Solar Inverters Sunteams 1500 to 3000 US ETL from China
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- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
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Description:
The Sunteams (US) 1500 ~5000 series isapplicable to various rooftops and small scale photovoltaic grid connected power plants. Their nominal output powers are 1.5 kW, 2 kW, 2.5 kW, 3 kW, 4 kW and 5kW respectively with Certificate ETL (220V/60HZ).
This series is transformerless and has a wide range of MPPT input voltage. Itsmaximum conversion efficiency and MPPT tracking accuracy reach 97.6 % and 99.5% respectively. The maximum DC voltage reaches 550 V. Its multilingualLCD display facilitates easy operation. It has waterproof direct plug-interminals. It has overvoltage, islanding, short-circuit, overloading andoverheating protection functions. Its IP65 protection degree will ensure itruns well in various tough environments.
These units are available with or without wirebox.
FAQ:Pls introduce more about CNBM?
CNBM is a China state owned company ,one of Global Fortune 500 .
- 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: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:The function of photovoltaic grid - connected inverter
- After some additional voltage buffering, the left side of the bridge is usually 18 ~ 20khz switching frequency, the dc voltage is converted to ac voltage.
- Q:Is the grid side of the grid and the inverter?
- The grid load side of the grid is the grid. The inverter is an important part of the PV grid-connected system and can not be regarded as an external load. Photovoltaic power generation system is included in both grid and off-grid.
- Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
- supply through the cable to the battery. The use of household appliances connected to the power converter output can be used in the car a variety of electrical appliances. The available electrical appliances are: mobile phones, laptops, digital cameras, cameras, lights, electric razors, CD players, game consoles, handheld computers, power tools, car refrigerators and various tourism, camping, medical emergency appliances Wait.
- 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:What is the PV inverter starting voltage
- sine wave becomes narrower and the voltage width in the center of the sine wave is widened and the switching element is always operated in a direction at a certain frequency in a half cycle, A pulse wave train (pseudo sine wave). Then let the pulse wave form a sine wave through a simple filter
- Q:What is the difference between low voltage grid connection and medium voltage grid connection?
- For photovoltaic power plants when the power system accidents or disturbances caused by photovoltaic power plant grid voltage drop, in a certain voltage drop range and time interval, the photovoltaic power plant can ensure that non-off-line continuous operation.
- Q:Generally a large grid-connected photovoltaic power plant will have several inverters
- The use of a high-power grid-connected inverter into the grid, the need for line design is relatively simple, because the DC and AC lines are separated, the use of convergence box to summarize, DC bus and then into the grid inverter
- Q:PV grid-connected inverter can directly load it?
- Converter is the AC voltage of the grid into a stable 12V DC output, and the inverter is the AC output of the 12V DC voltage into high-frequency high-voltage alternating current; two parts are also used with more pulse width
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