42-2 Calculation of inverter capacity
Author: Source: Datetime: 2016-12-21 09:59:28
PIN Inverter capacity
PLAmax Expected additional load maximum power capacity (maximum apparent power) kV•A;
RRUSH Impulse current rate
RIN Design surplus factor (also known as the safety factor, usually selected value is 1.5-2.0).
Inrush Current Rate The maximum inrush current to the load, such as the start-up motor, is calculated based on the maximum capacity of the motor starting at the start of a single click. In other words, if the stable current Ia at the maximum capacity, the constant motor current Ib at the maximum capacity, and the impulse flow rate Im at the maximum capacity motor
RRUSH = Ia - Ib + Im / Ia （3-15）
Hybrid operating system
Inverter to have the maximum power tracking control function, in order to as much as possible the solar panels issued by the power delivered to the system, on the one hand due to the inverter load rate and low efficiency, on the other hand Price increases with capacity. In view of these factors, it is desirable to avoid excessive capacity of the equipment. A little rough thinking will know that when the solar radiation intensity is close to the maximum, the solar cell temperature rises, the solar panel output decreases, the inverter efficiency also will decline, so the inverter capacity can be smaller than the solar panel capacity .
PIN = PASCA （3-16）
Where, CA is the attenuation coefficient of the solar panel capacity, usually to 0.8-0.9.
TAG: HV Roofs Soul Exide India Li-Ion kWh 36 Renault Christmas Home-Battery SunRun 3 Trucks Raw
BYD Las Vegas Solar Exhibition
September 10 to 13, the new energy leader BYD came to Las Vegas
Daimler Smart Car Battery Pack
According to media reports, October 23, Daimler announced that the use of Smart car battery pack to build the ene...
The Future Of Solar Energy
If the solar energy industry has undergone major changes in the past few years will be understatement. It has experi...