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Systems and methods for real-time DC microgrid power analytics for mission-critical power systems

專利號(hào)
US10867087B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
WaveTech Global Inc.（US NJ Hoboken）
發(fā)明人
Kevin Meagher; Brian Radibratovic; Adib Nasle
IPC分類
G06F17/50; G06F30/20; H02J13/00; H04L29/08; G06F30/00; G05F1/66; H02J3/00; G06F30/367; G06F119/06
技術(shù)領(lǐng)域
system,analytics,power,in,data,electrical,real,virtual,can,be
地域： NJ NJ Hoboken

摘要

Systems and methods for performing power analytics on a microgrid. In an embodiment, predicted data is generated for the microgrid utilizing a virtual system model of the microgrid, which comprises a virtual representation of a topology of the microgrid. Real-time data is received via a portal from at least one external data source. If the difference between the real-time data and the predicted data exceeds a threshold, a calibration and synchronization operation is initiated to update the virtual system model in real-time. Power analytics may be performed on the virtual system model to generate analytical data, which can be returned via the portal.

說(shuō)明書(shū)

For example, for LVCBs, or MCCBs, the short circuit current, symmetric (Isym) or asymmetric (Iasym), and/or the peak current (Ipeak) can be determined in step 1102. For, e.g., LVCBs that are not instantaneous trip circuit breakers, the short circuit current at a delayed time (Isymdelay) can be determined. For HVCBs, a first cycle short circuit current (Isym) and/or Ipeak can be determined in step 1102. For fuses or switches, the short circuit current, symmetric or asymmetric, can be determined in step 1102. And for MVCBs the short circuit current interrupting time can be calculated. These are just some examples of the types of short circuit analysis that can be performed in Step 1102 depending on the type of protective device being analyzed.

Once the short circuit analysis is performed in step 1102, various steps can be carried out in order to determine the bracing capability of the protective device. For example, if the protective device is a fuse or switch, then the steps on the left-hand side of FIG. 11 can be carried out. In this case, the fuse rating can first be determined in step 1104. In this case, the fuse rating can be the current rating for the fuse. For certain fuses, the X/R can be calculated in step 1105 and the asymmetric short circuit current (Iasym) for the fuse can be determined in step 1106 using equation 1.
IASYM=ISYM√{square root over (1+2e?2p(X/R))}Eq 1:

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