Description: 本系统由SPWM信号的产生、逆变回路及其控制、欠压过流保护、键盘和显示等部分组成。选择DSP TMS320F28027芯片产生SPWM信号；逆变器主回路是由功率场效应晶体管构成的全桥逆变电路，其控制部分采用基于DSP控制的最大功率跟踪和输出电流跟踪控制策略，使逆变输出电流与参考信号同频同相；并从软硬件两方面进行输入欠压、输出过流保护，增强系统的稳定性和可靠性。对系统的转换效率、畸变率等各项指标的测试结果表明，本光伏并网模拟装置是比较稳定可靠的。(The system consists of SPWM signal generation, inverter circuit and its control, undervoltage over-current protection, keyboard and display and other parts. DSP TMS320F28027 chip select SPWM signal is generated; the inverter main circuit is full bridge inverter circuit is composed of power field effect transistor, the control part adopts DSP to control the maximum power tracking and output current tracking control strategy based on the inverter output current reference signal with the same frequency and phase; and the input voltage, output over-current protection from two aspects of hardware and software, to enhance the stability and reliability of the system. The test results of the system conversion efficiency, distortion rate and other indicators show that the photovoltaic grid connected simulation device is relatively stable and reliable.) Platform: |
Size: 23951360 |
Author:destyni
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Description: 在重复控制理论基础上进行改进，提出一种具有频率波动适应能力的控制策略，保证当电网频率波动时依然具有良好的电流跟踪性能。(Based on repetitive control theory, a control strategy with frequency fluctuation adaptability is proposed to guarantee good tracking performance when grid frequency fluctuates.) Platform: |
Size: 582656 |
Author:老家伙
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Description: 第十章 频率相位跟踪，更快地学习频率相位跟踪的内容(Tenth chapter frequency phase tracking to learn the content of frequency phase tracking faster) Platform: |
Size: 2450432 |
Author:浅笑安然 |
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Description: 线调频小波路径算法的计算程序，实现信号瞬时频率追踪(The calculation program of the linear frequency modulation wavelet path algorithm to realize the tracking of the instantaneous frequency of the signal) Platform: |
Size: 12288 |
Author:0泪过无痕0 |
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Description: 介绍了一种基于DSP 的高频感应加热电源。现以MOSFET为开关器件，并通过逆变器并联扩容为60kW/300kHz。采用多重斩波技术，增大了斩波电路的容量，将基于DSP 的fuzzy-DPLL 复合数字锁相环技术应用在高频场合，使锁相有快速的动态性能和高精度的稳态性能，实现了对负载频率的可靠跟踪及对逆变状态的可靠控制，提高了逆变器
的工作效率和功率因数。(A high frequency induction heating power supply based on DSP. MOSFET is now used as a switch device, and the capacity of 60kW/300kHz is expanded in parallel through the inverter.Using multiple chopping technology, the capacity of chopper circuit is increased, and the fuzzy-DPLL composite digital phase locked loop technology based on DSP is applied to the high frequency situation, so that the lock is locked.It has fast dynamic performance and high precision steady state performance. It achieves reliable tracking of load frequency and reliable control of inverter state, and improves inverter.Working efficiency and power factor.) Platform: |
Size: 751616 |
Author:destyni |
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Description: 测量三相交流电源的线电压，使用PLL跟踪其相位或者频率，对于锁相环的设计和学习，有一定的参考价值。(Measuring the line voltage of three-phase AC power supply and tracking its phase or frequency with PLL are of certain reference value for the design and learning of PLL.) Platform: |
Size: 12288 |
Author:zgritry |
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Description: 在积分反演法的基础上增加了微分器，实现了对扫频信号的位置跟踪。(On the basis of integral inversion method, a differentiator is added to realize the position tracking of swept frequency signal.) Platform: |
Size: 20480 |
Author:siguaroudou |
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