Cleaning and motor heating electromagnetic motor control switching
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02P-003/00
G01R-031/327
H01H-050/16
G01K-007/00
H01H-047/00
H01H-047/22
H01H-050/00
H01H-047/26
H01H-047/02
H01H-050/38
H01H-050/32
H01H-089/00
H02P-001/26
H01H-009/26
H01H-009/30
H02P-001/32
H01H-009/56
H01H-071/08
출원번호
US-0832871
(2015-08-21)
등록번호
US-9766291
(2017-09-19)
발명자
/ 주소
Bock, Christopher H.
Wieloch, Christopher J.
Kinsella, James J.
Dziekonski, Stefan T.
출원인 / 주소
Rockwell Automation Technologies Inc.
대리인 / 주소
Fletcher Yoder P.C.
인용정보
피인용 횟수 :
0인용 특허 :
66
초록▼
One embodiment describes a switching device system, which includes a first single pole switching device that selectively connects and disconnects a first phase of electric power to a first winding of a three phase motor; a second single switching device that selectively connects and disconnects a se
One embodiment describes a switching device system, which includes a first single pole switching device that selectively connects and disconnects a first phase of electric power to a first winding of a three phase motor; a second single switching device that selectively connects and disconnects a second phase of electric power to a second winding of the three phase motor; in which the first and second single pole switching devices control temperature of the motor by, at a first time, connecting the first phase and the second phase electric power to the motor.
대표청구항▼
1. A switching device system comprising: a first single pole switching device configured to selectively connect and disconnect a first phase of electric power to a first winding of a three phase motor;a second single pole switching device configured to selectively connect and disconnect a second pha
1. A switching device system comprising: a first single pole switching device configured to selectively connect and disconnect a first phase of electric power to a first winding of a three phase motor;a second single pole switching device configured to selectively connect and disconnect a second phase of electric power to a second winding of the three phase motor;wherein the first single pole switching device and the second single pole switching device are configured to control temperature of the three phase motor by, at a first time, connecting the first phase and the second phase of electric power to the three phase motor, wherein the first single pole switching device and the second single pole switching device are configured to connect the first phase and the second phase of electric power to the three phase motor based at least in part on a current zero-crossing between the first phase and the second phase. 2. The switching device of claim 1, comprising a third single pole switching device configured to selectively connect and disconnect a third phase of electric power to a third winding of the three phase motor; wherein the first single pole switching device, the second single pole switching device, and the third single pole switching device are configured to control temperature of the three phase motor by: at a second time, connecting the first phase and the third phase of electric power to the three phase motor; andat a third time, connecting the second phase and the third phase of electric power to the three phase motor. 3. The switching device system of claim 1, wherein the first single pole switching device and second single pole switching device are configured to form a wye-delta starter. 4. The switching device system of claim 3, wherein the first single pole switching device is configured to connect the first winding in a delta configuration and the second single pole switching device is configured to connect the second winding in the delta configuration. 5. The switching device system of claim 1, wherein the first single pole switching device and the second single pole switching device are configured to form a direct-on-line switching device. 6. The switching device system of claim 1, wherein the first single pole switching device and the second single pole switching device each comprise a single pole, single current carrying path switching device or a single pole, multi current carrying path switching device. 7. The switching device system of claim 1, wherein the first single pole switching device and the second single pole switching device are configured to periodically supply the first phase and the second phase of electric power to the three phase motor. 8. The switching device system of claim 1, wherein the first single pole switching device and the second single pole switching device are configured to supply the first phase and the second phase of electric power to the three phase motor based on temperature of the temperature of the three phase motor measured by a temperature sensor. 9. The switching device system of claim 1, wherein the first single pole switching device and the second single pole switching device are configured to facilitate detecting a phase to phase fault in the three phase motor. 10. A tangible, non-transitory, computer readable medium configured to store instructions executable by a processor, wherein the instructions comprise instructions to: instruct, using the processor, a temperature sensor to determine temperature of a motor when the motor is not in operation;instruct, using the processor, one or more switching devices to supply a first phase of electric power to a first winding of the motor and a second phase of electric power to a second winding of the motor when the temperature of the motor is less than a threshold temperature such that a first current is conducted through the first winding, the first current is conducted through the second winding, and the motor does not actuate;determine, using the processor, that a short circuit is present when the first current is rapidly increasing; anddetermine, using the processor, that a phase-to-phase open circuit is present when the first current is zero. 11. The computer readable medium of claim 10, comprising instructions to: instruct, using the processor, the one or more switching devices to supply the first phase of electric power to the first winding and a third phase of electric power to a third winding of the motor when the temperature of the motor is less than the threshold temperature such that a second current is conducted through the first winding, the second current is conducted through the third winding, and the motor does not actuate; andinstruct, using the processor, the one or more switching devices to supply the second phase of electric power to the second winding and the third phase of electric power to the third winding when the temperature of the motor is less than the threshold temperature such that a third current is conducted through the second winding, the third current is conducted through the third winding, and the motor does not actuate. 12. The computer readable medium of claim 10, wherein the one or more switching devices comprises: a first single pole switching device configured to selectively connect and disconnect the first phase of electric power to the first winding; anda second single switching device configured to selectively connect and disconnect the second phase of electric power to the second winding. 13. The computer readable medium of claim 10, wherein the one or more switching devices comprises a multi pole, multi current carrying path switching device comprising: a first pole configured to selectively connect and disconnect the first phase of electric power to the first winding; anda second pole configured to selectively connect and disconnect the second phase of electric power to the second winding.
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