Gezhouba Hydropower Station

Large Hydropower | China | 2,735 MW

NSD Electric upgraded the governor systems for 14 generating units,replacing the original imported system with NSD’s MGC4000governor solution

Project Type
Large Hydropower
Location
Yichang, Hubei
China
Capacity
2,735 MW
NSD Scope Smart Retrofit + Auxiliary Control
Project Year
Implemented in phases since 2013.
Units
19 Governor Sets / 21 Excitation Sets

Project Overview

Gezhouba Hydropower Station on the Yangtze River is China’s first large integrated water conservancy hub, with a total installed capacity of 2,735 MW and a long operating history in power generation and river management.

NSD Electric delivered 19 governor system upgrades, 21 excitation system upgrades, and multiple monitoring and auxiliary control systems. The project scope covered aging equipment replacement, control system modernization, commissioning, and ongoing operation and maintenance support.

The retrofit improved control precision and operating stability while minimizing outage impact, providing a proven solution for modernization of large legacy hydropower fleets.


NSD Scope of Supply

Governor Retrofit

Upgrade of legacy governor systems for more accurate regulation.

Excitation Retrofit

21 excitation system upgrades for improved electrical performance.

Monitoring & Auxiliary Control

Multiple plant control subsystems for reliable station operation.

O&M Support

Commissioning, technical service, and long-term maintenance support.


Technical Highlights

Legacy Plant Upgrade

A mature modernization solution for a flagship hydropower station.

Strong Compatibility

Excellent integration with legacy equipment and plant architecture.

Minimal Outage Impact

Retrofit execution designed to reduce interruption to generation.

Longer Service Life

Higher reliability and extended life for aging hydropower assets.

Need Support for a Hydropower Project?

Contact NSD Electric to discuss turbine governor systems, excitation systems, automation, retrofit solutions, spare parts, or technical service for your hydropower project.