【摘要】：隨著綠色低碳經(jīng)濟(jì)的發(fā)展需求,新能源得到了廣泛應(yīng)用。新城鎮(zhèn)化建設(shè)促進(jìn)分布式電源的推廣使用,推動了智能電網(wǎng)的建設(shè)。分布式電源大量接入微電網(wǎng),提高了電網(wǎng)供電的可靠性與安全性,減少了電能傳輸中的能量損耗。為了鼓勵可再生能源的發(fā)展,國家對分布式電源發(fā)電提供財(cái)政補(bǔ)貼;與此同時,用戶的售電與用電行為,使得傳統(tǒng)電表難以滿足雙向獨(dú)立計(jì)量的要求。為了實(shí)現(xiàn)用戶側(cè)微電網(wǎng)的雙向互動響應(yīng),計(jì)量終端還應(yīng)能對家庭微電網(wǎng)進(jìn)行能效管理。本論文結(jié)合國家高技術(shù)研究發(fā)展計(jì)劃課題的微電網(wǎng)示范工程的實(shí)際需求,設(shè)計(jì)了雙向計(jì)量裝置。本文首先分析了微電網(wǎng)示范工程對雙向計(jì)量裝置的功能需求,分析了不同類型微電網(wǎng)的計(jì)量需求。接著,依據(jù)計(jì)量裝置的技術(shù)規(guī)范的要求,設(shè)計(jì)了雙向計(jì)量裝置的硬件方案。其次,在STM32平臺上移植FreeRTOS操作系統(tǒng),并對計(jì)量裝置進(jìn)行了軟件設(shè)計(jì)。對雙向計(jì)量、分時復(fù)費(fèi)率電價、能效管理與雙向通信功能進(jìn)行了重點(diǎn)介紹,并對裝置進(jìn)行了校表與精度測試。之后,提出了基于電能質(zhì)量的分布式電源上網(wǎng)電價方案,為未來電力市場下分質(zhì)計(jì)價提供一個范例。最后,對不同類型微電網(wǎng)結(jié)構(gòu),結(jié)合分布式電源的產(chǎn)權(quán)與運(yùn)營模式,對計(jì)量模式進(jìn)行了分析。
[Abstract]:With the development of green low-carbon economy, new energy has been widely used. The construction of new urbanization promotes the application of distributed power generation and promotes the construction of smart grid. A large number of distributed power sources are connected to microgrid, which improves the reliability and security of power supply, and reduces the energy loss in power transmission. In order to encourage the development of renewable energy, the state provides financial subsidies for distributed power generation. At the same time, the consumers' behavior of selling and using electricity makes it difficult for traditional meters to meet the requirements of two-way independent metering. In order to realize the two-way interactive response of the user side microgrid, the metering terminal should also be able to manage the energy efficiency of the household microgrid. In this paper, a bidirectional metering device is designed according to the actual demand of the micro grid demonstration project of the National High Technology Research and Development Project. In this paper, the functional requirements of bidirectional metering devices for the demonstration project of microgrid are analyzed, and the metering requirements of different types of microgrid are analyzed. Then, according to the technical specification of metering device, the hardware scheme of bidirectional metering device is designed. Secondly, the FreeRTOS operating system is transplanted on the STM32 platform, and the software of the metering device is designed. The functions of bidirectional metering, timesharing rate, energy efficiency management and bidirectional communication are emphatically introduced, and the calibration table and precision of the device are tested. After that, a distributed power supply pricing scheme based on power quality is proposed, which provides an example for the pricing of power supply in the future. Finally, the measurement model is analyzed for different types of microgrid structure, combined with the property right and operation mode of distributed generation.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TM933.4

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