Abstract
Considering the complexity of power grid environments and the diversity of power communication transmission losses, this study proposes a quantum key distribution (QKD) network structure suitable for power business scenarios. Through simulating the power communication transmission environment, performance indicators of quantum channels and data interaction channels in power QKD systems are tested and evaluated from six aspects, such as distance loss, galloping loss, splice loss, data traffic, encryption algorithm and system stability. In the actual environment, this study combines the production business to build a QKD network suitable for power scenarios, and conducts performance analyses. The experimental results show that power QKD technologies can meet the operation index requirements of power businesses, as well as provide a reference for large-scale applications of the technology.
Highlights
The power Internet of Things (IoT) revolves around all aspects of the power system, fully applying modern information technologies such as artificial intelligence, mobile interconnection and advanced communication technologies to achieve interconnection of all things and human–computer interaction in all aspects of the power system [1]
Since the quantum virtual private network (QVPN) uses software technology to implement the SM4 algorithm, as an of the sameoforder of magnitude as AES algorithm to achieve performance, we should find algorithm the same order of magnitude as AESfails algorithm failsbetter to achieve better performance, we solutions from the software and hardware collaborative architecture to improve the performance of should find solutions from the software and hardware collaborative architecture to improve the performance of QVPN for SM4 algorithm
Complicated overhead power linestoinguarantee operation,the in performance order to guarantee the performance of quantum equipment with fast deviation feedback function is equipped, and quantum relay equipment is used to key distribution, quantum key distribution (QKD) equipment with fast deviation feedback function is equipped, and quantum guarantee the key rate on large-span lines
Summary
The power Internet of Things (IoT) revolves around all aspects of the power system, fully applying modern information technologies such as artificial intelligence, mobile interconnection and advanced communication technologies to achieve interconnection of all things and human–computer interaction in all aspects of the power system [1]. A multi-point power dispatching quantum key application strategy was proposed, which effectively improved the secure transmission level of the dispatching network. It did not take into account the actual operating environment [19,20]. The fast polarization feedback technology is adopted to solve the stability problem of overhead power line quantum key encryption Based on this, it is further combined with business attributes such as grid dispatching, power distribution automation, power information collection and video conference to build a secure and reliable communication network.
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