Re: how we can calculate transformer capacity in kva? 10/06/20087:52 AM In my earlier discussion I did not get into all the multiplication by the square root of three math, as I figured the Guest is referring to a single-phase transformer. At least for those of us in areas more repr...
Our LED display is used by transformer switching power supply and is an inductive load. The power factor of its switching power supply load is cosф = 0.75. Different inductive load power factor is different, we can calculate the power factor cosφ of 0.8 when calculating the LED display pow...
Standard practice is that the diversity factor of mixed light and power feeders is considered to be 1.5 to 2 (or even more per the designer's detailed assessment). For a power transformer, condition for maximum efficacy is about 80% of its rating accordingly the average working load except f...
It’s quite simple.By installing capacitors or capacitor banks.Improving the power factor of an electrical installation consists of giving it the means to “produce” a certain proportion of the reactive energy it consumes itself. How capacitors improve the power factor and how to calculate them?
I have a table with sales data, and I want to calculate the total sales for each product category. Can you help me with the M query for that?ChatGPT: Of course! To calculate the total sales for each product category, you can use the Group By transformation in Power BI’s Power ...
In summary, The conversation is about the technical details of a toroidal core OD-10cm, ID-6cm, height-5cm and weight of 1.845 kg (M4 grade CRGO). The person wants to make a toroidal transformer using this core and is asking for help in calculating the core area and maximum VA ...
At this point in the measurement system, waveform data from the modules is used to calculate any power quality parameter desired. Some of these calculations are fairly simple while others are complex calculations aggregated over several cycles, seconds, or minutes to determine the ultimate quality. ...
A DC motor consumes 36 MJ of energy when connected to 230 V FOR 2.5 hours. a. Calculate how many kWh is the amount of energy mentioned above. b. The power taken by the motor from the mains. c. The current taken by the motor from the mains. ...
Coulomb's law made it possible to calculate the electrostatic force between any two charged objects, but it didn't reveal the fundamental nature of those charges. What was the source of the positive and negative charges? As we'll see in the next section, scientists were able to answer tha...
Once you apply solder, the chip routes lots of power through the portion of the circuit that includes the tip. The electricity moves: From the circuit board to one half of the tip Through that half of the tip Through the solder Through the other half of the tip Back to the circuit ...