Powered by Made-in-China.com

Spwm IGBT High-Frequency Inverter AC-DC-AC Frequency & Voltage Regulator
US$1,100.00-290,490.00
1 Piece
Product profile
Customization
AvailableApplication
PowerPhase
ThreeCore
Core-type TransformerCooling Method
Dry-type TransformerCertification
CEUsage
Single-phase Transformer, Combined Transformer, Power TransformerFrequency Characteristics
High FrequencyCircuit Mode
IGBT/Spwm Pulse Width Adjustment ModePower Capacity(Va)
5kVA-4000kVAAC Input Frequency
30-100HzAC Output Frequency
50Hz/60Hz AdjustableCooling Model
Compulsive Fan CoolingRelative Humidity
0-90%(No Condensing)Altitude
1500metersTransport Package
PackingOrigin
ChinaHS Code
85023100Production Capacity
400 Set/Sets Per MonthKey features
SPWM IGBT Technology: Uses SPWM IGBT high-frequency inverter for AC-DC-AC conversion and pure sine wave output.
Stable Power Supply: Solves frequency drift, waveform distortion, surge, and voltage drop for sensitive equipment.
Wide Input Range: Accepts AC input voltage of 265V-495V and frequency of 30-100Hz.
Customizable Output: Output voltage and frequency can be customized to meet specific application needs.
Smart Monitoring: Features PLC touch screen display and remote monitoring via RS485, WIFI, or GPRS.
Comprehensive Protection: Protects 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: ≤7.59hTerms 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 power problems does this regulator solve?
A:
It solves frequency drift, waveform distortion, surge, sinking, transient overvoltage, voltage drop, and noise interference, providing a stable pure sine wave AC power.
Q:Can the output voltage and frequency be customized?
A:
Yes, the output voltage and frequency are customizable. Standard outputs include 110/120/220V or 380V/400V/440V with 50Hz/60Hz adjustable frequency.
Q:What protection functions are included?
A:
It includes protection against over-voltage, over-current, over-temperature, overload, and short circuit, with automatic alarms.
Send Inquiry
*To:
Qingdao Greef New Energy Equipment Co., Ltd.
Qingdao Greef New Energy Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Power AC Voltage Regulators Transformer Manual Adjustable Variable Autocoupling
US$100.00
1 sets(MOQ)
33kv High Voltage Booster Three Phase Step Voltage Regulator
US$3,000.00-20,000.00
1 Piece(MOQ)
Frequency & Voltage Regulator Isolated Stable AC Power Supply AC-DC-AC
US$1,100.00-290,490.00
1 Piece(MOQ)
Output Voltage& Frequency Customized AC-DC-AC Frequency & Voltage Regulator
US$1,100.00-290,490.00
1 Piece(MOQ)
SVR Intelligent Voltage Regulator for High Voltage Distribution Networks
US$1,896.00-1,987.00
1 Piece(MOQ)
High-Performance Step-Down Voltage Regulator for Efficient Power Management
US$28,000.00
1 Set(MOQ)
Single Phase AC Automatic Voltage Regulator for Distribution Network Voltage Control Applications
US$88,888.00-800,000.00
1 Set(MOQ)
11kv Three Phase AC Voltage Regulator Oil Immersed Automatic Voltage Regulator
US$500.00-10,000.00
1 Piece(MOQ)
High Precision PLC Touch Screen Display Frequency and Voltage Regulator
US$1,100.00-290,490.00
1 Piece(MOQ)
SVC 10000va AC Automatic Voltage Regulator
US$28,000.00
1 Set(MOQ)
Wide Range of Voltage &Frequency Input Frequency & Voltage Regulator
US$1,100.00-290,490.00
1 Piece(MOQ)
33kv Single Phase AC Voltage Regulator Oil Immersed Step Voltage Regulator
US$500.00-10,000.00
1 Piece(MOQ)
High-Efficiency Compact Three Phase Voltage Regulator for Power Distribution
US$1,888.00-28,888.00
1 Set(MOQ)
AC Single Phase Adjustable Variable Transformer Voltage Regulator Autocoupling
US$100.00
1 sets(MOQ)
High-Efficiency Step Down Voltage Regulator for Electrical Applications
US$500.00-2,000.00
1 Piece(MOQ)
Power Frequency 11 Kv Single Phase Automatic Voltage Regulator
US$12,000.00
1 Piece(MOQ)
Automatic Single Phase Voltage Regulator with High Precision Voltage Control for Power Applications
US$88,888.00-800,000.00
1 Set(MOQ)
High Precision Single Phase AVR Voltage Regulator
US$88,888.00-800,000.00
1 Set(MOQ)
13.8kv Voltage Regulator Electric High Voltage Booster
US$28,000.00
1 Set(MOQ)



















