ZIV is a technology partner that provides HV, MV and LV solutions to TSOs, DSOs and EPCs across the globe.

National Grid Saudi Arabia has included ZIV Aplicaciones y Tecnología in the Unified Vendor List of “Technical Acceptable Manufacturers & Manufacturing Plants of SEC / National Grid S.A. “ for protection relays: Applications:  Medium voltage – up to 33kV 33 KV plain feeder OH, UG + Incomer Feeder 13.8 KV plain feeder OH, UG + Incomer Feeder High voltage – [...]

ABSTRACT This paper describes a new phase selector that operates reliably during many unfavorable conditions, such as high fault resistance, high load flow, power swing, Current Transformer (CT) saturation, converter-based generation, weak infeed. The phase selector is based on the angular relationship between the sequence current components and sequence voltage components. The use of voltages and currents is dynamically selected. [...]

Developing cybersecure solutions aiming to make HV, MV & LV networks safer and more sustainable Cybersecurity is a transversal and constantly evolving concept At ZIV we conceive cybersecurity not only as a product plus, or a market requirement. It is something as important as quality or safety at work, that is, it affects the entire company. We will possibly be [...]