Three-phase power consumption imbalance adjusting device and control method thereof and generator unit
A technology of balance regulation and generator, applied in the direction of reducing the asymmetry of the multiphase network, eliminating/reducing the asymmetry of the multiphase network, etc., which can solve the problems of three-phase imbalance and power consumption.
Active Publication Date: 2017-03-22
北京新奥燃气发展有限公司
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Problems solved by technology
[0005] Embodiments of the present invention provide a three-phase power consumption unbalance adjustment device and its control method, and a generator set, which can avoid the problem of using additional resistors to solve the three-phase unbalance, resulting in the consumption of a large amount of electric energy
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] An embodiment of the present invention provides a three-phase power consumption unbalance adjustment device 20, such as figure 2 As shown, it is connected to the generator 10 through a three-phase transmission and distribution line. Wherein, the above-mentioned three-phase transmission and distribution line refers to a line for connecting phase A, phase B, and phase C of a three-phase generator to various loads.
[0031] In addition, the three-phase p...
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The embodiment of the invention provides a three-phase power consumption imbalance adjusting device and a control method thereof and a generator unit. A first-phase rectifier module of the three-phase power consumption imbalance adjusting device is connected with one corresponding phase in a three-phase transmission and distribution line and a DC bus to form a first-phase rectifier circuit; a second-phase rectifier module is connected with one corresponding phase in the three-phase transmission and distribution line and the DC bus to form a second-phase rectifier circuit; a third-phase rectifier module is connected with one corresponding phase in the three-phase transmission and distribution line and the DC bus to form a third-phase rectifier circuit; a first inverter module is connected with one corresponding phase in the three-phase transmission and distribution line and the DC bus to form a first-phase inverter circuit; a second inverter module is connected with one corresponding phase in the three-phase transmission and distribution line and the DC bus to form a second-phase inverter circuit; and a third inverter module is connected with one corresponding phase in the three-phase transmission and distribution line and the DC bus to form a third-phase inverter circuit.
Description
technical field [0001] The invention relates to the field of power transmission and distribution equipment, in particular to a three-phase power consumption unbalance adjustment device, a control method thereof, and a generator set. Background technique [0002] When the generator is separated from the municipal power grid to independently provide power to the equipment connected to the generator, for example, when the generator supplies power to power equipment in a building or shopping mall that has a power failure, the generator is in an island operation state. [0003] Usually the above-mentioned power equipment such as computers and televisions use single-phase electricity, so some equipment, such as figure 1 The shown load one is connected to phase A of the generator, some equipment, such as load two, is connected to phase B, and the other part of equipment, such as load three, is connected to phase C. In this case, when the start-stop states of loads connected to dif...
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Login to View More IPC IPC(8): H02J3/26
CPCY02E40/50H02J3/26
Inventor 杨向阳李文乐于倩
Owner 北京新奥燃气发展有限公司