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Simulation experiment platform and method for modularized multilevel converter

A modular multi-level, simulation experiment technology, applied in simulators, instruments, control/regulation systems, etc., can solve problems such as difficulty in modeling primary systems and controllers, and achieve the effect of controller parameter optimization

Inactive Publication Date: 2015-08-05
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to overcome the disadvantages of difficult modeling of high-level primary systems and controllers in the prior art, and provide a modular multi-level converter MMC simulation experiment platform and method to accurately simulate modular multi-level converters. The characteristics of the level converter MMC system, and it can conveniently and safely simulate different types of faults on the AC and DC sides

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  • Simulation experiment platform and method for modularized multilevel converter
  • Simulation experiment platform and method for modularized multilevel converter
  • Simulation experiment platform and method for modularized multilevel converter

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0034] Firstly, the names of the parts represented by the reference numerals in the drawings of the specification will be introduced.

[0035] 1 terminal computer,

[0036] 2 real-time emulators,

[0037] 3 real-time emulator processing board,

[0038] 4 Modular multilevel converter simulation unit,

[0039] 5 system-level controllers,

[0040] 6 station level and valve level controllers,

[0041] 7 analog output unit,

[0042] 8 digital output units,

[0043] 9 digital input unit,

[0044] 10 photoelectric conversion interface,

[0045] 11 digital conversion port,

[0046] 12 A / D conversion ports,

[0047] 13 optical fibers,

[0048] 14 digital signal processing unit,

[0049] 15 programmable gate array cells,

[0050] 16 converter station system,

[0051] 17 AC power supply,

[0052] 18 DC converter station.

[0053] Detailed exemplary embodiments a...

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Abstract

A simulation experiment platform and method for a modularized multilevel converter. The platform includes a real-time simulator and a station level and valve level controller, the real-time simulator includes a real-time simulator processing board card and a modularized multilevel converter simulation unit, the station level and valve level controller includes a field programmable gate array unit and a digital signal processing unit, wherein the real-time simulator processing board card is used for simulation operation of an alternating current system, the modularized multilevel converter simulation unit is used for simulation operation of a converter station system, the field programmable gate array unit is used for transmitting operation signals of the alternating current system and the converter station system to the digital signal processing unit, and the digital signal processing unit is used for completing control calculation and generating a converter station submodule trigger signal. By use of the simulation experiment platform and method for the modularized multilevel converter, system characteristics of the modularized multilevel converter can be precisely simulated on the real-time simulator.

Description

technical field [0001] The invention relates to the technical field of power system analysis, in particular to the analysis technology of modularized multilevel converters. Background technique [0002] In recent years, with the development of wind power, solar power and other renewable energy power generation, the light DC transmission system based on voltage source converter has been rapidly applied and developed due to its advantages of economy, flexibility and high controllability. . Light DC transmission is widely used in renewable energy such as large-scale wind farm grid connection, distributed generation grid connection, island power supply, large city power grid power supply, asynchronous AC grid interconnection, multi-terminal DC transmission and other fields. [0003] HVDC transmission based on modularized multilevel converter (MMC) is the latest achievement in the development of high-voltage direct current (HVDC) technology in the direction of high voltage and h...

Claims

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Application Information

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IPC IPC(8): G05B17/02
Inventor 刘崇茹田鹏飞李海峰王嘉钰洪国巍
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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