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250kVA 800kVA AC DC Converter Shore Power Supply for Ship Power Test
US$99,800.00
1,880 Pieces
Product profile
Customization
AvailableApplication
High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer, Frequency Voltage TestOutput Type
TripleModel NO.
AFVRPrinciple of Work
Slip Frequency Control TransducerSwitch Mode
High Carrier Frequency PWM ControlMain Circuit Type
VoltageVoltage of Power Supply
High Voltage Variable-Frequency DriveLink of Transformation
AC-DC-AC Variable-Frequency DriveNature of DC Power
Voltage Variable-Frequency DriveFunction
Constant Torque Universal Type, TestBrand
GreefOutput Voltage Shape
SinusoidalTransport Package
Plywooden CaseSpecification
DependTrademark
GREEFOrigin
ChinaHS Code
85044099Production Capacity
400 Sets/MonthKey features
Pure Sine Wave Output: Provides extremely stable and pure sine wave AC power to solve frequency drift and waveform distortion.
Wide Voltage & Frequency Input: Accepts input voltage from 265V-495V and frequency from 30-100Hz for unstable power conditions.
Customized Output Voltage: Output voltage is fully customizable to meet specific application requirements.
Advanced SPWM Technology: Utilizes SPWM IGBT high-frequency inverter for efficient and reliable power conversion.
Remote Monitoring Capability: Supports remote monitoring via RS485, WIFI, or GPRS with PC and mobile app integration.
Comprehensive Protection: Includes protection against over-voltage, over-current, over-temperature, overload, and short circuits.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤7.27hTerms 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:Is the output voltage customizable?
A:
Yes, the output voltage is fully customizable to meet specific needs.
Q:Does it support remote monitoring?
A:
Yes, it supports remote monitoring via RS485, WIFI, or GPRS with data viewing on PC and mobile apps.
Q:What are the protection functions?
A:
It protects against over-voltage, over-current, over-temperature, overload, and short circuits with automatic alarms.
Send Inquiry
*To:
Qingdao Greef New Energy Equipment Co., Ltd.
Qingdao Greef New Energy Equipment Co., Ltd.*Content:
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