WDM systems are divided into three different wavelength patterns: normal (WDM), coarse (CWDM) and dense (DWDM). Coarse WDM provides up to 16 channels across multiple transmission windows of silica fibers.
Read More
Distribution automation (DA) is a family of technologies, including sensors, processors, information and communication networks, and switches, through which a utility can collect, automate, analyze, and optimize data to improve the operational efficiency of its distribution. From primary equipment to control centers, Hitachi Energy's comprehensive portfolio of distribution automation solutions enables utilities to see what is happening inside the distribution grid, ensuring efficient, reliable and uninterrupted operation, anywhere, anytime.
Read More
In recent years, active quasi-optics has emerged as one of the most dynamic fields of contemporary research—a highly unconventional approach to microwave and millimeter-wave power generation that integrates solid-state devices into a single quasi-optical component in which. In addition, we demonstrated a diode doubler grid with a record output of 24 mW at 1 THz. We also developed a series of Class-E amplifiers for communications and radar that are. Quasi optical (QO) systems are often used in high-field EPR and DNP systems to separate the incident microwave beam from the reflected beam. Furthermore, quasi optics is a versatile technology to build attenuators, universal polarizers, and beam splitters.
Read More
The first protective relays were electromagnetic devices, relying on coils operating on moving parts to provide detection of abnormal operating conditions such as over-current,, reverse flow, over-frequency, and under-frequency. In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected. Long term cost reduction (TCO) for trainings and maintenance by reduce variety of relays A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor.
Read More
Check Power Use: Find the wattage of each server, storage, and network device. Multiply by Quantity: Multiply each device's power use by the number of units. It is measured in kilowatts (kW) and represents the total power needed for all IT equipment in that rack. Power distribution inside a data center rack is more complex than many engineers expect. Each rack must safely deliver stable electrical power to dozens of servers, switches, and storage devices while maintaining reliability, airflow efficiency, and electrical safety. Power consumption directly affects operational costs, cooling requirements, and infrastructure planning.
Read More+48 22 538 72 19
ul. Postępu 14, 02-676 Warszawa, Poland