Does the controller support 24-hour operation?

Yes, the controller is designed to work continuously for 24 hours.

What safety features does the controller have?

It includes a double protection system (PWM + dump load), surge protector, emergency stop switch, manual brake switch, grid cut-off protection, and strong wind protection.

How can I contact support?

Any questions can be directed to us directly; we provide lifelong technical support.

2kw 3kw 5kw PWM on-Grid Controller for Wind Turbine with Dump Load

Name: 2kw 3kw 5kw PWM on-Grid Controller for Wind Turbine with Dump Load
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 783667332

Shandong, ChinaQingdao Greef New Energy Equipment Co., Ltd.

US$500.00-18,000.00

1 set

Sample price:US$1000.00/set.Request sample

Product profile

Customization

Available

Warranty

1 Years for Free

Function

Rectifier, Control, DC Output

Model NO.

Controller

Color

Grey

Type

Wind Controller, Wind Turbine Controller

Work Time

24 Hours

Display

LCD Screen

Transport Package

Carton / Playwooden Case

Trademark

GREEF

Origin

China

HS Code

90328990

Production Capacity

400 Sets Per Month

Key features

Dual Protection System: Features PWM control combined with a three-phase dump load brake for enhanced safety.

Comprehensive Safety Features: Includes surge protector, emergency stop switch, grid cut-off, and strong wind protection.

LCD Screen Display: Equipped with an LCD screen for clear monitoring of system status and parameters.

Remote Monitoring Capability: Optional RS 485, WIFI, and GPRS support for real-time monitoring via mobile app.

1-Year Free Warranty: Provides 1 year of free warranty coverage starting from the date of shipment.

Lifetime Technical Support: Offers lifelong technical assistance and part cost supply for all customers.

Free Maintenance Services: All maintenance costs during the warranty period are covered by the company.

24-Hour Continuous Operation: Designed to work continuously for 24 hours without interruption.

Company profile

Qingdao Greef New Energy Equipment Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤7.24hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryQingdao Greef New Energy Equipment Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering wind turbines, permanent magnet generators, hybrid systems, and related equipment. Its stated capabilities include generator coverage from 500W to 5MW, two production lines, annual output of 1,000 wind turbine/permanent magnet generator sets, and 6–10 R&D engineers and quality-control staff. The company reports QHSE, ISO 9001, and HSE management certifications, CE-certified exports, warranty periods of 3–5 years, and after-sales service as part of its end-to-end offering. Evidence also supports customization through design, prototyping, production, and quality-control services. However, the provided information does not sufficiently establish financial credibility or a broad customer track record; only one buyer and one trade transaction are listed.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated product portfolio includes wind turbine systems, permanent magnet generators, controllers, inverters, solar systems, and batteries, supporting a combined manufacturing and trading role.

CertificationsThe supplier states that its management systems include QHSE, ISO 9001, and HSE. It also states that products exported to Europe, South America, and North America carry CE certification, indicating documented management-system and product-certification claims.

After-Sales capabilityThe company describes end-to-end services including after-sales service and states that exported products have 3–5 year warranty periods. It also claims rapid response and guaranteed quality and on-time delivery through Alibaba Trade Assurance, providing explicit support for post-sale capability.

R&D capabilityThe supplier states that its permanent magnet generators range from 500W to 5MW and offers multiple renewable-energy technologies, including vertical- and horizontal-axis wind turbines, hybrid systems, and disc coreless generators. Its stated engineering and renewable-energy innovation activities support innovation capability, although no independently verified R&D results are provided.

Production capacityThe supplier reports two production lines and annual output of 1,000 wind turbine/permanent magnet generator sets. It also states generator coverage from 500W to 5MW and has 6–10 quality-control staff, providing explicit evidence of established production capacity.

Customization capabilityThe company explicitly claims customized end-to-end solutions covering design planning, schematic development, 3D renderings, physical prototyping, volume production, quality control, and after-sales service. This directly supports customization capability across product-development and delivery stages.

Product Q&A

Q:What is the warranty period?

The warranty period is 1 year for free, starting from the date of shipment shown on the bill of lading or air waybill.

Q:What is covered under the warranty?

During the warranty period, the company covers all maintenance costs, including labor and materials for quality problems. Freight is also borne by the company.

Q:What happens if damage occurs outside the warranty period?

If damage occurs outside the warranty period or is due to man-made causes, the company will charge fees for labor costs and materials.

Q:Who pays for freight during the warranty period?

For quality problems caused by the company during the warranty period, the freight is borne by the company. Otherwise, the customer pays.

Q:Is remote monitoring available?

Yes, RS 485, WIFI, and GPRS monitoring apps are available as optional features.