Capacitor-compensated full-half-bridge switching double-excitation electrically excited doubly salient generator
A technology of electric excitation double salient poles and double excitation windings, which is applied to the shape/style/structure of winding conductors, electrical components, electromechanical devices, etc. Adjustment difficulty and other issues to achieve stable output and improve quality
Active Publication Date: 2016-02-24
JINAN JIMEILE POWER SUPPLY TECH +1
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Problems solved by technology
As a result, the number of turns of the excitation winding increases, or the capacity of the excitation controller increases, and the difficulty of controller adjustment increases after the generator speed increases
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[0010] Since the structure of the electrically excited double salient pole generator with different phases and different structures is similar to that of the 3-phase 6 / 4 structure electrically excited double salient pole generator, the specific implementation will be described below with the 3-phase 6 / 4 structure electrically excited double salient pole generator . Depend on figure 1 It can be seen that the electrically excited double salient pole generator with capacitance compensation full half bridge conversion double excitation winding is composed of electric excitation double salient pole generator, diode, capacitor and controller. In addition to the concentrated armature winding on the stator, there is also excitation Winding, the windings on the stator teeth opposite in space are connected in series to form a phase, there is no winding on the rotor, the positive direction of the potential of the phase winding and the positive direction of the excitation magnetic flux co...
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The invention relates to an electric excitation doubly-salient generator of capacitance compensation full-bridge and half-bridge conversion double excitation windings. The generator is characterized in that a main winding is in a three-phase star connection method, output is carried out in a three-phase four-wire system mode, compensation capacitors are connected in a triangle shape, one compensation capacitor is connected between every two ends of the line-outgoing end a, the line-outgoing end b and the line-outgoing end c of the armature winding of each phase, and accordingly a triangular connection mode of the compensation capacitors is formed through C1, C2 and C3, and connected three-phase output lines are connected with a full-wave rectification bridge composed of diodes from D1 to D6. Positive poles of lower bridge arms D4, D5 and D6 are connected with one end of kc1, a middle line n is connected with one end of kc0, the other end of the kc1 is connected with the other end of the kc0, a lead-out line is connected with the negative pole of the capacitor C0, the line led out from the C0 serves as the negative pole of the generator, the negative poles of upper bridge arms D1, D2 and D3 are connected together and are connected with one end of the second excitation winding Lf2, the other end of the Lf2 is connected with the positive pole of the capacitor C0, the lead-out line of the C0 serves as the positive pole of the generator, and the positive pole and the negative pole of the generator are connected with the positive pole and the negative pole of a load Z respectively and supply power to the load.
Description
technical field [0001] The invention belongs to the technical field of doubly salient pole generators, and in particular relates to an electrically excited doubly salient pole generator with capacitance compensation and full half-bridge switching dual excitation windings. Background technique [0002] Electric excitation doubly salient generator belongs to variable reluctance motor. Both the stator and the rotor are of salient pole structure, which are made of silicon steel sheets, and there is no winding on the rotor, so the structure is simple. The electrically excited doubly salient generator replaces the permanent magnet with an electrically excited winding, so that the excitation magnetic field of the motor can be adjusted. During operation, the rotor position sensor is not required, and the output voltage can be adjusted by adjusting the field winding current. The power density and efficiency of the motor can be further improved by adopting a multi-pole structure and...
Claims
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IPC IPC(8): H02K29/00H02K3/28
Inventor 于功山张军刚王胜平刘海鹏张文昌陈爱伟谈学超
Owner JINAN JIMEILE POWER SUPPLY TECH