereof.

19. The disconnect switch of claim 16, wherein the control system comprises a processor configured to control an operation of the at least one pole of the disconnect switch.

20. The disconnect switch of claim 16, wherein the control system is configured to remove at least one voltage from at least one closing coil configured to control opening and closing of the at least one pole.