CN2585481Y - Single phase asynchronous generator modified from three phase asychronous generator - Google Patents

Abstract

The utility model relates to a single phase asynchronous generator modified from a three-phase asynchronous motor, which is composed of the three-phase asynchronous motor and an excitation capacitor C1. The utility model is characterized in that the appropriate excitation capacitor C1 and the position between two of three windings (1, 6) of the three-phase asynchronous motor are connected in series, one end of the rest one winding (2) and one (4) of two windings at both ends of the excitation capacitor are connected in series, both ends (3, 5) of other whole series circuit are output ends of the single phase asynchronous generator, and the modification of the single phase asynchronous generator is completed. A generator with various power and different models modified by the utility model has the advantages of stable operation and good performance.

Description

The single-phase asynchronous generator of threephase asynchronous repacking

Affiliated field: the utility model belongs to the microgenerator class.

Background technology:, mainly be by forming field circuit with the winding shunt capacitance, becoming the generator of single phase power supply at present with the single-phase asynchronous generator of threephase asynchronous repacking.The generator of this shunt capacitance, no matter winding be star or delta connection, generator all exists the band inductive load, as the ability of motor, and the repacking structure is complicated, voltage stability is bad; Starting, shutoff operation complexity.

Summary of the invention: the single-phase asynchronous generator that the utility model proposes a kind of threephase asynchronous repacking, it is a kind of simple repacking structure, the generator that repacks into has is with the inductive load ability preferably, and voltage stability is good, and starting and shutoff operation are all simpler.

The utility model is achieved like this, suitable exciting capacity of serial connection between any two in three windings of threephase asynchronous, in two windings of one end of surplus next winding and exciting capacity two ends any one is connected in series, and the two ends of remaining whole series circuit promptly are the outputs of the good individual event asynchronous generator of repacking.

Generator described in the utility model, exciting capacity, generator unit stator, load winding form a series circuit.Utilize the loop of the impedance of load as exciting current, the realization exciting current is self-regulating adjustable magnetic voltage stabilizing function with the variation of load, and has improved the ability of this generator belt inductive load.This generator be owing to can regulate exciting current automatically by the variation of load, so the starting of generator and to close only need be to start and close prime mover to get final product, operation is very easy.

Description of drawings: Fig. 1 is circuit theory diagrams of the present utility model.

Fig. 2 is terminal box repacking figure of the present utility model.

Among the figure 1,4,2,5,3,6 is respectively the end line of three generator unit stator windings, and C1 is an exciting capacity, and R is load, and C2 is a load matched electric capacity.

Now in conjunction with the accompanying drawings the utility model is further described, suitable exciting capacity C1 of 5,6 serial connections between any two in three windings of threephase asynchronous, in two windings in an end 1 and exciting capacity two ends of surplus next winding any one 2 is connected in series, and the two ends 3,4 of remaining whole series circuit promptly are the outputs of the good individual event asynchronous generator of repacking.As embodiment three asynchronous motors of 0.75Kw are adapted as single-phase asynchronous generator, the capacitor that can select 630V, 14-16 μ f for use is as exciting capacity C1; 2.2Kw generator, C1 can select the capacitor of 630V, 40-50 μ f for use; 4.5Kw generator, C1 can select the capacitor of 630V, 50-60 μ f for use.In a generator output end capacitance in parallel load matched capacitor C 2 of half that is exciting capacity C1, can improve the output characteristic of generator preferably.Utilize the different generator of multiple power, model of the utility model repacking, the result of experiment operation, stable, functional.With the generator of the utility model repacking, simple in structure, repacking is easy, and reliable, with low cost, easy burn-out electrical appliance and generator are not difficult for loss of excitation, and be easy to operate, relatively is suitable for the development and use of small-size energy.

Claims (2)

1, a kind of single-phase asynchronous generator of threephase asynchronous repacking, form by threephase asynchronous and exciting capacity C1, it is characterized in that suitable exciting capacity C1 of (5,6) serial connection between any two in three windings of threephase asynchronous, any one (2) in two windings in an end (1) and exciting capacity two ends of surplus next winding are connected in series, and the two ends (3,4) of remaining whole series circuit promptly are the outputs of the good individual event asynchronous generator of repacking.

2, generator as claimed in claim 1 is characterized in that also being parallel with load matched capacitor C 2 on the output (3,5).

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