Protection&Control Transmission Line Protection Busbar Protection Transformer Protection Circuit Breaker Protection Generator Protection Feeder Protection Capacitor Protection Motor Protection Transfer & Synchronization Arc Protection
Digital Substation PCS-221S Merging Unit PCS-221 Merging Unit PCS-222 Circuit Breaker Controller PCS-9250 AC Electronic CT/VT
Automation PCS-9700 Automation System PCS-9700 HMI Software PCS-9705 Bay Control Unit PCS-9705S Bay Control Unit PCS-9799 Station Manager PCS-9799S Station Manager PCS-9710 Remote Terminal Unit PCS-9710S Remote Terminal Unit PCS-9794 Protocol Converter PCS-9785 Satellite-Synchronized Clock PCS-9882 Ethernet Switch PCS-9882Rx DIN Rail Managed Ethernet Switch PCS-9882XD Managed Ethernet Switch PCS-9884 Managed Ethernet Switch Supporting HSR and PRP MUX-2M/64 Communication Interface
Phasor Measurement PCS-997S Fault Line Locator PCS-996S-G Phasor Data Concentrator PCS-996 Phasor Measurement Unit
Disturbance Fault Recording PCS-996RC Disturbance Fault Recorder PCS-996R Disturbance Fault Recorder PCS-986 Disturbance Fault Recorder PCS-9013 DFR Management System
Stability Control System PCS-992 Power Stability Control System PCS-993 Out-of-Step Controller PCS-994 Frequency & Voltage Controller PCS-994S Frequency and Voltage Controller
Power Grid Monitoring and Control PCS-9000 Energy Management System PCS-9000 Distribution Management System
Configuration Tool PCS-Torch MOT Tool PCS-Studio Configuration Tool PCS-Explorer IED Configuration & Debugging Tool PCS-SCD Configuration Tool PCS-COMM Configuration & Debugging Tool
Accessories MD1501 Series Auxiliary Relays MD1701 Series Test Blocks MD1701S Test Block
FACTS PCS-9580 Static Var Compensator PCS-9583 Static Synchronous Compensator PCS-9570 Series Compensation PCS-9590 DC De-Icer PCS-9578 Controllable Shunt Reactor PCS-8200 Unified Power Flow Controller PCS-9571 Fault Current Limiter PCS-9564A Dynamic Voltage Restorer PCS-9569 Shore Power System
HVDC PCS-8600 UHVDC Converter Valve System PCS-9550 LCC-HVDC Control and Protection System PCS-8100 VSC-HVDC IGBT Valve PCS-9520 VSC-HVDC Control and Protection System PCS-9510 Cooling System PCS-8300 High-voltage DC Circuit Breaker PCS-9250 DC Electronic CT/VT
PV & Wind Power Grid-Connection PCS-9561 Wind Energy Converter System PCS-9700 Renewable Energy SCADA PCS-9726 Generation Management Unit PCS-9700F Power Forecast System PCS-9700R AGC/AVC PCS-9563 PV Grid-Connected Inverter
Battery Energy Storage System PCS-8811CB Centralized energy storage system PCS-8812PB Liquid cooled energy storage cabinet PCS-8813CPB High voltage directly connected energy storage system PCS-9567A Power Conversion System PCS-9567C BESS Control Unit PCS-9700 Energy Storage System
Microgrid PCS-9617MG Microgrid Controller
Static Frequency Converter PCS-9575 Static Frequency Converter
Protection,Automation&Control DMS EMS Stability Control & WAMS Digital Substation
HVDC & FACTS De-Icing Unified Power Flow Controller (UPFC) Series Compensation Static Synchronous Compensator(STATCOM) Static Var Compensator (SVC) LCC-HVDC Transmission VSC-HVDC Transmission
Renewable & Microgrid Energy Storage System Microgrid PV Generation SFC
Power Generation Pumped Storage Power Plant Nuclear Power Plant Hydro Power Plant Thermal Power Plant
Transmission System AC Transmission LCC-HVDC Transmission VSC-HVDC Transmission
Distribution System Distribution Network
Industrial Consumer Urban Track Traffic Electrified Railway Oil & Petrochemical Metals & Mining
Recently, the first unit of Zungeru hydropower station in Nigeria was successfully commissioned and realized power generation, which laid a good foundation for the power generation of subsequent units.
NR has designed hydropower unit protection solutions for the project and provided key equipment such as generator transformer unit protection and switchyard protection.
Zungeru hydropower station is located in the middle and upper reaches of Kaduna river near Zungeru Town, Niger, Nigeria. With a total installed capacity of 700MW and four 175MW turbines, it is the largest hydropower station built in Nigeria.
The power station mainly generates electricity, and has the comprehensive utilization efficiency of flood control, irrigation, water supply, aquaculture, shipping and so on. The project is EPC contracted by the "CNEEC-Sinohydro" consortium composed of CNEEC and Sinohydro. The project construction also solved the employment problem of more than 4000 local people.
After completion, the average annual power generation is 2.64 billion kWh, which can meet the power consumption of two cities similar to Abuja, the capital of Nigeria. It plays an important role in improving Nigeria's power shortage, enhancing the stability and sustainable power supply capacity of the power grid, and improving people's living standards.
The generator transformer unit protection provided by NR for the project adopts variable data window vector algorithm, injection stator grounding phase angle dynamic compensation and other technologies to improve the calculation and measurement accuracy of protection element quantity and grounding resistance under different operating conditions of the unit.
At the same time, the protection device adopts the full modular configuration scheme, protection logic and hardware interface can be flexibly configured, which can meet the complex application requirements on site.
NR helps the smooth implementation of Zungeru hydropower station with advanced technology, excellent products and professional services.
Facing Covid-19 severe challenges, NR technical staff worked together with construction units to advance the epidemic prevention work. Timely and efficient completion of on-site commissioning has been highly praised by customers.
NR local engineering team has the ability to independently complete the commissioning of each voltage level system, can provide customers with timely pre-sales and after-sales technical support, and has won a good reputation among users.