Application / Islands & microgrids
Wind Power for Islands & Isolated Communities
On an isolated network, generation and demand must work together without relying on a large utility grid. Wind can be assessed as one energy source within that network, with its role defined alongside existing generation, controls and local operating needs.
Применение
An energy source is one part of a microgrid.
A community may have enough generation capacity on paper while still facing difficult operating conditions. Low demand, changing wind, motor starts and unavailable equipment each create a different challenge. The useful starting point is an electrical diagram and operating plan showing which equipment establishes the network, which follows it, and how supply is maintained when wind is unavailable.
Community services
Public buildings and essential services with documented daily and seasonal electricity demand.
Isolated facilities
Facilities supplied by a local network whose existing generation and operating limits are known.
Microgrid extensions
Projects evaluating an additional wind source within an established control and protection arrangement.
Инженерные вопросы
Define the network before adding generation.
The wind subsystem must have a clear electrical role in every intended operating mode.
01 / Network formation
Identify what establishes voltage and frequency.
An isolated AC network needs equipment that establishes its voltage and frequency. That function may belong to a generator or suitably configured grid-forming equipment. A converter intended to follow an existing grid should not be assumed to establish a stable network on its own.
Record the operating modes: normal service, low generation, equipment outage and restart. Identify the responsible equipment and control authority for each. MARSTON wind equipment must be assessed against those requirements; island operation is not established by a wind turbine rating alone.
Key project document
A single-line diagram showing the network reference and the role of every generation source.
02 / Energy balance
Plan for low wind and low demand.
Wind availability and community demand both vary. Compare their time profiles, including seasonal occupancy, water services and other scheduled loads. A daily energy total is a starting point, but it does not show whether supply and demand coincide.
Define how the system supplies essential loads during calm periods and how it handles generation that cannot be used. Storage, backup generation, load scheduling or generation control may form part of the design. Their equipment limits and interfaces require a coordinated project assessment.
Two operating questions
What supplies the load when wind is low, and what happens when demand is low?
03 / Coastal conditions
Specify the environment and the service route.
An island location can bring exposure and logistics that differ from an inland site. Describe salt exposure, moisture, temperature range, storms and the proposed installation position. These are equipment-selection inputs, not proof that a standard configuration is suitable for every coastal environment.
Plan delivery, lifting, foundations and maintenance access around local capabilities. Electrical enclosures, coatings and environmental limits need confirmation for the supplied configuration. No marine corrosion class or salt-spray certification is implied by this application guide.
Keep the scope explicit
Environmental requirements, equipment documentation and local maintenance responsibilities belong in the quotation brief.
Потребность нагрузки / Расчётный пример
Illustrative load calculation
Assume an 8 kW combined electrical load operating for 10 hours.
8 kW × 10 h
80 kWh of load demand
This example describes the load during that operating period, before system losses. It is not predicted wind generation, a battery capacity recommendation or an actual community project.
Evaluate the complete operating arrangement.
Более прочная отправная точка
A network with documented demand, a defined voltage and frequency reference, usable wind evidence and a responsible integration and maintenance team.
Сначала уточните эти ограничения
A project that expects wind equipment alone to establish an unassessed network, or assumes storage compatibility and coastal suitability without configuration-specific information.
Оборудование
Пять моделей. Определённый состав оборудования.
Ветроустановки MARSTON с электрическим поворотом гондолы охватывают диапазон 5–50 kW, имеют стеклопластиковые лопасти и активную ориентацию ротора. Состав контроллеров и преобразователей определяется для предлагаемой электрической системы. Указаны номинальные мощности и диаметры роторов; вклад энергии зависит от ветровых ресурсов площадки и выбранной конфигурации.
| Модель ветроустановки | Номинальная мощность | Диаметр ротора |
|---|---|---|
| FD5-5KW | 5 kW | 5 m |
| FD7.5-10KW | 10 kW | 7.5 m |
| FD10-20KW | 20 kW | 10 m |
| FD12-30KW | 30 kW | 12 m |
| FD14-50KW | 50 kW | 14 m |
Исходные данные проекта
Подготовьте полезное инженерное задание.
Эти сведения помогают определить конфигурацию оборудования, интерфейсы и ответственность в проекте.
Network diagram
Voltages, frequency, phase arrangement, generation sources and the proposed connection point.
Operating profile
Demand records, seasonal changes, critical services and existing generation schedules.
Controls and interfaces
Network-forming equipment, proposed operating modes and the party responsible for integration.
Environment and logistics
Exposure conditions, delivery constraints, tower location, lifting capability and service arrangements.
Вопросы перед заданием спецификации.
Does adding a wind turbine create a microgrid?
No. A microgrid also needs a defined electrical network, operating controls, protection and a way to balance supply and demand.
Can a standard grid-connected converter operate independently?
That capability must be confirmed. Grid-following operation and establishing an isolated network are different functions.
Can third-party batteries be included in the project?
They may be assessed as part of the wider system. MARSTON has no proprietary storage product, and compatibility is not assumed.
Does this page confirm marine or coastal certification?
No. Provide the environmental specification so the applicable equipment limits and supporting documents can be evaluated.
Изучите варианты системы.
Обсудить проект
Bring the network into the discussion.
Share the electrical diagram, demand profile, generation equipment and island site conditions to define the wind subsystem enquiry.