ALLPCB
Firestopping Requirements for Cable Trays and Wall/Slab Penetrations
Technical guide to firestopping cable tray and slab penetrations in electrical shafts; specifies materials, packing limits, waterstop heights and installation sequence.
Four Methods for Wind Turbine Yaw Control
Technical overview of wind turbine yaw system: common control approaches, yaw drive and brake design, key components including sensors and controller.
Zero-Sequence vs. Residual Current Protection
Explore zero-sequence vs. residual current protection for effective ground fault detection in electrical systems.
High-Voltage Switchgear: Internal Structure
Overview of high-voltage switchgear: enclosure, vacuum circuit breaker, withdrawable truck, five safety interlocks, operation procedures, tests and fault diagnosis.
Why Power Plants Step Up Voltage at Substations
Explains substations' role in the power supply chain: voltage transformation, step-up/step-down functions, loss reduction, substation siting, and ELF field basics.
High-Voltage vs Low-Voltage Power Transmission
Overview of transmission voltage categories and trade-offs, focusing on extra-high-voltage and ultra-high-voltage impacts on losses, equipment cost, and safety.
High-Voltage Transmission: AC vs DC and Loss Reduction
Overview of AC and DC high-voltage transmission, UHV thresholds and applications, with practical methods to reduce losses for efficient long-distance power transfer.
Nine Common DC-DC Buck Converter Issues
Explore 9 common DC-DC buck converter issues and troubleshooting tips for optimal performance in power electronics design.
Benefits and Drawbacks of Smart Meters
Overview of smart meter functionality, benefits, and trade-offs: accurate billing, real-time monitoring, remote readings, fault detection, network dependency, and privacy risks.
10kV Switchgear Control and Protection
Overview of 10 kV switchgear components and troubleshooting, covering isolating switches, vacuum circuit breakers, protection relays, insulation and mechanical faults.