Huazheng Innovation: The Global Leading Relay Protection Tester Company Delivering Solutions for Modern Grids

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.
National Academies of Sciences%2c Engineering%2c and Medicine

Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses

The Panel on Frequency Allocations and Spectrum Protection for Scientific Uses calls attention to the statement of task of the National Research Council’s Committee on Radio Frequencies 1 (CORF): ...
T&D

Hawaiian Electric Company Cites Under-Frequency Protection as a Key Benefit of Direct Load Management Program

Hawaiian Electric Company, Inc. (HECO) is implementing a system-wide direct load management program that will provide a solid foundation for reducing peak electrical demand and provide its customers ...
Electronic Design

Low-Frequency Accelerometer Increases Overload Protection

The Model JTF accelerometer has been redesigned for additional overload protection to 20 times its range, and frequency ranges have been extended from 0 to 2,400 Hz. The JTF also has a new lightweight ...