On Grid Solar Inverter GW17K-DT

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Product Description:

GW17K-DT

 

GW17K-DT photovoltaic inverter is suitable for commercial and industrial roofs as well as small and medium-sized photovoltaic power systems. The optimized inductor design ensures less noise and higher European efficiency. The reliable grid support capabilities, high waterproof and dustproof grade and extra-wide voltage access range of components not only can be used in commercial roof and commercial power station systems, but also is qualified for the design requirements of large-megawatt power station.

DC Input DataMax.PV-generator power[W]17500
Max.DC voltage[V]1000
MPPT voltage range[V]500~800
Turn on DC voltage[V]250

Max.DC work current[A]

22/22
Number of inputs/MPP trackers6/2
DC connectorSUNCLIX,MC IV (optional)
Standby power consumption [W]10
AC Output DataNominal AC power[W]17000
Max.AC power[W]17000
Max.output current[A]25
Nominal output voltage rangeVDE-AR-N4105,VDE0126-1-1/A1,RD1699,G59/2,AS4777.2/.3
AC grid frequencyVDE-AR-N4105,VDE0126-1-1/A1,RD1699,G59/2,AS4777.2/.3
THDi<1.5%< td="">
Power factor0.90 leading...0.90 lagging
AC connection3W/N/PE,230/400V
EfficiencyMax.efficiency98.2%
European efficiency97.5%
MPPT adaptation efficiency>99.5%
Safty EquipmentLeakage current monitoring unitIntegrated
DC switch disconnectorOptional
Islanding protectionAFD
Grid monitoringVDE-AR-N4105,VDE0126-1-1/A1,RD1699,G59/2,AS4777.2/.3
Normative ReferenceEMC complianceEN 61000-6-1 , EN61000-6-2, EN 61000-6-3, EN 61000-6-4
Safety complianceIEC 62109-1, AS3100
General DataDimensions(W*H*D) [mm]516*650*203
Net weight [kg]39
HousingFor outdoor and indoor
Mounting informationWall mounting
Operating temperature range-20~60℃(up 45℃ derating)
Relative humidity0 ~ 95%
Site altitude[m]2000
IP proection classIP65
TopologyTransformerless
CoolingFan Cooling
Noise level[dB]<45< td="">
Display5"LCD
CommunicationUSB2.0;RS485/Wi-Fi/ZigBee(optional)
Standard warranty[years]5/10/15/20/25(optional)

 

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Q:Installation and maintenance of photovoltaic grid - connected inverter
Before the installation should first check whether the inverter in the transport process for damage. When selecting the installation site, there should be no interference with any other power electronic equipment in the surrounding area.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.
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?
Grid-connected inverter is like a car file, he first detects the grid waveform, can not detect not boot, and then the PV DC modulation and consistent with the grid waveform, and then hang up.
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:After the PV inverter, how to achieve the same period before the network?
Grid simulator: analog power grid, normal and abnormal conditions, overvoltage, undervoltage, over frequency, under frequency, sudden power failure, etc.
Q:Is the PV inverter a current source or a voltage source?
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power.
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
Q:The function of photovoltaic grid - connected inverter
In general, single-phase h-bridge is a common configuration of dc / ac-level, but can also be used in three-phase and other configurations.
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!

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