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    Solar PV inverter

    Brand: RENDA
    Model: RD500
    Updated: 2015-10-29
    • Product description
    • Scope of application
    • Product features
    • Technical parameters

    Photovoltaic inverter is an inverter used in solar photovoltaic power generation system and is an important component of photovoltaic system.

    Photovoltaic inverters are mainly used in the field of photovoltaic power generation.

    product features

    ● The controller module is controlled by M P P T and the maximum conversion efficiency is as high as 9 7 %.

    ●modular design, Strong compatibility and easy maintenance

    ● adopt digital control strategy , the whole machine control is flexible and accurate

    ● Perfect protection and alarm functions , which makes the system have high reliability

    ●The output adopts power frequency transformer isolated output , high security, high reliability

    ●Intelligent artificial interface , which can visually display various parameter information of the product

    ●Rich menus, Easy to upgrade and expand.

    automatic operation and shutdown function

    after sunrise in the morning, the solar radiation intensity gradually increases, and the output of the solar cell also increases, and when the output power required for the inverter to work is reached, the inverter automatically starts to operate. After entering operation, the inverter will monitor the output of the solar cell module at all times, as long as the output power of the solar cell module is greater than the output power required for the inverter to work, the inverter will continue to run until sunset shutdown, even on rainy days the inverter can operate. When the output of the solar cell module becomes smaller and the output of the inverter approaches 0, the inverter forms a standby state.

    maximum power tracking control function

    the output of the solar cell module varies with the intensity of solar radiation and the temperature of the solar cell module itself (chip temperature). In addition, since solar cell modules have the characteristic that the voltage decreases with the increase of current, there is an optimal operating point to obtain the maximum power. The intensity of solar radiation varies, and obviously the optimal operating point is also changing. Relative to these changes, the operating point of the solar cell module is always at the maximum power point, and the system always obtains the maximum power output from the solar cell module, this control is the maximum power tracking control. The biggest feature of inverters for solar power generation systems is that they include the function of maximum power point tracking (M P P T ).

    solar PV inverter (technical  parameters )

     Model No.

    RD500

    RD1000

    RD1500

    Rated capacity

    500W

    1000W

    1500W

    Inverter mode

    PV input voltage range

    33-60Vdc

    Rated battery voltage

    24Vdc

    Battery float voltage

    27.2Vdc

    Rated output voltage (V)

    220Vac

    Rated output frequency (Hz)

    50Hz±1Hz

    Output voltage range

    ±2%Vrms

    Output current

    2.27A

    4.54A

    6.8A

    Output voltage waveform distortion

    Less than or equal to 2%

    Efficiency

    More than 80%

    Controller efficiency

    Greater than 955

    Quiescent current

    Less than or equal to 3% Irms

    The peak factor

    3

    Overload protection

    When 125% overload, the output is disconnected after 60 seconds; When 150% overloaded, disconnect the output after 10 seconds

    Switching time

    Less than 3ms

    Mains mode

    Mains input voltage range

    220V±10%Vac

    Mains input frequency

    50Hz±1Hz

    System parameters

    Display mode

    LCD+LED

    Display content

    Electrical measurement, battery capacity, input voltage, output voltage, load, temperature

    Communication

    RS232+RS485 (communication function optional)

    Cooling method

    Intelligent air-cooled

    Protection function

    High voltage, undervoltage, overfrequency, underfrequency, short circuit, overcharge,

    overdischarge, overtemperature, overload protection

    Isolation method

    Power frequency transformer

    Ambient temperature

    -10℃-50℃

    Ambient humidity

    Less than or equal to 93% (non-condensing)

    Noise

    Less than 60dB

    Altitude Less than or equal to 1000m

    , greater than 1000m to reduce the capacity of

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