论文标题

功率流量算法的量子计算:在实际量子计算机上进行测试

Quantum Computing for Power Flow Algorithms: Testing on real Quantum Computers

论文作者

Sævarsson, Brynjar, Chatzivasileiadis, Spyros, Jóhannsson, Hjörtur, Østergaard, Jacob

论文摘要

量子计算有可能比古典计算机更快地解决许多计算问题。可再生能源的高股票和转换器交换资源的广泛部署需要新工具,这些工具将大大加速功率系统计算,包括优化和安全评估,这可以从量子计算中受益。据我们所知,这是第一篇论文,它超出了量子计算模拟,并在实际量子计算机上对量子计算执行了量子计算的实验应用。我们使用五个不同的量子计算机,应用HHL量子算法,并检查当前噪声量子硬件对AC功率流量算法的准确性和速度的影响。我们对带有实际量子计算机的3键和5总线系统进行相同的研究,以识别与这些算法的可扩展性相关的挑战和开放研究问题。

Quantum computing has the potential to solve many computational problems exponentially faster than classical computers. The high shares of renewables and the wide deployment of converter-interfaced resources require new tools that shall drastically accelerate power system computations, including optimization and security assessment, which can benefit from quantum computing. To the best of our knowledge, this is the first paper that goes beyond quantum computing simulations and performs an experimental application of Quantum Computing for power systems on a real quantum computer. We use five different quantum computers, apply the HHL quantum algorithm, and examine the impact of current noisy quantum hardware on the accuracy and speed of an AC power flow algorithm. We perform the same studies on a 3-bus and a 5-bus system with real quantum computers to identify challenges and open research questions related with the scalability of these algorithms.

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