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.

NSD Electric hydropower control solutions

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.
NSD MGC4000 governor system control cabinet for hydropower turbine regulation

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.

NSD MGC6000 governor system control cabinet for pumped storage 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.

NSD MGC7000 governor system control cabinet for Pelton turbine control applications

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.