2018
DOI: 10.1007/s40565-018-0406-4
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Cloud-based parallel power flow calculation using resilient distributed datasets and directed acyclic graph

Abstract: With the integration of distributed generation and the construction of cross-regional long-distance power grids, power systems become larger and more complex. They require faster computing speed and better scalability for power flow calculations to support unit dispatch. Based on the analysis of a variety of parallelization methods, this paper deploys the large-scale power flow calculation task on a cloud computing platform using resilient distributed datasets (RDDs). It optimizes a directed acyclic graph that… Show more

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Cited by 15 publications
(7 citation statements)
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“…There are three fundamental aspects presented in Spark, which are [18]: resilient distributed datasets (RDDs), parallel operations, and shared variables. RDDs are a sharedmachine-based collection of objects that can be restored in the case of loss.…”
Section: Spark Platformmentioning
confidence: 99%
“…There are three fundamental aspects presented in Spark, which are [18]: resilient distributed datasets (RDDs), parallel operations, and shared variables. RDDs are a sharedmachine-based collection of objects that can be restored in the case of loss.…”
Section: Spark Platformmentioning
confidence: 99%
“…The difference of the parameter updating between the loss functions in (3) and (5) shows up in (11). From (6) and (7), we can further decompose it into (14) and (17) In equations (16) and (17), Y is the output vector of the PPF; ̂ is the (normalized) output of the DNN; ̂ is the antinormalized value of ̂; and ⊙ is a Hadamard multiplier.…”
Section: B Loss Function Design Based On the Power Flow Equationsmentioning
confidence: 99%
“…There have also been proposed parallel methods to improve the efficiency of the PPF. The parallel methods can dramatically accelerate the speed using multiple GPUs [15] or cloud-computing platforms [16] without loss of accuracy. However, the hardware deployment requirement makes these methods difficult to adopt in industry.…”
Section: B Literature Review and Backgroundmentioning
confidence: 99%
“…With the rapid development of electrified railways, the study of their main power supply method -the AT power supply method -is extremely important. By writing a program that transfers the complex process of calculating AT power supply system currents to a computer, the calculation speed and efficiency are greatly improved [1][2][3] .…”
Section: Introductionmentioning
confidence: 99%