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Hydropower turbine speed control solution

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Hydropower turbine speed control solution

S5T is an agent of Nexus Controls, supplying hydroelectric turbine speed control solution since 2019, has upgraded many units of Song Pha Hydropower Plants, An Khe Hydropower Plants, Buon Tua Srah Hydropower Plants… Products has shown its effectiveness in optimizing performance, saving costs, and at the same time convenient for warranty, repair and upgrade.

PRODUCT INFORMATION

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In recent years, the development of renewable energy sources such as wind power and solar power has put more pressure on the stability of the power system because these energy sources change from time to time and are greatly influenced by weather conditions. weather. To overcome the above situation, as well as meet the actual needs, factories are required to comply with the directive on frequency regulation issued by the state. Therefore, choosing the hydro turbine speed control solution – Nexus Controls provided by S5T is the solution that meets the law, while helping to increase efficiency, save costs, and optimize operation for users.

Significance of installing Nexus Controls turbine speed control solution for hydro power plant

With hydroelectric turbines, speed regulation is essentially regulating the flow of water into the turbine by changing the blade opening. The important task is to sense even the smallest change, to ensure the necessary balance in the system. Currently, Nexus Controls is known as the leading prestigious brand in the world, providing speed control equipment for hydroelectric plants. Through the process of actual installation and deployment, the product has shown its effectiveness in optimizing performance, saving costs, and at the same time convenient for warranty, repair and upgrade:

  • The product helps to improve automation compared to old systems.
  • Stay up-to-date with the latest hardware and software technologies, ensure easy purchase of spare supplies, convenient availability, long-term technical support and back-up from the manufacturer.
  • Meet the requirements from current circulars and decrees such as TT25/2016/TT-BCT and TT30/2016/TT-BCT, which the older systems do not support because they were designed before the circulars decree was made.

Nexus Controls hydro turbine speed control solution components

Hardware devices:

  • Electrical control cabinet: Including central controller (PLC controller), I/O modules: DI, DO, AI, AO, Speed measurement and protection module, valve control module, power converter…

Nexus_Controls_hydro_turbine_speed_control_solution

Operating Nexus Controls hydro turbine speed control solution

  • Hydraulic mechanical devices: proportional control valve, manual control valve, emergency stop valve, vane servomotor…
  • Measurement sensors: speed sensor, hydraulic oil pressure sensor, vane opening sensor (position feedback sensor)…

Software device:

Software Optimum C:

+ It is a software that integrates programming tools for controllers, building operating interfaces, and storing historical data.

+ The software is developed by the manufacturer of Nexus Controls itself.

+ OptimumC software is used to connect the speed controller to ensure repair, testing, calibration, and troubleshooting (software that connects the computer to the PLC for testing and calibration; software to capture waves and standardize errors. ).

+ Optimum C software is open design so that the user can change the operating parameters when necessary.

Service:

  • Calculation and hydraulic system design services.
  • Service of providing equipment, replacing, configuring mechanical and electric speed regulation systems, including: control valves, proportional valves, servos to control vanes, sensors, speed controller systems .
  • Service of providing equipment, replacing, configuring the speed control oil pump system, including: oil pump engine, safety valves, pressure relief valve, pressure oil tank.
  • Testing and calibration service of speed regulation devices in compliance with operating requirements in Vietnam such as: Circular 25/2016/TT-BCT and Circular 30/2019/TT-BCT and current regulations.

Operation_manual_of_hydro_turbine_speed_control_solution

Operation manual of hydro turbine speed control solution

Application of speed control system in factories

The Nexus Controls provided by S5T can be used in all units of the hydro power plant.

The process of upgrading the hydro turbine speed control solution

  • Step 1: Receive information from customers.
  • Step 2: Conduct a survey to collect information about the existing system, the existence and needs of customers.
  • Step 3: Provide solution and approve preliminary design.
  • Step 4: Provide detailed design and design approval.
  • Step 5: Carry out installation, test run at the site.
  • Step 6: Training technology transfer for customers.

S5t_installs_hydroelectric_speed_regulation_system

S5T engineer and customer in the project of installing Nexus Oncore hydroelectric speed control system

Why choose to install the Nexus Oncore throttle system provided by S5T?

Meeting actual needs according to state laws

In order to meet the requirements of power system stability, the Ministry of Industry and Trade issued Circulars No. 25/2016/TT-BCT and Circular 30/2019/TT-BCT on requiring units with a capacity of ≥30MW to perform Primary, secondary and PSS frequency modulated. Facing the new requirements of the power system for units with a capacity of >30MW, the plants have two solutions to solve the above problem: Adjust, test on the existing speed control system or replace the system. old speed regulation by a new modern system, meeting the requirements promulgated by the state.

For calibration and replacement, the job is often difficult because the hardware equipment is often too old, the software is too outdated, and it is not suitable to calibrate to meet the frequency regulation requirements. The reality also shows that there are very few successful units with this option. Therefore, the Nexus Oncore accelerator system provided by the S5T is the solution to the above problem. We are an agent of Nexus Controls since 2019, have upgraded many units of Song Pha Hydropower Plants, An Khe Hydropower Plants, Buon Tua Srah Hydropower Plants…

Sales agent capacity – S5T

S5T owns a team of experienced experts with in-depth knowledge, who have participated in many practical projects such as:

  • Supply and installation of speed regulation equipment for generating set H2 of Song Pha Power Plant (2019).
  • Replace the speed control system of unit H2 – An Khe Hydropower Plant (2020).
  • Supply and installation of speed control equipment for generating sets H1 & H3 of Song Pha Power Plant (2022).
  • Upgrading the electric speed regulator of unit H1 – Buon Tua Srah Hydropower Plant (2022).
  • Supply of materials, equipment, installation of speed control system for Unit H1 – Quang Tri Hydropower Plant (2022).
  • Provide speed regulation system and attached technical services for unit H1 – An Khe Hydropower Plant (2022).
  • Procurement, installation and replacement of speed control system for Unit H2 – Song Ba Ha Hydropower Plant (2023).

During the implementation of projects, S5T engineers always follow up, ready to support customers anytime, anywhere, by methods: remote support, live support in the field. After implementing the projects, our customers appreciate the application of the latest technology of the following manufacturers: Nexus Controls (control part), Rexroth, Atos, HYDAC (hydraulic mechanical part) … As a result of putting into operation, the products have also shown to make positive contributions in increasing efficiency, optimizing production costs, and increasing equipment reliability. In addition, the professional sales process from consulting, design, installation, transfer, warranty and support is also a strong point of S5T.

To receive more information about hydro turbine speed control solution or service and goods related to the accelerator system, as well as similar information, please send an inquiry to the mailbox, or contact us:

  • S5T Vietnam Technology and Solution Joint Stock Company.
  • Address: Lot B15, Duong Noi Resettlement Area, Duong Noi, Ha Dong, Hanoi.
  • Tel: 0243 540 1858 – Fax: 0243 540 1859
  • Email: info@s5t.com.vn
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Customers and partners need more advice about our products and services, please contact Hotline 0243 540 1858 or leave information for a free consultation.

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