On Grid Solar Inverter GS4000-SS

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Product Description:

GW4000-SS

 

GW4000-SS photovoltaic inverter is suitable for home rooftop photovoltaic system, designed under modern industrial concept. There are three colors for option with fashionable appearance. According to the test results of PHOTON laboratory, the medium irradiation efficiency is 96.9% and high irradiation efficiency is 97.1%. It has obtained Double A Certificates. It holds a safe lead among the same level of products in the world.

Input DataMax.PV-generator power[W]4600
Max.DC voltage[V]580
MPPT voltage range[V]125~550
Turn on DC voltage[V]125

Max.DC work current[A]

20
Number of inputs/MPP trackers3/1
DC connectionMC IV Connector
Self-energy consumption[W]<5< td="">
AC Output DataNominal AC power[W]4000
Max.AC power[W]4400
Max.output current[A]22
Nominal output voltage rangeAccording to VDE 0126-1-1/AI, RD1663, ENEL, G83,G59,SAA
AC grid frequencyAccording to VDE 0126-1-1/AI, RD1663, ENEL, G83,G59,SAA
THDi〈1%
Power factor~1 (Norminal power)
AC connectionSingle phase
EfficiencyMax.efficiency97.8%
European efficiency97.4%
MPPT adaptation efficiency>99.5%
Safty EquipmentLeakage current monitoringIntegrated
DC switch disconnectorOptional
Islanding protectionAFD
Grid monitoring

According to VDE 0126-1-1/AI,AS4777.1/2/3, RD1663,

ENEL ,G83,G59-2

Normative ReferenceEMC complianceEN 61000-6-1,EN 61000-6-2, EN 61000-6-3,EN 61000-6-4
Safety complianceAccording to IEC 62109-1,AS3100
General DataDimensions(W*H*D) [mm]390*417*142
Net weight [kg]18
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
CoolingNature convection
Noise level[dB]〈25
Display4" LCD
CommunicationUSB2.0;RS485(Wireless/Bluetooth optional)
Standard warranty[years]5/10(optional)

 

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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: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: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:Is the PV inverter a current source or a voltage source?
For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
Which depends on the grid inverter in the absence of the grid there is no independent operation of the function of the general grid inverter is the current type, only responsible for the power to the grid, the voltage is maintained by the grid,
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: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
Part of the distributed grid-connected projects, the basic are "spontaneous use, the power of the Internet," these do not need to boost, because the extra power is actually consumed by the surrounding electricity users, do not boost to a Level power grid;
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Inverter, a single failure, does not affect other operations, the impact on the grid is small, high reliability.

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