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Smart Microgrid

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Smart Microgrid

Smart microgrids are the core of smart energy efficiency solutions which are able to improve proportion of renewable energy by providing multi-energy cooperation networks; monitoring and diagnosis systems, communication systems and data cloud platforms.

 

Goldwind’s smart microgrid consists of wind turbines, PV solar, micro-turbines, diesel generators, various energy storage units (VRB, Li-ion battery and supercapacitor) and loads with integrated intelligent control technology. It can operate either in island or grid-connected modes in coordination with the main grid. It has a high renewable energy penetration level and serves as highly reliable and optimal energy management system.

Goldwind is participating in and leading the development of 3 IEC standards for microgrids:
  • IEC/TS 62898-1 Ed.1: “Microgrids-Guidelines for general planning and design”

  • IEC/TS 62898-2 Ed.1: “Microgrids-Guidelines for operation (and control)”

  • IEC/TS 62898-3-1 Ed.1: “Microgrids-Technical Requirements-Protection”

Core
advantages
  • Controlling the system to maximize the proportion of renewable resources

  • Minimum investment on energy storage units

  • Lower energy consumption

  • Environmental-friendly energy

Goldwind’s smart microgrid solution

Product/service, project investment, financial leasing, EPC
  • Project Development
    • Project consulting

    • Project development

    • Project financing

  • Product Supply
    • +

      Dynamic Stability Control and Protection System
      Provide the solution to instability problem of high penetration renewable energy.

    • +

      Transient Stability Control and Protection System
      Provide seamless transitions between grid-connected and island mode of microgrid and restrain the changes of voltage and frequency caused by instantaneous disturbances.

    • +

      Smart Monitoring and Control System
      Provide state of loads and control the operation of loads

    • +

      Microgrid Integrated Control System
      Provide the stability control and economic operation for island microgrid involved in wind

  • Project Construction
    • EPC services

  • Operation & Maintenance
    • Whole life cycle O&M

    • System optimization

Goldwind’s smart microgrid solutions
application areas

  • Islands/remote regions:

    Islands, border forces, sea water desalination plants, mining and oil fields

  • Industrial parks:

    Energy-intensive factories, sewage treatment plants, big data centers

  • Utilities:

    Airports, schools, railway stations, hotels, hospitals, tourism parks, etc

References

  • Goldwind Jiaozhou  Wastewater Treatment  plant Microgrid Project

    Strategic significance of the project:

    First MW-level smart microgrid project for water treatment applications

     

    Essential components:

    • 1.22MW PV module

    • 2.0MW Wind turbine

    • Lead-carbon battery storage system

     

    Project core advantages:

    • Customized based on customer's needs for reactive power and voltage control requirements.

     

    Project economy:

    • Annual energy yield: 5.12 million MWh

    • Renewable energy percent: 31%

    • Wind generator standard operating hours: 1985h

    • PV generator standard operating hours: 1407h

    • CO2 emission reduction is about 4360.9 tons/year

     

    Completion time:

    Dec 2016

  • Ningxia Jiaze Smart Microgrid Project

    Strategic significance of the project:

    First commercial MW-level multi-energy microgrid project with dual operation modes capability; The project employed the devices: “microgrid transient stability control system” and “microturbine and energy storage combined control system for island operation,” which have been technically tested and certified by the 2015 Zhongguancun National Independent Innovation Demonstration; First microgrid demonstration project in Ningxia.

     

    Essential components:

    • 2.0MW Wind turbine

    • 375kW PV module

    • VRB: 125kW×5h

    • 65kW Micro turbine

    • 2 sets of charging piles

    • Transient and dynamic stability control system

    • Energy Management System

    • Distribute generators and Load sides Monitor System

     

    Project core advantages:

    • Customized based on customer's needs for reactive power and voltage control requirements.

     

    Project economy:

    • Optimized energy supply and demand, reduced cost of power consumption;

    • Promotes deployment of new energy and environmental protection;

    • Deployment of energy efficiency management platform;

    • Effectively control carbon emissions;

    • Initial investment of 30.97 million RMB;

    • Annual internal rate of return: 6.11%.

     

    Completion time:

    Feb 2016

  • Goldwind Dafeng microgrid project

    Strategic significance of the project:

    China's first MW-level wind/PV solar/energy storage joint operated commercial microgrid project

     

    Essential components:

    • 2.0MW wind turbine

    • 100kW wind turbine and 96kW PV module

    • 540kWh lead-carbon storage system

     

    Project core advantages:

    • Based on MW-level wind, PV and energy storage

    • Customized based on customer's needs for reactive power and voltage control requirements.

     

    Project economy:

    • New energy power generation accounts for 37% of the total electricity consumption in the park

    • Project investment return reaches around 9.5%

    • CO2 emission reduction is about 3744 tons/year

     

    Completion time:

    Mar 2015

  • Goldwind Beijing Smart Microgrid Project

    Strategic significance of the project:

    China's first MW-level industrial microgrid project; First grid connect microgrid demonstration project in Beijing

     

    Essential components:

    • 2.5MW Wind turbine

    • 500kWp PV (490kW Poly module, 5kW Mono module、5kW Cadmium telluride)

    • 65kW*2 Micro turbine + 300*2: diesel generator

    • VRB: 200kW*4h

    • Li-Ion battery: 125kW*2h

    • Supercapacitor: 200kW*10s

     

    Project core advantages:

    • Customized based on customer's needs for reactive power and voltage control requirements.

     

    Project economy:

    • Annual energy yield: 3.92 million MWh

    • Renewable energy percent: 32%

    • Energy saving rate: 14.3%

    • Lighting system consumption saving accounts for 5.8% of total consumption

    • Air-conditioner system saving accounts for 8.5% of total consumption

     

    Completion time:

    Apr 2012