Calculation of setting values ​​for distribution network relay protection

Calculation of setting values ​​for distribution network relay protection

This calculator performs basic distribution system protection calculations, including base current, secondary current, plug setting multiplier, and relay operating time. The selected protection principle affects the operating speed of the protection, which has a significant im-pact on the harm caused by short circuits. Calculation Example: This calculator helps in determining the settings and operating time of overcurrent relays in a distribution. This technical report refers to the electrical protections of all 132kV switchgear. [pdf]

Setting up a cable fiber optic network router

Setting up a cable fiber optic network router

To set up your router for fiber internet quickly, connect the router to your fiber modem, access the router's settings via a web browser, and input the provided ISP credentials. Make sure to update the firmware, configure Wi-Fi security, and customize your network name for. However, setting up a fiber optic connection to your router can seem daunting if you're unfamiliar with the process. Why Use Fiber Optic Internet? Before diving into the setup, let's quickly. This guide walks you through the complete fiber installation process, from checking availability to optimizing your Wi-Fi network performance. [pdf]

K in the network cabinet

K in the network cabinet

The Kensington Security Slot (also called a K-Slot or Kensington lock) is an for hardware electronics such as, and others. It is a small, metal-reinforced hole used for attaching a lock-and-cable apparatus. It is produced by. [pdf]

Aggregation switch divides network segments and network segments

Aggregation switch divides network segments and network segments

An aggregation switch is a network device that consolidates traffic from multiple access switches, wireless access points, or other edge devices and forwards it to core switches or routers. Network segmentation divides a computer network into smaller, isolated segments to control and restrict communication. It enhances security by limiting unauthorized access and containing potential threats within defined boundaries. This arrangement increases throughput beyond what a single relationship could. [pdf]

Use an optical splitter to connect two network cables

Use an optical splitter to connect two network cables

You use optical couplers and splitters to split or join signals in fiber networks. However, connecting one splitter to another—also known as cascading splitters—can be tricky. Also known as optical splitters, fiber splitters, or beam splitters, these devices are integrated waveguides ensuring wide bandwidth and minimal loss in high-frequency applications. It plays a vital role in optical fiber communication systems, especially in passive optical networks (PONs). [pdf]

Need Precision Optical Test Instruments?

Request a free quote for OTDR, power meters, light sources, spectrum analyzers, return loss testers, VFL, or complete fiber test kits. EU‑owned manufacturer with local support in South Africa – reliable, accurate, and field‑proven equipment.