Xiluodu Hydropower Station Retrofit Project
Retrofit & Modernization | China | 9 × 770 MW
NSD Electric completed domestic replacement and intelligent upgrade of key control systems at Xiluodu, improving reliability and frequency-response performance for giant hydropower units.
Jinsha River, China
9 × 770 MW
18 Governor Sets / 9 Excitation Sets
2018-2021
Localization + Frequency Control Upgrade
Project Overview
The Xiluodu Hydropower Station Retrofit Project is a major modernization project on the Jinsha River, covering the left-bank 9 × 770 MW giant hydropower units. It is a strategic power hub in Southwest China.
NSD Electric delivered 18 sets of MGC4000 giant-unit digital governor systems for full replacement of aging imported equipment, 9 sets of TG6000 fiber-optic excitation systems, and multiple LCU, auxiliary control, and oil-pressure devices. The project also included unit control modeling and primary frequency-control optimization.
The retrofit solved long-term maintenance issues associated with imported legacy systems and significantly improved grid stability, control precision, and operational reliability.
NSD Scope of Supply
Governor Replacement
18 MGC4000 digital governor systems for giant hydropower units.
Excitation Upgrade
9 TG6000 fiber-optic excitation systems for plant modernization.
Auxiliary Control
LCU, oil-pressure devices, and integrated support systems.
Performance Optimization
Modeling and primary frequency-control enhancement services.
Technical Highlights
Full domestic replacement for aging imported control equipment.
High control accuracy for 770 MW large-capacity units.
Upgraded primary frequency-control capability for grid support.
A mature benchmark for giant hydropower modernization projects.
Need Support for a Hydropower Retrofit Project?
NSD Electric helps hydropower plants worldwide with governor systems, excitation systems,automation retrofits, spare parts, and technical service to enhance performance and reliability.