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GWZC-9000 Drainage Pumping Station Automation System
Drainage Pumping Station Automation System—Forging a New Urban Flood Control Ecosystem
Drainage pump stations employ electromechanical systems for active water discharge, IoT and AI for precise regulation, and backup power for reliability. Digital twin platforms optimize decision-making with failure prediction and damage assessment. Each ¥100M investment reduces annual losses by ¥230M while saving 30% energy, as proven by Tokyo's flood defense system.
2025/07/23
Hydropower Station
Comprehensive Analysis of the Yarlung Zangbo River Hydropower Station
Massive hydropower potential, extreme seismic/geological challenges, unprecedented engineering (tunnels, dam, turbines), sensitive ecology, and critical transboundary impacts.​
2025/07/22
VT (Voltage Transformer ) Protection RelayRear View
Comprehensive Protection Relay: Full Analysis​
A comprehensive protection relay is an intelligent device that safeguards electrical systems by detecting faults (e.g., overcurrent, short circuits) and isolating affected equipment. It integrates multiple protection functions, ensures system reliability, and prevents damage. This guide covers its definition, working principle, protection targets, activation conditions, and outcomes.
2025/07/18
Marine Switchboard
Marine Switchboard Market Share Analysis and Development Trend Analysis
Conclusion: European players maintain short-term dominance in premium segments, but Chinese manufacturers are rapidly gaining ground through cost and scale advantages. Future competition will center on smart functionalities, green compatibility, and modular innovation, with technological agility determining market repositioning.
2025/07/17
technical knowledge More
Motor Protection RelayRear View
Functions and Principles of Motor Stall Protection
Motor stall protection is a mechanism designed to prevent motor damage from overheating due to sustained stall currents caused by excessive load or mechanical jamming. During stalling, motor current surges rapidly. Failure to promptly cut off power may result in burnt windings or equipment damage. This protection rapidly activates by monitoring parameters such as current, temperature, or rotational speed upon stalling, either disconnecting power or triggering alarms to ensure motor safety and extend equipment lifespan.
2025/08/04
marine generator protection relay
What relay protection functions should be configured for a marine generator?
Generator protection devices must include at least the following core protection functions. Additional functions may be required depending on system configuration (e.g., generator capacity, parallel operation, neutral grounding method): 1.Overcurrent Protection (50/51):           Instantaneous Overcurrent (50): Clears severe phase-to-phase short-circuit faults with extremely fast operation (millisecond level).           Definite Time / Inverse Time Overcurrent (51): Clears remote or moderate overloads and short-circuit faults, providing backup protection. Must coordinate with downstream protection (e.g., feeder breakers) to ensure selectivity. Inverse time characteristics better match equipment thermal withstand capability.           Short-Circuit Backup Protection: Typically provided by overcurrent protection (51), acting as backup to primary protection (e.g., differential).
2025/08/04
low-voltage switchgear
Low Voltage Switchboard: Functions
A Low Voltage Switchboard (LVS) is a critical distribution apparatus within an electrical power system. Typically located at the end of the distribution network (downstream of step-down transformers), it supplies power directly to various electrical loads. Its primary functions are summarized as follows:
2025/08/04
Mining switchgear
Differences Between Underground Mining Switchgears and Ordinary Surface Switchgears
This page introduces the main differences between underground mining switchgears and ordinary surface switchgears. It analyzes their distinctions in terms of environment, safety standards, and functions. For details, please log on to the website for more information!
2025/07/28
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