Governor Systems
Digital hydraulic turbine governor systems for hydropower plants and pumped storage units, supporting precise speed regulation, hydraulic control, load adjustment, and stable unit operation under different operating conditions.
1993
First Programmable Microcomputer Governor
Developed China’s first programmable microcomputer-based governor.
1994
First Dual-Regulation Governor with AGC
Applied at Guangxi Dahua Power Plant, realizing China’s first AGC regulation function.
1996
First Step-Type Microcomputer Governor
Developed China’s first step-type microcomputer governor.
1999
First Pumped-Storage Governor
Put into operation at Hubei Tiantang Power Station.
2003
PCC Intelligent Turbine Governor
Became a domestic supplier for large pumped-storage governors and developed the PCC intelligent turbine governor.
2004
National Industrialization Base
Recognized as the National Hydraulic Turbine Governor Industrialization Base.
2006
Baishan Pumped-Storage Governor System
Independently designed and commissioned the Baishan pumped-storage governor system.
2011
MGC4000 at Three Gorges
MGC4000 governor put into operation at Three Gorges Underground Power Station.
2014
MGC4000 in Major Hydropower Stations
Applied at Xiangjiaba, Xiluodu, and Jinping-II hydropower stations.
GOVERNOR SYSTEM PRODUCT PORTFOLIO
NSD Electric provides intelligent hydraulic turbine governor systems for small, medium, and large hydropower and pumped-storage units, delivering precise speed regulation, stable operation, and reliable long-term performance.

MGC4000
Medium, Large & Ultra-Large Units
High-reliability turbine governor system with dual-controller cross-redundant hot standby, fault tolerance, anti-interference design, and overvoltage protection. Suitable for Francis, Kaplan, bulb, and single/double-regulation hydropower units.

MGC6000
Pumped-Storage Reversible Units
Cross fully redundant governor system designed for pumped-storage power stations. Dual programmable controllers communicate via TCP/IP and support multiple operating modes including turbine, generator, phase modulation, motor, pump phase modulation, and pump operation.

MGC7000
Pelton Turbine Units
Dedicated governor system for Pelton turbine units, featuring multi-nozzle coordinated control and independent nozzle adjustment to optimize regulation performance and maintain high unit efficiency.
Contact Us
Tell us about your hydropower or power control project. Our team will respond with support for governor systems, excitation systems, automation, retrofit solutions, spare parts, or technical service.

