Employ the SEL-TMU for remote data acquisition in substations with Time-Domain Link (TiDL®) technology systems. It can share data with up to four TiDL relays. Provide high-speed transformer diferenti...
Contact online >>
A full visual, mechanical, and electrical test should be performed every 24 months for electromechanical and solid-state relays, and every 36 months for microprocessor relays.
View more
There are many types of protective relay functions, but this presentation will focus on the most common type, basic overcurrent device 50/51 (instantaneous and time overcurrent).
View more
Transformer Fuse Recloser Recloser Controller Recloser Time Current Curves Questions?
View more
Provide bus diferential and breaker failure protection, automation, and control in applications with up to seven terminals per relay. Employ the SEL-TMU for remote data acquisition in substations with Time
View more
Comprehensive overview of substation relay protection targets: from generator stator faults to HV motor loss-of-sync and capacitor overvoltage.
View more
A simple electromechanical overcurrent relay has basically two settings: a tap setting for the pickup of the relay and the time dial to determine the time delay until trip, if any.
View more
This comprehensive article delves into the key aspects of relay protection in HV/MV substations, including calculations, settings, coordination, selection, and validation, which are all...
View more
No substation protection philosophy survives if the breaker cannot interrupt the available fault current within its mechanical and thermal limits. Protection settings that ignore interrupting
View more
As the protected components of the electrical systems have changed in size, configuration and their critical roles in the power system supply, some protection aspects need to be revisited (i.e. the use of
View more
A full visual, mechanical, and electrical test should be performed every 24 months for electromechanical and solid-state relays, and every 36
View more
Precision Time Protocol (PTP) is a time synchronisation system that uses the substation LAN, rather than a dedicated time distribution system, that can synchronise protection relays, merging units and
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]