Direct drive type permanent magnet motor operating mechanism of high-voltage isolating switch and control method thereof
A technology of high-voltage isolation switch and permanent magnet motor, which is applied to the power device, electric components, and control/drive circuit connection inside the switch. It can solve the problems of uncontrollable motion process, complex structure, and many parts, and achieve energy The effect of small loss, small size and large output torque
Inactive Publication Date: 2010-05-05
SHENYANG POLYTECHNIC UNIV
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Problems solved by technology
[0004] Aiming at the problems that the existing motor operating mechanism has many parts, complex structure, high failure rate, and uncontrollable motion process, the present invention provides a direct drive high-voltage isolation switch with simple structure, reliable operation, and controllable motion process. Type permanent magnet motor operating mechanism and its control method
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[0034] Below in conjunction with accompanying drawing, the present invention will be further described:
[0035] like image 3 , Figure 4 , Figure 5 As shown, a direct-drive permanent magnet motor operating mechanism for a high-voltage isolating switch includes a housing 4 with a shaft through hole, and the housing 4 is sequentially arranged in the radial direction from inside to outside: a rotating shaft 1, a rotor core 2. The permanent magnet 6, the armature winding 7 and the stator core 3; the rotating shaft 1 is fixed on the housing 4 through the bearing 5, and the two ends of the rotating shaft 1 correspond to the through holes of the rotating shaft of the housing 4; the rotor core 2 is fixed On the rotating shaft 1, the stator core 3 is fixed on the housing 4. The stator core 3 is a groove structure formed by laminating silicon steel sheets. An armature is arranged in the groove of the stator core 3 on the side of the rotor core 2. The winding 7 is provided with a p...
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The invention relates to a direct drive type permanent magnet motor operating mechanism of a high-voltage isolating switch and a control method thereof, belonging to the technical field of electric transmission and transformation devices. The invention has simple structure, reliable operation and controllable motion process. An armature winding is arranged in a groove of a stator iron core at the rotor iron core side. The direct drive type permanent magnet motor operating mechanism of a high-voltage isolating switch is characterized in that the armature winding adopts a six-phase armature winding, and the six-phase armature winding is respectively connected with control circuits; and the magnetic steel of a position sensor is arranged on a revolving shaft and corresponds to a position sensor arranged on a shell. The control method comprises the following steps of: 1. initializing a system; 2. judging the switching-off / switching-on position, if the mechanism is in the switching-off position, executing the step 3; if the mechanism is in the switching-on position, executing the step 4; 3. waiting for a switching-on command, if the command does not arrive, keeping on waiting; if the command arrives, calling a switching-on service program; 4. waiting for a switching-off command, if the command does not arrive, keeping on waiting; if the command arrives, calling a switching-off service program; and 5. executing the step 3.
Description
Technical field: [0001] The invention belongs to the technical field of power transmission and transformation equipment, and in particular relates to a direct-drive permanent magnet motor operating mechanism of a high-voltage isolating switch and a control method thereof, which are used for directly driving the high-voltage isolating switch. Background technique: [0002] The main function of the high-voltage isolating switch is reflected in the opening / closing of the contacts, and the opening / closing of the contacts is realized through the operating mechanism; The working performance and reliability of the switch play an extremely important role. The main function of the high voltage disconnector in the power grid is to provide a clear section gap, switch the circuit to change the operation mode of the system. The high voltage isolating switch requires that the operating mechanism has sufficient output torque and can complete the opening / closing operation within the specif...
Claims
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Login to View More IPC IPC(8): H02P6/16H01H3/26H02K11/215H02K11/33
Inventor 林莘乔春雨李永祥徐建源
Owner SHENYANG POLYTECHNIC UNIV