Tlaletso Global Photonics (TGO) designs and manufactures laser diodes, VCSEL, DFB lasers, laser drivers, CDR circuits, optical modulators, TIAs, co-packaged optics, silicon photonics, linear drive plu...
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A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor technology protect staff and plant facilities for many years.
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Conventional differential protection methods are facing difficulties in the presence of WFs. This research proposes a data-driven approach to determine the effects of several scenarios
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Abstract: Wind farms (WFs) are increasingly integrated with high-voltage (HV) grids, for which distance relaying is normally the protection of choice. This paper reveals some serious defects
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Eaton''s protective relays provide you with unique microprocessor-based devices that eliminate unnecessary trips, isolate faults, protect motors and breakers, and
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To solve this issue, two innovative protection methods are proposed. The first method is based on time coordination between distance relays, where a small time delay is applied to the relay protecting the
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Distance relaying is used to detect faults on long-distance lines, pinpointing not only the fault condition but also measuring the distance between the current sensing mechanism and the fault location in the
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M. Kezunovic, A. Abur, “Protective Relay Workstation Applications of Digital Simulators for Protective Relay Studies: System Requirement Specifications,” Final Report, EPRI Project 3192-01, Phase I,
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In this section, the performance of a conventional distance relay located at the terminal of a DFIG-based WF during balanced and unbalanced faults is illustrated and the challenges associ-ated with the
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This paper tries to identify and assess the parameters that affected the distance relays of TLs connected to WFs.
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In this article, a novel autoregressive (AR) coefficient based intelligent protection scheme that encompasses various power system conditions and considers a range of features for the protection
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Protective relays and devices have been developed over 100 years ago to provide “lastline”of defense for the electrical systems. They are intended to quickly identify a fault and isolate it so the balance of
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This paper tries to identify and assess the parameters that affected the distance relays of TLs connected to WFs.
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To address the high complexity and diversity of faults in relay protection devices, as well as the challenges in fault feature extraction that affect fault identification accuracy, an adaptive
View moreHigh-power CW/pulsed laser diodes (808nm–1550nm) and VCSEL arrays for 3D sensing, LIDAR, and optical interconnects.
Co-packaged optics engines, silicon photonics ICs, and optical I/O solutions for high-density switches and AI clusters.
400G/800G QSFP-DD/OSFP modules, active optical cables, and custom optical engines for data center interconnects.
Low-jitter laser drivers, integrated CDR circuits, and linear TIAs for coherent optics and short-reach links.
We provide custom laser diodes, VCSEL arrays, DFB lasers, drivers, CDR, modulators, TIAs, co-packaged optics, silicon photonics, LPO, transceivers, and AOCs.
From prototype to mass production, our team ensures premium quality and technical support.
23 Photonics Avenue, Techno Park, Stellenbosch, 7600, South Africa
+27 63 148 2975 | +27 63 148 2975 | [email protected]