Double-feed converter type large current generator
A doubly-fed converter and generating device technology, which is applied to measuring devices, instruments, measuring electricity, etc., can solve the problems of waste of electric energy, short sustainable operation time, and inability to apply high current test, and achieve the effect of saving electric energy.
Pending Publication Date: 2016-12-07
DALIAN HUARUI HEAVY IND GRP CO LTD
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Problems solved by technology
[0003] However, when a long-term test is required, additional settings are required and the continuous running time is short, so it cannot be applied to the working conditions that require continuous and long-term high-current tests
In addition, the active current of long-term test operation is likely to cause waste of electric energy
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[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0017] figure 1 It is a structural schematic diagram of the double-fed converter type large current generating device of the present invention, such as figure 1 As shown, the device of this embodiment may include:
[0018] Circuit breaker 101, first contactor 102, rectifier bridge 103, pre-charging resistor 104, second contactor 105, double-fed ...
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The invention provides a double-feed converter type large current generator which comprises a circuit breaker, a rectifier bridge, a pre-charging resistor, a first contactor, a second contactor, a double fed converter, a reactor, a PLC unit and a PC. One end of the circuit breaker is connected to a wire inlet power supply, and the other end is connected to the first contactor. The other end of the first contactor is connected to the rectifier bridge. The pre-charging resistor is in a parallel connection with the second contactor, then one end of the pre-charging resistor is connected to the rectifier bridge, and other end is connected to a double-feed converter. One end of the PLC is connected to the PC, and the other end is connected to the double-feed converter. The output end of the double-feed converter is connected to a reactor, and the other end of the reactor is connected to a detected unit. According to the double-feed converter type large current generator, the long time continuous operation is realized to satisfy the use requirements of special occasions, a lot of electric energy can be saved, and the effects of energy conservation and emission reduction are achieved.
Description
technical field [0001] Embodiments of the present invention relate to the field of electrical performance generating devices, and in particular to a doubly-fed converter type large current generating device. Background technique [0002] The high current generator is the necessary equipment in the place where high current is needed in the commissioning test, and it is mainly used in power plants, substations, electrical manufacturing plants and scientific research laboratories and other units. The high current generators on the market are generally composed of voltage regulators, transformers, current transformers, ammeters, selection switches, etc. Most of them are short-term use, and there are also high current generators that work intermittently. The high current generator is generally composed of two parts: the console and the current booster. It has the characteristics of stepless adjustment of the output current, stable rising current, reliable operation and easy opera...
Claims
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IPC IPC(8): G01R1/28
CPCG01R1/28
Inventor 张海波冯城鞠贵祥李辉刘迪邹元鹏
Owner DALIAN HUARUI HEAVY IND GRP CO LTD