High efficiency ON grid tie Micro-Inverter BDM-300*2

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Item specifice:

Output Power: 500 Inveter Efficiency: 95.5% Output Voltage(V): 240
Input Voltage(V): 60 Output Current(A): 2.2 Output Frequency: 60

Product Description:

 

To ensure the BDM-300X2 is not disconnected from the PV modules under load, adhere to the following disconnection steps in the order shown:

1. Disconnect the AC by opening the branch circuit breaker.

2. Disconnect the first AC connector in the branch circuit.

3. Cover the module with an opaque cover.

4. Using a DC current probe, verify there is no current flowing in the DC wires between the PV module and the BDM-300X2.

5. Care should be taken when measuring DC currents, most clamp-on meters must be zeroed first and tend to drift with time.

6. Disconnect the PV module DC wire connectors from the BDM-300X2.

7. Remove the BDM-300X2 from the PV array racking.

Installing a replacement BDM-300X2

1. Attach the replacement BDM-300X2 to the PV module racking using hardware recommended by your module racking vendor

 

2. Connect the AC cable of the replacement BDM-300X2 and the neighboring BDM-300X2 to complete the branch circuit connections.

3. Complete the connection map and connect the PV Modules.

1) Complete the connection map

2) Each BDM-300X2 has a removable serial number located on the mounting plate. Enter this serial number into a BDG-256, and correspond it to a number in the connection map.

3) Connect the PV Modules

4) Completely install all BDM-300X2 and all system inter-wiring connections prior to installing the PV modules.

a) Mount the PV modules above their corresponding BDM-300X2. Each BDM-300X2 comes with two oppositely sexed DC connectors.

b) First connect the positive DC wire from the PV module to the negatively marked DC connector (male pin) of the BDM-300X2. Then connect the negative DC wire from the PV module to the positively marked DC connector (female socket) of the BDM-300X2. Repeat for all remaining PV modules using one BDM-300X2 for each module.

High efficiency ON grid tie Micro-Inverter BDM-300*2

High efficiency ON grid tie Micro-Inverter BDM-300*2

High efficiency ON grid tie Micro-Inverter BDM-300*2


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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: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:PV grid-connected inverter and independent inverter in the control of what is the difference
The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
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:The function of photovoltaic grid - connected inverter
By dc / dc conversion to increase or decrease the input voltage, adjust its output to achieve maximum efficiency.
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: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!
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
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
Spontaneous use is a way of grid, that is issued to the electricity, mainly their own family or internal use, the excess part of the power to the grid
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Hybrid inverter is not a clear concept, but now both energy storage dual-grid inverter does have the ability to receive control system,

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