What types of brakes are supported?

It supports mechanical yawing, tail control, furled empennage, and electromagnetic or hydraulic brakes.

How long can data be saved during a power failure?

The main board has a button battery that saves history data for up to 30 days.

What communication interfaces are available?

Optional interfaces include RS485, USB, GPRS, WIFI, and Ethernet.

10kw 20kw 30kw PWM Controller with Dump Load

Name: 10kw 20kw 30kw PWM Controller with Dump Load
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 783423712

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

US$500.00-18,000.00

1 set

Sample price:US$5000.00/set.Request sample

Product profile

Customization

Available

Condition

New

Certification

Model NO.

GLF-GT

Application

Charger Controller, Wind Controller, Voltage Controller

Rated Voltage

AC to DC

Function

Rectifier, Control, DC Output

Color

Grey

Type

Wind Controller, Wind Turbine Controller

Work Time

24 Hours

Warranty

1 Years for Free

Display

LCD Screen

Transport Package

Carton / Playwooden Case

Trademark

GREEF

Origin

China

HS Code

90328990

Production Capacity

400 Sets Per Month

Key features

Real-time Monitoring Display: Large LCD screen shows voltage, current, power for wind, solar, and DC output.

Data Backup Capability: Built-in button battery saves history data for 30 days during power failure.

Comprehensive Brake Options: Supports mechanical, hydraulic, and electromagnetic braking functions.

Remote Monitoring Support: WIFI and GPRS enable real-time monitoring via PC and mobile devices.

Emergency Stop Function: Instant braking triggered by emergency stop switch for safety.

Manual Dump Load Control: Manual three-phase dump load switch allows direct braking control.

Wide Power Range: Available in 1.5KW to 30KW models with corresponding voltage options.

Robust Protection System: Includes over-voltage, grid cut-off, and arrester protection functions.

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: ≤7.07hTerms 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.