Grid Tied Solar Inverter 3-Phase CNBM-20000UE

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Features of Grid Tied Solar Inverter 3-Phase CNBM-20000UE

CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.

With a R&D team more than 100 engineers,40% of the staff, who has been deeply engaged in the photovoltaic industry for 10 years, CNBM takes the mission to increase the inverter availability and efficiency, putting continuous innovation to make CNBM inverter easier for installation and operation, and more cost-effective for solar plant construction. The full range of CNBM single phase inverters has received VDE, CE, G83/1, G59/2, ENEL2010, VDE4105, C10/C11, AS4777 etc.

Maximum efficiency of 97.8% and wide input voltage range, Internal DCswitch,MTL-String, Sound control,Bluetooth/RF technology /WiFiTransformerless,GT topology

The Grid Connected Solar Inverter we can offer is 1.5kw to 20kw.

Introduction of Grid Tied Solar Inverter 3-Phase CNBM-20000UE

Maximum efficiency of 97.8% and wide input voltage range
Integrated DC switch-disconnected
MTL-String
Sound control
Bluetooth/RF technology /Wi-Fi
Transformerless GT topology
5 years warranty (10 years as optional)

Technical data of Grid Tied Solar Inverter 3-Phase CNBM-20000UE

Model

CNBM-18000UE

CNBM-20000UE

Input data (DC)

 

 

Max. DC power

18700W

20800W

Max. DC voltage

1000V

1000V

Start voltage

350V

350V

PV voltage range

180V-1000V

180V-1000V

Max. input current

23A

26A

Number of MPP trackers /strings per MPP tracker

2/3

2/3

Output (AC)

 

Rated AC output power

18000W

20000W

Max. AC power

18000VA

20000VA

Max. output current

28.6A

32A

Power factor

1

1

THDI

<3%

<3%

AC connection

Three phase

Three phase

Efficiency

 

Max. efficiency

98%

98%

Euro weighted efficiency

97.5%

97.5%

MPPT efficiency

99.5%

99.5%

Protection devices

 

Output over voltage protection-varistor

yes

yes

Ground fault monitoring

yes

yes

Grid monitoring

yes

yes

General Data

 

Dimensions (W / H / D) in mm

740/440/235

740/440/235

Weight

60KG

60KG

Operating temperature range

–25°C ... +60°C

–25°C ... +60°C

Altitude

2000m(6560ft) without derating

Self-Consumption night

< 0.5 W

< 0.5 W

Topology

Transformerless

Cooling concept

Natural

Natural

Environmental Protection Rating

IP65

IP65

Features

 

DC connection

H4/MC4(opt)

H4/MC4(opt)

Display

LCD

LCD

Interfaces: RS485/RS232/Bluetooth / RF/Zigbee/Wifi

yes/yes/opt/opt/opt

Warranty: 5 years / 10 years

yes /opt

Certificates and approvals

CEVDE 0126-1-1DK5940G83/1-1G59/2RD1663EN50438

VDE-AR-N4105CEI-021IEC-62109ENEL-Guide

Grid Tied Solar Inverter 3-Phase CNBM-20000UE is simple national setting of line supply monitoring, Easy country configuration, with Multi-language,display, currently available for most of the countries over the world.With technical creativity and scientific management, the factory established first class R&D and test centers, as well as management and R&D teams comprising of PhDs and masters with overseas qualification.

Figure 1 the application of Grid Tied Solar Inverter 3-Phase CNBM-20000UE

 Grid Tied Solar Inverter 3-Phase CNBM-2000UE

Figure 2 The Stock of Grid Tied Solar Inverter 3-Phase CNBM-20000UE

 

 Grid Tied Solar Inverter 3-Phase CNBM-2000UE

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Q:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Connected to the grid is connected to which specific location ah? Transformer is to buy a separate, or buy inverter inside the type of transformer? For example, Sweden's 15KW and 30KW grid roof projects, the roof, for example, more remote to be transported to other electricity.
Q:Installation and maintenance of photovoltaic grid - connected inverter
photovoltaic systems Power generation system used in the cable must be connected firmly, good insulation and specifications appropriate.
Q:The working principle of photovoltaic grid - connected inverter
Full-bridge inverter circuit to overcome the shortcomings of the push-pull circuit, the power transistor to adjust the output pulse width, the output AC voltage RMS that changes. Since the circuit has a freewheeling circuit, even if the inductive load, the output voltage waveform will not be distorted. The disadvantage of this circuit is that the upper and lower arms of the power transistor are not common, so you must use a special drive circuit or use isolated power supply. In addition, in order to prevent the upper and lower arm co-conduction, must be designed to turn off after the conduction circuit, that must be set dead time, the circuit structure is more complex.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
due to the higher penetration rate of the car to go out to work or travel can be connected with the inverter battery drive electrical and various tools work. The car inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. And then a large number of power inverter power
Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
Q:PV grid-connected inverter can directly load it?
TL5001 operating voltage range of 3.6 ~ 40V, its internal with an error amplifier, a regulator, oscillator, a dead zone control PWM generator, low voltage protection circuit and short circuit protection circuit
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Offline generally need energy storage, not to send energy online. Power grid has no right to interfere.
Q:What is the PV inverter starting voltage
The inverter not only has the function of direct current conversion, but also has the function of maximizing the performance of the solar cell and the system fault protection function. (With grid system), automatic voltage adjustment function (for network connection), DC detection function (for network connection), DC grounding detection (for network connection), automatic power control function Function (for grid connection). Here is a brief introduction to automatic operation and shutdown function and maximum power tracking control function.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
The difference is that the current at low voltage and the grid is large, the current is small when the voltage is small, followed by the low voltage crossing parameter setting problem (such as PV inverter integrated with inverter and low voltage crossing function, not all photovoltaic inverter
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
, This method is simple to design, easy maintenance, but also for the power grid harmonics smaller, good power quality!

1. Manufacturer Overview

Location Hefei,China
Year Established 2004
Annual Output Value Above US$0.6 billion
Main Markets Australia;Italy;Germany;U.K. England;Franch;NewZealand;

Company Certifications Growatt5000;VDE0126;SAA;G83;TUV

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen
Export Percentage 0.4
No.of Employees in Trade Department 10 People
Language Spoken: English;Chinese;French;German
b)Factory Information  
Factory Size: Above 15,000 square meters
No. of Production Lines Above 5
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average