PASIFFIRE SA LEADING PASSIVE FIRE PROTECTION IN SOUTH AFRICA

Function of Relay Protection Tester in West Africa

Function of Relay Protection Tester in West Africa

The relay protection tester is an indispensable piece of equipment in power system testing; its core functions are designed to comprehensively verify the operational characteristics and reliability of relay protection devices under various operating conditions. At GK Expertise, we provide comprehensive relay testing services in Africa, supporting utilities, substations, railways, industries, and EPC contractors with advanced protection, maintenance, and commissioning solutions. Megger's FREJA and SMRT series of relay test sets has been engineered to offer a full range of testing solutions built around flexibility and customisation to meet needs for single-phase or three-phase testing. These test sets combine high compliance voltage with high current, enabling you to test.

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South Africa provides technical support for OSFP silicon photonics technology

South Africa provides technical support for OSFP silicon photonics technology

The Department of Science and Innovation-CSIR Photonics Prototyping Facility (PPF) is addressing this innovation chasm by providing world-class facilities, technical support, equipment, and scarce skills to assist in industrialising the untapped potential. The company specializes in providing a wide range of technology solutions, including the MikroTik SFP+ Module 10G/SM 1310nm network transceiver, which supports high-speed fiber optic connectivity. This offering highlights their capability to assist organizations in optimizing their technology. Based on funding made available by the DSI, the ALC in South Africa supports four programmes, which are the ALC Research Collaboration Programme, the ALC Scholarship Programme, the ALC Training Programme and the ALC Kno anufacturing technology. The facility, funded by the Department of Science and Innovation (DSI), seeks to enhance the development of photonics-based products, particularly in the.

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South Africa Aggregation Switch 10G

South Africa Aggregation Switch 10G

The Ubiquiti UniFi Aggregation Switch is a powerful networking solution ideal for South African businesses seeking reliable high-speed connections. It provides eight 10G SFP+ ports, making it a suitable core for aggregating multiple switches and devices in your UniFi network deployment. This rack-mountable switch also offers 160 Gbps switching capacity and features a 1.

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What are the protection devices for optical communication

What are the protection devices for optical communication

As the criticality of optical transport networks necessitates robust protection mechanisms to ensure uninterrupted communication, OTN layer protection, including OCH, OMS, and OTS protection, plays a vital role in safeguarding optical communication paths. We address emerging threats to the security of optical networks, mainly loss of the confidentiality of user data transmitted through optical bers and disturbances of network control, both of which could seriously damage the entire network. However, there are several ways to obtain part of a signal from a fiber without the user finding out that it is being tapped.

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220kV relay protection operating time

220kV relay protection operating time

For high fault resistance ground faults, the operating time of the protection is usually stepped from m 1–3 seconds and operating times are harmonised with the protection of the main grid. The 110 and 220 kV lines of the main grid are protected by means of two primary protection schemes (two distance relays or a distance and a differential line relay) or a primary protection relay (distance relay) and a backup protection relay (overcurrent and earth fault relay). Time-graded protection is implemented using overcurrent relays with either definite time characteristic or inverse time characteristic. The numerical terminals referred as IED (Intelligent electronic device) contain apart. In case of Long Line, followed by Short Line, the above mentioned Formula may not give us margin against possible underreaching. Inverse time delay, on the other hand, depends on the current magnitude so, the higher the current, the shorter the delay.

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